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In order to improve precision of fault diagnosis which based on artificial immune system, a kind of fault diagnosis algorithm based on immune danger theory was presented. The algorithm can make judgment according to whether existing danger signals and reduce false rate. The algorithm also can adjust databases online. The algorithm was applied to automobile axle driving fault diagnosis. the result...
In this paper, we study how to use the stochastic resonance principle to detect the weak intermediate and low frequency signals under the condition of intensive noise in mechanical fault diagnosis. According to the relationship among system outputs, system parameters and input signals, we've studied the algorithm and the technology of the software self-adaptive control of the nonlinear bistable system...
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