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논문 기본 정보

자료유형
학술대회자료
저자정보
Kozo Ohtani (Hiroshima Institute of Technology) Mitsuru Baba (Ibaraki University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS-SICE 2009
발행연도
2009.8
수록면
3,451 - 3,456 (6page)

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This paper describes a method of identifying the surface roughness and three-dimensional shape of a metal part with alaser range finder. Our range finder is equipped with an optical position sensor that can simultaneously detect the position of alight and its incident angle with respec to the sensor. Moreover, the sensor has an autonomous expo sure time control function with a microcomputer. Therefore, the laser range finder can detect the three-dimensional(3-D) shape of an object with unknown reflectance. We constructed aprototype system and performed experiments with measured objects made of ther mally sprayed materials. First, we in spected the surface reflection of each elementin the ther mally sprayed materials and established the measurement procedure using our range finer, which can identify surface roughness based on the optical properties of a surface. Next, we measured the thermally sprayed materials with several kinds of delaminations. From the measurement results, we found the error of the 3-D shape measurement to be Δz/z=0.7%, which was independent of the surface reflection of the measured objects. Regarding the detection of the surface roughness, we could identify four types of delamination conditions with accuracy. The proposed method has great potential for use in a wide range of industrial inspections.

목차

Abstract
1.INTRODUCTION
2.BASIC PRINCIPLE OF ALASER RANGEFINDER
3.EXPERIMENT
4.CONCLUSIONS
REFERENCES

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