| Study on Characteristic of Electric Power Assist Steering System |
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| 作者姓名： | 许镇琳 王豪 尚喆 张海华 王家军 |
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| 作者单位： | SchoolofElectricalandAutomationEngineering,TianjinUniversity,Tianjin300072,China |
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| 摘 要： | A pinion-type electric power steering (EPS) equipped on a sedan is reached in this paper. A three-freedom dynamic model of this system is created. The variables affecting assist character is analyzed. The formulas of simpled steering resistance force and the relationship between assist gain and vehicle speed are presented for the first time. Assist character is found based on the parameters of a sedan at last. This assist character is fit for the control rule of the EPS system through analyzing this character. The assist character figure offers reference for system design and control. Furthermore, this research method has generality for assist character of different kinds of vehicles.
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| 关 键 词： | 汽车 电传动辅助操纵系统 三自由度动态模型 驱动特征 |
Study on Characteristic of Electric Power Assist Steering System |
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| XU Zhen-lin,WANG Hao,SHANG Zhe,ZHANG Hai-hua,WANG Jia-jun.Study on Characteristic of Electric Power Assist Steering System[J].Transactions of Tianjin University,2003,9(3):211-213. |
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| Authors: | XU Zhen-lin WANG Hao SHANG Zhe ZHANG Hai-hua WANG Jia-jun |
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| Abstract: | A pinion-type electric power steering (EPS) equipped on a sedan is reached in this paper. A three-freedom dynamic model of this system is created. The variables affecting assist character is analyzed. The formulas of simpled steering resistance force and the relationship between assist gain and vehicle speed are presented for the first time. Assist character is found based on the parameters of a sedan at last. This assist character is fit for the control rule of the EPS system through analyzing this character. The assist character figure offers reference for system design and control. Furthermore, this research method has generality for assist character of different kinds of vehicles. |
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| Keywords: | vehicle electric power steering assist steering assist characteristic |
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