| 提高电动助力转向系统动态性能的控制策略研究及实车试验验证 |
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| 引用本文： | 孟涛,陈慧,余卓平,李莉,郑鸿云. 提高电动助力转向系统动态性能的控制策略研究及实车试验验证[J]. 中国机械工程, 2007, 18(2): 235-237,251 |
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| 作者姓名： | 孟涛 陈慧 余卓平 李莉 郑鸿云 |
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| 作者单位： | 1. 上海汽车集团股份有限公司汽车工程研究院,上海,201206
2. 同济大学,上海,200083 |
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| 摘 要： | 为了改善电动助力转向系统的动态性能，在基本助力控制的基础上引入了电机惯量补偿控制、电机阻尼补偿控制和力矩微分控制。由于电机惯量补偿控制和电机阻尼补偿控制中都需要用到电机转速信号，因此又给出了一种电机转速观测器模型。实车试验的结果验证了上述控制策略能够有效地改善电动助力转向系统的动态性能，能减小转向盘力矩的振荡和超调量，所使用的电机转速观测器的精度基本能够满足控制系统的要求。
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| 关 键 词： | 电动助力转向系统 动态性能 控制策略 实车试验 |
| 文章编号： | 1004-132X（2007）02-0235-03 |
| 修稿时间： | 2005-09-21 |
Study on the Control Strategy to Improve Dynamic Characteristics of Electric Power Steering and Vehicle Test |
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| Meng Tao,Chen Hui,Yu Zhuoping,Li Li,Zheng Hongyun. Study on the Control Strategy to Improve Dynamic Characteristics of Electric Power Steering and Vehicle Test[J]. China Mechanical Engineering, 2007, 18(2): 235-237,251 |
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| Authors: | Meng Tao Chen Hui Yu Zhuoping Li Li Zheng Hongyun |
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| Affiliation: | 1. Automotive Engineering Academy of SAIC Motor Co. Ltd. ,Shanghai,201206 2. Tongji University, Shanghai, 200083 |
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| Abstract: | The control strategy to improve the dynamic characteristics of electric power steering system was stated. In addition to base assist control, motor inertia compensation control, motor damping compensation control and torque differential control were conducted. And a motor rotation speed observer was also introduced. The results of vehicle test prove the validity of the control strategy. |
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| Keywords: | electric power steering dynamic characteristics control strategy vehicle test |
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