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Application Bucket Dredging PDS2000

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1. Figure 4 5 Drawing of the bucket chain with the origin 0 0 0 Due to the complicity of the drawing as displayed above it is advisable to use the DXF import option to create the vessel and bucket chain contours First select the view side that matches with the view side in the DXF file Select from the menu bar of the Vessel Contour editor the option Import gt From DXF to import a contour The origin and coordinates used in the DXF file should match with the coordinates and the origin of the vessel or the bucket chain If the user has no DXF data available the edit tools in the vessel contour editor have to be used The relevant options in the right top panel of the vessel contour editor are Name Point n Add the X and Y value for point n in the vessel coordinate system Type Point f the point n is not a Start of Line or a Start of Polygon Start of Line If point n is the first point of a line Until a new Start of Line or Start of Polygon is selected all points after this point will be part of the line Start of Polygon If point n is the first point of the polygon Until a new Start of Line or Start of Polygon is selected all points after this point will be part of the polygon The polygon will be solid The buttons and options on the right side in the editor are Add Add a new point to the contour The added point comes always at the end of the list Insert nsert a new point above the location of the cursor in
2. Find Symbol Search for a C Map object in the plan view Find C MAP Object Find in name Match whole name only buoy 23 Clipping polygon none for visible area only Figure 5 5 Find C Map object in the plan view If the C Map object is found an information window will be opened Draw Route Draw with the mouse a route in the plan view A right mouse click will stop the drawing of the route Draw Polygon Draw with the mouse a polygon in the plan view A right mouse click will close the polygon Draw Profile Draw with the mouse a route in the plan view A right mouse click will stop the drawing the route and a Profile Grid Model view will be opened with a profile over the drawn route Follow Vessel 9 If checked the vessel will be always in the center of the plan view in Follow Vessel mode If unchecked the vessel can be anywhere in the plan view even outside the plan view The type of Follow Vessel mode can be set in the Properties of the plan view see page 46 Orientation Mode The orientation mode of the plan view Three options are available North Up Heading Up and Fixed Skew With North Up the plan view is always north up and the vessel will rotate in the plan view With Heading Up the heading of the vessel is always up is pointing to the top of the view All the data will rotate accept the vessel With Fixed Skew the plan view has a fixed orientation The fixed skew valu
3. When one tide station is used select the mode Single Tide Station When more tide stations are used select the mode Multiple Tide Stations or when the tide stations are along a route the mode Tide Stations Along Route Tide Stations Select the tide station s that will be used for the tide computation 2 2 4 Data Source In the Data Source page the sea level data source will have two data groups when a depth sensor is used Data sources Data groups 14 Depth sensori l IHCS draught dps Sealevel c 2 Sealevel Reference point Bucket Dredger Rioll Pitch Heave Position Speed Sealevel Heading UI C Automatic switch Select primary data group for a data source set automatic selection mode and the conditions For switching Data sources can be selected For various computations and displays Figure 2 7 Data Source page with the depth sensor as primary data group By default the data group Sealevel Reference point will be the primary data group To use the depth sensor for calculating the sea level the depth sensor has to be the primary data source Select the depth sensor and click on f to move the depth sensor to the top PDS2000 Application Bucket Dredging Quick Setup Project e 9 RESON 10 e Quick Setup Project 2 2 5 Guidance Select a design model that will be used as reference for the bucket dredging This can be a 3D design model or a grid model Route Runlines Waypo
4. 15 Select Source Item for the Up Down Indceator eese 16 Properties of the Profile Realtime Design view 17 Bucket chain for the calibration of the mclnometer es 19 Configuration windOw sssseeeesseeeeeeeeennnnn nennen nnnm nennen nnn nnnn nnns nnns nnn a anis nnns nnns 21 Geometry page of the vessel confouraton nnne 22 Example of a top view of aveseel enne nnne nennen nnns 23 Example of a right view of a bucket chan 23 Drawing of the bucket chain with the origin 0001 24 Selfie un qoi RN T T Emm 25 First properties window of the Dredge Positioning System Bucket 26 Drawing of the bucket chan 27 Second properties window of the Dredge Positioning System Bucket 0000nnnn0010nn 28 Third properties window of the Dredge Positioning System Bucket 29 First properties window of the Positioning System GeogS ss annensenneensenrnreonnnneeennne 30 Third properties window of the Positioning System Geogs 31 First properties window of the Compass nnno00annnnnenosennnnenneosnnnnnnnrnosnrnrnrreosennnrrreernene 32 First properties window of the VU 33 First properties window of the Depth eensor s nnsssnnseseneessnrnesnnenornrensrrernnrnnsrrrennnneene 34 Second properties window of the Depth eensor 34 Properties window of the Tide gauge snennnsennnosnnnesrnrrornrnnsrnnrnnnrrnrnnrnsnrrnsnnrrennneesnnnee
5. The Follow Vessel switches automatically on again when the pan is switched off Redraw Redraw the profile view Save Snapshot A picture of the view can be saved as a JPEG file E AUTO Vertical Auto Ranging If checked a vertical zoom extents is active Follow Vessel 7 If checked the attach point selected in the Properties of the profile view will always be located in the center of the view Layer Control The overview of the used background and foreground layers in the profile view See page 53 New layers can be added to the used list Properties amp The Properties of the profile view where some extra settings can be set see below 5 3 2 Profile Properties Click on in the toolbar or select Properties in the context menu to open the Properties of the profile view El Properties Mame Value El Follow Vessel Enabled Bl Position Source Drag head Absolute Position Dredge Point Profile View Side Fight Heading Selection Heading Vertical Auto Hanging Disabled Scale Made Fixed Aspect Hat Aspect Ratio 1 Background Color Red 1 92 Green 132 Blue 182 Attach To Dredge Point wi Attach to Button Figure 5 11 Properties of the Profile Realtime Design view 52 e Acquisition PDS2000 Application Bucket Dredging m m RESON lt 7 By default the item Position Source is set on the Drag head Absolute o Position and the item Attach To is set on Dredge Poi
6. is set on the Drag head Absolute Position and the item Attach To is set on Dredge Point Do not change the setting for the Position Source For Attach To the user can choose between Dredge Pointor Sensor Reference Point where with Dredge Point the bottom of the bucket chain is followed and with Sensor Reference Point the bucket chain point is followed When the Profile Realtime Design view is created the view is always from the Left With the item Profile View Side the view side can be changed to Right Front or Back The left Profile Realtime Design view go in the figure on page 11 is a view from the back The different view sides have to be made as contours in the Geometry page see page 3 PDS2000 Application Bucket Dredging Quick Setup Project e 17 LC HA 3 Calibration 3 1 Introduction At the moment there is no procedure in the PDS2000 software to calibrate the angle of the bucket chain Below a method is explained how to calibrate the angle of the bucket chain and where to enter the computed value in the properties of the device driver 3 2 Calibration Inclinometer The inclinometer will be mounted on the ladder of the bucket chain To be sure that the reading from the inclinometer matches with the angle of the ladder an inclinometer calibration has to be done For the best calibration the total length of the ladder has to be used Move the bucket chain so that the centre of the bottom buck
7. 4 2 4 Data Source Page In the Data Source page the order of several data sources can be defined With a depth sensor selected in the Equipment list the sea level data source will have two data groups Data sources Data groups 1 Depth sensor 1 IHCS draught dps Sealevel c 2 Sealevel Reference point E Bucket Dredger Rall Pitch Heave Position Speed Sealevel Heading C Automatic switch Select primary data group for a data source set automatic selection mode and the conditions For switching Data sources can be selected For various computations and displays Figure 4 20 Data Source page with the depth sensor as primary data group By default the data group Sealevel Reference point will be the primary data group When a depth sensor is available and the depth sensor is used for the computation of the sea level then the depth sensor has to become the primary data source Select the depth sensor and click on f to move the depth sensor to the top as is displayed above PDS2000 Application Bucket Dredging Vessel Configuration e 37 A Sa 4 2 5 Guidance Page In the Guidance page several types of guidance can be used to guidance the survey For a bucket dredger the most useful guidance is the design model because then it is visible in the views to which depth the bucket dredger has to dredge Route Runlines Waypoints Design Model Work Areas Restricted Areas Type S
