| Fuzzy Control of Semi-Active Suspension Based on 7-DOF Tracked Vehicle |
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| 作者姓名： | 张明泽 张永发 |
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| 作者单位： | School of Science Beijing Institute of Technology，School of Science，Beijing Institute of Technology，Beijing 100081，China，Beijing 100081，China |
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| 基金项目： | the Ministerial Level Foundation |
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| 摘 要： | On the basis of analyzing the system constitution of tracked vehicle semi-active suspension,which consists of electrorheological(ER) damper and shape memory alloy(SMA) spring,a seven degree of freedom(7-DOF) dynamic model is established.The change of the elasticity of SMA spring and the characteristics of the ER shock absorber are studied.In addition,the study about fuzzy control logic is also carried out.Simulation of a C grade road under random excitations and definite disturbances is performed.Simulation result shows the fuzzy control strategy,which is used in the control of semi-active suspension system with ER damper and SMA springs,is effective,stable and reliable.
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| 关 键 词： | fuzzy control electrorheological (ER) damper shape memory alloy (SMA) spring semi-active suspension |
Fuzzy Control of Semi-Active Suspension Based on 7-DOF Tracked Vehicle |
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| ZHANG Ming-ze and ZHANG Yong-fa.Fuzzy Control of Semi-Active Suspension Based on 7-DOF Tracked Vehicle[J].Journal of Beijing Institute of Technology,2008,17(1):5-9. |
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| Authors: | ZHANG Ming-ze and ZHANG Yong-fa |
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| Affiliation: | School of Science, Beijing Institute of Technology, Beijing 100081, China;School of Science, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | On the basis of analyzing the system constitution of tracked vehicle semi-active suspension, which consists of electrorheological (ER) damper and shape memory alloy (SMA) spring, a seven degree of freedom (7-DOF) dynamic model is established. The change of the elasticity of SMA spring and the characteristics of the ER shock absorber are studied. In addition, the study about fuzzy control logic is also carried out. Simulation of a C grade road under random excitations and definite disturbances is performed. Simulation result shows the fuzzy control strategy, which is used in the control of semi-active suspension system with ER damper and SMA springs, is effective, stable and reliable. |
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| Keywords: | fuzzy control electrorheological (ER) damper shape memory alloy (SMA) spring semi-active suspension |
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