VBOX Software Manual
Contents
1. 12 Wheel SID 12 a a A 13 loko MAE 13 dy ee AVA Ag ae Peta SEES OP ATE ACE EET SC ATT 13 ee ae aPC ae SORELY ATE TRS UD CRED REDE aS OE MERE CRT SUE RED ORE RY mE ORE Cec ere ee aE 14 CORE RET SOME CEN OTS RPS RE MRE ERT TRS T IR OP RE 14 5 14 TROUBLESHOOTING icici ieee cede tee coe a eet deel a ee ed coe 14 No Satele LOCK oa a anes a Bieieas 14 No OIC OM a bali Acias Meader 14 COM POM OAV A E wad tac 14 CONTACT 16 VBOX Aquaplaning software manual version 1 1 Page 3 of 16 1 Introduction Every vehicle function that changes direction or2. e You can repeat the test simply by returning to the start area and driving again You do not need to press Run Test F3 again This allows you perform the test continuously but at different water bath entry speeds For example if the test starts at 10kmh entry speed aquaplaning may not occur in the water bath You can then simply drive back round and repeat the test again but with a 20kmh water bath entry speed and so on until aquaplaning DOES occur Entrance Wheel Slip FL Aquaplane Aquaplane Aquaplaning Speed Distance Occurred kmh rn Run 1 30 0 69 59 5 9 5 9 Run2 4 7 2 8 5 8 5 6 2 Run 2 50 0 6 1 14 5 7 1 135 4 60 0 20 0 720 0 20 0 720 0 799 Run 3 Run 6 1 runs where wheel slip threshold has not been reached these columns show speed and distance maximum wheel slip Example of tests performed at incrementing speeds until aquaplaning occurs VBOX Aquaplaning software manual version 1 1 Page 10 of 16 5 Software Functions overview When you double click the Aquaplane software icon Ul the Racelogic logo and licensee details will appear for a few seconds and then the software will open directly to the main screen as given below Software screen layout FR Racelogic Aquaplane Software COM Pork Units WheelSlip Threshold Autosave Results Auto Retest 2 4 Wheel Drive Manual bout GPS Speed Get Test Lines F1 Aquaplaning FL Wheel Speed Calibrate W
3. FR Ratio 0 i 28 100 28 200 28 300 28 400 28 500 28 600 28 700 28 800 26 900 29 000 29 100 29 200 RL Ratio Time samples RR Ratio Typical software screen shot 4WD Vehicle VBOX Aquaplaning software manual version 1 1 Page 6 of 16 4 Getting Started STEP 1 Setting up the VBOX on a Vehicle Set the up the VBOX on your vehicle as instructed in the VBOX user manual Block diagram of typical system set up GPS antenna DC Power VBCAB10 VBCAB05 CS VBCAB01 CAN module Laptop optional STEP 2 Configuring the VBOX with VBOX Tools Prior to setting up and performing the aquaplaning test the VBOX will need to be configured to ensure that it is in the correct operating mode for the test particularly important if your VBOX is used for other types of testing as well NOTE Once this is done it will not need to be repeated providing that the VBOX configuration does not get altered The following instructions should be followed using your VBOX Tools software manual as a reference e Open VBOX Tools software If your software is not registered at this point please do this in accordance with the instruction in the software manual Next click on the VBOX Set up Icon A dialogue box will open to allow you to configure the VBOX e Select Channels gt Standard and then ensure that all channels from listed from Satellites to Trigger event time are ticked for sending over serial
4. Reviewing Saved Results Because aquaplaning is a real time test there is presently no function to replay saved results in this software All data shown on screen in the results table is saved as a txt file on the PC 8 Troubleshooting No Satellite Lock Check that the antenna connection is clean and secure Check the antenna cable for any damage lf a second antenna is available use this to eliminate the possibility of an antenna fault Perform a GPS cold start and then leave the VBOX connected to the antenna and powered up in an open static position for 15 minutes No Communication If the Power LED on the VBOX is not illuminated then there is no power to the unit check that battery is charged or if using a Cigar lighter check internal cigar lighter fuse Check that the serial cable CABO1 is plugged into socket RS232 on the VBOXIII Check that the serial cable is plugged into the COM port of the PC Check that the USB cable is correctly connected if USB is being used Check that no other programs are using the same COM port Try going into VBOX Set up and then exiting again Disconnect the power to the VBOX then reconnect it COM Port Unavailable The computer may have been started with a VBOX connected to it disconnect the VBOX restart the computer then reconnect the VBOX Another software package installed on your computer may have reserved the COM port VBOX Aquaplaning software manual version 1 1 Page 14
