| 基于模型的汽车电动助力转向系统故障诊断 |
| |
| 引用本文： | 陈奇,汪金成,Qadeer Ahmed,姚志刚,陈无畏.基于模型的汽车电动助力转向系统故障诊断[J].汽车工程,2019(7):839-850. |
| |
| 作者姓名： | 陈奇 汪金成 Qadeer Ahmed 姚志刚 陈无畏 |
| |
| 作者单位： | 合肥工业大学机械工程学院;美国俄亥俄州立大学汽车研究中心;合肥工业大学车辆与交通工程学院 |
| |
| 基金项目： | 国家自然科学基金(51775158和51675151)资助 |
| |
| 摘 要： | 为实现电动助力转向系统(EPS)的状态监测和关键故障诊断,本文中引入基于模型的结构分析法(SA)故障诊断理论,结合EPS数学模型和系统关键故障,建立系统故障数学模型;利用SA方法中的系统结构表征、DM分解和故障隔离矩阵分析其故障的可检测和可隔离性,获得EPS故障诊断系统最优传感器配置,并得到5组结构最小型超定方程集(MSO sets);设计5组MSO残差,并搭建MATLAB/Simulink故障诊断系统模型,检验5组残差的信号特征和故障状态,验证EPS故障诊断设计系统的有效性,为后续的试验验证奠定基础。
|
| 关 键 词： | 电动助力转向系统 故障诊断 故障模型 结构分析 故障检测与识别系统 |
Model-based Fault Diagnosis of Automotive Electric Power Steering System |
| |
| Chen Qi,Wang Jincheng,Qadeer Ahmed,Yao Zhigang,Chen Wuwei.Model-based Fault Diagnosis of Automotive Electric Power Steering System[J].Automotive Engineering,2019(7):839-850. |
| |
| Authors: | Chen Qi Wang Jincheng Qadeer Ahmed Yao Zhigang Chen Wuwei |
| |
| Institution: | (School of Mechanical Engineering, Hefei University of Technology, Hefei 230009;Center of Automotive Research, The Ohio State University, Columbus 43212;School of Automobile and Traffic Engineering, Hefei University of Technology, Hefei 230009) |
| |
| Abstract: | Chen Qi;Wang Jincheng;Qadeer Ahmed;Yao Zhigang;Chen Wuwei(School of Mechanical Engineering, Hefei University of Technology, Hefei 230009;Center of Automotive Research, The Ohio State University, Columbus 43212;School of Automobile and Traffic Engineering, Hefei University of Technology, Hefei 230009) |
| |
| Keywords: | electric power steering fault diagnosis fault model structural analysis FDI system |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
