(HILS) Using VISSIM Tutorial
Contents
1. a Figure 10 Signal control window for VAP Add signal groups Select the Signal Groups tab as shown in Figure 10 You only need to have phases that will be configured in the controller unit If you need to add or delete a phase select an existing phase by clicking on the cell directly under the No header and right click The Add or Delete window pops up as shown in Figure 11 Then click on the New option if you need to add a phase or click on the Delete option if you need to delete a phase You do not need to fill values in any of the fields in the Signal Groups window These phase timing parameters are configured in a real traffic controller unit a Signal Groups Controller WAP SigTimThl Config LDP Config Minimum Minimum Pec Arnh Green Red Amber a fe Figure 11 Signal groups window CE 474 8 31 06 Configure signal times table The signal times table displays signal display detector status and other user defined information graphically during the simulation run as shown in Figure 12 SC 1 Signal Times Table Sle A oG 1 4 G SG 7 i 1 A 0 10 20 30 40 cO U 10 lt gt Figure 12 A sample signal times table Different colors in a signal times table have the following meanings The colors indicate the current state of the signal control The current simulation time step is on the right If detectors are shown in the signal times ta2. 1994 16 CE 474 8 31 06 southbound through is filled in as the enabled phase under the MODE row then the call to phase 5 is only delayed when phase 6 is in green Econolite ASC2 Note If you are using a PEEK LMD controller please skip this part and go to PEEK LMD Instructions The front panel of an Econolite ACS2 controller unit There are three parts on the front panel of an Econolite ACS2 controller unit The first one is the display window on the upper left of the front panel The display window can be programmed to shows phase status the reasons why phases terminate phase termination status coordination detector status and so on The second part on the front panel 1s connectors The third part on the front panel is data input keyboard which 1s composed of various keys Go over the data input keyboard and become familiar with where different keyss are located On the right side of the keyboard are numbers 0 through 9 which can be used for data entry selecting an option and placing simulated calls The 0 key can also be used to toggle between yes and no or X on and blank off The SPEC FUNC and CLEAR keys are not relevant to this laboratory Two keys are in the middle of the keyboard which are the cursor arrows key and enter key The cursor arrows key is used to control the movement and positioning of the screen cursor It also confirms a data entry similar to an enter key The enter
3. pushbutton to turn a phase on Press the PgDn pushbutton to define phase sequence and 8 Press the 2 pushbutton if you want to choose the standard NEMA dual ring phase sequence The 8 LEAD LAG option is used to define lead and lag protected left turning movements Press the 8 and PgDn pushbuttons to explore this option a ag he Phase timing Follow commands listed below 1 Press the Main Menu pushbutton Press the 2 pushbutton to select 2 PROGRAM READ MODE Press the 2 pushbutton to select 2 CONTROLLER Press the 2 pushbutton to select 2 PHASE TIMING The first line shows different phases Use arrow pushbuttons to move the cursor around 6 Press numeric pushbutton on the data input keyboard to assign values to phase timing parameters The parameters that you need to define are MGR minimum green PSG passage time YEL yellow clearance interval RED all red clearance interval MX1 maximum green 1 and Set all other parameters as zero in the PHASE TIMING command window da a monoge 15 CE 474 8 3 1 06 Detectors Options Follow commands listed below l oe a a 10 11 Press the Main Menu pushbutton Press the 2 pushbutton to select 2 PROGRAM READ MODE Press the 2 pushbutton to select 2 CONTROLLER Press the 6 pushbutton to select 6 DETE
4. Cycle Time ol Type MEN kd Offset b Z Controller MEMA SigTimTbl Config LOP Config Program File NEMA exe m Edit Parameters Data File 1 U512_35rd MSE Debug Mode L E Figure 9 Signal control window Change the controller type In the Signal Control window go to the Type field at the upper right of this window and select VAP in the pull down menu Available options at the right side of the Signal Control window changes to what is shown in Figure 10 Select the Controller VAPY option and fill in the three fields below this option 1 Click on the browse button for the Program File field and select C Program Files PTV_Vision VISSIM410 Exe cid exe 2 Click on the browse button for the Interstages File field go to the folder for this laboratory and key in US12 cid in the File name field hit the enter key and close this window 3 Click on the browse button for the Logic File field go to the folder for this laboratory and key in US12 cid in the File name field hit the enter key and close this window CE 474 8 31 06 Pa Signal Control Sle x No Marne Cycl Signal Type Nurniber Mame USI amp 3rd ii i Cycle Time O ol z Type eg z variable Offset E Signal Groups Controller WAP SigTinThl Config LOP Config wm o reef wore C O Program Mo Debug Mode iswap
