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Undercutter Automatic Positioning Based on Absolutely Encoded System and Linear CCD Acquisition

Wang Yang Qiu Cheng Zhang Zhanjun Zhu Hengjun(School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044)  
Based on the analysis of the structure characteristics of the traction motor and the existing positioning systems,the paper presented a new approach that the sensor scans the surface of the commutator intermittently, the armature isnot moved during the operation process, utilizing high precision absolutely encoded system and a linear array CCDacquisition to position the mica segments accurately.
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