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Order Tracking of Speed-Up Signals for Gearbox Based on TMS320C5402

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4 Author(s)
Wen Zheng-gang ; Dept. of Artillery Eng., Ordnance Eng. Coll., Shijiangzhuang, China ; Luan Jun-ying ; Yang Tongqiang ; Li Yong-hua

In the analysis of the non-stationary vibration signals during speed-up and speed-down, the real state can not be reflected by the traditional spectral analysis because of the "frequency smear" phenomenon; At the same time, the conventional method of acquiring the rotating speed has the problem of the interpolatation errors and influence the effect of order analysis. To solve the above problems, computed order tracking based on DSP (Digital Signal Processor) is used in this paper. Precision measurement of the speed signal is realized with precision timing of TMS320C5402, while the vibration signal acquisition is completed with the McBsp(Multi-channel Buffered Serial Port) simultaneously. And real-time order tracking based on DSP is achieved. Finally, the validity of the method is testified through the experiment on the launching signal of a certain self-propelled gun gearbox.

Published in:

Pervasive Computing Signal Processing and Applications (PCSPA), 2010 First International Conference on

Date of Conference:

17-19 Sept. 2010