| 电动助力转向系统的回正与主动阻尼控制策略研究 |
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| 引用本文： | 孟涛,陈慧,余卓平,李莉. 电动助力转向系统的回正与主动阻尼控制策略研究[J]. 汽车工程, 2006, 28(12): 1125-1128,1061 |
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| 作者姓名： | 孟涛 陈慧 余卓平 李莉 |
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| 作者单位： | 上海汽车集团股份有限公司汽车工程研究院,上海,201206;同济大学汽车学院,上海,201804 |
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| 基金项目： | 上海市科委基金项目(03dz11011)资助。 |
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| 摘 要： | 针对配备电动助力转向系统的车辆低速时回正性差,而中高速时又容易出现回正超调的现象,提出了一种新型的回正与主动阻尼控制策略。该控制策略以功能原理为理论基础,可以随车速和转向盘转角的不同而调整回正力矩或阻尼力矩的大小。实车试验的结果证明,该控制策略能够改善车辆低速时的回正性,抑制车辆中高速时的回正超调现象,并且在施加了回正与主动阻尼控制后,驾驶员的操纵手感没有受到不良的影响。
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| 关 键 词： | 电动助力转向系统 回正控制 主动阻尼控制 |
| 收稿时间： | 2005-10-08 |
| 修稿时间： | 2005-10-082006-01-16 |
A Study on the Control Strategy for Wheel Return and Active Damping of Electric Power Steering System |
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| Meng Tao,Chen Hui,Yu Zhuoping,Li Li. A Study on the Control Strategy for Wheel Return and Active Damping of Electric Power Steering System[J]. Automotive Engineering, 2006, 28(12): 1125-1128,1061 |
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| Authors: | Meng Tao Chen Hui Yu Zhuoping Li Li |
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| Affiliation: | 1. Automotive Engineering Academy of SMC Motor, Shanghai 201206; 2. College of Automobile, Tongji University, Shanghai 201804 |
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| Abstract: | A new control strategy for wheel return and active damping is proposed to improve the returnability of electric power steering system.Based on the principle of work and energy,the control strategy can change the aligning torque or damping moment according to the vehicle speed and the steering wheel angle.The results of vehicle test show that the control strategy can improve the wheel returnablity at low speed and restrain the aligning overshoot at medium and high speed without any adverse effect on driver's steering feel. |
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| Keywords: | Electric power steering system Aligning control Active damping control |
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