A Direction Sensing Technique of a Reference Point by Using Cross-Hair Diffraction Beam

Masafumi Ito; Kazuhiro Hane; Fumio Matsuda; Yoshiki Uchikawa; Shuzou Hattori

doi:10.20965/jrm.1991.p0215

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JRM Vol.3 No.3 pp. 215-217

doi: 10.20965/jrm.1991.p0215

(1991)

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A Direction Sensing Technique of a Reference Point by Using Cross-Hair Diffraction Beam

Masafumi Ito^, Kazuhiro Hane^, Fumio Matsuda^**, Yoshiki Uchikawa^* and Shuzou Hattori^***

^* Faculty of Engineering, Nagoya University, Furocho, Chigusa-ku, Nagoya 464, Japan

^** Gifu National College of Technology, Motosu-gun, Gifu 501-04, Japan

^*** Nagoya Industrial Science Research Institute, Tenpaku-ku, Nagoya 468, Japan

Received:

April 30, 1991

Accepted:

May 20, 1991

Published:

June 20, 1991

Keywords:

Direction measurement, Diffraction beam, Optical measurement

Abstract

We describe a technique for measuring the direction of a reference point easily and accurately. In the method, cross-hair diffraction beam, corner cube and an XYscanner driven by piezo stacks are used. The accuracy for angular detection was about 10p rad.

Cite this article as:

Masafumi Ito, Kazuhiro Hane, Fumio Matsuda, Yoshiki Uchikawa, and Shuzou Hattori, “A Direction Sensing Technique of a Reference Point by Using Cross-Hair Diffraction Beam,” J. Robot. Mechatron., Vol.3, No.3, pp. 215-217, 1991.

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A Direction Sensing Technique of a Reference Point by Using Cross-Hair Diffraction Beam

Masafumi Ito*, Kazuhiro Hane*, Fumio Matsuda**, Yoshiki Uchikawa* and Shuzou Hattori***

Masafumi Ito^, Kazuhiro Hane^, Fumio Matsuda^**, Yoshiki Uchikawa^* and Shuzou Hattori^***