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Vehicle suspensions performance testing system based on virtual instrument

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4 Author(s)
Yumei Liu ; Transp. & Traffic Coll., Jilin Univ., Changchun, China ; Xiaoning Cao ; Li Cui ; Wei Xiong

On the base of the vibration mechanical model and the motion equation of automobile suspension built. Analyze and bring forward the performance evaluation index of the suspension, and put forward the new testing method of the suspension performance. Using the virtual instrument technology, we develop the automobile suspension performance testing system. It adopts the PC-DAQ scheme. On the base of the original excitation suspension performance testing table we equip the table with some necessary sensors, the personal computer and the virtual software. Then the automobile suspension performance testing system is built. It can measure the absorptivity, the vibration frequency, the phase difference and the corresponding vibration waveform and so on. It also provides the foundation for the integrated estimation of the suspension performance and fault diagnosis. By testing cars in practice, the academic model is proved accurate and feasible and the testing system is exact and credible.

Published in:

Mechatronics and Automation, 2009. ICMA 2009. International Conference on

Date of Conference:

9-12 Aug. 2009