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Assessment of MeMS Sensors in an Urban Traffic Environment

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  • Varaiya, Pravin

Abstract

The objective of this "innovative new research topics" proposal was to investigate the potential of a vehicle detection system that combines an acoustic or magnetic sensor, a microprocessor, a radio, and a battery. If such a system is feasible, it would be a low-cost, flexible alternative to loop detection systems. The wireless sensor system could be installed in a few minutes, without the expensive loop installation that requires cutting the pavement, power and loop cabling, and extended traffic disruption. Four tasks were proposed: (1) detecting a stationary vehicle, (2) detecting a moving vehicle, (3) detecting a string of vehicles, and (4) developing a networking protocol. Successful completion of these tasks would constitute evidence that the concept is worthy of further research and development effort. All four tasks have been completed with results that exceed our prior expectations. Indeed the work done has been carried much further.

Suggested Citation

  • Varaiya, Pravin, 2004. "Assessment of MeMS Sensors in an Urban Traffic Environment," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt82p3t7gx, Institute of Transportation Studies, UC Berkeley.
    • Handle: RePEc:cdl:itsrrp:qt82p3t7gx
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    1. Cheng, Harry H. & Shaw, Ben & Palen, Joe & Hu, Xudong & Lin, Bin & Larson, Jonathan E. & Van Katwyk, Kirk, 2001. "Development and Testing of Field-Deployable Real-Time Laser-Based Non-Intrusive Detection System for Measurement of True Travel Time on the Highway," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt56r4492r, Institute of Transportation Studies, UC Berkeley.
    2. Coifman, Benjamin & Cassidy, Michael, 2002. "Vehicle reidentification and travel time measurement on congested freeways," Transportation Research Part A: Policy and Practice, Elsevier, vol. 36(10), pages 899-917, December.
    3. Cheng, Harry H. & Shaw, Ben & Palen, Joe & Lin, Bin & Hu, Xudong & Chen, Bo & Parks, Jason, 2001. "New Hardware and Software Design of a Field-Deployable Real-Time Laser-Based Non-Intrusive Detection System for Measurement of True Travel Time on the Highway," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt4t2701qf, Institute of Transportation Studies, UC Berkeley.
    4. Kwon, Jaimyoung & Varaiya, Pravin & Skabardonis, Alexander, 2003. "Estimation of Truck Traffic Volume from Single Loop Detectors Using Lane-to-Lane Speed Correlation," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt5h70x5j9, Institute of Transportation Studies, UC Berkeley.
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