8. Click on in the plan view toolbar or select Layer Control in the context menu of the plan view to open the Layer Control Background Layers Active Grd Model Layer GridM adel Active Grid Model Difference Layer GridModel Active Haute Layer Foreground Layers Active Work Area Layer Active Work Areas Layer Active Waypoint Layer Bucket Dredger Active Placement Point Layer Active PlacementPaint Figure 5 7 Layer Control of the Plan View General Dredge Operation The most important layers are the Active Grid Model Layer the Active Grid Model Difference Layer and the Dredge Layer These three layers are automatically added to the plan view when the view is created and with the default settings in the layers the grid model or grid model difference and the vessel with the bucket chain will be displayed If the user wants to switch between the grid model and grid model difference it can be done via the Layer Control but this is not advisable A better way is to use the Coverage Settings option for switching between both models see page 49 The only thing what can be modified is the Track History Mode in the Dredge Layer By default this is set on Fixed Length and this can be changed to Off or Fixed Period The track history will be displayed behind the vessel so the user can see where the vessel has dredged With Fixed Length a distance is used and this can be defined with Track Buffer Length W
9. EE TEEN 3 i x T da DU i 1 a D Li H a D a a d 4 1 1 a D Li E d D i H D 4 D D Li Figure 2 14 Profile Realtime Design view with a right view of the bucket chain grid model and design model The underdredge and overdredge limits have to be specified in the Design Model tab in the Guidance page see page 10 The active design model and active grid model are automatically displayed in the view The DTM update shape is automatically calculated with the settings as specified in the properties of the Dredge Positioning System see page 6 The shape displays the dredge area of the bucket chain With the use of this shape the update for the active grid model is calculated For the Up Down Indicator every item that is available or calculated in PDS2000 can be selected Here above is for instance the computation 3 Design Difference in the m Drag head Absolute Position displayed Click with the right mouse button in the Up Down Indicator area to open the Layer Control of the area Select in the Up Down Indicator Layer the item Source Item and select at the bottom the item that has to be displayed see below The computation Design Difference shows the difference between the lowest point of the bucket chain and Z value of the design model Another option is to select the computation ZZ Absolute Z Dredge Head 1 which shows the absolute depth of the lowest point of the bucket chain PDS2
10. PDS2000 Application Bucket Dredging 38 e Vessel Configuration m File Formats PD52000 Format DS2000 Grid Model Interval Logging Format Grid model GridModel wt Mew Data For grid model lagging Dredge Positioning System Bu Figure 4 22 Logging page with PDS2000 Grid Model Grid model Select an existing grid model or create a new one with new The grid model should be of the dredge location and should contain the measured depths of the location Data for grid model logging Select with the device data of the Dredge Positioning System Bucket This device data will be used to update the grid model with the actual dredge depths lll Select Data f ET Equipment E ibd Dredge Positioning System Bucketic 1 Sim Bucket Chain dredge buc 3T Device Data m Figure 4 23 Select the device data for the grid model logging PDS2000 Application Bucket Dredging Vessel Configuration e 39 SS Z 5 Acquisition 5 1 Introduction Before the dredging can be started for the first time a calibration of the ao bucket chain has to be done See for a detailed explanation of the calibration the chapter Calibration on page 19 The Acquisition is the online section of PDS2000 With several views in the Acquisition the dredge situation can be monitored The minimum number of views should be a Plan View where the bucket dredger with the bucket chain is visible and one or more Profile views for a sid
11. of the plan view are next to the toolbar buttons some extra items added Below all the items buttons will be explained The items in the toolbar and the context menu are Zoom Functions SL Vi Zoom In Zoom Out Zoom Window and Zoom Extents The zoom window option works only when Follow Vessel mode is off The Zoom Extents has no button in the toolbar Pan Toggles the pan option on off When pan is active keep the left mouse button in and move the mouse to pan through the data PDS2000 Application Bucket Dredging Acquisition e 43 44 e Acquisition The pan option can also be switched off by clicking on the right mouse button When the pan option is switched on and the Follow Vessel is on then the Follow Vessel will be switched off The Follow Vessel switches automatically on again when the pan is switched off Redraw Redraw the plan view Measure Measure a distance and a bearing in the plan view On the first use the measure starts at the vessel s tracking point With a mouse click the start of the measurement can be at any location in the view The measure window shows start and end coordinates as well as distance and bearing between the two locations Measure Distance 86 84m 4519143 93 Bearing 304 327 Figure 5 8 Measure window in the plan views XY Click on to change the presentation from grid to projection coordinates in a selectable format A right mouse click stops the measure opt
12. the list Remove Delete the selected point from the list View side Select the view side of the vessel contour top bottom left right front and back o pz PDS2000 Application Bucket Dredging m m RESON wy Zoom Extents Zoom In Out Click on to save the contour and to close the vessel contour editor 4 2 1 2 Offsets The offsets that are needed for the bucket dredging have to be added to the offset table in the Geometry page The possible vessel offsets are offsets for Antenna of a Positioning System Geogs Bucket Chain Point Top Bucket Chain Wheel VRU Depth Sensor The Zero offset is the zero point of the vessel See Dredge Positioning System Bucket on page 26 for a drawing of the bucket chain with the bucket chain point and the top bucket chain wheel 4 2 2 Equipment Page In the Equipment page the sensors used for the bucket dredging are Dredge Positioning System Bucket see below Positioning System Geogs see page 30 Compass see page 32 VRU see page 33 If no RTK system is used as positioning system then the following equipment is needed Depth Sensor see page 33 Tide gauge s see page 35 Groups Device Port inb Automatic Identification Sustem E SL NMEA 2 30 GGA pos NETI E Autopilot Output 3 zwee MMEA HDT hdg NEI e Compass Depth sensor 3 ind Eus tre Dredge Positioning System Bucket hain EE SE d Dredge Stat
13. with a right view of the bucket chain grid model and eren MR E m 50 Select Source Item for the Up Down Indicator sseseeeeeeeeeeeee 51 Properties of the Profile Realtime Design view 52 Layer Control of the Profile Realtime Design view cccccccsseeeeeceeeeeeseeeseeeeeeeesaaeeeees 54 PDS2000 Application Bucket Dredging SS Z 1 Introduction 1 1 Bucket Dredging The application type Bucket Dredging is for a project where for dredging a bucket dredger is used In the first chapter of this application manual a brief explanation of the setup of a bucket dredging project will be discussed At the end of this chapter some extra information about the views in the Acquisition will be given This chapter can be used by experienced PDS2000 users The next chapter will discuss the calibration of the inclinometer on the bucket chain The last two chapters will explain in more detail the setup of the project and the Acquisition This manual has to be used in conjunction with the PDS2000 User Manual This manual is also available as a HTML Help file Press F1 or select Help gt Help Topics to open the PDS2000 help files PDS2000 Application Bucket Dredging Introduction e 1 SS Z 2 Quick Setup Project 2 1 Introduction PDS2000 needs a project an application type and a configuration before any of the modules can be sta
14. 000 Application Bucket Dredging Quick Setup Project e 15 RESON ve 16 e Quick Setup Project A oar t Profile Realtime Design QQ BO 9 oO 9 os 2 9 Red 128 Green 128 Blue 128 Red 17 Green 174 Blue 56 Red 214 Green 50 Blue 50 Red 0 Green 0 Blue 0 Font Italic o et Dredger Absolute X Offset Point 2 X Absolute Y Offset Point 2 Absolute Z Offset Point 2 Absolute X Dredge Head 1 Absolute Y Dredge Head 1 Absolute Z Dredge Head 1 Absolute Interm X Absolute Interm Y Absolute Interm Z Depth Vertical Reference Heading 1 Roll 1 Pitch 1 H NEI N Figure 2 15 Select Source Item for the Up Down Indicator PDS2000 Application Bucket Dredging m m m RESON NEZ 2 3 2 1 Profile Properties Click on in the toolbar or select Properties in the context menu to open the Properties of the profile view El Properties Mame Value E Follow Vessel Enabled El Position Source Drag head Absolute Position Attach To Dredge Point Profile View Side Fight Heading Selection Heading Vertical Auto Hanging Disabled Scale Made Fixed Aspect Ratio Aspect Ratio 1 Background Color Red 192 Green 132 Blue 192 Attach To Dredge Point wi Attach to Button Figure 2 16 Properties of the Profile Realtime Design view o By default the item Position Source
15. 1 259 Insert Remove View side Right wi a LI O e Cancel Apply Figure 2 1 Example of a right view of a bucket chain lll Vessel Contour Bucket Chain Point Line Zoom View Import Mame Point Point Y Tvpe Mame Poink 1 Point 1 0 000 0 577 Start af Polygon Point 3 0 296 0 493 EET Point 4 0 448 D 357 Painti5 0 541 0 173 Point amp 0 565 0 007 Type Pointt 0 537 0 163 Point 8 0 468 0 306 Point 0 354 0 432 Figure 2 2 Example of a top view of a bucket chain 4 e Quick Setup Project PDS2000 Application Bucket Dredging m m RESON The origin 0 0 0 of the drawing for a bucket chain should be in the centre of the bottom bucket chain wheel The negative Y axis has to go through the bucket chain point see below Bucket Chain Point Figure 2 3 Drawing of the bucket chain with the origin 0 0 0 The offsets which are needed for the bucket dredging have to be added to the offset table in the Geometry page The possible vessel offsets are Antenna of a Positioning System Geogs Bucket Chain Point Top Bucket Chain Wheel VRU Depth Sensor The Zero offset is the zero point of the vessel See page 7 for a drawing of the bucket chain with the bucket chain point and the top bucket chain wheel 2 2 2 Equipment In the Equipment page the sensors used for the bucket dredging are Dredge Positioning System Bucket Posit
