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《Acta Automatica Sinica》 2010-07
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A Model-free Periodic Adaptive Control for Freeway Traffic Density via Ramp Metering

CHI Rong-Hu1 HOU Zhong-Sheng2 1. School of Automation and Electrical Engineering, Qingdao University of Science and Technology, Qingdao 266042, P.R.China 2. Advanced Control Systems Laboratory, School of Electronics and Information Engineering, Beijing Jiaotong University, Beijing 100044, P.R.China  
In this paper, a novel model-free periodic adaptive ramp metering scheme is presented for a freeway traffic system, which can be formulated as a general MIMO nonlinear system. The proposed method is model-free in nature, and the control inputs and the pseudo Jacobi parameters are updated periodically in a pointwise manner over the entire period, by directly using the I/O data obtained in the preceding periods. The geometri- cal tracking performance is shown with rigorous analysis. The simulation results illustrate the validity of the proposed method.
【Fund】: Supported by State Key Program (60834001);; General Program (60774022 60974040) of National Natural Science Foundation of China
【CateGory Index】: U491.4
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