IOE OpenIR  > 光电技术研究所博硕士论文
Thesis Advisor叶盛祥
Degree Grantor中国科学院光电技术研究所
Place of Conferral中国科学院光电技术研究所
Keyword光栅 圆分度 锁相环(pll) 动态全积分法 动、静读数头
Other AbstractIn the paper, the basic principle of the Dynamic Perfect Intergration Metheod has been described. A few sorts of mechanical syntaxes and signal- processing techniques have been analysed. The advanstages & disadvatages among the syntaxes and the strong points & weak points have been reviewed. The mechanical syntaxes are one-master-grating syntax with two circles of graduation marks, two-master-grating syntax and the syntax whose "moveable reader" is static. The signal- processing techniques are the analogue multiplier technique, counting difference technique, VCO technique, syncro-interpolation technique and frequency-fold interpolation technique. Under the present conditions, with some mechanical parts designed, with the signal-processing circuit designed, the experiment set has been built. The effect of the error sources has been analysed in detail. Three comparing experiments have been done. All these have proved that the Dynamic Perfect Intergration Metheod can eliminate the effect of the graduation error and eccentricity of the master grating, and that the metheold is suitable to high accuracy measuring system.
Document Type学位论文
Recommended Citation
GB/T 7714
叶大华. 用动态全积分法提高圆分度精度的研究[D]. 中国科学院光电技术研究所. 中国科学院光电技术研究所,1993.
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