16. 35 Advanced Computations with a tide computation eooannnnnoeannneoennnnonrnnnnesrnnnnensnnnennnnne 36 Properties window of the Tide computation ccccseeecceeeeeeeeeeeeeeeceeeeeeseeeeeesneeeesseeeeeens 36 PDS2000 Application Bucket Dredging Figures e iii RESON Figure 4 20 Figure 4 21 Figure 4 22 Figure 4 23 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6 Figure 5 7 Figure 5 8 Figure 5 9 Figure 5 10 Figure 5 11 Figure 5 12 iv e Figures Data Source page with the depth sensor as primary data group 37 Design Model tab in the Guidance page 38 Logging page with PDS2000 Grid Model 39 Select the device data for the grid model loggmg 39 Example of a layout in the Acquisition ccccccseseeeceeeeeeeeeeeeeesaeeeeeeeeesseeeeesaeseeesaeneeeeas 42 Plan View General Dredge Operation view with orientation mode Heading Up 43 Measure window in the plan views sseessssessseeeeee nennen nnn 44 Measure Relative window lsseessssesssesssesese nenne nennen nena nnn nnns narra nnns na rns 44 Find C Map object in the plan view 45 The Properties of the Plan View General Dredge Operation view 46 Layer Control of the Plan View General Dredge Operation 48 Sie Mte heic SEE EO OO TE E 49 Profile Realtime Design view
17. 4 Grid Model Difference 14 48 Guidance 10 15 38 50 Inclinometer 6 7 19 26 27 em JPEG File 44 52 m Ladder 19 20 26 27 Ladder Length 7 27 Layer Control 44 46 48 52 54 Logging 38 Measure 44 O Offset 5 7 8 22 25 27 30 33 34 38 Overdredge Limit 10 15 50 54 p Plan View 11 12 13 14 41 43 46 48 49 Plan View General Dredge Operation 12 41 43 Polygon 45 Positioning System Geogs 5 8 25 30 Profile Realtime Design View 3 10 15 17 22 38 41 50 53 Properties 13 17 46 52 R Route 45 RTK 5 8 9 25 30 31 33 35 Index e 55 RESON sz g Sea Level 8 9 33 37 Sun Illumination 49 T Tide Gauge 5 8 9 25 30 31 35 Tide Station 9 35 37 Top Bucket Chain Wheel 5 7 25 27 Top View 3 12 22 43 e Underdredge Limit 10 15 50 54 Up Down Indicator 15 50 Vessel 3 5 8 21 22 25 32 33 Vessel Configuration 3 21 22 Vessel Contour 24 VRU 5 8 25 28 32 33 35 W Wireframe 22 28 56 e Index PDS2000 Application Bucket Dredging
18. 5 E Profile el eg 17 3 Calibration 19 SN MMU OCC CP EE 19 3 2 Calibration lei Wee Lu 19 4 Vessel Configuration 21 4 1 Igi rero leit LE 21 4 2 Vessel Configuration ccccccccccceccceeesseecceeeseeeeeecceeeeeeseasseeceeesessuaaaeeeeeeessaaaaeses 22 zi Ee Tu E ie E e Tm 22 4 2 1 1 Vessel Contour EE 22 SR ALICE C 25 22 2 Equipment Id essecdestctmducb ndibUeinm xo rinibiaseebi auditu tU t teR nei te auxi aO 25 PDS2000 Application Bucket Dredging Contents e i JI e Sa 4 2 2 1 Dredge Positioning System Bucket ssssssss 26 4 2 2 2 Positioning System Geogs 30 4229 eu e 32 Ae ANRU eete 33 4 2 2 5 Depth Sensor riirii diii nennen nnns nnns 33 4 2 2 6 Tide Gauge ENEE 35 4 2 3 Computations Page 35 4 2 4 Data Source age 37 4 2 5 Guidance Page uiuiiediteserctcepuaso sets dit seeds tacere ei soe d pce cabe su Pee e qute uis 38 B20 OO QING lr Le MON RTT TRO T E T 38 5 Acquisition 41 SA Inifere een EORUM 41 5 2 Plan View General Dredge COpoeraion 43 5 2 1 Plan View Toolbar and Context Men 43 5 2 2 Plan View Properties A 46 0 2 9 Plan View Layer E et e E 48 o2 JO VOT ACS Eeer eege 49 5 3 Profile Realtime Design View 50 5 3 1 Profile Toolbar and Context Men 51 5 3 2 Profile Properties eese nennen nnne nnns 52 5 3 3 Profile Layer Control 54 li e Contents PDS2000 Applicati
19. Application Bucket Dredging PDS2000 Version 1 0 2 June 2010 RESON B V Stuttgartstraat 42 44 3047 AS Rotterdam The Netherlands Tel 31 0 10 245 15 00 www reson nl Amendment Record Sheet Date Reason for Modifications 10 06 2010 New RESON logo added 15 03 2010 omall modification 1 0 0 04 03 2010 First version of the Bucket Dredging Manual Contents 1 Introduction 1 NR fie E Dredging RE 1 2 Quick Setup Project 3 ZA M MVM OCC e EE 3 2 2 Vessel GO MMO VA OM assessed morie atidr des ichdstet idee Dem aaa ia quU EM tEuESUE 3 2 2 V GEOMOEUIY 3 PARA oen E 5 2 2 2 1 Dredge Positioning System Gucket 6 2 2 2 2 Positioning System GeogS nennen 8 PEAKS GTI SI C NIRE EE 8 ALAS RU 8 2 2 2 9 Deelt SENSO ERECTO TT 8 oe dae UE ee eee ee 9 2 2 3 GOMPUTAUONS eegen Ismonciepnnecdmaatemeesestnsdersahdencdecedesxdeutedoetes anaa 9 224 Data ee 9 PREASA UNG E ne 10 E a LOGIN ME 10 ZO COUN SIU MA E 11 2 3 1 Plan View General Dredge Operation ccccccecesseeeeeeeeeeeeeeaeeseeeeeeees 12 2 3 1 1 Plan View Properties cccccccseeceeeceeeeeseeeeeneeeeeessaeeeessaeseesaaeeeeaaes 13 2 3 1 2 Coverage Settings cccccccccceeecccceeeeeeeeseeeeeeeesseeeeeeeeeeeseaaeaeeeeeeeeeesaaas 14 2 3 2 Profile Realtime Design View cccccseseeeeseeeeeeeeeeeeaeceeeeeaeeeesaneeessaaeess 1
20. R V 7 3 5 2 i ai kb x kl H c le Cu KS Y A z g H eo DF 0 OF ORME In 713 77 1 3M Deom Du per T2 0M T TI Y Data Duffer Vessel Bucket Oredger Group Dredoe Tool Absolute Position Computation Name Dragtead Absolute Postion v DataBiock 12 02 2010 09 48 22 758 buche X Offset Po 15213527 216443 36 783 152142 89 216462 03 4229 E 152142 E 152142 05 152144 43 3 216462 09 216462 09 216264 E 3 1223 1079 073 Chat Datum EEN Dm 4100 4242 013 g X 10 2 Y 4 1 Ducket Dredger Zero Offset Dt M Figure 2 10 Example of a layout in the Acquisition PDS2000 Application Bucket Dredging Quick Setup Project e 11 RESON Sy When no color table can be selected then a color table has to be created in the Explorer before it can be selected see for information the PDS2000 User Manual o 12 e Quick Setup Project 2 3 1 Plan View General Dredge Operation This plan view will show the bucket dredger with the bucket chain in a top view with additional information Plan View General Dredge Operation ege mh o tle Figure 2 11 Plan View General Dredge Operation view with orientation mode Heading Up When this plan view is created automatically the grid model and the dredge layer with the bucket dredger information are loaded Only the active grid model will be shown in black because there is no color table selected for the grid model Click on i
21. age Settings in the context menu of the plan view to open the Coverage Settings Coverage Settings GridModel Sun illumination Data type Color table Q Mone 9 Z Average autacoltab ridMadel v Azimuth O Hit Count v Elevation Enabled Contrast CO Difference Reference Type Offset Show color table Figure 2 13 Coverage Settings for the plan view If a grid model has to be shown in the plan view check the option Grid model on top of the window Check then under Grid Model the data type that has to be shown in the plan view Select the right color table for that data type If a grid model difference has to be shown in the plan view check the option Difference and select the right color table With the Coverage Settings it is easy to switch between the active grid model and the active grid model difference in the plan view Check one of the two options and the settings in the Layers are automatically updated Check the option Show color table if the user wants to show the color table of the selected option on the right hand side of the plan view 14 e Quick Setup Project PDS2000 Application Bucket Dredging RESON E 2 3 2 Profile Realtime Design View The Profile Realtime Design view will show the bucket dredger with the bucket chain as a side view with additional information Profile Realtime Design E e E H Z ES ao o em ee eee ee ee eee m eg Kaes ES PEPEE EE
22. ally Fixed Horizontally and Scale Freely Aspect Ratio The ratio between the horizontal and vertical scale used in the profile view This ratio is used for all the different scale modes Background Color The color of the background can be modified PDS2000 Application Bucket Dredging Acquisition e 53 54 e Acquisition 5 3 3 Profile Layer Control Click on in the profile view toolbar or select Layer Control in the context menu of the view to open the Layer Control d Foreground Layers B Active God Model Profile Layer GridM adel Active Design Model Profile Layer Design Dredge Layer Drag head Absolute Position Grid Layer Grid Figure 5 12 Layer Control of the Profile Realtime Design view The most important layers are the Active Grid Model Layer the Active Design Model Layer and the Dredge Layer These three layers are automatically added to the plan view when the view is created and with the default settings in the layers the grid model the design model and the vessel with the bucket chain will be displayed In the Active Grid Model Layer the color and the hatch style of the grid model in the profile view can be specified In the Active Design Model Layer next to the color and the hatch style of the design model also the colors of the underdredge and overdredge limits can be specified In the Dredge Layer the color the line width and the hatch style of the shape of the DIM Update th
23. cond properties window CS Heading computation nothing can be set by the user 4 2 2 4 VRU A VRU motion sensor is used to measure the attitude roll and pitch of the vessel The first properties window VRU El Properties Time Delay sec Device Offset Heading Carrectian Holl Correction Pitch Correction Heave Delay Bl Processing Interpolation Gap Check Maximum Gap Time B Device Standard Deviations SDEY of yz affzet m SDE of roll and pitch alignment C D deg SDE of heading Time Delay sec Figure 4 14 First properties window of the VRU Time Delay The time delay in the VRU in seconds For the bucket dredging application the default setting O can be used Device Offset The offset of the motion sensor as defined in the Geometry page Heading Correction If the VRU is not aligned with the vessel enter the misalignment of the VRU Roll Pitch Correction A roll and pitch correction derived from the VRU calibration can be entered in the properties Check the sign convention of the roll and pitch before entering the values In the second properties window 5 Attitude computation nothing that is relevant can be set by the user 4 2 2 5 Depth Sensor When the positioning system is not a RTK system a depth sensor is used to measure the draught of the vessel When a depth sensor is used the sensor has to be set as primary data group for the sea level data source in the Data Sourc
