Mining drill fault intelligent identification method
An intelligent identification and drilling rig technology, applied in the field of intelligent diagnosis, can solve problems such as the inability to meet the needs of modern production of mining rigs, and achieve the effects of good real-time performance, high diagnosis accuracy and comprehensive diagnosis.
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[0024] The present invention will be further described below in conjunction with the accompanying drawings.
[0025] Such as figure 1 As shown in Fig. 1, an intelligent fault identification method for mining rigs mainly includes two parts: primary diagnosis based on signal processing and secondary diagnosis based on hybrid intelligence. In the primary diagnosis based on signal processing, the state data of the drilling rig is first collected as input, and then the noise signal in the state data is eliminated by wavelet packet analysis and empirical mode decomposition, the fault information is extracted, and the time-domain statistical characteristics of the original signal and the decomposed signal are calculated and frequency domain statistical characteristics, and preliminarily judge whether the drilling rig is faulty or not according to the characteristic values. In the secondary diagnosis based on hybrid intelligence, all the features of the primary diagnosis are used to ...
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