5. pushbuttons to clear all controller data and press the Enter pushbutton to confirm data clearing oe ae 14 CE 474 8 3 1 06 Define phases in use and phase sequence Before programming a controller unit there are several notes that you need to be aware of Note 1 if you need help with any command press the Help pushbutton on the data input keyboard while the display window is showing that specific command Use the PgDn or PgUp to page down or up as needed After you re done with reading the help press the Help pushbutton to return to the command status Note 2 At any time press the Prior Menu to go back to the immediate upper level of command menu and press the Main Menu pushbutton to go back to the main menu Note 3 You need to press the Enter pushbutton on the data input keyboard to confirm a setting that you have defined right before leaving a command window Otherwise the last setting that you have defined will be lost Follow the instructions listed below 1 Press the Main Menu pushbutton if the display window is not showing the main menu Press the 2 pushbutton to select 2 PROGRAM READ MODE Press the 2 pushbutton to select 2 CONTROLLER Press the 3 pushbutton to select 3 PHASING SEQUENCE Use arrow pushbuttons to move the cursor among different phases Press the 1 pushbutton to turn a phase off and press the 2
6. may the following headers and indicators for timing and detector actuations below different phases T N Timing next indicators VEH C Vehicle call or vehicle phase recall PED C Pedestrian call or pedestrian phase recall T Phase timing N Phase to time next indicated during yellow and red of previous phase timing C Call from associated phase detector R Recall to an actuated phase and N Recall to a non actuated phase The following indicators for timing intervals might appear in the display window e MGRN Minimum green timer timing Advanced System Controller ASC 2 Family Programming Manual Econolite Control Products Inc 21 CE 474 8 3 1 06 MAXI Maximum timer timing YEL Yellow clearance interval timing VEXT passage timer timing RED All red clearance interval timing GRN HOLD Phase in hold in green and GRN REST Phase is rest in green Other indicators in the display window are not relevant to this laboratory Please refer to the provided Econolite controller manual for more details 22 CE 474 8 3 1 06 STEP 7 Finish the Following Tasks After Completing the Tutorial 1 Set the stop bar detector locking non locking setting to locking for the eastbound and westbound right turn lane 2 Set the detector delay for the same lane as above to zero 3 Run the simulation verifying that your changes have taken effect by viewing the animations of the simulation run You will nee
7. on the front panel the display window shows phase status detector actuations minimum green timer timing maximum green timer timing the cycle in effect and offset in effect and its timer The first row PHASE OL has different phase numbers and overlap phase letters The second row SPO indicates that the normal NEMA settings are in effect Below each phase any of the following may appear e r a phase is in red while other phases are in service R a phase is in its red clearance interval Y a phase is in its yellow clearance W a phase is in its walk interval D a phase is in its don t walk interval G a phase 1s in its green interval and N this phase is the next phase to receive service The decimal dot shown before a phase indicate detector actuations on that phase Other displayed parameters including cycle and offset are not relevant with operations of an isolated intersection You may see CKSUM FAIL on the right side of the display window which doesn t affect the HILS of this laboratory Econolite ASC2 controller unit If you press the STATUS DISPLAY key the display window shows phase status detector actuations minimum green timer timing maximum green timer timing passage timer timing coordination information priority information and other relevant information The second row shows different phase numbers The phase numbers shown directly below the PHASE label are those that are in green You
