New type of position encoder with possibility of direct zero position adjustment

被引：3
|
作者：
Denic, Dragan [1 ]
Randelovic, Ivana [1 ]
机构：
[1] Univ Nis, Fac Elect Engn, Nish 18000, Serbia
来源：
2005 IEEE INTELLIGENT DATA ACQUISITION AND ADVANCED COMPUTING SYSTEMS: TECHNOLOGY AND APPLICATIONS | 2005年
关键词：
position measurement; pseudorandom encoder; pseudorandom binary sequence; zero position adjustment;
D O I：
10.1109/IDAACS.2005.282991
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The pseudorandom encoder as a new type of absolute encoder with only one code track is presented in this paper. It is provided using an especial code technique based on pseudorandom binary sequences. A method for parallel reading of pseudorandom code using linear photodetector array is proposed The presented solution considerably decreases the basic problem, which is a substantial time needed for the execution of the position measuring. The process of determining the fine and rough position is being divided based on the recorded pseudorandom code. The basic idea is in providing of fast reconstuction of scanned pseudorandom code also in providing conditions for application of yet developed fast code conversions algorithms. Simultaneously a problem of zero position adjustment at encoder installation is considered and a concrete solution in accordance with requests of high technologies encoders is proposed.
引用
收藏
页码：299 / 305
页数：7
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