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		Jianhu ZHENG,Decun DONG.[en_title][J].Control Theory and Technology,2006,4(3):252~256.[Copy]

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JianhuZHENG,DecunDONG
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Received:August 16, 2005Revised:March 22, 2006

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Modeling of optimal control for urban freeway corridor under incident conditions

Jianhu ZHENG, Decun DONG

(Scholl of Transportation Engineering, Tongji University, Shanghai 200092, China)

Abstract:

Traffic control and management are effective measures to solve the problem of traffic congestion. The optimal control model for freeway corridor is developed under incident conditions, which is in the form of minimization of the sum of the square of the difference between traffic demand and capacity at each intersection and on the freeway bottleneck section. The model optimizes control parameters of phase splits at arterial intersections, off-ramp diversion rates at upstream off-ramps and on-ramp diversion rates at downstream on ramps. Finally, the objective function is discussed and it is showed that the optimal control model is simple and practical.

Key words: Freeway Optimal control Model construction Traffic corridor Traffic incident