RESEARCH ON COORDINATED CONTROL OF THE SIX DEGREES OF FREEDOM VEHICLE MOTION SIMULATOR

Abstract

Abstract: A six degrees of freedom (6-DOF) vehicle motion simulator has been researched. The theoretic and experimental study of the servo system is done, which uses the four-way valve to control the asymmetric hydraulic cylinder. The relation among area grades of valve hatch is discussed, when the speed difference between forward and reverse motion and the pressure jump are dispelled taking into account the load. The expressions calculating area grade of asymmetric servo valve is derived. Based on above, the coordinated control to six hydraulic servo systems is researched. The result shows that the platform can smoothly move, the synergetic ability of each DOF is good and its performance meets the requirement of the vehicle motion simulation.

Key words: 6-DOF Stewart platform, Asymmetric servo valve, Coordinated control, Vehicle motion simulation

CLC Number:

TH137.32 TP271.31

Wang Xuanyin;Liu Rong;Jia Guangzheng;Cheng Jia. RESEARCH ON COORDINATED CONTROL OF THE SIX DEGREES OF FREEDOM VEHICLE MOTION SIMULATOR[J]. , 2004, 40(4): 160-163.

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RESEARCH ON COORDINATED CONTROL OF THE SIX DEGREES OF FREEDOM VEHICLE MOTION SIMULATOR

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