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- W2372014966 abstract "By taking a more representative high speed four axle railway passenger car system which has seventeen degrees of freedom as the research object,the creep forces and flange forces between wheels and rails in rolling contact were decided by Vermeulen-Johnson creep force law and a piecewise linear function respectively.The lateral stability and bifurcation behavior of the vehicle system running on an ideal straight and perfect track were studied by a combination of numerical methods and stability and bifurcation theory.The Hopf and saddle-node bifurcation point of the vehicle system and their transition process were obtained expediently in the results,in which the linear critical speed and nonlinear critical speed were determined.Meanwhile,the mode of oscillations of the vehicle at super-high speed has been analyzed as well.Research results show that the system turns from the simple periodic motion with single frequency into quasi-periodic motion with coupled two or even more frequencies.With the appearance of the new coupled frequencies,the vehicle system comes into chaotic motion in the end." @default.
- W2372014966 created "2016-06-24" @default.
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- W2372014966 date "2009-01-01" @default.
- W2372014966 modified "2023-09-23" @default.
- W2372014966 title "Study on Lateral Stability and Bifurcation Behavior of High-speed Railway Passenger Car" @default.
- W2372014966 hasPublicationYear "2009" @default.
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