5. speed from turning to accelerating to braking places a load on the tyres Control of this load relies on the friction between the tyre and the road surface More friction makes for a greater resistance to slipping so a reduction in friction such as in wet road conditions may lead to the driver losing control Aquaplaning by a vehicle occurs when the water between the vehicle s tyres and the road surface cannot be displaced leaving a permanent layer of water between the tyres and the road surface This causes the wheels to slip and prevents the vehicle from responding to inputs such as steering braking or accelerating As a result the vehicle can go out of control particularly if the steered wheels are involved Tyre manufacturers need to consider the ability of a tyre to remove excess water from the road surface which is a function of the vehicle speed and the tread pattern The Racelogic solution breaks the testing down into a simple calibration run immediately followed by the test run the non aquaplaning wheel speed information is stored and recalled automatically by the software for determining the point of aquaplaning The VBOX aquaplaning software is designed for use with any VBOX except the VBOX Mini and VBOX Micro Standing Water Tyre cannot displace all of the standing water on the road leaving a layer of water between it and the road surface VBOX Aquaplaning software manual version 1 1 Page 4 of 16 2 Aquaplani
6. ANE rannan oes eaavecnncddeweds danewecensgewacacaeesnes fae 9 SOFTWARE 5 11 SOR SORE N AOU a a aa a aa aan 11 1 TENS Se BOING sete caesar cot E E A aaa Seal epee E A A anak mad AE E A haces EA AEE 11 ST SIN tps acter nce 11 E EO 11 4 lot Vn tact whactelite eeacictindsh Se smate sh daslisetheaeetoanthucniacet a aa a oneness 11 5e SPEED VS IME GRAPH rocana a veut heaeatevadonaeetnnutesanaceaeek chee wedcees A 11 6 GPS SPEED WHEEL SPEED Soha tas 11 he OPERATIONAL BU TIONG S a san daneecucnweeatedeaueucechemnese cee 11 SOFTWARE CONFIGURATION AND TEST 9 12 WENU SET UP BUTTONS cain 12 12
7. It is good practice to ensure that these are also ticked for logging to compact flash e Select the Internal A D window and ensure that every box is un ticked e You will now need to configure the VBOX for the incoming wheel speed data and there are a number of set up options for this 1 If you are using a VCI enabled VBOX and reading Wheel speed information over the CAN bus e Configure each required input channel with the corresponding Vehicle can information e Ensure that the wheel speed are assigned to the first 2 or 4 channels of the VCI channels e Ensure that each required wheel speed channel is enabled for logging and transmission over serial 2 If you are using a VBOX with Wheel speed sensors 3 Connect the FIMO3 to the CAN socket of the VBOX Connect the raw wheel speed signals to the inputs of the FIMO3 VBOX Aquaplaning software manual version 1 1 Page 7 of 16 e Enter VBOX setup through VBOXTools and click on the FIMSO3 Tab e Ensure that each required wheel speed channel is enabled for logging and transmission over serial e Ensure that each required channel is set to Frequency mode Note it is not required to configure the FIMO3 channels to speed as the Aquaplane software does this automatically during the Calibration phase 3 If you are using a Non VCI enabled VBOX with CANO2 e Connect the CANO2 to the CAN socket of the VBOX Connect the Vehicle CAN bus to socket 4 of the e E
8. RACELOGIC Se VBOX AQUAPLANE SOFTWARE MANUAL VBOX Aquaplaning software manual version 1 1 Page 2 of 16 Table of Contents 9 INTRODUC TION 4 5 5 5 6 GETTING 7 STEP 1 SETTING UP THE VBOX ON A VEHICLE eacae aces Svcs Hea tues a nannan 7 STEP 2 CONFIGURING THE VBOX WITH VBOX TOOLS ccccscecececececececccecccecaccucuucuauacaucucececececececeneneneensuuaeaeass 7 STEP 3 OPENING THE AQUAPLANE SOFTWARE AND ESTABLISH COMMUNICATION cccccccccccececececececececececucecucececececes 8 STEP 4 DEFINING TEST acetoacetate es de eas 8 STEP 5 CALIBRATING THE GPS SPEED AGAINST THE WHEEL SPEED ccececececceccccccececenececececececececucucecucucucecacececes 9 STEP 6 PERFORMING THE AQUAPL
9. The VBOX aquaplaning software must be installed onto the hard drive of a computer it cannot be run from the installation CD To install the software insert the CD into the CD drive of your computer then follow the on screen instructions If you already have a DEMO version of the software installed on your PC you will not need to uninstall this After successful installation a shortcut will be added to your computers desktop The VBOX aquaplaning software is not limited to one user or computer it can be installed on more than one computer but it can only be used by the department that it is licensed to PR Racelogic Aquaplane Software ie COM Pork Units Wheel Slip Threshold 4Sutosave Results Auto Retest 2 4 WheelDrive Manual About GPS Speed Set Test Lines F1 Entrance Wheel Slip FL Speed 40 Distance Occured kmh 50 9 7 2 6 2 62 6 2 421 6 Rung 53 3 20 0 20 0 20 0 20 0 aa 4 Calibrate Wheel Speeds Cancel Test Run 3 60 0 6 1142 717135 421 5 No Esc Run4 60 5 b9 o0 59 5 9 276 9 No Run 60 0 20 0 20 0 20 0 20 0 295 0 Yes ave fesul Rung 60 1 20 0 20 0 20 0 20 0 312 4 Yes In runs where wheel slip threshold has not been reached these columns show speed and distance at F4 maximum wheel slip GPS Speed FL Wheel Speed FR Wheel Speed RL Wheel Speed FR Wheel Speed km h Clear Results F5 Clear Graph FL Ratio
