Pseudo-excitation analysis method of riding quality for maglev vehicle

ZHOU Jing-song; LI Da-guang; SHEN Gang; REN Li-hui; ZHANG Xiang-wei

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ZHOU Jing-song, LI Da-guang, SHEN Gang, REN Li-hui, ZHANG Xiang-wei. Pseudo-excitation analysis method of riding quality for maglev vehicle[J]. Journal of Traffic and Transportation Engineering, 2008, 8(1): 5-9.

Citation:

ZHOU Jing-song, LI Da-guang, SHEN Gang, REN Li-hui, ZHANG Xiang-wei. Pseudo-excitation analysis method of riding quality for maglev vehicle[J]. Journal of Traffic and Transportation Engineering, 2008, 8(1): 5-9.

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Pseudo-excitation analysis method of riding quality for maglev vehicle

Institute of Railway and Urban Mass Transit, Tongji University, Shanghai 200092, China

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Author Bio:
Zhou Jin-song(1969-), male, PhD, associate professor, + 86-21-69584714, jinsong.zhou@mail.tongji.edu.cn
Received Date: 2007-07-12
Publish Date: 2008-02-25

Abstract

Abstract

In order to facilitate the riding quality analysis of multi-input tracked vehicle, a new analysis method was proposed based on pseudo-excitation algorithm. When vehicle system was subjected to multi-point coherent excitations, the method simplified the calculation of response PSD matrix for a MIMO(multi-input and multi-output) system into the product of two vectors, and with response PSD matrix and inverse analysis technique, the riding index of tracked vehicle can be obtained quickly. A vertical dynamics model of maglev vehicle was built based on TR08 vehicle, and its response spectrums were analyzed with the method. The Sperling index is 1.653 at the center of car body in frequency domain, the rank of riding quality is fine, the amplitude spectrum and time history of the response can be obtained by using inverse analysis technique, and the analysis procedure is convenient and fast, so the method is feasible.
- vehicle engineering,
- maglev vehicle,
- riding quality,
- pseudo-excitation analysis method

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References(11)

References

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