24. d a configuration When a project is created with the application type Bucket Dredging the configuration can be started in the Control Center with Z1 from the toolbar or with the menu option Acquisition Configuration Configuration Bucket Dredger Bucket Dredging vessels Layouts Events Alarms Type ID Vessel wl s Lacal Bucket Dredger Bucket Dredging Remove Figure 4 1 Configuration window In the Configuration a vessel has to be added to the configuration Use under Local to add an existing vessel or create a new one When a vessel is added select the vessel and click on under Local to open the Vessel Configuration PDS2000 Application Bucket Dredging Vessel Configuration e 21 2 m sm ON wy R 4 2 Vessel Configuration o This is just a list of offsets in the Equipment page the offsets are assigned to the sensors 22 e Vessel Configuration The Vessel Configuration window has several tab pages where the complete setup for the bucket dredger can be defined 4 2 1 Geometry Page vessel contour Offsets Bucket Chai 0 00 17 80 7 10 vessel wireframe Draught den E GPS 0 25 0 50 7 25 Monge he Top Bucket 0 00 19 10 9 40 Wheel E VRU 100 1 00 3 00 zero Offset 0 00 0 00 0 00 Sea level positive above reference point Vessel turn radius 5 Vessel vertical pasition Overview Surface CO Subsurface ROW etc Figure 4 2 Geometry page of t
25. e see page 37 PDS2000 Application Bucket Dredging Vessel Configuration e 33 The first properties window Depth sensor El Properties Device Offset i Time Delay sec Processing Interpolation Gap Check Maummum Gap Time E Device Standard Deviations SDEY of dynamic draft m E Bucket Dredger Bucket Chain Paint Draught PS Top Bucket Wheel YRU Zero Offset Figure 4 15 First properties window of the Depth sensor Device Offset The offset of the depth sensor as defined in the Geometry page Time Delay The time delay in the depth sensor in seconds For the bucket dredging application the default setting O can be used The second properties window Sealevel computation Bf Properties Value BER integration Period sec B Apply WAU Data Enabled VAU Source Data Source Roll Pitch Primary Maximum Age YAU Data ms EN Wait for YRU Data Disabled Integration Period ec Figure 4 16 Second properties window of the Depth sensor 34 e Vessel Configuration PDS2000 Application Bucket Dredging mm RESON Sy Integration Period The integration period is the period over which a mean value is computed This mean value is then used as the value from the depth sensor Apply VRU Data Enabled The VRU data is used to calculate the actual depth of the vessel This is the default setting Disabled No VRU data is used 4 2 2 6 Tide Gauge When the positioni
26. e can be set so that the vessel is always looking up with a fluctuation to the left and right The orientation of the data in the plan view is steady and the vessel will rotate Set Fixed Skew From Heading E Click on this item in the context menu or on the button in the toolbar and the actual heading of the vessel will become the orientation of the plan view To activate this orientation select as orientation mode Fixed Skew and the just selected orientation is fixed Interactive Selection If checked it is possible to select items in the plan view with the mouse When active double click on the color table on the right side to open the color table generator to modify the color table PDS2000 Application Bucket Dredging Acquisition e 45 l m E Edit Mode If checked it is possible to modify the routes and clipping polygons and to add or edit the user maps objects Undo ir Will reverse the last action done in the edit mode Redo Only active after an Undo and will reverse the last undo action of the edit mode Layer Control The overview of the used background and foreground layers in the plan view see page 48 Coverage Settings amp The settings of the grid model in the plan view see page 49 Properties B The Properties of the plan view with some extra settings for the Follow Vessel mode see below 5 2 2 Plan View Properties Click on in the toolbar or select Propertie
27. e of the bottom bucket chain wheel to the edge of the bucket when it passed the bottom bucket chain wheel Effective Width The width of the bucket Dredge Head Shape Select the contour file for the bucket chain that is made in the Geometry page PDS2000 Application Bucket Dredging Quick Setup Project e 7 A Sa 8 e Quick Setup Project In the second and third properties window CS Drag head Relative Position and ZS Drag head Absolute Position the defaults settings can be used In the third properties window the option Grid Model Update Mode is set on Set Z Value to give the best update of the active grid model 2 2 2 2 Positioning System Geogs If this system is not a RTK system then a depth sensor and one or more tide gauges have to be interfaced see page 8 In the first properties window SS Positioning System Geogs Device Offset The offset of the GPS antenna as defined in the Geometry page In the third properties window Reference Point Computation Height Source Select for the computation of the height related to the received position the Z of the GPS RTK system or the tidal information from tide gauges or predicted tides 2 2 2 3 Compass The compass is used to get a heading of the vessel In the first properties window e Compass Heading Correction The correction as derived from the compass calibration 2 2 2 4 VRU A VRU is used to measure the attitude roll pitc
28. e or back view of the bucket dredger with the bucket chain The views that will be discussed in this chapter are Plan View General Dredge Operation see page 43 Profile Realtime Design view see page 50 oee for other views which can be used in the Acquisition the chapter Views in the PDS2000 User Manual g For an explanation of the functionality of the Acquisition see the chapter Acquisition in the PDS2000 User Manual PDS2000 Application Bucket Dredging Acquisition e 41 RESON Sy Aecutst pes tee S27 REE s l v uuu Geadt ea w hie wey3 Sa on WOT Re OF QARA HHT Reo OF ts xm LII KIT per 1 Dredos amp amp i neh Pt oo deg UPS K Cerin Dora Tp Betibuda computation BB Geen sensor C5 irr Device Dota Seabed copat atiii ged Driya orbe System uath Device Data w Fikia Z Deg Paraj w Abaoue X Dredge Hesg Tsay w Absolute Y Dendiga Haad Pire w Absolute Z Dredge Head GES w Abacus ten X E 0 3 1521299 15212 89 152144 43 w Birolle ien Y CES w Absolute tem Z s 021210707 w Depth Vistical Fielerence Chet Datum nsa non om BZ AS 412 Yo Bucket fendiger Zeen Gliss ET ben Figure 5 1 Example of a layout in the Acquisition 42 e Acquisition PDS2000 Application Bucket D
29. e plan view check the option Difference and select the right color table The grid model difference is always the difference between the active grid model and the design model that is selected in the Guidance see page 38 With the Coverage Settings it is easy to switch between the active grid model and the active grid model difference in the plan view Check one of the two options and the settings in the Layers are automatically updated Check the option Show color table if the user wants to show the color table on the right hand side of the plan view With the sun illumination the sun is simulated in a way that on the grid model a shadow becomes visible which makes it clearer to see differences in the depths Move the yellow dot in the circle to set the azimuth and the elevation for the sun With the contrast bar the contrast can be set It is also possible to set all three the parameters manually Check the option Enabled to make the sun illumination active The sun illumination will work after the user has clicked on ze or It will take some seconds before the sun illumination is updated The time it takes for updating depends on the size of the grid model and the computer speed PDS2000 Application Bucket Dredging Acquisition e 49 RESON 5 3 Profile Realtime Design View The Profile Realtime Design view will show the bucket dredger with the bucket chain as a side view with additional information Profile R
30. e vessel and the bucket chain can be specified The user can add extra layers with to the list of layers One of the layers is the Numerics Layer With this layer items from the computations like Design Difference or Absolute Z Dredge Head can be displayed as text in the profile view PDS2000 Application Bucket Dredging Index 3D Design Model 10 3D DXF File 22 28 3D Model 38 A Acquisition 3 11 22 41 Active Design Model 15 Active Grid Model 12 14 15 29 43 49 Active Grid Model Difference 49 Advanced Computations 9 35 Application Type 3 21 B Bottom Bucket Chain Wheel 5 7 19 24 27 Bucket Chain 3 5 6 7 11 12 13 15 17 19 22 24 25 26 27 28 29 41 43 50 Bucket Chain Point 5 7 17 19 20 24 25 27 53 o e C Map 44 Color Table 12 14 43 49 Compass 5 8 25 32 Context Menu 12 13 14 17 Contour 3 7 17 22 24 53 Coverage Settings 12 14 43 46 49 CRP 22 D Data Source 8 9 33 37 Depth Sensor 5 8 9 25 30 33 37 Design Model 10 15 38 49 50 54 Draught 8 33 Dredge Positioning System 5 6 25 26 DXF File 24 PDS2000 Application Bucket Dredging RESON wy E Equipment 5 25 pe Follow Vessel 12 43 45 46 50 51 52 53 Eu Geometry 3 5 7 8 17 22 25 27 28 30 33 34 GeoTIFF File 44 GPS 8 30 Grid Model 8 10 12 14 38 39 48 49 50 5
