Detection method for high-speed train operation dynamics performance state
A technology for traveling dynamics and high-speed trains, applied in the direction of railway vehicle testing, etc., can solve the problem of impossible to achieve complete observation of train dynamics, and achieve the effect of reliable transportation
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[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0023] Such as figure 1 As shown, the detection method of the high-speed train running dynamics performance state of the present invention combines on-site testing technology with numerical simulation technology, and specifically includes the following steps:
[0024] Step A: Establish a numerical simulation model for the detection of the dynamic state of the train, and determine the dynamic response control thresholds at each detection point of the train.
[0025] During the operation of the line, the vehicle system will be stimulated by the track roughness, which has obvious randomness, and the track roughness as the input of the system is generally given in the form of a spectrum. For rail vehicles, there is a time difference between the random roughness excitation of the same track on the front and rear wheels, and the traditional random vi...
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