High-performance absolute optical encoder using M-code

Yuji Matsuzoe; Tomoharu Nakayama; Nobuhiko Tsuji; Koetsu Fujita; Toru Yoshizawa

doi:10.1117/12.444098

4 October 2001 High-performance absolute optical encoder using M-code

Yuji Matsuzoe, Tomoharu Nakayama, Nobuhiko Tsuji, Koetsu Fujita, Toru Yoshizawa

Proceedings Volume 4564, Optomechatronic Systems II; (2001) https://doi.org/10.1117/12.444098
Event: Intelligent Systems and Advanced Manufacturing, 2001, Boston, MA, United States

Abstract

We developed a high-resolution absolute optical encode that achieves a resolution of 4,194,304 Division/Rev at a diameter of 34mm, based on the new angle detection principles, by which the two sets of interpolation data of two differing cycles and M-Code data are mixed. This absolute encoder also achieves an accuracy of 20 seconds to minimize the sinusoid wave distortion of the signal from the photo detector.

Citation Download Citation

Yuji Matsuzoe, Tomoharu Nakayama, Nobuhiko Tsuji, Koetsu Fujita, and Toru Yoshizawa "High-performance absolute optical encoder using M-code", Proc. SPIE 4564, Optomechatronic Systems II, (4 October 2001); https://doi.org/10.1117/12.444098

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