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双线性检测滤波器及其故障可检测条件
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2009-06-25
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研究了双线性检测滤波器的故障可检测条件. 设计了一种检测滤波器,并得到了其故障完全可检测的严格条件. 结果表明要使检测滤波器故障完全可检测,系统独立的传感器和独立的状态数至少和系统故障种类相同.这个结果符合线性空间的性质. 最后利用所构造的滤波器分析了算例.
关键词: 双线性系统; 检测滤波器; 故障可检测性
Abstract : The fault detectability condition of bilinear detection filter , a class of nonlinear system , is investigated. A de2 tection filter is designed , and its fault complete detectability condition is obtained. The result indicates that , to make the system faults completely detectable , the system must be of the same number of sensors and independent system states as that of system faults . According to linear space characters , the result is correct . An example is presented for detection filter at last .
Key words : bilinear system; detection filter ; fault detectability ;
关键词: 双线性系统; 检测滤波器; 故障可检测性
Abstract : The fault detectability condition of bilinear detection filter , a class of nonlinear system , is investigated. A de2 tection filter is designed , and its fault complete detectability condition is obtained. The result indicates that , to make the system faults completely detectable , the system must be of the same number of sensors and independent system states as that of system faults . According to linear space characters , the result is correct . An example is presented for detection filter at last .
Key words : bilinear system; detection filter ; fault detectability ;
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