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http://dx.doi.org/10.5302/J.ICROS.2015.14.8027

The Position Decision Comparison Experiment of Hall and Photo Sensors in the Linear Stage  

Cha, Young-Youp (Division of Mechanical and Automotive, Wonkwang University)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.21, no.2, 2015 , pp. 157-161 More about this Journal
Abstract
For machining systems having a high precision positioning with a long stroke, it is necessary to examine the repeatability of reference position decisions. Though ball-screw driven linear stages equipped with encoders have high precision feed drivers and a long stroke, they have some limitations for reference position decisions if they have not been equipped accurate home sensors. High precision machining technology has become one of the most important aspects of the development of a precision machine. Such a machine requires high precision positioning as well as high speed on a large workspace. This study is performed to experimentally compare the repeatability for home position decisions in the case of photo sensors and hall sensors as a home switch of the ball-screw driven linear stage.
Keywords
position decision; photo sensor; hall sensor;
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