Intelligent fault diagnosis method for numerical control machine
A fault diagnosis, CNC machine tool technology, applied in the direction of program control, computer control, general control system, etc., to achieve the effect of high diagnosis rate, low misjudgment rate, and strong fault diagnosis ability
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[0041] The present invention will be further described in detail below with reference to the drawings and specific embodiments.
[0042] Such as Figure 1-3 As shown, the present invention provides an intelligent fault diagnosis method for CNC machine tools, which includes the following steps:
[0043] (1) Determine the fault characteristic parameter set, fault type set and sample set;
[0044] According to the occurrence mechanism and characteristics of CNC machine tool component failures, the present invention takes the temperature of the CNC machine tool, the output of the detection element, high and low voltage current, vibration frequency, noise intensity and servo control output voltage as the fault characteristic parameters. The present invention uses a vector R to represent the fault characteristic parameter set, then ,among them There are six fault characteristic parameters.
[0045] According to the common fault characteristics of CNC machine tools, the present invention c...
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