| 汽车轮缸压力传感器故障重构方法研究与仿真 |
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| 引用本文： | 曹薇华,刘志远.汽车轮缸压力传感器故障重构方法研究与仿真[J].系统仿真学报,2010(11). |
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| 作者姓名： | 曹薇华 刘志远 |
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| 作者单位： | 哈尔滨工业大学控制科学与工程系,哈尔滨150080; |
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| 摘 要： | 针对汽车液压制动系统中轮缸压力传感器的故障重构问题,建立了汽车液压制动系统的轮缸压力非线性模型。在此基础上,给出了一种基于滑模观测器的轮缸压力传感器故障重构方法,并将滑模观测器的设计问题转化为LMI求解问题。最后对轮缸压力传感器断路故障进行了仿真研究,讨论了不同增益对故障估计的影响。Abstract：A fault reconstruction scheme based on the sliding mode observer was proposed for the fault reconstruction of the wheel cylinder pressure sensor in the vehicle hydraulic braking system, as well as a nonlinearity model of the wheel cylinder in the hydraulic braking system. Furthermore, the design of the sliding-mode observer was converted to the solving of the LMI. In conclusion, the wheel cylinder pressure sensor open circuit fault simulation experiment and the influence on fault estimation over the different gain were proposed.
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| 关 键 词： | 汽车液压制动系统 非线性 建模 故障重构 |
Research and Simulation on Fault Reconstruction for Wheel Cylinder Pressure Sensor of Vehicle |
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| CAO Wei-hua,LIU Zhi-yuan.Research and Simulation on Fault Reconstruction for Wheel Cylinder Pressure Sensor of Vehicle[J].Journal of System Simulation,2010(11). |
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| Authors: | CAO Wei-hua LIU Zhi-yuan |
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| Abstract: | A fault reconstruction scheme based on the sliding mode observer was proposed for the fault reconstruction of the wheel cylinder pressure sensor in the vehicle hydraulic braking system, as well as a nonlinearity model of the wheel cylinder in the hydraulic braking system. Furthermore, the design of the sliding-mode observer was converted to the solving of the LMI. In conclusion, the wheel cylinder pressure sensor open circuit fault simulation experiment and the influence on fault estimation over the different gain were proposed. |
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| Keywords: | hydraulic braking system of vehicle nonlinearity modelling fault reconstruction |
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