| 电动助力转向系统性能优化及参数研究 |
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| 引用本文： | 陈慧鹏,陈立平,王君明.电动助力转向系统性能优化及参数研究[J].机械科学与技术(西安),2010(2). |
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| 作者姓名： | 陈慧鹏 陈立平 王君明 |
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| 作者单位： | 华中科技大学机械科学与工程学院CAD中心;湖北水利水电职业技术学院; |
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| 基金项目： | 国家自然科学基金项目(60674067);;湖北省科技攻关项目(2006AA101B13)资助 |
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| 摘 要： | 为研究电动助力转向(EPS)系统的转向特性,首先对转向柱式EPS系统进行了详细的建模。结合一个考虑悬架影响的整车动力学模型,提出了汽车转向性能的指标如转向灵敏度、稳定性和转向路感,并推导出其具体表达式。通过构造和分析转向路感优化模型,研究分析了EPS系统及整车参数对转向性能的影响。最后通过绝对灵敏度的方法,从系统稳定性角度对参数影响进行了分析。
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| 关 键 词： | 电动助力转向 转向灵敏度 稳定性 路感 |
Optimization of the Parameters and Performance of an Electric Power Steering System |
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| Chen Huipeng,Chen Liping,Wang Junming.Optimization of the Parameters and Performance of an Electric Power Steering System[J].Mechanical Science and Technology,2010(2). |
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| Authors: | Chen Huipeng Chen Liping Wang Junming |
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| Affiliation: | 1 CAD Center/a>;School of Mechanical Science and Engineering/a>;Huazhong University of Science and Technology/a>;Wuhan 430074/a>;2 Hubei Water Resource Technical College/a>;Wuhan 430070 |
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| Abstract: | To investigate the steering characteristics of an electric power steering (EPS) system,a detailed model of column-type EPS system is built firstly. Based on a full dynamic vehicle model considering the effect of suspension, the indicators of vehicle steering characteristics such as steering sensitivity,stability and steering feel,are proposed and their correct mathematic expressions are formulated. Then,the effect of the parameters of the EPS system and the vehicle on its steering performance is studied by ... |
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| Keywords: | electric power steering steering sensitivity stability steering feel |
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