Distributed Link-Layer Control for Automated Highway Systems

[+] Author and Article Information
Huei Peng

Department of Mechanical Engineering and Applied Mechanics, University of Michigan, Ann Arbor, MI 48109-2125

J. Dyn. Sys., Meas., Control 119(2), 192-197 (Jun 01, 1997) (6 pages) doi:10.1115/1.2801232 History: Received August 23, 1995; Online December 03, 2007


The modeling and design of a link-layer control algorithm for automated highway systems are presented in this paper. Link-layer control systems address the coordination of traffic on a stretch of highway, and serve as the intermediate layer between traffic management (ATMS) and vehicle control (AVCS) systems. The key role of the link layer control system is to use macroscopic traffic information for improved traffic flow. A distributed control algorithm is developed based on optimal control theory. The proposed control law is implemented in a simulation program which keeps track of the motions of each individual vehicles on the highway. Simulation results under three perturbed conditions—uneven traffic distribution, broken vehicle, and traffic merging—are presented.

Copyright © 1997 by The American Society of Mechanical Engineers
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