8. the five sections in the CID file is described in more detail in the following sections of the discussion Associate a VISSIM intersection with a CID and controller In the first section of a CID file SCJ Assignment SCJ number CID ID Controller Type you need to specify the following fields e SCJ number the signal control number in VISSIM for the subject intersection e CID ID the ID index for the CID in use which is displayed in red on the right side of the CID and e Controller Type the type of the controller There are four types of controllers NEMA TSI and NEMA TS2 mode 0 1 or 2 Each type of controller represents a different generation of controllers Four numbers are used to represent these four controller types separately and they are 1 2 3 and 4 respectively You need to use 1 for Controller type If the signal control number in VISSIM is 1 for the subject intersection the CID ID index is 1 and the controller type is 1 then the first section should be set as 1 1 1 as shown in Figure 4 CE 474 8 31 06 Map VISSIM phases with controller phases The second section of a CID file Phases CID ID SignalGroup ID Phase Called specifies the following e CID ID the ID index of the CID in use e SignalGroup ID the signal group number for a phase in a VISSIM intersection as the highlighted field shown in Figure 5 and e Phase Called the phase number co
9. 8 31 06 STEP 5 Run Simulation Before running the simulation you need to configure simulation parameters which include simulation time duration simulation speed and simulation resolution Go to Simulation in the main menu and click Parameters in the pull down menu The window Simulation Parameters pops up as shown in Figure 16 Fill in 900 in the third field Period Fill in 10 in the Simulation resolution field Fill in 1 in the Simulation speed field Note please do NOT change simulation speed in order to keep the VISSIM simulation and the controller unit synchronized The simulation speed needs to be 1 simulation second per second After you re done click OK to close the Simulation Parameters window And click on the play button on the toolbar to run the simulation F ia ow Simulation Parameters a im ES Comment Random Seed 100 Traffic regulations Right side Traffic O Left side Traffic Period 17400 Simulation seconds start Time 09 00 00 hh mm Start Date 7 Simulation resolution Time stepis Sim sec Controller Frequency al Fasseg l Sim SEC Random Seed simulation speed G Sim SEC l S maximum Break at g Simulation seconds Figure 16 Simulation parameters window 20 CE 474 8 3 1 06 STEP 6 View Phase Status on the Front Panel of A Controller PEEK LMD9200 controller unit If you press the Run Status pushbutton
10. CE 474 8 3 1 06 Real Time Hardware In The Loop Simulation HILS Using VISSIM Tutorial Starting VISSIM and Opening a File Click on the Windows START button go to the All Programs menu and find the PTV Vision directory Start VISSIM by selecting the executable file The following window will open on your screen JT VISSIM 4 10 13 Untitled File View Base Data Traffic Signal Control Evaluation HE ji a i M fa P im amp a q i pt 5 E gt G H Ra E System initialized Figure 1 VISSIM Window Once VISSIM is open browse to the VISSIM file US12_3rdSt inp in the directory shown to you in lab CE 474 8 31 06 STEP 1 Introduction to HILS In the last lab you practiced running the simulation of an intersection in VISSIM All the controller parameters such as minimum green time maximum green time and passage time and phase sequence are defined in the VISSIM NEMA controller editor which is an emulated controller in VISSIM This emulated controller is not the same as a real controller unit The real time hardware In The Loop Simulation HILS was developed to provide opportunities to fully test the functionality of real controller units using simulation networks VISSIM is one simulation software that supports HILS Note You need to define all controller parameters such phase timing and detector options in a real controller unit You need to define the traffic simulation network in VISSIM s