31. ealtime Design amp GlQuocsc DU ah 1 1 x CZE C CH 1 EUREN Figure 5 9 Profile Realtime Design view with a right view of the bucket chain grid model and design model When the bucket chain is not displayed in the profile view then set the view in the Follow Vessel mode Click on 2 in the toolbar or select Follow Vessel in the context menu of the profile view to set the Follow Vessel mode on The underdredge and overdredge limits have to be specified in the Design Model tab in the Guidance page see page 38 The active design model and active grid model are automatically displayed in the view The DTM update shape is automatically calculated with the settings as specified in the properties of the Dredge Positioning System see page 26 The shape displays the dredge area of the bucket chain With the use of this shape the update for the active grid model is calculated For the Up Down Indicator every item that is available or calculated in PDS2000 can be selected Here above is for instance the computation Design Difference in the a Drag head Absolute Position displayed Click with the right mouse button in the Up Down Indicator area to open the Layer Control of that area Select in the Up Down Indicator Layer the item Source Item and select at the bottom the item that has to be displayed see below The computation Design Difference shows the difference between the lo
32. et chain wheel is on the waterline see below then measure from the bucket chain point to the waterline Bucket Chain Point A Bottom Bucket Height Chain Wheel Above Waterline TT EFC Te Ce qiios eee ETE Waterline Figure 3 1 Bucket chain for the calibration of the inclinometer When it is difficult to measure to the waterline measure to the deck and then from the deck to the waterline on starboard and port Take the mean PDS2000 Application Bucket Dredging Calibration e 19 A Sa 20 e Calibration from both sides plus the height to the deck as the height above the waterline From the ladder length and the height of the bucket chain point above the waterline an angle can be calculated When it is difficult to put the centre of the bottom bucket chain wheel on the waterline it is also possible to put an other point of the ladder on the waterline Then also the distance from that point to the bucket chain point has to be measured The difference between the calculated angle and the inclinometer reading can be entered as the Sensor 1 Offset in the properties of the Dredge Positioning System Bucket see page 7 Check the sign convention before entering the correction PDS2000 Application Bucket Dredging m 4 Vessel Configuration 4 1 Introduction In the chapter Starting PDS2000 of the PDS2000 User Manual is described how to setup a project with an application type an
33. ettings 3p Models w Mame lower limit In Underdredage limit Overdredge limit 0 3 Figure 4 21 Design Model tab in the Guidance page Type Select as design model a 3D Model or a Grid Model Name Select the 3D Model or Grid Model When no model is available click on and the 3D Design Model Editor or the Grid Model Editor will be opened to create a new model With the editor of the selected file type will be opened to check or modify the model See for an explanation of both editors the PDS2000 User Manual Settings Offset When this option is checked an offset to the Z value of the design model will be set Z lower limit When this option is checked a new Z value for the design model can be set Underdredge Overdredge limit These two limits are offsets to the Z value of the design model The limits are just as indication and no alarms or checks are done with these limits The limits can be displayed as extra lines in the Profile Realtime Design view see page 50 4 2 6 Logging Page In the Logging page the logging can be defined The two logging formats that are relevant for this application are the PDS2000 Format and the PDS2000 Grid Model The logging in the PDS2000 Format is always checked and can not be unchecked by the user The logging in a PDS2000 Grid Model should be checked Select the PDS2000 Grid Model as file format and in the Logging page two extra dialogs will be displayed as shown below
34. ge Tool Type Figure 2 5 Bucket Bucket Chain 1 Bucket Chain Point A 0 00 Y 17 80 Z TJ 23 8 1 Top Bucket Wheel A 0 00 T 13 10 2 9 40 53 3 D 0 6 1 5 First properties window of the Dredge Positioning System PDS2000 Application Bucket Dredging Bucket Chain Wheel Radius Top Bucket Chain Wheel Bucket Chain Point Bottom Bucket Chain Wheel Bucket A Dredge Radius Figure 2 6 Drawing of the bucket chain Device Offset The offset of the bucket chain point as defined in the Geometry page Length Segment 1 The ladder length in meters Sensor 1 Multiplication Factor The multiplication factor for the inclinometer reading Sensor 1 Offset The offset for the inclinometer reading The offset can be calculated with the calibration of the inclinometer see page 19 Top Bucket Wheel Offset The offset of the top bucket chain wheel as defined in the Geometry page Bucket Chain Length The total bucket chain length The length can be obtained by measure the length over 5 buckets with a tape measure and divide the observation by 5 then multiply this by the number of buckets on the chain Bucket Chain Depth Correction The dredge depth can be corrected with this correction a positive correction will make the dredge depth deeper Bucket Chain Wheel Radius The radius of the top or bottom bucket chain wheel Bucket Dredge Radius The distance from the centr
35. h and heave of the vessel The first properties window VRU Device Offset The offset of the motion sensor as defined in the Geometry page Heading Correction If the VRU is not aligned with the vessel enter the misalignment of the VRU Roll Pitch Correction A roll and pitch correction derived from the VRU calibration can be entered in the properties Check the sign convention of the roll and pitch before entering the values 2 2 2 5 Depth Sensor When the positioning system is not a RTK system a depth sensor is used to measure the draught of the vessel The first properties window f Depth sensor Device Offset The offset of the depth sensor as defined in the Geometry When a depth sensor is used the sensor has to be set as primary data group for the sea level data source in the Data Source see page 9 PDS2000 Application Bucket Dredging m m RESON wy 2 2 2 6 Tide Gauge When the positioning system is not a RIK system one or more tide gauges are used to measure tide information to calculate the absolute depth The properties window Tide gauge Tide Stations Select one or more tide stations that will be used to calculate the tide correction 2 2 3 Computations A Tide Computation has to be created in the Advanced Computations click on to open the advanced computations The tide computation is needed to compute the tidal correction Tide Reduction Computation Mode
36. he vessel configuration In the Geometry page the contours for the vessel and the bucket chain has to be created and all the offsets on the vessel has to be defined Only the relevant items will be discussed below for the other items the default settings can be used Vessel contour Click on to create a new vessel contour or click on to open the selected vessel contour In both cases the vessel contour editor will be opened see below When the user is finished with the contours select the vessel contour as the active contour so that it will be displayed in the Acquisition Vessel wireframe A vessel wireframe is a 3D drawing of the vessel and can be used in the 3D views in PDS2000 It is also possible to display the wireframe in the standard 2D views These wireframes should be 3D DXF files Select the wireframe of the vessel so that will be displayed in the Acquisition Offsets An offset is a point of interest on the vessel such as the location of a sensor see page 25 The Zero Offset is a PDS2000 pre defined offset the CRP and cannot be changed Click on for an overview of the vessel contour and offsets A top and a starboard view of the vessel are shown If no vessel contour is available a default contour will be used in the views 4 2 1 1 Vessel Contour For the contours a top view and at least one side view have to be drawn The side views of all the contours should be from the same side so the vessel with the buc
37. ing the setting for the timestamp mode can be Computer Clock Time Delay The latency in the GPS receiver For the bucket dredge application the default setting O can be used Datum Transformation The position from the positioning system is in most cases a position on a satellite ellipsoid in most cases WGS 84 To compute the position on a local ellipsoid the relevant datum transformation has to be selected Use other datum transformation An extra option appears in the properties called Datum Transformation see below where a different coordinate system can be selected Use project coordinate system The datum transformation as specified in the coordinate system will be used for the computation Use no datum transformation The coordinates on the local ellipsoid will be computed without a datum transformation PDS2000 Application Bucket Dredging If no standard deviation is received the height standard deviation mask has to be at least 0 05m otherwise PDS2000 does not accept the RTK Z for the height computation RESON Datum Transformation The datum transformation as it will be used to compute the incoming position on the local ellipsoid This option is only available when Use other datum transformation is selected above In the second properties window CS Antenna Position from Geogs nothing can be set by the user The third properties window Reference Point Computation El Properties IEEE Posi
38. ints Design Madel Work Areas Restricted Areas Type Settings 3p Models w offset 1 3 Mame lower limit Im Underdredage limit Overdredge limit 0 3 Figure 2 8 Design Model tab in the Guidance page The underdredge and overdredge limits are displayed as extra lines in the Profile Realtime Design view see page 15 2 2 6 Logging A grid model of the dredge location with the actual depths should be created Select in the logging page this grid model so that during the bucket dredging the grid model can be updated with actual dredge depths File Formats PDS2000 Format DS2000 Grid Model Interval Logging Format Grid model GridModel wt Mew Data For grid model lagging Dredge Positioning System Bu Figure 2 9 Logging page with PDS2000 Grid Model PDS2000 Application Bucket Dredging RESON NE 2 3 Acquisition In the Acquisition several views can be created to display the relevant information for the bucket dredger The minimum should be a Plan View where the bucket dredger with the bucket chain is visible and one or more Profile views for a side or back view of the bucket dredger with the bucket chain oee for other views which can be used in the Acquisition the chapter Views in the PDS2000 User Manual Fle d Yew Qudaxe Logg Doos Window Heb e cod atb Bech sENMI VW cuius Gea a w thier Z wi4 Za tatime I mr Zb Ee e v T a OK a P ep DEDE a fiiia bli leti 1 t
