Infrared and Laser Engineering, Volume. 51, Issue 7, 20210715(2022)

Error detection system of photoelectric encoder based on optical continuous closed-loop

Kun Li1,2, Hongchang Ding1,3、*, Guohua Cao1,3、*, and Han Hou1
Author Affiliations
  • 1School of Mechanical and Electric Engineering, Changchun University of Science and Technology, Changchun 130022, China
  • 2Engineering Training Center, Changchun Institute of Technology, Changchun 130012, China
  • 3Chongqing Research Institute, Changchun University of Science and Technology, Chongqing 401135, China
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    Figures & Tables(11)
    System architecture
    Detection principle of optical continuous closed-loop. (a) Self-collimation initialization; (b) System home position; (c) Corner generation and detection; (d) Reciprocal rotation; (e) Full range detection; (f) Self-collimation restoration
    Topological structure of system
    Schematic diagram of biaxial system
    Measuring platform of rotation accuracy. (a) Radial direction; (b) Axial direction
    Curve of rotation accuracy. (a) Radial direction; (b) Axial direction
    Experimental platform of accuracy calibration
    Curve of accuracy calibration
    Experimental platform of accuracy comparison
    Comparison curves of accuracy
    • Table 1. Extreme error of turntable simulation

      View table
      View in Article

      Table 1. Extreme error of turntable simulation

      ErrorMaxErrorMaxErrorMax
      $ \Delta {\varepsilon _{x0}} $0.721″$ \Delta {\varepsilon _{x1}} $0.825″$ \Delta {\tau _{x0}} $0.025 mm
      $ \Delta {\varepsilon _{y0}} $0.952″$ \Delta {\varepsilon _{y1}} $0.986″$ \Delta {\tau _{y0}} $0.025 mm
      $ \Delta {\tau _{z1}} $$ \infty $$ \Delta {\tau _{z2}} $$ \infty $$ \Delta {\tau _{z3}} $$ \infty $
      $ \Delta {\sigma _{x1}} $$ \infty $$ \Delta {\sigma _{x2}} $$ \infty $$ \Delta {\tau _{x3}} $0.050 mm
      $ \Delta {\sigma _{y1}} $$ \infty $$ \Delta {\sigma _{y2}} $$ \infty $$ \Delta {\tau _{y3}} $0.050 mm
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    Kun Li, Hongchang Ding, Guohua Cao, Han Hou. Error detection system of photoelectric encoder based on optical continuous closed-loop[J]. Infrared and Laser Engineering, 2022, 51(7): 20210715

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    Paper Information

    Category: Photoelectric measurement

    Received: Jan. 20, 2022

    Accepted: --

    Published Online: Dec. 20, 2022

    The Author Email: Hongchang Ding (dinghc@cust.edu.cn), Guohua Cao (custcaoguohua@163.com)

    DOI:10.3788/IRLA20210715

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