High-speed train operation condition identification method
A technology for high-speed trains and operating conditions, applied in character and pattern recognition, instruments, computer components, etc., can solve the problems of incomplete separation of frequencies during signal decomposition, damage to the purity of the original signal, and Gaussian white noise. Effects of signal-to-noise separation, suppression of modal aliasing, and simple operation
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[0046] The present invention will be further described below in conjunction with the accompanying drawings.
[0047] see figure 1 , the present invention provides a method for identifying high-speed train operating conditions, including the following:
[0048] Through the dynamic simulation system, several key parts of the train and the bogie are simulated, namely, the vibration signals of the normal working condition of the bogie, the loss of air spring, the failure of the lateral shock absorber, and the instability of the anti-snake shock absorber. It mainly includes the transverse, longitudinal and vertical vibration accelerations of various parts on the car body, frame and axle box, and the vibration displacements in three directions of the car body, frame, wheelset, first series and second series. A total of 58 channels of data are obtained. , each channel represents a different sampling location on the train and bogie. Finally, the specific states of the four working c...
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