| A tunable fuzzy logic controller for the vehicle semi-active suspension system |
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| 作者姓名： | 方子帆 DENG Zhaoxiang |
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| 作者单位： | StateKeyLaboratoryofMechanicalTransmission,ChongqingUniversity,Chongqing400044,P.R.China |
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| 基金项目： | Funded by the National Natural Science Foundation of China (NO.50135030) |
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| 摘 要： | On the basis of analyzing the system constitution of vehicle semi-active suspension,a 4-DOF(degree of freedom)dynamic model is established.A tunable fuzzy logic controller is designed by using without quantification method and taking into account the uncertainty,nonlinearity and complexity of parameters for a vehicle suspension system.Simulation to test the performance of this controller is performed under random excitations and definite disturbances of a C grade road,and the effects of time delay and changes of system parameters on the vehicle suspension system are researched.The numerical simulation shows that the performance of the designed tunable fuzzy logic controller is effective,stable and reliable.
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| 关 键 词： | 模糊逻辑控制器 汽车 半主动悬挂系统 计算机仿真 |
A tunable fuzzy logic controller for the vehicle semi-active suspension system |
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| FANG Zifan,DENG Zhaoxiang,LU haifeng State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing,P. R. China.A tunable fuzzy logic controller for the vehicle semi-active suspension system[J].Journal of Chongqing University,2002,1(2):16-19. |
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| Authors: | FANG Zifan DENG Zhaoxiang LU haifeng State Key Laboratory of Mechanical Transmission Chongqing University Chongqing P R China |
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| Institution: | FANG Zifan,DENG Zhaoxiang,LU haifeng State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,P. R. China |
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| Abstract: | On the basis of analyzing the system constitution of vehicle semi-active suspension, a 4-DOF (degree of freedom) dynamic model is established. A tunable fuzzy logic controller is designed by using without quantification method and taking into account the uncertainty, nonlinearity and complexity of parameters for a vehicle suspension system. Simulation to test the performance of this controller is performed under random excitations and definite disturbances of a C grade road, and the effects of time delay and changes of system parameters on the vehicle suspension system are researched. The numerical simulation shows that the performance of the designed tunable fuzzy logic controller is effective, stable and reliable. |
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| Keywords: | vehicle semi-active suspension system fuzzy logic control simulation |
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