Automatic Non Destructive Testing System of Pole Coil＇s Internal Defect in Large-scale Motor Based on DSP
The empty voice detection of large-scale motor＇s pole coil in motormaker adopted artificial listening methods, which has many human factors. According to the acoustic characteristics differences in large-scale motor between non internal defects and internal defects pole coil, the paper designed a NDT （non destructive testing） system of pole coil in large-scale motor based on TMS320F2812 DSP. The system included knocking system ,signal acquisition system and DSP system. Through analog simulation and local hardware test to hardware circuit, the paper finished hardware platform development and application software, which realized on-line NDT of pole coil＇s internal defect.
About Author:
Author: QUAN Li, HU Hai-bin, WEI Jun-jun, ZHA Jing-zhouPublisher: College of Electronic And Information Engineering, Jiangsu University, Zhenjiang 212013, China
Keywords:TMS320F2812 , DSP, large scale motor , pole coil , signal processing , NDT （ non destructive testing）
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