10. e end of the water bath e The results are reported in real time in both numerical and graphical format The table of results reports the speed at which the water bath was entered the percentage change of wheel slip for each wheel the speed at which the point of aquaplaning occurred the total distance from the start line not start of water bath at which the point of aquaplaning occurred and a Yes no column to indicate whether the point of aquaplaning was actually reached or not e Once you have completed the test click Save Results 4 to save the results to both a txt and vbo file The txt file can be reviewed in notepad and the vbo file can be reviewed in the VBOXTools data analysis software provided with your VBOX Note if you have selected Autosave F4 Results 9see page 14 you do not need to manually save these Save Results e If for any reason during the test you want to start again you can do so by clicking Clear Results 9 or by pressing the F5 key This will return Clear Results you to the start of the test but keeps the test line conditions and GPS speed Wheel speed calibration data If Autosave Results is selected this FS data will be saved to the txt and vbo files if you want to clear the history from the graph screen you can do so by clicking Clear Graph F6 or by pressing the key This will remove all Clear Graph previous results from the graphical trace
11. heel Speeds Seer Mo F2 15 62 62 62 59 9 FR Wheel Speed 20 0 20 0 20 0 20 0 60 1 Yes Ee 4 Cancel Test 1 14 5 7 1 15 5 59 4 Mo Esc 69 59 59 5 8 59 7 No 1 20 0 20 0 20 0 20 0 60 1 Save Results 20 0 20 0 20 0 20 0 60 1 il RR Wheel Speed F4 GFS Speed FLVvheel Speed FR Wheel Speed RL Wheel Speed Clear Results RR Wheel speed F5 5 Clear Graph FL Ratio FR Ratio 6 26 100 28 200 286 300 26 400 26 500 28 600 26 700 28 600 26 900 29 000 29 100 29 200 Time samples RL Ratio RR Ratio 1 Menu set up buttons Allows the user to define all test conditions 2 Test status indicator This indicates the current status of the test in real time in both English text and in a colour coded system 3 Table of test results Results table showing run number GPS and wheel speeds with individual wheel ratios distance covered prior to aquaplaning and a simple yes no as to whether aquaplaning as defined by the ratio increase occurred at all 4 Numerical speed indicator Gives large easy to read numerical information on real time GPS speed and individual wheel speeds 5 Speed Vs Time graph Real time graphical representation of GPS speed and individual wheel speed 6 GPS Speed Wheel speed ratios Real time indication of ratio of GPS speed to wheel speed Shows ratio for each individual wheel 7 Operational buttons Click these to commence various ac
12. lines are now set You can now proceed to calibrate the GPS speed against the wheel speed STEP 5 Calibrating the GPS Speed against the wheel speed NOTE You do not need to perform the calibration run at the same speeds at which the test will be run at the calibration run is performed on a dry surface with no occurrence of wheel slip and so the ratio of GPS speed to wheel speed will be the same regardless of the speed of the vehicle To calibrate the GPS speed against the wheel speeds return to a position a little distance before the start line and either click Calibrate Wheel Calibrate Wheel Speeds Speeds from the operational buttons on the left hand side of the screen or hit F2 F2 e A dialogue box will open instructing you to Drive to Racelogic Aquaplane Software DEMO VERSION START LINE Drive to the start line and continue at a DrwetoaSTARTLINE steady speed If at any stage of the calibration run you need to abort the process you can do so by clicking Calibrating Ratio FL 124 6 Calibrating Ratio FR 124 6 Cancel 5 or by hitting the Esc key This will return Calibrating Ratio RL 124 5 you to the start of the calibration procedure Calibrating Ratio RR 124 6 e Once you have crossed the start line the message in the dialogue box will change to Calibrating Drive to END LINE Hold the vehicle speed at a constant speed and Calibrating Ratio FL 124 7 Calibrating Rati
