| 基于快速控制原型的电动助力转向系统控制研究 |
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| 引用本文： | 刘俊,陈无畏.基于快速控制原型的电动助力转向系统控制研究[J].汽车工程,2009,31(7). |
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| 作者姓名： | 刘俊 陈无畏 |
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| 作者单位： | 合肥工业大学机械与汽车学院,合肥,230009 |
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| 基金项目： | 国家自然科学基会项目 |
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| 摘 要： | 阐述了车辆电动助力转向系统(EPS)的结构与工作原理.研究了EPS系统在路面冲击下的稳定性能及控制方法,对助力电机输出电流施行模糊PID闭环反馈控制,并采用幅频复合滤波对控制信号进行滤波处理,从而进一步提高了控制效果.通过在快速控制原型平台上进行的硬件在环实时仿真表明,该方法明显改善了EPS系统的控制性能.
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| 关 键 词： | 电动助力转向 快速控制原型 模糊PID控制 幅频复合滤波 |
A Study on Electric Power Steering Control Based on Rapid Control Prototype |
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| Liu Jun,Chen Wuwei.A Study on Electric Power Steering Control Based on Rapid Control Prototype[J].Automotive Engineering,2009,31(7). |
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| Authors: | Liu Jun Chen Wuwei |
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| Institution: | Liu Jun & Chen WuweiMechanical , Automobile College,Hefei University of Technology,Hefei 230009 |
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| Abstract: | The working principle and structure of vehicle electric power steering(EPS) system are expounded.The stability performance and control method of EPS system under road impact are studied.A fuzzy-PID closed-loop feedback control is executed on the output current of assist motor,and a combined amplitude-frequency filter is adopted to perform filtering on control signals,hence further improving control effects.The results of a hardware-in-loop simulation with RCP platform show that the scheme markedly improves ... |
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| Keywords: | electric power steering RCP fuzzy-PID control combined amplitude-frequency filtering |
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