39. ion Measure Line Relative Measure a distance to the start and end of a line and the offtrack to that line Draw a line by selecting a start and end point of the line with the left mouse button The measure window shows start and end coordinates and the coordinates of the current location of the cursor Also the distance from the cursor to the start and end point of the line and the offtrack is given Measure Line Relative Current position Line end 1 422110 60 N 427187 29 N 42223262 j 4519020 53 4519033 63 4519117 74 Distance Distance 91 80 m Figure 5 4 Measure Relative window XY Click on to change the presentation from grid to projection coordinates in a selectable format A right mouse click stops the measure option Save Snapshot The picture of the plan view can be saved as a JPEG file Save as GeoTIFF The picture of the plan view will be saved as a GeoTIFF file geo referenced TIFF file Add Waypoint Click with the mouse on the location where a waypoint has to be added give a name for the waypoint and automatically a wayline is drawn from the vessel to the new waypoint Add Symbol A C Map object can be added to the plan view only possible when a C Map layer is added in the Layer Control Select an object and its attributes from the list Select with the cross PDS2000 Application Bucket Dredging shaped cursor the location for the new object A right mouse click stops the select location option
40. ioning System Geogs Compass VRU If no RTK system is used as positioning system then the following equipment is needed Depth Sensor Tide gauge s PDS2000 Application Bucket Dredging Quick Setup Project e 5 ES U C Z 6 e Quick Setup Project Groups Device Port ind Automatic Identification System s BE NMEA 2 30 GGA pos NETI e Compass Depth sensor 3 ES ci sp Dredge Positioning System Bucket EEN Dredge Status cel Al go VRUN TSS1 vru NETI e Echosounder Depth sensa1 IHCS MET External clack Ej draught dps EB c 8g Tide gaugel 1 NET Device drivers VunerMk 1 tdg til Bucket Chain Sim toed DGN Inclinameter ing HOT Inclinometer ism UPC De Boer Aalschalver zsm Dm Bucket Chain Figure 2 4 Equipment page For most of the items in the properties the default settings can be used Below only the essential settings in the properties of the sensors will be discussed 2 2 2 1 Dredge Positioning System Bucket This device driver calculates the position and the depth of the lowest point of the bucket chain with the data from the inclinometer on the ladder The first properties window s Dredge Positioning System Bucket Ef Properties Dredge Tool Type Device Offset B Length Segment 1 Sensor 1 Multiplication Factor Sensor Offset Top Bucket wheel Offset Bucket Chain Length Bucket Chain Depth Correction Bucket Chain Wheel Radius Bucket Dredge Radius ms Dred
41. ith Fixed Period a period is used and this can be defined with Time Period Only the track data that match with the specification length or period will be displayed in the plan view The user can add extra layers with to the list of layers One of the layers is the Numerics Layer With this layer items from the computations like Design Difference or Absolute Z Dredge Head can be displayed as text in the plan view PDS2000 Application Bucket Dredging ss mo m RESON Sy 5 2 4 Coverage Settings Click on in the plan view toolbar or select Coverage Settings in the context menu of the plan view to open the Coverage Settings Coverage Settings GridModel Sun illumination Data type Color table Mone 7Z Average aubocoltab_GridModel v Azimuth ez Enabled Contrast CO Difference Reference Type Offset E no Show color table Color table Difference wi Figure 5 8 Coverage Settings In the Coverage Settings the user can select if he wants to display the active grid model or the active grid model difference For the grid model the user can select the data type that has to be displayed For the data type a color table can be selected If a grid model has to be shown in the plan view check the option Grid model on top of the window Check under Grid Model the data type and select the right color table for that data type If a grid model difference has to be shown in th
42. ket chain can be displayed in a Profile Realtime Design view in the Acquisition see page 50 PDS2000 Application Bucket Dredging m m RESON wy One contour file can contain contours from different view sides for instance a top and a right side view E Vessel Contour Bucket Dredger l B Point Line Zoom View Import Mame Point X Point Y Type Pointi 1 23 054 Start af Line p Point 23 054 x 3 397184 pon Bn 23 053865 Point 4 30 092 Point S i 32 532 ISSN Pnint 5 2 32 533 Start of Line wi Pointi 2 30 092 Point amp E 29 527 Pointi9 Mame Poainti1 Figure 4 3 Example of a top view of a vessel lll Vessel Contour Bucket Chain Point Line Zoom View Import Mame Point Y Point z Tvpe Mame Pointii Pointi 1 12 529 i Start af Line Point 2 12 830 A 12 520517 Point 3 13 567 i Segen Pointt 13 569 i bont 13 866 Point 6 13 762 l Type Start of Line K Point 7 13 713 Point amp 12 525 Points 12 529 Insert Remove zr 11 2 in EL D S D ele Figure 4 4 Example of a right view of a bucket chain PDS2000 Application Bucket Dredging Vessel Configuration e 23 24 e Vessel Configuration The origin 0 0 0 of the drawing for a bucket chain should be in the centre of the bottom bucket chain wheel The negative Y axis has to go through the bucket chain point see below Bucket Chain Point
43. n the toolbar or select Coverage Setting in the context menu of the plan view to open the Coverage Settings and select the right color table for the Z Average of the grid model see page 14 Set the view in the Follow Vessel mode when the vessel is not displayed in the plan view Click on in the toolbar to set the Follow Vessel mode on PDS2000 Application Bucket Dredging m mm RESON Sy 2 3 1 1 Plan View Properties Click on in the toolbar or select Properties in the context menu to open the Properties of the plan view El Properties Mame Value Follow Vessel Enabled El Position Source Drag head Absolute Position Attach To Dredge Point S Follow Mode Relative Motion Vessel Radius 10 Off Center TS 0 000000 Orientation Mode Heading Up Fixed Skew value 30 936334 Interactive Selection Enabled Background Color Red 166 Green 202 Blue 240 Attach To Dredge Point wi Attach to Button Figure 2 12 The Properties of the Plan View General Dredge Operation view By default the item Position Source is set on the Tracking Point lf the bottom of the bucket chain has to be followed select for the Position Source the Drag head Absolute Position For the item Attach To can then the Dredge Point be selected PDS2000 Application Bucket Dredging Quick Setup Project e 13 RESON 2 3 1 2 Coverage Settings Click on in the plan view toolbar or select Cover
44. ng system is not a RIK system one or more tide gauges are used to measure tide information to calculate the absolute depth The properties window Tide gauge El Properties Tide Stations TideStation B Device Standard Deviations SDE of tide gauge m SDE of tide prediction errar m wi Lt TideStation Figure 4 17 Properties window of the Tide gauge Tide Stations Select one or more tide stations that will be used to calculate the tide correction The tide stations have to be created in the Advanced Computations see below before they can be selected here 4 2 3 Computations Page When no RTK system is used for the positioning an extra computation is needed to compute the tidal correction A Tide Computation has to be created in the Advanced Computations Click on to open the Advanced Computations PDS2000 Application Bucket Dredging Vessel Configuration e 35 l m E Advanced Computations Available computations Defined computations v Interval logging computation Y Tide Computation Line Manual Tide Computation v Offset Position Position difference Position info v Reduced depth v Reference Point Position 1027 Reference point position from Geogs v Reference point position from Grider Remote Log Control Pseudo Computation v Restricted Area v Sealevel computation Shape Position Computation Speed Tide Computation v Waupomt EI Figure 4 18 Ad
45. nt Do not change the setting for the Position Source For Attach To the user can choose between Dredge Point or Sensor Reference Point where with Dredge Point the bottom of the bucket chain is followed and with Sensor Reference Point the bucket chain point is followed When the Profile Realtime Design view is created the view is always from the Left With the item Profile View Side the view side can be changed to Right Front or Back The left Profile Realtime Design view in the example figure on page 42 is a view from the back The different ga view sides have to be made as contours in the Geometry page see page 22 The items in the Properties of the profile view will be explained below Follow Vessel If Enabled the selected attach point will always be in the centre of the view Position Source Any position source or position computation can be selected as tracking point on the vessel for the follow vessel mode ga For the Profile Realtime Design view the position source has to be Drag head Absolute Position Attach To The position source can be attached to the Dredge Point or the Sensor Reference Point Profile View Side The view side as shown in the profile view the options are Left Right Front and Back Vertical Auto Ranging If Enabled a vertical zoom extents will be active Scale Mode The display of the profile view has different scaling options Fixed Aspect Ratio Fixed Vertic
