Controller Interface Device (CID)
The controller interface device is a tool that allows traffic controllers to communicate with simulations running on typical desktop PCs. For HILS to function properly all of the following three relationships must be met:
Each intersection that will be modeled with HILS must be assigned to a controller.
NEMA phase numbers must be assigned to each traffic movement at the modeled intersection so that information from the controller will be translated correctly.
Type of control for left turn movements (Permitted, Protected, or Protected and Permitted) must be specified, so that CORSIM will know how to interpret the left turn control signals from the controller.
These relationships are made through the CID Configuration Tool. The basic steps are as follows:
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Open the CID Configuration Tool (Usually under Start - Programs - McCain/NIATT CID II)
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Open the "*.trf" file of interest
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Follow the following steps for each node that will be assigned a CID:
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Select a node to be assigned to a CID
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In the "CID Intersection Data" screen specify:
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Phase assignments to each vehicle turning movement and pedestrian movement
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Define the type of left turn phasing (Protected, Perm, or PP)
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Specify the controller type (NEMA TS1)
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Save the *.CID and *.TRF files, saying yes to all prompts.
- Now that the relationships have been established, run the new "*.trf" file by pressing the "CID Real-Time Simulation" button in TSIS (not the CORSIM simulation button.) Make sure that the controller(s) have been properly programmed or your simulation will be very congested.
