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中国科学院 长春光学精密机械与物理研究所,吉林 长春,中国,130033
[ "王显军 (1965-),男,吉林长春人,研究员,1988年于天津大学获得学士学位,主要从事电子应用技术方面的研究。E-mail: yh8875@yahoo.com.cn" ]
收稿日期:2010-06-13,
修回日期:2010-08-11,
网络出版日期:2011-05-26,
纸质出版日期:2011-05-26
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王显军. 基于SOC单片机的高集成度光电编码器电路设计[J]. 光学精密工程, 2011,19(5): 1082-1087
WANG Xian-jun. Circuit design for high integrated photoelectric encoder base on SOC singlechip[J]. Editorial Office of Optics and Precision Engineering, 2011,19(5): 1082-1087
王显军. 基于SOC单片机的高集成度光电编码器电路设计[J]. 光学精密工程, 2011,19(5): 1082-1087 DOI: 10.3788/OPE.20111905.1082.
WANG Xian-jun. Circuit design for high integrated photoelectric encoder base on SOC singlechip[J]. Editorial Office of Optics and Precision Engineering, 2011,19(5): 1082-1087 DOI: 10.3788/OPE.20111905.1082.
提出了减小光电编码器电路部分空间
缩小其结构尺寸的方法
并对编码器的电路处理进行了研究。介绍了光电编码器的基本原理、光电信号特点和信号处理的要求
分析了传统电路处理方案的特点
说明了基于放大器和比较器的传统方案是造成电路结构设计体积较大的原因。为改变传统方案
提出了用AD直通处理和分时驱动光电信号采集技术来代替传统硬件设置从而有效压缩电路部分空间的方法。介绍了编码器高集成度电路设计的实现原理
并设计了一种16位小型编码器
其电路板面积为415 mm
2
编码器体积仅为
Ф
25 mm16 mm。设计实验表明
基于SOC单片机的高集成度光电编码器电路设计技术使用元器件少
电路简单、集成度高
可有效压缩传感器电路部分的空间。
A circuit design method was proposed to compress the space of circuit in a photoelectric encoder and to reduce its size
then the signal processing of the circuit was studied. The basic principle
signal characteristics and signal processing requirements of the photoelectric encoder was introduced and the characteristic of traditional process circuit was analyzed. It points out that the traditional scheme based on amplifiers and comparators is the reason that the circuit structure is larger. To improve the traditional scheme
the methods of A/D through processing and time sharing driving photoelectric signal acquisition were proposed to replace the traditional hardware scheme to compress the space of circuit. The design principle of high integrated circuit of encoder was explained
then a 16-bit smaller encoder with the circuit board area of 415 mm
2
and the volume of
Ф
25 mm16 mm was designed. Obtained results demonstrate that the circuit design technique for high integrated photoelectric encoders based on SOC single-chip is a better way to compress the circuit space
for it has fewer components
simple circuits and higher integration.
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