基于闪存的汽车EPS电动助力转向系统故障容错设计 |
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引用本文: | 袁伟,田大庆.基于闪存的汽车EPS电动助力转向系统故障容错设计[J].装备制造技术,2009(1). |
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作者姓名: | 袁伟 田大庆 |
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作者单位: | 四川大学,制造科学与工程学院,四川,成都,610065 |
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摘 要: | 为提高汽车电动助力转向系统(EPS)的可靠性与故障容错性,提出了将闪存应用到EPS电动助力转向系统中,以提高EPS助力系统可靠性的问题.传感器正常工作时,在闪存中存储了汽车运行状态的传感器数据;传感器失效时,则从闪存中的数据库中得出与当前汽车运行状态相近的数据,提供给ECU,实现EPS系统性能不因传感器失效而丢失,以此提高EPS系统的可靠性.
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关 键 词: | 闪存 EPS 电动助力转向系统 SQLite 单片机 可靠性 故障容错 |
The Design of Electric Power Steering System Malfunction Concession with Flash Memory |
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Authors: | YUAN Wei TIAN Da-qing |
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Affiliation: | Sichuan University;School of Manufacturing Science and Engineering;Chengdu 610065;China |
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Abstract: | To enhance the reliability and Malfunction Concession of Electric Power Steering System,bring forward the Flash Memory into Electric Power Steering System,The programme store the dada into Flash Memory when all sensors are normal.The Flash Memory supply the analogical data when some sensors are malfunction,offer to the ECU.Make the Electric Power Steering System still work as some sensors are malfunction,to enhance the reliability of EPS system. |
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Keywords: | Flash Memory EPS SQLite SCM Reliability Malfunction Concession |
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