11. CTORS OPTIONS Press the 6 pushbutton to select 6 DETECTORS There are three sub commands in the DETECTORS command menu You need to use the first two sub commands to assign detectors to phases and define detector options which will be explained in the subsequent steps Press the 1 pushbutton to select 1 MEMORY CALL EXTEND There are four rows in the command menu The first row DET INP is the detector numbers The second row MEMORY defines whether a detector is configured as memory locking or non locking Press the 1 pushbutton corresponding to a detector to turn its memory off non locking and press the 2 pushbutton corresponding to a detector to turn its memory on locking The third row CALL PH defines the phase that a detector calls The fourth row EXT SW defines the phase that a detector extends or switches Note put in 0 1f no phase 1s called extended or switched The phase that a detector switches is an alternative phase that the detector extends if its extended phase is not currently on Some examples for EXT SW settings are e 0 0 no extension phase no switch phase e 1 1 normal Since the extend and switch phase are the same the detector would operate normally e 1 6 extend phase 1 if phase 1 is green Switch to phase 6 if it is green only phase 1 is not green Press the Prior Menu pushbutton to go back to the DETECTORS
12. aring oe Define phases in use and phase sequence Follow procedures listed below 1 Press the MAIN MENU key to go back to the main menu Press the 1 key to select 1 CONFIGURATION Press the 2 key to select 2 PHASES IN USE Press the cursor arrows key to move the screen cursor around Press the 0 key to toggle and turn a phase on or off Press the SUB MENU key to go back to the CONFIGURATION SUBMENU Press the 1 key to select CONTROLLER SEQ and Key in phase numbers in ring 1 R1 and ring 2 R2 corresponding to your design ee a a Phase timing Follow procedures listed below 1 Press the MAIN MENU key to go back to the main menu 2 Press the 2 key to select 2 CONTROLLER 3 Press the 1 key to select 1 TIMING DATA 4 Fill in data entry for required parameters which include a MIN GRN minimum green time b VEHI EXT passage time c MAXI maximum green time 1 d YELLOW yellow clearance interval and e RED CLR all red clearance interval 5 Set all other parameters to zero except the pedestrian clearance time PED CLR whose minimum value is 7 seconds Detectors Options Assign detector to phases 1 Press the MAIN MENU key to go back to the main menu 2 Press the 6 key to select 6 DETECTORS 3 Press the 2 key to select 2 PHASE ASSIGN 4 Pre
13. ble the following colors indicate the detector occupancy conditions gt Change from empty black line to light blue A vehicle passes the detector within one time step resulting in an impulse increase and decrease within one simulation second gt Change from dark blue to light blue A vehicle leaves the detector and a new vehicle is detected within the same time step resulting in an impulse decrease and increase within the same simulation second gt Multiple seconds of light blue multiple events similar to the color change black to light blue gt Dark blue A vehicle is detected at the end of the time step Therefore a change from empty black to dark blue represents an arriving vehicle that does not leave the detector within the same simulation second a longer dark blue bar represents a vehicle waiting on top of the detector This corresponds to the symbol in the Signal Detector record To create or edit a signal timing table file open the tab SigTimTbl Config in the Signal Control window as shown in Figure 10 The SigTimTbl Config appears as shown in Figure 13 VISSIM 4 10 User Manual PTV Vision 10 CE 474 8 31 06 Signal Groups Controller AP SigTimTbl Config LOP Config Layout of Lines Type Category 10 Sig Display 36 12 Empty Line State DET 1 Siq Display SG state DET 2 state DET State DET 3 Status 15 state DET 4 status Stage State DET 5 3 Variable state DET G stat
14. command menu Press the 2 pushbutton to select 2 DELAY STR DIS There are four rows in the command menu The first row DET INP is the detector numbers The second row DELAY is the time period in seconds during which a detector must be continuously occupied for a call to be placed on the corresponding phase The third row STR DIS defines two functions which are dependent on the detector options of a detector If the extend switch option of a detector is set as true in command 7 listed above STR DIS defines the time period during which a detector actuation pulse is retained once it is gone If a detector is set as call only then the third row STR DIS defines whether the detector responds to further vehicles once the passage timer times out on this detector You should fill in the corresponding phase number for a call only detector For the last row MODE fill in 0 to define a detector to be in the normal stretch mode and fill in 9 to define a detector to be in the disconnect mode 1 through 8 means the delay timer only times if the enabled phase for a detector is green This is usually used with a protected permissive left turning phase to enable the delay only when the opposite through phase is in green For an example if detector 5 is assigned to call northbound left turning phase and phase 6 Operation Manual LMD 9100 9200 Menu Driven Actuated controller Units Peek Traffic Systems Inc
