NONCONTACT ABSOLUTE POSITION MEASUREMENT USING A COMPACT-DISK PLAYER OPTICAL PICK-UP

被引：12
|
作者：
DURING, C
ANDERSSON, S
WILKANDER, J
机构：
[1] The Royal Institute of Technology, Department of Machine Elements
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 1992年 / 32卷 / 1-3期
关键词：
D O I：
10.1016/0924-4247(92)80046-6
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An optical pick-up from a compact disc player is used as an absolute position sensor. The output from the pick-up gives the optical reflectivity profile from an object on which the measurement is to be taken. The object's position is given from the correlation between a pre-sampled reference of the reflectivity profile and actual samples of the same profile. The method is demonstrated for position/angle measurement of a smooth hand-polished rotating aluminium disc.
引用
收藏
页码：575 / 581
页数：7
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