• Optics and Precision Engineering
  • Vol. 32, Issue 5, 635 (2024)
Huining ZHAO1,2,*, Jie WEN1,2, and Haojie XIA1,2,*
Author Affiliations
  • 1School of Instrument Science and Opto-electronics Engineering, Hefei University of Technology, Hefei230009, China
  • 2Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, Hefei30009, China
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    DOI: 10.37188/OPE.20243205.0635 Cite this Article
    Huining ZHAO, Jie WEN, Haojie XIA. High-precision angle measurement based on two-dimensional hybrid position encoding[J]. Optics and Precision Engineering, 2024, 32(5): 635 Copy Citation Text show less
    Two-dimensional hybrid position coding disk[28]
    Fig. 1. Two-dimensional hybrid position coding disk28
    Flow chart of decoding
    Fig. 2. Flow chart of decoding
    Schematic diagram of measuring angle system based on two-dimensional hybrid position encoding
    Fig. 3. Schematic diagram of measuring angle system based on two-dimensional hybrid position encoding
    Schematic diagram of measuring angle based on two-dimensional hybrid position encoding
    Fig. 4. Schematic diagram of measuring angle based on two-dimensional hybrid position encoding
    Measurement system of measuring angle error based on two-dimensional hybrid position encoding
    Fig. 5. Measurement system of measuring angle error based on two-dimensional hybrid position encoding
    Error curves of angle measurement between proposed method and multi-tooth indexing table
    Fig. 6. Error curves of angle measurement between proposed method and multi-tooth indexing table
    Measurement system of direct drive turntable angle positioning error based on two-dimensional hybrid position encoding
    Fig. 7. Measurement system of direct drive turntable angle positioning error based on two-dimensional hybrid position encoding
    Measurement curves of angle positioning error of direct drive turntable based on proposed method
    Fig. 8. Measurement curves of angle positioning error of direct drive turntable based on proposed method
    Huining ZHAO, Jie WEN, Haojie XIA. High-precision angle measurement based on two-dimensional hybrid position encoding[J]. Optics and Precision Engineering, 2024, 32(5): 635
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