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《Journal of Aerospace Power》 2013-12
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Coordinated control of dual-channel flow-rate for fuel supply system of high-speed heat-airflow wind tunnel

CAI Chao-zhi;LI Yun-hua;TENG Feng-jian;DONG Su-jun;School of Automation Science and Electrical Engineering,Beijing University of Aeronautics and Astronautics;School of Aeronautic Science and Engineering,Beijing University of Aeronautics and Astronautics;  
In order to solve the coordinated control problem of dual-channel flow-rate in the fuel supply system of the high-speed heat-airflow wind tunnel,a coordinated controller of dual-channel flow-rate based on the cross coupling control algorithm and deriving the virtues of the sliding mode variable-structure control method and dynamic matrix predictive control was developed.Simulation results illustrate that the single-channel flow-rate controller is able to achieve a fast,no overshoot and precise control of the flow-rate,adjustment time is about 10seconds,and the control accuracy is 0.1%,and has the ability to overcome the time delay;the coordinated controller improves the dynamic track-ability of dual-channel flow-rate and the tracking error within±0.1L/min.
【CateGory Index】: V37
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