A method for analyzing meandering motion of flexible bogie of rail vehicle
A motion analysis and rail vehicle technology, applied in the field of rail transit, can solve the problems of not considering the strong nonlinearity of the wheel tread, unable to reflect the change of the meandering frequency of the wheel set, and unable to be directly applied.
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[0065] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0066] Please refer to figure 1 , the present invention provides a flow chart of a method for analyzing the meandering motion of a flexible bogie of a rail vehicle, comprising the following steps:
[0067] S1. Establish an analysis model of the wheelset's serpentine motion with lateral movement without shaking its head;
[0068] In the embodiment of the present invention, step S1 includes the following sub-steps:
[0069] S11, please refer to figure 2 , set the angular velocity of the wheel to roll forward as ω, and the rolling velocity of the contact point of the left wheel as v l , ...
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