Two-class freeway traffic regulation to reduce congestion and emissions via nonlinear optimal control |
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| Institution: | 1. Dynamic Systems and Simulation Laboratory, Technical University of Crete, Greece;2. Department of Informatics, Bioengineering, Robotics and Systems Engineering, University of Genova, Italy;1. Key Laboratory of Road and Traffic Engineering of Ministry of Education, College of Transportation Engineering, Tongji University, Shanghai 201804, China;2. Zachry Department of Civil Engineering, Texas A&M University, College Station, TX 77840, United States;3. Wireless Network and Future Internet Research Unit, Department of Electrical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand;1. Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Italy;2. Department of Informatics, Bioengineering, Robotics and Systems Engineering, University of Genova, Italy;1. Department of Informatics, Bioengineering, Robotics and Systems Engineering, University of Genova, Italy;2. Delft Center for Systems and Control, Delft University of Technology, The Netherlands |
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| Abstract: | The objective of this paper is the regulation of freeway traffic by means of optimal control techniques. A first innovative aspect of the proposed approach is the adopted objective function in which, besides the reduction of traffic congestion (which is typically considered in traffic control schemes), the minimization of traffic emissions is also included. Moreover, a multi-class framework is defined in which two classes of vehicles (cars and trucks) are explicitly modelled, and specific control actions for each vehicle class are sought. This results in the formulation of a multi-objective optimal control problem which is described in the paper and for which a specific solution algorithm is developed and used. The algorithm exploits a specific version of the feasible direction algorithm whose effectiveness is demonstrated in the paper by means of simulation results. |
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| Keywords: | Freeway traffic control Two-class traffic model and control Ramp metering Traffic emissions |
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