13. ng Test Theory In order that various tyre tread patterns can be evaluated fairly aquaplaning tests will need to be performed under consistent conditions such as given below Calibration area Water bath Start Area Point of Constant speed zone Acceleration zone greatest slip variable Start Line Start of bath End Line Using the test layout given above the general procedure is as follows e Prior to test a calibration of the wheel speeds in dry conditions must be performed by driving between the start line and end line in the dry calibration area This gives a ratio of Wheel Speed against GPS speed and this ratio is saved and used to calculate the slip change between driving on a dry surface and driving on a wet surface e Return to the beginning of the test and accelerate to the required speed before reaching the start line 45mph for example e Hold this speed until the beginning of the water bath Accelerate in the water with an immediate application of full throttle until aquaplaning occurs the point of aquaplaning being defined as a pre set percentage change in the ratio of actual wheel speed against GPS speed of one or more wheels e The distance travelled in the water prior to aquaplaning combined with the speed reached at this point can then be used as a measure of the tyres resistance to aquaplaning VBOX Aquaplaning software manual version 1 1 Page 5 of 16 3 Software Installation
14. nter VBOX setup through VBOXTools and click on the VCI tab and confirm that the tab shows the serial number of your connected CANO2 e Configure each required input channel with the corresponding Vehicle can information e Ensure that the Baud rate is set correctly for the connected Vehicle CAN bus e Ensure that each required wheel speed channel is enabled for logging and transmission over serial e Select the Logging Tab and ensure that Serial o p is set to maximum for the VBOX this must be 20Hz for the VB3 If USB or Bluetooth is being used on the VB3i then the data rate will automatically be 100Hz CF log rate is set to the maximum log rate for the VBOX being used for example 100Hz VB3 VB3i 20Hz for VB2SX Log conditions is set to Log only when moving e Select the GPS Tab and ensure that Kalman filter velocity option is set to zero GPS Optimisation This should be set to high dynamics to ensure the maximum accuracy in determining the difference between wheel speed and GPS speed e Close VBOX Tools STEP 3 Opening the Aquaplane software and establish communication e Ensure VBOXTools software is closed so that it does not hold the COM port e Click on the Aquaplane Software desktop shortcut to open the software Inthe click on the COM Port drop down menu and select the correct COM port for the Aquaplane software to use STEP 4 Defining test lines e Referring to the diagram in section 2 y
15. o FR 124 7 continue driving until you have passed the end line set Calibrating Ratio RL 124 7 Calibrating Ratio RR 124 7 previously e After crossing the end line the software will calculate the ratio of GPS speed against wheel speed and store this for use during the test run Upon successful calibration the dialogue box will change to show the Calibrating Ratio FL 124 4 Calibrating Ratio FR 124 4 message Ratios Successfully Calibrated Calibrating Ratio RL 124 4 Calibrating Ratio RR 124 4 e You can now perform the aquaplane test STEP 6 Performing the aquaplane test e Once you have calibrated your wheel speeds you can proceed to perform the aquaplaning test by simply driving back round to the start Run Test area and either clicking the Run Test button or pressing F3 Upon starting the test the RUN Test F3 button will change to Cancel F3 F3 If you need to stop the test before it is completed you can use this button to do so e Drive over the start line at the required speed and hold this speed constant until you reach the start of the water bath At the start of the water bath apply full acceleration and continue driving in a straight line into the water bath VBOX Aquaplaning software manual version 1 1 Page 9 of 16 e Keep the accelerator fully depressed and continue driving in a straight line until either the point of aquaplaning is reached or you come to th
16. of 16 VBOX Aquaplaning software manual version 1 1 Page 15 of 16 9 Contact Information Racelogic Ltd Unit 10 Swan Business Centre Osier Way Buckingham MK18 1TB UK Tel 44 0 1280 823803 Fax 44 0 1280 823595 Email support racelogic co uk Web www racelogic co uk Revision Date Description 1 0 23 12 2008 First release 1 1 13 3 2008 Amendments to setup procedure VBOX Aquaplaning software manual version 1 1 Author KB Page 16 of 16
