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ASME Press Select Proceedings
International Conference on Mechanical Engineering and Technology (ICMET-London 2011)
Editor
Garry Lee
Garry Lee
Information Engineering Research Institute
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ISBN:
9780791859896
No. of Pages:
906
Publisher:
ASME Press
Publication date:
2011

Based on wavelet transform has good time-frequency analysis character, wavelet de-noising principle and methods are introduced. Collecting acceleration response of tank when tank car is in pitch condition, using wavelet to de-noising and decompose vibration signals, extracting the low-frequency part and for its Hilbert envelope, and then, obtaining the power spectrum. The paper analyzes how liquid sloshing inside the tank impacts vibration of the car-body when the vehicle obtains an excitation. The results show that: wavelet analysis can better filter interference signal, the existence of the liquid in tank will increase vibration of the car-body, which is adverse to vehicle dynamic performance.

Abstract
Key word
Introduction
Signal De-Noising Based on Wavelet
Wavelet Analysis of Tanker Fluid-Solid Coupled Vibration Signal
Conclusion and Discussion
References
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