| 汽车主动悬架多点预瞄控制算法设计 |
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| 引用本文： | 庄德军,喻凡,林逸.汽车主动悬架多点预瞄控制算法设计[J].中国机械工程,2006,17(12):1316-1319. |
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| 作者姓名： | 庄德军 喻凡 林逸 |
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| 作者单位： | 1. 上海交通大学振动、冲击、噪声国家重点实验室,上海,200030
2. 北京理工大学,北京,100081 |
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| 摘 要： | 设计了一种多点预瞄控制算法，并将该算法应用于具有主动悬架系统的二分之一车辆模型中。采用Pade近似算法描述路面多点预瞄信息，基于最优控制理论，对带有多点预瞄的悬架控制力进行了优化设计。在MATLAB／Simulink环境下，进行了车辆系统仿真，仿真结果显示，带有多点预瞄控制算法的车辆具有优良的行驶性能。对影响预瞄控制算法的主要参数（如顶瞄加权系数和预瞄距离等）进行了讨论。
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| 关 键 词： | 主动悬架 多点预瞄 算法 预瞄距离 |
| 文章编号： | 1004-132X（2006）12-1316-04 |
| 收稿时间： | 2005-04-12 |
| 修稿时间： | 2005-04-12 |
Design on a Multipoint Preview Control Algorithm for Active Vehicle Suspensions |
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| Zhuang Dejun,Yu Fan,Lin Yi.Design on a Multipoint Preview Control Algorithm for Active Vehicle Suspensions[J].China Mechanical Engineering,2006,17(12):1316-1319. |
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| Authors: | Zhuang Dejun Yu Fan Lin Yi |
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| Affiliation: | 1. State Key Laboratory of Vibration, Noise and Shock,Shanghai Jiaotong University, Shanghai,200030; 2. Beijing Institute of Technology, Beijing, 100081 |
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| Abstract: | A multipoint preview control algorithm was designed for vehicle active suspension systems, in which Pade approximation technique was used to represent the multipoint preview informa tion. Based on a half vehicle model and using optimal control theory, the approximately optimized control forces for front and rear suspensions were derived. The different system configurations were simulated by MATLAB/Simulink software. The results show the best overall performances of the active system with the proposed multipoint preview controller. Meanwhile, the effects of the main con- trol parameters in the algorithm, such as preview weighting parameters, preview time and preview distances, on system performances were investigated. |
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| Keywords: | active suspension multipoint preview algorithm preview distance |
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