光电编码器信号处理技术的研究进展  

Researching Development of Photoelectric Encoder Signal Processing Technology

作　　者：刘杨[1] 吕恒毅[2] 谭立国[1] 陈兴林[1] 宋申民[1] 

机构地区：[1]哈尔滨工业大学航天学院,黑龙江哈尔滨150001 [2]中国科学院长春光学精密机械与物理研究所,吉林长春130033

出　　处：《自动化仪表》2011年第3期16-20,共5页Process Automation Instrumentation

基　　金：国家自然科学基金资助项目(编号:60710002)

摘　　要：光电编码器是以莫尔条纹计数为基础的高精度数字化测角设备,在航空航天领域得到越来越多的应用。为提高光电编码器在恶劣环境下的性能,分别介绍了光电编码器信号处理的原理、关键技术、典型应用以及新的动向;同时,对具有代表性的处理技术进行了分析与比较,揭示了其处理方式向数字化、智能化发展的趋势;最后针对国内外关键技术的现状,扼要阐述了其未来的发展方向。The photoelectric encoder is the highly precise digital angle measurement device that is based on counting the Moire fringes,it has been widely used in aviation and aerospace areas.In order to enhance the performance of the photoelectric encoder in hash environment,the principle of signal processing,critical technologies,and typical application as well as the latest development of the encoder are introduced respectively.In addition,the representative processing technologies are analyzed and compared,this reveals that digitizing and intelligent are its developing trends.In accordance with the current global status of critical technologies,its developing directions in future are described briefly.

关 键 词：光电编码器 信号处理 自适应 数字化 智能化 

分 类 号：TP212.14[自动化与计算机技术—检测技术与自动化装置]