15. controller unit This section is not needed for this laboratory CE 474 8 31 06 Controller Communication E Hx From 56 I channel to SC r channel Figure 7 Controller communication window Define data communication resolution This section Frequency defines the data communication resolution Its value should be the same as the simulation resolution defined in the Simulation Parameters window in VISSIM as shown in Figure 8 The maximum value for frequency is 10 time steps per second Simulation Parameters f OX Comment Random Seed 100 Traffic regulations Right side Traffic Left side Traffic Period 17400 Simulation seconds start Time 03 00 00 Ahern Start Date Cee MMDD Simulation resolution Time steps Sim sec Controler Frequency Passes Sim Sec Random Seed 100 Simulation speed fl Sim sec s O maximum Break at St Simulation seconds Figure 8 Simulation parameters window CE 474 8 31 06 STEP 3 Set Up a HILS Controller in VISSIM Instead of using the signal controller configured using VISSIM NEMA controller editor you need to add a new signal controller for running HILS Go to Signal Control in the main menu and click at Edit Controllers in the pull down menu The Signal Control window pops up as shown in Figure 9 Signal Control o x Ma Mame Cycl Signal Type Number Mame USI amp 3rd Si
16. d to make two simulation runs one with the detectors set to non locking and the detector delay set to a value that seems appropriate to you and the other after having made the changes described in tasks 1 and 2 4 Use the node file to access the average delays for each of the turning movements for both runs You should see that the delays are different between the two runs Explain the differences in terms of the detector settings traffic operations and the resulting controller operations 5 Evaluate the intersection detection configuration and settings as shown in VISSIM using Parsonson s six criteria 23
17. e DET 7 state DET Configuration tile W212 3rd szp Figure 13 Signal times table configuration window Two main lists are visible in the SigTimTbl Config tab One is the Layout of Lines list and the other is Type Category There is an additional list on the right side of the Type Category list The list Type Category contains all available variables that can be added to the list Layout of Lines The Layout of Lines 1s a list of all the variables that will be displayed during the simulation The additional list on the right side of the Type Category list has available records for a selected variable For example if State Det is selected in the Type Category list then the list on the right shows Det No 1 through 8 To add a new column to the list Layout of Lines select the desired record in the Type Category list and select the desired data in the neighboring list if applicable Then click on the double arrow button to add the selected variable to the Layout of Lines list If you d like to remove a line in the Layout of Lines list select the line and press Delete key on your keyboard The bottom field of the Signal Control window specifies the name and location of the configuration file szp which contains a specified layout of lines An existing configuration file automatically saves the most recently specified layout of lin
18. es after you click OK at the bottom of the Signal Control window If you need to create a new configuration file click the browse button go to a desired folder fill in a file name and click Save After you re done with configuring the signal times table click OK to close the Signal Control window 11 CE 474 8 3 1 06 Configure signal display and detector status file Configure the signal display and detector status file ldp and save the configuration as directed in the VISSIM tutorial file for laboratory 2 12 CE 474 8 31 06 STEP 4 Configure a Controller Unit You might use either one of two kinds of controller units for this laboratory One is PEEK LMD two versions 8000 and 9200 see Figure 14 and the other is Econolite ASC2 see Figure 15 These two controllers have different menus because they are from different manufacturers Please refer to relevant sections for directions for the controller unit that you are using If you are interested in finding out more details please refer to user manuals for these two controllers on line PEEK LMD and ASC 2 In this step you need to configure some controller parameters and settings They include 1 Phase parameters including minimum green time maximum green time passage time yellow clearance time and all red clearance time 2 Phasing and sequence and 3 Detectors and options Figure 14 The front panel of a PEEK LMD9200 con
