Volume 6 Issue 4
Aug.  2013
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SUN Shu-hong, ZHAO Chang-hai, WAN Qiu-hua, LI Yan-ru. Automatic detection system for miniature photoelectrical encoder[J]. Chinese Optics, 2013, 6(4): 600-606. doi: 10.3788/CO.20130604.0600
Citation: SUN Shu-hong, ZHAO Chang-hai, WAN Qiu-hua, LI Yan-ru. Automatic detection system for miniature photoelectrical encoder[J]. Chinese Optics, 2013, 6(4): 600-606. doi: 10.3788/CO.20130604.0600

Automatic detection system for miniature photoelectrical encoder

doi: 10.3788/CO.20130604.0600
  • Received Date: 16 May 2013
  • Rev Recd Date: 15 Jul 2013
  • Publish Date: 10 Aug 2013
  • An automatic detection system was designed to quickly and accurately detect the precision of a miniature photoelectric encoder. A 21 bit high precision photoelectric encoder was used as the reference to detect the low precision miniature photoelectric encoder. The control system was taken to rotate the encoder first, and the difference of the high precision encoder and the miniature encoder was the error of the miniature encoder. After the testing was completed, the errors of encoder were transmitted to the host computer through the USB interface to save and to perform an in-depth analysis. A 15-bit encoder was detected by using the system, the mean square deviation of the encoder is 29.1 s, however the mean square deviation of the encoder is 28.5 s when the detection is done by the traditional methods. Obtained results meet the accuracy requirements.

     

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