| 传感器/执行器失效的电动汽车EPS鲁棒容错控制 |
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| 引用本文： | 周冰,刘海妹,冯俊萍. 传感器/执行器失效的电动汽车EPS鲁棒容错控制[J]. 科学技术与工程, 2012, 12(34): 9260-9264 |
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| 作者姓名： | 周冰 刘海妹 冯俊萍 |
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| 作者单位： | 1. 江苏技术师范学院计算机工程学院,常州,213001
2. 江苏技术师范学院机械与汽车工程学院,常州,213001 |
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| 基金项目： | 国家自然科学基金 (50875112);江苏省高校自然科学基金（11KJD580001）;汽车仿真与控制国家重点实验室开放基金（20111115）;江苏省道路载运工具新技术应用重点实验室开放基金（BM2008206010）;常州市高技术研究重点实验室项目（CM20113001）。 |
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| 摘 要： | 针对电动汽车电动助力转向(EPS)系统同时存在参数不确定性、传感器故障和执行器故障的情况,建立了EPS系统的动力学模型。设计了系统的鲁棒容错控制器。设计的控制器既保证系统在传感器和执行器正常工作及发生故障时闭环系统的完整性,又保证系统在参数不确定性下的鲁棒稳定性。对EPS系统进行容错控制,针对传感器和执行器的不同故障隶属度情况进行了仿真比较。仿真结果表明了该方法的有效性,进一步完善了EPS系统的可靠性和鲁棒性。
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| 关 键 词： | 电动汽车 电动助力转向 传感器 执行器 失效 鲁棒容错控制 |
| 收稿时间： | 2012-07-20 |
| 修稿时间： | 2012-07-20 |
Robust Fault-Tolerant Control of Electric Vehicle EPS System Under Sensor/Actuator Faults |
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| ZHOU Bing , LIU Hai-mei , FENG Jun-ping. Robust Fault-Tolerant Control of Electric Vehicle EPS System Under Sensor/Actuator Faults[J]. Science Technology and Engineering, 2012, 12(34): 9260-9264 |
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| Authors: | ZHOU Bing LIU Hai-mei FENG Jun-ping |
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| Affiliation: | 2(School of Computer Engineering1,School of Mechanical and Automotive Engineering2, Jiangsu Teachers University of Technology,Changzhou 213001,P.R.China) |
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| Abstract: | A dynamics model of the electric power steering (EPS) system was established based on the study of the robust fault-tolerant control technique for sensor and actuator failures of the EPS system with parameter uncertainty. A robust fault-tolerant controller was designed to guarantee closed-loop stability no matter whether sensors and actuators worked well, and to guarantee robust performance of the EPS system with parameter uncertainty. EPS robust fault-tolerant control simulation was performed and comparative analysis was made under different failure degrees of membership of sensors and actuators. The simulation result identified the validity of the method, and perfected the reliability and robustness of the EPS system. |
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