46. on Bucket Dredging Figures Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 Figure 2 12 Figure 2 13 Figure 2 14 Figure 2 15 Figure 2 16 Figure 3 1 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Figure 4 8 Figure 4 9 Figure 4 10 Figure 4 11 Figure 4 12 Figure 4 13 Figure 4 14 Figure 4 15 Figure 4 16 Figure 4 17 Figure 4 18 Figure 4 19 Example of a right view of a bucket chain ceecccccceseeeceeeceeeeeeeeeeeeeeeeeesseeseeeeeeaaseeeessaneees 4 Example of a top view of a bucket chan 4 Drawing of the bucket chain with the origin 000 5 Seille ug pago que RN TM 6 First properties window of the Dredge Positioning System Bucket 6 Drawing of the bucket chan 7 Data Source page with the depth sensor as primary data group 9 Design Model tab in the Guidance page 10 Logging page with PDS2000 Grid Model 10 Example Of a layout ini the ACQUISILIOT aser renda rude i cud Rd ave ze a sd vua 11 Plan View General Dredge Operation view with orientation mode Heading Up 12 The Properties of the Plan View General Dredge Operation view 13 Coverage Settings for the plan view 14 Profile Realtime Design view with a right view of the bucket chain grid model and designi ne el MM H
47. orrection a positive correction will make the dredge depth deeper Bucket Chain Wheel Radius The radius of the top or bottom bucket chain wheel Bucket Dredge Radius The distance from the centre of the bottom bucket chain wheel to PDS2000 Application Bucket Dredging Vessel Configuration e 27 m m m RESON Sy the edge of the bucket when it passed the bottom bucket chain wheel Effective Width The width of the bucket Dredge Head Shape Select the contour file for the bucket chain that is made in the Geometry page Wireframe If a wireframe 3D DXF file is available for the bucket chain select the DXF file for the bucket chain go In stead of the Dredge Head Shape as specified above this wireframe will then be used in the views of the Acquisition The second properties window Drag head Relative Position El Properties Apply VALI Data Disabled Dredge Relative Position Data Source Dredge Positioning Systern Bucket 1 5im Bucket Chain dredge bucket Maximurn Age VALU Data ms 1000 Figure 4 9 Second properties window of the Dredge Positioning System Bucket Apply VRU Data Disabled No Roll and Pitch applied to compute the location of the lowest point of the bucket chain This is the default setting Enabled Roll and Pitch applied to the computation Maximum Age VRU Data When the age of the latest VRU data is smaller than the number of milliseconds specified the VRU data will be applied
48. ration Condition wv Attach to Button Figure 5 10 Select Source Item for the Up Down Indicator 5 3 1 Profile Toolbar and Context Menu In the context menu of the profile view are next to the toolbar buttons some extra items added Below all the items buttons will be explained The items in the toolbar and the context menu are Zoom Functions amp A GO Zoom In Zoom Out Zoom Window and Zoom Extents The zoom window will only work when Follow Vessel is off Horizontal Zoom In Horizontal Zoom Out ni The display can be zoomed in and out only in the horizontal direction of the view These two options are only available when in the Properties of the profile view the option Scale Mode is set on Fixed Vertically or on Scale Freely see page 52 Vertical Zoom In Vertical Zoom Out The display can be zoomed in and out only in the vertical direction of the view These two options are only available when in the Properties PDS2000 Application Bucket Dredging Acquisition e 51 A amp of the profile view the option Scale Mode is set on Fixed Horizontally or on Scale Freely see page 52 Pan gt Toggles the pan option on off When pan is active keep the left mouse button in and move the mouse to pan through the data The pan option can also be switched off by clicking on the right mouse button When the pan option is switched on and the Follow Vessel is on then the Follow Vessel will be switched off
49. redging RESON E 5 2 Plan View General Dredge Operation The context menu can be opened with a right mouse click in the view The and key of the numerics keyboard can also be used for the Zoom In and Zoom Out This plan view will show the bucket dredger with the bucket chain in a top view with additional information Plan View General Dredge Operation om amhk ow Figure 5 2 Plan View General Dredge Operation view with orientation mode Heading Up When this plan view is created automatically the active grid model and the dredge layer with the bucket dredger information are loaded The first time the active grid model will be shown in black because there is no color table selected for the grid model Click on in the toolbar or select Coverage Setting in the context menu of the plan view to open the Coverage Settings and select the right color table for the Z Average of the grid model see page 49 When no color table can be selected in the Coverage Settings a color table has to be created in the Explorer before it can be used See for more information the chapter Explorer in the PDS2000 User Manual When the vessel is not displayed in the plan view then set the view in the Follow Vessel mode Click on 2 in the toolbar or select Follow Vessel in the context menu of the plan view to set the Follow Vessel mode on 5 2 1 Plan View Toolbar and Context Menu In the context menu
50. rted In the chapter Starting PDS2000 of the PDS2000 User Manual is described how to setup a project with an application type and a configuration For the new project the application type should be Bucket Dredging In this chapter the Vessel Configuration and the Acquisition will be explained in a way that an experienced PDS2000 user can setup and run a bucket dredging project For a detailed explanation of the setup see the chapters Vessel Configuration on page 21 and Acquisition on page 41 2 2 Vessel Configuration The general information about the Vessel Configuration is explained in the chapter Vessel Configuration of the PDS2000 User Manual 2 2 1 Geometry In the Geometry page the contours of the vessel and the bucket chain has to be drawn For the contours a top view and at least one side view have to be drawn The side views of all the contours should be from the same side so the vessel with the bucket chain can be displayed in a Profile Realtime Design view in the Acquisition see page 15 PDS2000 Application Bucket Dredging Quick Setup Project e 3 m E ll Vessel Contour Bucket Chain Point Line Zoom View Import Mame Point Y Point z Tvpe Mame Point Pointi 1 sl 1 259 Start of Line Pointi 12 830 1 497 2 Portz 13 567 0 995 Poink 4 13 569 0 946 Point S 13 866 0 732 Point 5 13 762 0 744 Type Poink 7 13 713 0 687 Points 12 825 687 Point 2 12 529
51. s in the context menu to open the Properties of the plan view El Properties Mame Value gt Follow Vessel Enabled B Position Source Drag head Absolute Position sc ES d e Dredge Dot E B Follow Made Relative Motion Vessel Radius 10 Off Center TS 0 000000 Orientation Mode Heading Up Fined Skew value 30 936334 Interactive Selection Enabled Background Color Red 166 Green 202 Blue 240 Attach To Dredge Point wi Attach to Button Figure 5 6 The Properties of the Plan View General Dredge Operation view The items in the Properties of the plan view are Follow Vessel The Follow Vessel mode can be switched on and off 46 e Acquisition PDS2000 Application Bucket Dredging m m RESON wy Position Source Any position source or position computation can be selected as tracking point on the vessel for the follow vessel mode By default it is set on the Tracking Point If the bottom of the bucket P chain has to be followed select the Drag head Absolute Position Attach To Select Dredge Point when as Position Source the computation Drag head Absolute Position is selected Follow Mode The follow mode is by default Relative Motion the vessel is always displayed in the center of the view Another option for the follow mode is True Motion the vessel will not stay in the center but the view will be updated when the vessel is nearly leaving the view Vessel Radius Vessel radi
52. s Signal Status Dredging and Clam Shell Closing Fill Empty Grid Model Cells Enabled The empty cells in the grid model will be filled with the depth of the bottom of the bucket chain This is the default setting Disabled No empty cells will be filled PDS2000 Application Bucket Dredging Vessel Configuration e 29 30 e Vessel Configuration 4 2 2 2 Positioning System Geogs This sensor gives a position derived from several GPS satellites If this system is not a RIK system then a depth sensor See page 33 and one or more tide gauges see page 35 have to be interfaced The first properties window ES Positioning System Geogs El Properties Name Value Device Offset 1 GP5 A UA GC imestamp Mode Time Delay sec Time Computation Source Data Source 1 Primary Datum Transformation Use project coordinate system Processing Interpolation Gap Check Enabled Maximum Gap Time 5 Device Standard Deviations SDEV of ous affset m 0 02 Timestamp Mode Computer Clack vi Figure 4 11 First properties window of the Positioning System Geogs Device Offset The offset of the GPS antenna as defined in the Geometry page Timestamp Mode In PDS2000 a time has to be attached to the received position Computer Clock The time of the computer External Clock The time from an external clock that has to be added to the equipment list Time in Message The time as is received in the data string For the bucket dredg
53. setting on O ga The next options under kalman filter settings are irrelevant for the bucket dredging Apply Heading Enabled The heading information is used for the calculation of the g reference position This is the default setting and do not change this option otherwise the reference position is calculated wrong Disabled No heading information is used Wait for Heading Data Disabled Not waiting for heading data This is the default setting Enabled PDS2000 will wait for heading data so a valid position will be calculated when heading data is available Apply VRU Data Enabled The VRU data is used for the calculation of the reference position Disabled No VRU data is used 4 2 2 3 Compass The compass is used to get a heading of the vessel The first properties window e Compass Bf Properties Time Delay sec Heading Carrectian B Processing Interpolation Gap Check Enabled Maximum Gap Time 5 B Device Standard Deviations SDEV of compass deg 0 5 Time Delay sec Figure 4 13 First properties window of the Compass Time Delay The time delay in the compass in seconds For the bucket dredging application the default setting O can be used Heading Correction The correction as derived from the compass calibration This is the misalignment between the heading of the compass and the heading of the vessel 32 e Vessel Configuration PDS2000 Application Bucket Dredging RESON x In the se
