High-Precision Digital Rotary Encoder Based on Dot-Matrix Gratings
In this paper, a high-precision digital rotary encoder based on dot-matrix gratings (DMGs) is proposed for detecting shaft rotation. The DMG-based encoder is composed of a laser diode, a beam-shaping lens, a code disc, and a detector. In principle, a shaped rectangular beam illuminates a stripe of D...
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Main Authors: | Yi-Cheng Chen, Chi-Hung Lee, Ming-Jie Chou, Sheng-Chih Shen |
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Format: | Article |
Language: | English |
Published: |
IEEE
2018-01-01
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Series: | IEEE Photonics Journal |
Subjects: | |
Online Access: | https://ieeexplore.ieee.org/document/8170232/ |
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