The main task is to research relation of all kinds of fault models fault positions and gravity anomaly linear structure signal maximum positions.

其主要任务是研究各种断裂模型中断裂位置与重力异常线性构造信号极大值位置之间的对应关系。

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Because fault symptom space and fault space have complicated non-linear relations, the mathematical model of diagnosis system is difficult to build up.

由于故障征兆和故障类型之间常常存在复杂的非线性关系，使得诊断系统的数学模型很难获取。

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Based on the linear matrix inequality (LMI) approach, the system fault diagnosis problem can be solved by using the systems robust stability analysis method.

基于线性矩阵不等式(LMI)的方法，将故障检测问题转化为系统鲁棒稳定性的分析问题。

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