Design of a precise and robust linearized converter for optical encoders using a ratiometric technique

G Ye, S Fan, H Liu, X Li, H Yu, Y Shi… - Measurement Science …, 2014 - iopscience.iop.org
A linearization method with improved robustness for determining the displacement from sine
and cosine signals generated by optical encoders is presented. The proposed scheme is …

Research on sinusoidal error compensation of moiré signal using particle swarm optimization

W Zhu, Y Lin, Y Huang, Z Xue - IEEE Access, 2020 - ieeexplore.ieee.org
In this paper, the sinusoidal error compensation method based on particle swarm
optimization (PSO) is researched to reduce the subdivision precision loss caused by …

Design of a precise subdivision system for gratings using a modified CORDIC algorithm

W Zhu, S Ye, Y Huang, Z Xue - IET Circuits, Devices & Systems, 2019 - Wiley Online Library
The authors have proposed a robust linearisation method for determining the angles of
sinusoidal signals generated by gratings. This scheme solves the problem of non‐linear …