The Simulation of Non-Gaussian Vibration Environment on Railway

Juan Zhao; Da Peng Zhu

doi:10.4028/www.scientific.net/AMM.548-549.1848

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 548-549The Simulation of Non-Gaussian Vibration...

The Simulation of Non-Gaussian Vibration Environment on Railway

Abstract:

During the transportation of railway, all kinds of transportation equipment are subject to random vibration generated by random road excitation. In practice, however, a lot of vibration caused by poor environment of railway show non-Gaussian incentive features. Based on IFFT transformation-based of Gaussian random, by analyzing the relationship among phase angle, kurtosis and skewness, the paper uses the second phase modulation method to generate the non-Gaussian excitation signal with the measured vibration data in the process of train running, and then using MATLAB, this method will simulate the real railway vibration of non-Gaussian excitation signal. The simulation result provides the theory basis for the reliability verification of laboratory and shipping goods, and has a certain practical significance for the improvement of train operation safety.

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Periodical:

Applied Mechanics and Materials (Volumes 548-549)

Pages:

1848-1852

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.548-549.1848

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Online since:

April 2014

Authors:

Juan Zhao*, Da Peng Zhu

Keywords:

Non-Gaussian, Railway, Second Phase Modulation

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* - Corresponding Author

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