Traffic Intersection Simulation of IntelliDrive, J2735, and DSRC/WAVE with eTEXAS
Harmonia’s proposed work will be instrumental in accelerating the maturity of IntelliDrive applications that avoid intersection collisions. This proposal unlocks the storehouse of modeling detail in TEXAS under the cost-free GPL copyleft license to organizations building IntelliDrive applications for collision avoidance at intersections. We add SAE J2375 sPAT messages reporting traffic signal status, J2735 mapData messages defining intersection geometry, a reverse interface to report vehicle movement to TEXAS users, and the wireless Dedicated Short Range Communication (DSRC) channels used for transmission from traffic controllers to vehicles. We propose to catapult the TEXAS model from its roots as a mainframe batch-oriented simulation that gained a highly usable Java-based graphical user interface (GUI) into a modern 21st century tool. We will use component-based computing to restructure TEXAS as a simulation library component that can be called on to simulate vehicle movement in the next delta of time (“DT” in TEXAS terminology). The CORSIM/TSIS corridor simulation and other traffic models can then easily call TEXAS when they need microscopic simulation of a traffic intersection. Plus our approach allows automated parallel execution of multiple intersections on a network of computers in the emerging style of cloud computing (e.g., Amazon Elastic Computing Cloud (EC2), aws.amazon.com/ec2).
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Harmonia Holdings Group LLC
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