基于DSP技術(shù)為機(jī)車軸承設(shè)計(jì)故障診斷監(jiān)控系統(tǒng)_外文翻譯

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Abstract
　　　
　　　
The rolling bearing is one of the key parts of the locomotive running components, because it condition is directly related to the performance and safety of locomotive. In this paper, the monitor system for the locomotive bearings based on DSP TMS320LF2407A is designed. This system diagnoses the rolling bearing fault using vibration analysis method. It is based on comprehensive resonance demodulation and fast Fourier transform technique, and it adopts "related methods" to handle the result of the FFT. It effectively improves the response characteristics, sensitivity, differentiate and measurement accuracy of the bearing failure monitor system, and it can fulfill the monitor and prediction of the transient fault in the course of the locomotive running.
　　　
Key words: resonance demodulation technology; digital signal processor; related methods


摘要

滾動(dòng)軸承是機(jī)車運(yùn)行組件的關(guān)鍵部件之一,因?yàn)樗苯雨P(guān)系到機(jī)車的性能和安全。在本文章中,監(jiān)控系統(tǒng)為機(jī)車軸承基于DSP TMS320LF2407A的設(shè)計(jì)。這個(gè)系統(tǒng)使用振動(dòng)分析方法來(lái)診斷滾動(dòng)軸承的故障。它是在全面的共振解調(diào)和快速傅立葉變換技術(shù)基礎(chǔ)上,采用”相關(guān)的方法”來(lái)處理FFT的結(jié)果。它有效的提高了軸承故障監(jiān)控系統(tǒng)的反應(yīng)特性,靈敏度,辨別和測(cè)量精度,它可以預(yù)測(cè)火車頭運(yùn)行中的故障和監(jiān)測(cè)瞬態(tài)故障。
　　　
關(guān)鍵詞: 共振解調(diào)技術(shù)；數(shù)字信號(hào)處理器；相關(guān)方法