Optimal design of a reflective diffraction grating scale with sine-trapezoidal groove for interferential optical encoders

G Ye, H Liu, B Lei, D Niu, H Xing, P Wei, B Lu… - Optics and Lasers in …, 2020 - Elsevier
Interferential optical encoders are promising nano-positioning sensors in precision
manufacturing and metrology instrumentation. As measuring standard, the quality of …

A miniature high-frequency rotary ultrasonic encoder for internal ultrasound imaging

Z Han, N Wang, X Zhu, Z Li, Y Cui… - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
High-speed mechanical rotation scanning is the main imaging method of current high-
frequency internal ultrasound. Due to uneven drag on the catheter driveshaft leading to …

Improved eccentricity self-detection method based on least square algorithm for polar coordinate encoder

G Zhao, B Lei, G Ye, Y Ban, X Li, H Liu… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
Eccentricity error is the main error source of rotary encoder. In our previous work, a novel
polar coordinate encoder has been presented for eccentricity self-detection and error …

Error compensation strategy with high installation tolerance for angle encoders

G Zhao, Y Ban, Z Zhang, X Wang, B Chen, Y Shi… - Precision …, 2024 - Elsevier
Radial error (comprising eccentricity error and runout error) and graduation error of circular
scales are the primary sources of error for angle encoders. This paper presents a …