Photoelectric encoders are widely used in high-precision measurement fields such as industry and aerospace because of their high precision and reliability. In order to improve the subdivision
Abstract: To improve the subdivision accuracy of the absolute photoelectric shaft encoder, a particle swarm optimization (PSO) algorithm is proposed for error correction.
In order to improve the subdivision accuracy of moiré grating signals, a particle swarm optimization compensation model for grating the subdivision error of a photoelectric encoder based on parallel
As a precise position-sensing device, the photoelectric encoder has been widely used in industrial manufacturing and assembly processes [1, 2, 3]. At present, the precision measurement
Therefore, this study considers the electrical perspective and address the processing and compensation of photoelectric signals in the presence of sinusoidal deviations, thereby improving the subdivision
Subdivision algorithm is a key technology of single-track absolute photoelectrical encoder, to increase its precision, in this paper, an anti-spot subdivision algorithm was proposed by weighting
To improve the subdivision accuracy of a photoelectric encoder and reduce the effects of sinusoidal errors in the signals on the measurement
The proposed scheme not only significantly improves the measurement accuracy of the photoelectric shaft angle encoder, but also contributes to its miniaturization. The aim of this study is
Mentioning: 1 - To improve the subdivision accuracy of a photoelectric encoder and reduce the effects of sinusoidal errors in the signals on the measurement accuracy of the system, we designed an
High-resolution photoelectric encoder usually achieves a high resolution by the subdivision of two-way orthogonal sine and cosine signals from
Based on a TCS platform, a mathematical analysis on the angle encoder subdivision error was performed to find relationships between subdivision errors and subdivision signals.
As the position sensor, photoelectric angle encoder a ects the accuracy and stability of telescope control system (TCS). A TCS- based subdivision error compensation method for encoder is proposed.
The photoelectric angle encoder is a kind of angular sensor, which achieves high resolution by the subdivision of two-way orthogonal moire pattern (sine and cosine) signals from a fine code disk .
The photoelectric angle encoder is a kind of angular sensor, which achieves high r esolution by the subdivision of two-way orthogonal moire pattern
Because the photoelectric angle encoder outputs 1V PP subdivision signals, we make Am = 1. The zero shift of the subdivision signal angle can be obtained by InitialAngle = arctan (B0 / (1 +
Photoelectric angle encoders, working as position sensors, have a great influence on the accuracy and stability of telescope control systems (TCS). In order to improve the tracking precision
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