Investigation into Multi-Vehicle Cooperative Vehicle System Applications Utilizing Dedicated Short Range Communications (DSRC) in Complex Urban Environments, 10-R9717Printer Friendly Version
Inclusive Dates: 06/04/07 – 01/04/09
Background - The ITS America Annual Meeting and the ITS World Congress are being combined in November 2008. The major event being planned is a Vehicle Infrastructure Integration (VII) demonstration to coincide with the joint FHWA-major auto OEM's decision about moving forward with VII. More than 5,000 delegates are expected at this conference. This demonstration venue is a perfect opportunity to conduct advanced research into multi-vehicle cooperative vehicle system (CVS) applications utilizing DSRC in complex urban environments because the demonstration is to take place in downtown New York City and the Congress intends to close portions of 11th Avenue for demonstration activities. Additionally, a major investment is being made to install nearly 100 roadside units, and there will be many vehicles equipped with DSRC compatible on-board radios with which to interact. SwRI has been asked to provide technical assistance in developing the demonstration.
In this project, research will be conducted to understand the effects on the transmission of large quantities of J1939 commercial vehicle operations probe data over 5.9 GHz DSRC when the transmission is pre-empted with higher priority safety critical applications. This research will be conducted utilizing multiple vehicles that are put in close proximity to each other using a single RSE. The 2008 ITS World Congress demonstration provides a multi-vehicle test bed to conduct this research. Additionally, this project will develop and investigate the performance of certain vehicle autonomy algorithms, utilizing DSRC, for example:
Approach - This project has two research objectives. The first involves packaging the J1939 Heavy Duty Vehicle data, transmitting the data across the World Congress DSRC VII Network, and collating the probe data. The investigators will then conduct research to understand the effects on the transmission of large quantities of J1939 commercial vehicle operations probe data over 5.9 GHz DSRC when the transmission is pre-empted with higher priority safety critical applications (to be developed by other Congress demonstrators).
The second research activity involves the use of the Southwest Safe Transport Initiative (SSTI) autonomous ground vehicle and a piloted-vehicle, both equipped with DSRC radios. The investigators will analyze the performance of certain cooperative vehicle autonomy algorithms in a complex urban environment (downtown NYC). The intent of this research is to understand how the autonomous vehicle algorithms perform in an environment that is not only rich in sensor stimulus, but that is also extremely difficult for even a piloted vehicle to maneuver effectively.
Accomplishments - This project is in the early stages of development. Initially, the project investigators are focusing on the design of the heavy-duty probe data on-board system, defining the autonomous and cooperative vehicle demonstration scenarios and participants, and defining the message sets required for both systems. In conjunction with this effort, project investigators are developing the messaging framework and basic functionality intended for the DSRC radios.