17. or two steered wheel for a 2 wheel drive vehicle or 4 driven wheels for a 4 wheel drive vehicle 2 Wheel Drive 4 Wheel Drive To choose between 2 wheel drive and 4 wheel drive select GPS Speed GPS Speed gt Auto Retest ou then click either 2 Wheel Drive or 4 Wheel Drive The selected option will then be ticked to show that it has EL heel Speed been enabled R Wheel Speed FR Wheel Speed When 2 wheel drive is enabled the numerical speed indicators will show data E for GPS Speed left L Wheel Speed and right R Wheel speed The GPS km h Speed Wheel speed ratios will be enabled for just the left and right wheels pee When 4 wheel drive is enabled the speed and ratio is displayed for all four RR Wheel Speed wheels Front Left FL Front Right FR Rear Left RL and Rear Right RR ee km h L Ratio Not Set R Ratio Not Set VBOX Aquaplaning software manual version 1 1 Page 13 of 16 Manual Clicking Manual opens a PDF copy of this user manual About Clicking About brings up the following information about the software version Racelogic contact details and PC performance Software Version 1 0 2 Build 003 Racelogic Ltd 2008 Tel 44 0 1280 823503 email vybowracelogic co uk website www racelogic co uk Processor Speed Approx 2390 0 MHz 2097757 99902344 total physical memory in kilobytes 2081456 available physical memory in kilobytes 7
18. ou will now need to set the various Sat Test lanes test points required Select Set Test Lines from the operational buttons on the left hand side of the screen or hit F1 FI e The Waiting to set START LINE dialogue box will now Racelogic Aquaplane Software DEMO VERSION be displayed Drive to the required start line and either click on the Set line Spacebar button or simply just hit the spacebar to set this start line in the software If at any stage you need to abort the process of defining the test Cancel Esc lines you can do so by clicking Cancel Esc or by hitting the Esc key This will return you to the start of set test lines procedure e Once the start line is set the dialogue box will display Racelogic Aquaplane Software DEMO VERSION Waiting to set START OF BATH so you can now proceed to define the water bath Continue driving to the start of the water bath and set this position in the software by either pressing the Set line Spacebar button or Cancel Esc hitting the Spacebar VBOX Aquaplaning software manual version 1 1 Page 8 of 16 e Once the START LINE is set the dialogue box will now ta display Waiting to set END LINE so you can now define the end of the test Continue driving to the end line and set this position in the software by either pressing the Set line Spacebar button or hitting the Spacebar i a r Cancel Esc e The test
19. tions during the test procedure VBOX Aquaplaning software manual version 1 1 Page 11 of 16 6 Software Configuration and Test Set up Before performing the test you will need to set certain parameters to suit your test requirements These are set using the various drop down menus accessed via the Menu Set up buttons Item 1 page 10 Menu set up buttons COM Port To enable communication between the PC and the VBOX you will need to define the appropriate communications port to allow the devices to talk to one another COM Port To do this select gt COM Port then choose appropriate COM port for example COM 4 Units This allows you to define the speed units in either mph km h or knots and the distance units in either metres or feet mph To select speed units select Distance P w gt Units Speed knots then click the required units To select distance units select Units Distance then click the required units Wheel Slip Threshold Wheel Slip Threshald 20 Wheel Slip Threshold This allows you to define the percentage slip to apply to the wheel speed GPD speed ratio to determine the point of aquaplaning To select distance units select gt Wheel Slip Threshold gt then manually insert the required in the white box VBOX Aquaplaning software manual version 1 1 Page 12 of 16 AutoSave Results This option allows you to automatically save the test results as a t
20. xt file when the test is complete To select Autosave results select Autosave Results Autosave Set Autosave File gt Autosave Results gt then click Autosave This option will then be ticked to show that autosave is enabled g u Select Autosave Results File When you have enabled Autosave results you will need to define where you want the results to be saved oa E mn e To define the file location select De gt Autosave Results i iis Set Autosave File _ This will then bring up the PC directory structure Navigate to where you want the results to be saved to give the txt file a name and click Save Network When the test is completed the results will automatically be saved to this file File name Save as type Text File txt Auto Retest This option allows you to repeat the test without having to press the Run Test or F3 Auto Retest button This is particularly useful if you need to repeat the test a number of times for statistical purposes The txt results file will be updataed automatically with each v Auto Retest execution of the test there is no need to save the file between runs To enable Auto Retest select gt Auto Retest gt then click Auto Retest The option will then be ticked to show that auto retest is enabled 2 4 Wheel Drive 2 4 Wheel Drive This option allows you to define whether the test is to be performed on 2 driven wheels
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