| Automobile active suspension system with fuzzy control |
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| 作者姓名： | 刘少军 黄中华 陈毅章 |
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| 作者单位： | CollegeofMechanicalandElectricalEngineering,CentralSouthUniversity,Changsha410083,China |
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| 基金项目： | Project ( 2 0 0 0 0 113 1)supportedbytheFoundationofMinistryofEducationofChina |
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| 摘 要： | A quarter-automobile active suspension model was proposed. High speed on/off solenoid valves were used as control valves and fuzzy control was chosen as control method.Based on force analyses of system parts, a mathematical model of the active suspension system was established and simplified by linearization method. Simula-tion study was conducted with Matlab and three scale coefficients of fuzzy controller (kc,kcc,ku) were acquired.And an experimental device was designed and produced. The results indicate that the active suspension system can a-chieve better vibration isolation performance than passive suspension system, the displacement amplitude of automo-bile body can be reduced to 55%. Fuzzy control is an effective control method for active suspension system.
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| 关 键 词： | 螺线管 模糊控制 数学模型 活动悬浮系统 |
| 收稿时间： | 28 May 2003 |
| 修稿时间： | 26 August 2003 |
Automobile active suspension system with fuzzy control |
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| Liu Shao-jun , Huang Zhong-hua and Chen Yi-zhang.Automobile active suspension system with fuzzy control[J].Journal of Central South University of Technology,2004,11(2):206-209. |
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| Authors: | Liu Shao-jun Huang Zhong-hua and Chen Yi-zhang |
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| Affiliation: | (1) College of Mechanical and Electrical Engineering, Central South University, 410083 Changsha, China |
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| Abstract: | A quarter-automobile active suspension model was proposed. High speed on/off solenoid valves were used as control valves and fuzzy control was chosen as control method . Based on force analyses of system parts, a mathematical model of the active suspension system was established and simplified by linearization method. Simulation study was conducted with Matlab and three scale coefficients of fuzzy controller (ke, kec, ku) were acquired. And an experimental device was designed and produced. The results indicate that the active suspension system can achieve better vibration isolation performance than passive suspension system, the displacement amplitude of automobile body can be reduced to 55%. Fuzzy control is an effective control method for active suspension system. |
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| Keywords: | active suspension system fuzzy control high speed on/off solenoid valve simulation |
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