CIOMP OpenIR  > 中科院长春光机所知识产出
Effect of infrared light source parameters on photoelectric encoder
Lu, X.; L. Song and Q. Wan
2017
Source PublicationHongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
Volume46Issue:9
AbstractInfrared diodes are important components of photoelectric encoder, the orthogonality and sine of Moire fringe directly affect the segmentation accuracy and resolution of photoelectric encoder, and they affect the light source parameters. According to the investigation, the divergence angle and the width of light source exert a tremendous influence in signal of encoder. Firstly, the effect of light source on the grating signal flux was analyzed. The application of the frequency domain method helped deduce the function of light transmission feature; Then the impact of the two different light source on the signal creation with a yard plate and the contrast ratio was computed; Finally, orthogonality and sinusoidal property of the Moire stripe signal were simulated at MATLAB environment. The result shows that the encoder accuracy difference between them reached 30% by applying different source. Higher harmonic proportion of the improved decoder decreases significaitly and the signal stability is better. Studying the light source parameters has great significance in extracting the Moire fringe of high quality, and offers valuable reference for designing high-precision encoder. 2017, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.
Indexed Byei
Language中文
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59123
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Lu, X.,L. Song and Q. Wan. Effect of infrared light source parameters on photoelectric encoder[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2017,46(9).
APA Lu, X.,&L. Song and Q. Wan.(2017).Effect of infrared light source parameters on photoelectric encoder.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,46(9).
MLA Lu, X.,et al."Effect of infrared light source parameters on photoelectric encoder".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 46.9(2017).
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