19. key is used to confirm data entry or execute commands Some keys on the left side of the keyboard have the following meanings e MAIN MENU press this key to go to the main menu e SUB MENU press this key to go back to the immediate upper level command menu e DISPLAY ADJUST adjust the display contrast of the display window e STATUS DISPLAY press this key and the display window shows phase status detector actuation status the reasons why phases terminate phase termination status and other relevant information e NEXT SCREEN press this key then press the cursor arrows key corresponding to the desired direction e NEXT DATA press this key to search for non zero data and goes to that field e NEXT PAGE press this key to go to the next page Press the cursor arrows key to indicate the desired direction and e HELP press this key for help information for any command or function that is displayed in the display window Press the HELP key or CLEAR to exit the help Status Clear controller settings If clearing the controller settings is necessary then follow the procedures listed below 17 CE 474 8 3 1 06 Press the MAIN MENU key Press the 8 key to select 8 UTILITIES Press the 2 key to select MEMORY CLEAR and Press the 0 key to toggle between selecting an item to clear or not After selection press the ENTER to begin cle
20. nfigured in a controller unit corresponding to a SignalGroup ID Later in this tutorial STEP 4 shows you how to configure phases in a controller unit Each phase needs a separate line in this section of a CID file A good way to map VISSIM phases with controller phases is to follow NEMA conventions in both the VISSIM intersection and controller unit If there is an intersection with eight phases then this section of a CID file can be written as shown in Figure 4 For example defining the connection between the VISSIM signal group 2 for intersection 1 and phase 2 in the controller would be 1 2 2 Signal Head Link 2000020 Vehicle Classes Lane All Vehicle Types l 1001 Car a 1002 Truck aC ft S000 All vehicle type BOOO000 Pedestrians Signal group fs Type Or Sig Gr Label i Figure 5 Signal head window Map VISSIM detectors with controller detectors The third section of a CID file Detectors CID ID Detector Number Detector Length Channel ID specify the following e CID ID the ID index of the CID in use e Detector Number detector number for a detector in a VISSIM intersection as the highlighted field shown in Figure 6 e Detector Length the length of the subject detector as specified in the second field of the detector window as shown in Figure 6 in meters and e Channel ID the channel ID index in the CID that relays actuations on a detector in a VISSIM in
21. se and detector setup and communication channels Note CID files are text files cid which can be opened using a text editor Figure 3 shows the intersection for this laboratory The CID file shown in this tutorial corresponds to the US12 and 3 Street intersection Figure 3 US12 and 3 Street intersection Figure 4 shows the general content of a CID file which has five sections These five sections do the following associate a VISSIM intersection with a CID and controller associate phases in a VISSIM intersection with phases in a controller associate detectors in a VISSIM intersection with detectors in a controller configure communication channels and define data communication resolution as a frequency Hz a a a CE 474 8 3 1 06 FA US12 CID WordPad File Edit View Insert Format Help Cah Slo t slid Assignment SCJ number CID ID Controller Type jee Phases CID ID SignalGroup ID Phase Called le eles a 1 1 1 1 1 1 l De 1 1 1 1 1 1 1 1 4 4 4 4 4 T 7 PReRRPRFRFRrReReEA DOA mio bw N tors CID IDB Betector Number Detector Length Channel IP 029 1 029 2 029 3 029 4 029 5 029 6 029 7 1 629 6 Channels CID ID SCJ Channel ID CID Channel ID Phase Channel Direction 1 0 aes Ae seat Frequency 10 z 4 E 00 mon e a wN Peet oa om n oe PS Figure 4 A generic CID file Each of
22. ss the 0 key to assign detectors to desired phase Configure detector options 1 Press the SUB MENU key to go back to the DETECTOR SUBMENU window 2 Press the 1 key to select TYPE TIMERS Press the HELP key for definitions for each column 18 CE 474 8 31 06 3 Select detector type 0 9 under the TYPE column See class handout or press the HELP key on the keyboard for definitions for different types Note ten types of detector are available which offers many options However this is also confusing You can try the following examples to set several different types of detector e Call only select type 6 e Extend only select type 1 and input 200 seconds under the DELAY column e Extend and call select type 1 and input the extend and delay times as needed Specify a detector to be memory locking X or non locking under the LOCK column Input the extend time if needed under the EXTEND column Extend time is the time during which a call is held which begins timing when the call is dropped Input the delay time 1f needed under the DELAY column Delay is the time during which a detector must be continuously occupied before a call is placed on a phase Use the 0 key to specify whether a detector resets vehicle extension Specify actuations on a detector to be recorded in data logging under the SYSLOG ENABLE column 19 CE 474
