| 模糊PID控制策略在电动助力转向系统中的应用 |
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| 引用本文： | 郑建华,高占凤,吴文江.模糊PID控制策略在电动助力转向系统中的应用[J].石家庄铁道学院学报,2008,21(4):79-83. |
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| 作者姓名： | 郑建华 高占凤 吴文江 |
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| 作者单位： | [1]石家庄铁道学院计算机与信息工程分院,河北石家庄050043 [2]石家庄铁道学院工程训练中心,河北石家庄050043 |
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| 基金项目： | 河北省自然科学基金
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| 摘 要： | 助力转向控制策略是EPS系统的核心技术之一。为提高电动转向系统的动态响应速度和抗干扰能力，经分析采用模糊PID控制策略实现助力控制。模糊控制器以电流误差及误差变化率为输入，电机电压为输出，根据设定的模糊控制规则在线调整比例系数、微分系数和积分系数，以使系统性能达到预定要求。应用Matlab软件进行了计算机仿真，仿真结果表明基于模糊PID控制策略的EPS比传统PID控制具有更好的助力特性和抗干扰能力。
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| 关 键 词： | 电动助力转向 仿真 模糊控制 控制策略 |
Application of Fuzzy-PID Control Algorithm in Electric Power Steering System |
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| Zheng Jianhua,Gao Zhanfeng,Wu Wenjiang.Application of Fuzzy-PID Control Algorithm in Electric Power Steering System[J].Journal of Shijiazhuang Railway Institute,2008,21(4):79-83. |
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| Authors: | Zheng Jianhua Gao Zhanfeng Wu Wenjiang |
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| Institution: | Zheng Jianhua1,Gao Zhanfeng1,Wu Wenjiang2(1.School of Computer , Information Engineering,Shijiazhuang Railway Institute,Shijiazhuang 050043,China,2.Engineering Training Center,China) |
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| Abstract: | The control strategy is one of the core technologies in EPS system.In order to improve the speed of dynamic response and the ability of resisting disturbance of the system,fuzzy PID controller is designed after analysis,in which,the current error and the variety rate of the current error are inputs and the voltage of the motor is the output,and the proportional factor,the differential factor and the integral factor are adjusted on-line according to the performance of the system.A simulation using Matlab is ... |
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| Keywords: | electric power steering simulation fuzzy control control scheme |
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