54. tion Computation Source Height Source Height Standard Deviation Mask B Kalman Filter Setting Doppler Aiding Enabled Doppler Data Source Sg Doppler Heading C O deg 0 Doppler Scale ppt 0 Maumum Age Position sec 2 Extrapolate on Heading Update Disabled Maximum Dead Reckon Time sec 60 H Apply Heading Enabled Heading Source Data Source Heading 1 Primary Maximum amp ge Heading D ata ms 2000 Figure 4 12 Third properties window of the Positioning System Geogs Height Source The source that will be used for the height computation None No height computation GPS Height RTZ When the positioning system is a RTK system the Z of the RTK will be used for the height computation Tide The tide values will be used for the height computation when in real time one or more tide gauges are connected to the system or when predicted tide data is used Height Standard Deviation Mask The maximum value for the standard deviation of the RTK Z to accept the RTK Z for the height computation If the standard deviation is more than the maximum value the height computation becomes Height Held Only valid if Height Source is set on GPS Height RTZ PDS2000 Application Bucket Dredging Vessel Configuration e 31 A Sa Kalman Filter Setting g f The kalman filter setting as used for the position calculation The default setting for the kalman filter is O Off For the bucket dredging application keep this
55. to the dredge position Only valid when the option Apply VRU Data is Enabled 28 e Vessel Configuration PDS2000 Application Bucket Dredging Bf Properties Relative Position Computation Source Drag head Relative Position Grid Model Update Mode Set Z Value Registration Value 1 Grid Model Logging Condition Always Grid Model Update Condition When Digging State Device Ss Fill Empty Grid Model Cells Enabled Reference Point Computation Data Source Position 1 Primary Dredge Production Data Source ge Dredge Status Data Source Figure 4 10 Third properties window of the Dredge Positioning System Bucket Grid Model Update Mode Select the update mode for the active grid model that is specified in the logging see page 38 The default setting Set Z Value is the best update mode for the grid model With the right update mode the grid model that is displayed in the Plan View General Dredge Operation see page 43 and in the Profile Realtime Design view see page 50 will be updated Other settings are Increment Hit Count Add Registration Value Set Registration Value Volume Update and Fixed Volume Grab Registration Value The value that will be used when the option Grid Model Update Mode is set on Add Hegistration Value or Set Registration Value Grid Model Logging Condition The logging condition for the grid model The default setting Always is the best setting for the logging condition Other settings are Statu
56. us is the minimum distance from the vessel to the edge of the view When the vessel comes in the minimum distance from the edge of the view and the follow mode is set on True Motion the view will be updated and the vessel will be placed in the center of the view The vessel radius can also be used in combination with the off center see below Off Center When the follow mode is set on Relative Motion the vessel can be displayed out of the center of the view This option can be used when the user wants to look forwards for more then a half view Enter a negative percentage and the vessel will be moved backwards in the view the data moves with the vessel With the vessel radius the distance from the edge of the view can be defined With a vessel radius of 0 and for the off center 100 or 100 the vessel is placed on the edge of the view Orientation Mode One of the three modes can be selected North Up Heading Up or Fixed Skew see page 45 Fixed Skew value A skew for the plan view can be entered This is only valid when the orientation mode is set on Fixed Skew Interactive Selection The interactive selection see page 45 can be switched on or off Background Color The background color of the plan view can be modified to any color The background color is only visible on places where no grid model is displayed PDS2000 Application Bucket Dredging Acquisition e 47 48 e Acquisition 5 2 3 Plan View Layer Control
57. us w ls VRU T TSST eu NETI Echosounder E Depth sensor 1 IHCS NETI A External clack 3 draught dps Weit O Device drivers HEI g z Bucket Chain Sim toed DGN Inclinometer sped HOT Inclinometer ted OPC De Boer Salscholver toe Sim Bucket Chain TIN Figure 4 6 Equipment page PDS2000 Application Bucket Dredging Vessel Configuration e 25 l m t Select first one of the available Groups and then select in that group one of the available device drivers Click on to add the selected driver to the list of devices on the right side In the explanations of the different drivers only the items from the g properties that are relevant for the bucket dredging application and can be set by the user will be discussed 4 2 2 1 Dredge Positioning System Bucket This device driver calculates the position and the depth of the lowest point of the bucket chain with the data from the inclinometer on the ladder The first properties window 4 Dredge Positioning System Bucket El Properties Dredge Tool Type Bucket Chain Device Offset 1 Bucket Chain Point A 0 00 B Length Segment 1 Sensor 1 Multiplication Factor Sensor 1 Offset Top Bucket heel Offset 1 Tap Bucket Wheel x 0 00 Y 13 10 2 9 40 Bucket Chain Length 53 3 Bucket Chain Depth Correction 0 Bucket Chain Wheel Radius 0 6 Bucket Dredge Radius 1 5 ms Dredge Tool Type Figure 4 7 First properties window of the Dredge Positioning S
58. vanced Computations with a tide computation Select on the left side the Tide Computation click on and the items in the properties can be set The properties of the computation i Properties Position Source Data Source Position 1 Primary Use Area Polygon Disabled Polygon Marne default B Tide Reduction Computation Mode Single Tide Station Tide Station Mame TideStation Figure 4 19 Properties window of the Tide computation Use Area Polygon Disabled No area polygon used so the tide computation is always applied This is default setting 36 e Vessel Configuration PDS2000 Application Bucket Dredging m m RESON wy Enabled Only when the vessel is inside the selected area polygon clipping polygon the tide computation is applied Polygon Name Select a clipping polygon as the area polygon The clipping has to be created in the clipping polygon editor see PDS2000 User Manual for more information before it can be selected Tide Reduction Computation Mode When only one tide station is used select the mode Single Tide Station When more tide stations are used select the mode Multiple Tide Stations or when the tide stations are along a route the mode Tide Stations Along Route Tide Stations Select the tide station s that will be used for the tide computation The tide stations have to be created in the Explorer see PDS2000 User Manual for more information before they can be selected
59. west point of the bucket chain and Z value of the design model Another option is to select the computation Absolute Z Dredge Head 1 which shows the absolute depth of the lowest point of the bucket chain This 50 e Acquisition PDS2000 Application Bucket Dredging The and key of the numerics keyboard can also be used for the Zoom In and Zoom Out RESON value is displayed in the left Profile Realtime Design view in the example of the Acquisition on page 42 Profile Realtime Design o Ses d Foreground Layers Up Down Indicator Layer wi Up Down Indicator Up Down Indicator Layer Properties Value Y Axis Range Min 10 00 Max 10 00 Span 20 00 Source Item Design Difference Sch m Pane Color Bed 1728 Green 128 Blue 128 St Above Color Bed 17 Green 174 Blue 56 St Below Color Bed 214 Green 50 Blue 50 S80 Text Color Red 0 Green 0 Blue 0 SE Background Color Red 255 Green 255 Blue 255 SSC Font Name Arial Se e Font Size 15 Font Bold Enabled Font Italic Disabled ey Absolute x Offset Point 2 Absolute Y Offset Point 2 X Absolute Z Offset Point 2 Absolute X Dredge Head 1 Absolute Y Dredge Head 1 Absolute Z Dredge Head 1 Xs Absolute Interm X Es Absolute Interm Y X Absolute Interm Z Depth Vertical Reference Heading 1 pak X Pitch 1 Es Design Z Design Difference Ope
60. ystem Bucket 26 e Vessel Configuration PDS2000 Application Bucket Dredging Bucket Chain Wheel Radius Top Bucket Chain Wheel Bucket Chain Point Bottom Bucket Chain Wheel Nel Bucket A Dredge Radius Figure 4 8 Drawing of the bucket chain Device Offset The offset of the bucket chain point as defined in the Geometry page This offset is in vessel coordinates not in bucket chain coordinates Length Segment 1 The ladder length in meters this is the length between the bucket chain point and the centre of the bottom bucket chain wheel see figure above Sensor 1 Multiplication Factor The multiplication factor for the inclinometer reading Keep this value on 1 and change it only when it is really necessary Sensor 1 Offset The offset for the inclinometer reading Use this when there is a mismatch between the angle from the inclinometer and actual angle of the ladder as measured in the inclinometer calibration see page 19 Top Bucket Wheel Offset The offset of the top bucket chain wheel as defined in the Geometry page This offset is in vessel coordinates not in bucket chain coordinates Bucket Chain Length The total bucket chain length The length can be obtained by measure the length over 5 buckets with a tape measure and divide the observation by 5 then multiply this by the number of buckets on the chain Bucket Chain Depth Correction The dredge depth can be corrected with this c

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