23. tersection to a controller unit CE 474 8 31 06 Detector lenan soa seh SSS Width 6 4 ft PT Calling Pt Position amp Activation Departure Signal Other Link 1000007 At 160 151 ft Lane Before stop ft Vehicle Classes PT Lines All Vehicle Types AIL PT Lines 1001 Car 1002 Truck 2000 All vehicle types 000000 Pedestrians Figure 6 Detector window in VISSIM Configure communication channels This section Channels CID ID SCJ Channel ID CID Channel ID Phase Channel Direction 1 0 is usually used in a VISSIM programming language vehicle actuated programming VAP for providing external vehicle input and collecting traffic data Fields in the section specify the following e CID ID the ID index for the CID in use e SCJ Channel ID the signal control communication channel specified in the Controller Communication window as shown in Figure 7 In order to activate this window you can click on Signal Control in the VISSIM main menu then click on Communication in the pull down menu e CID Channel ID Phase the channel of the CID corresponding to the signal control communication channel specified in VISSIM and e Channel Direction 1 0 the input and output direction of the CID channel 1 indicates the channel is used to relay detector actuations to a controller unit 0 indicates that the channel is used to relay phase status out of a
24. troller unit 13 CE 474 8 31 06 EAT i Figure 15 The front panel of an Econolite ASC2 controller unit PEEK LMD Instructions Note if you are using an Econolite ASC2 controller please skip this part and go to Econolite ASC2 The front panel of a PEEK LMD9200 controller unit There are three parts on the front panel of a PEEK LMD9200 controller unit The first one is the display window on the upper left of the front panel The display window can be programmed to shows phase status the reasons why phases terminate phase termination status coordination detector status and so on The second part on the front panel is connectors The third part on the front panel is a data input keyboard which is composed of various pushbuttons Go over the data input keyboard and become familiar with the different pushbuttons and where they are located Note if the display window is dark press the Display Light pushbutton on the upper right side of the data input keyboard and press Display Contrast pushbutton to adjust the display contrast if necessary Clear controller settings If clearing controller settings 1s necessary follow the procedures listed below 1 Press the Main Menu pushbutton Press the 3 pushbutton to select 3 UTILITIES Press the 1 pushbutton to select 1 BACKUP CLR RESTART COPY Press the 2 pushbutton to select 2 CLEAR and Press the 1 through 5
25. uch as geometry traffic volumes and turning movements signal heads and detectors VISSIM HILS includes the controller interface device CID an actual traffic controller unit and a simulation network in VISSIM run on a computer These three devices are set up as shown in Figure 2 The CID acts as an interface between the computer running the simulation network and a real traffic controller unit It relays detector actuations from the computer to the real controller unit and relays phase status from the real controller unit to the computer It allows actual traffic controller units to replace emulated controllers in simulation models by exchanging information between simulation model and actual traffic controller unit through two way communication channels A VISSIM simulation network with multiple intersections can be connected to multiple CIDs and controller units Computer running VISSIM Controller unit e e CID simulation network Detector Detector SE i z actuations e a actuations Si F Aa ma L gie a O Phase status Figure 2 HILS setup HILS needs to be run in real time to coordinate VISSIM simulation and real controller units which means the simulation speed in VISSIM should be set as 1 simulation second per second CE 474 8 31 06 STEP 2 Write A CID File A CID file is needed in VISSIM HILS in order to associate settings in VISSIM and real controller units with each other These settings include pha
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