지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.20 No.4
- 발행연도
- 2006.4
- 수록면
- 437 - 446 (10page)
이용수
초록· 키워드
오류제보하기
Laser vision inspection systems are becoming popular for automated inspection of manufactured components. The performance of such systems can be enhanced by improving accuracy of the hardware and robustness of the software used in the system. This paper presents a new approach for enhancing the capability of a laser vision system by applying hardware compensation and using efficient analysis software. A 3D geometrical model is developed to study and compensate for possible distortions in installation of gantry robot on which the vision system is mounted. Appropriate compensation is applied to the inspection data obtained from the laser vision system based on the parameters in 3D model. The present laser vision system is used for dimensional inspection of car chassis sub frame and lower arm assembly module. An algorithm based on simplex search techniques is used for analyzing the compensated inspection data. The details of 3D model, parameters used for compensation and the measurement data obtained from the system are presented in this paper. The details of search algorithm used for analyzing the measurement data and the results obtained are also presented in the paper. It is observed from the results that, by applying compensation and using appropriate algorithms for analyzing, the error in evaluation of the inspection data can be significantly minimized, thus reducing the risk of rejecting good parts.
목차
Abstract
1. Introduction
2. Description of Laser Vision System
3. Chassis Module and Measurement Method
4. Gantry Model and Calibration
5. Analysis of Measurement Data
6. Experimental Results
7. Conclusions
References
참고문헌 (18)
참고문헌 신청
Beyer, H. A., 1995, "Automated Dimensional Inspection with Real-Time Photogrammetry," ISPRS Journal of Photogrammetry and Remote Sensing, Vol.50, No.3, pp.20~26.
Brunk, W., 1982, "Geometric Control by Industrial Robots," Proc. 2nd Int. Conf on Robot Vision and Sensory Controls, Stuttgart, pp.223~231.
Gilbert, R. K., 2002, "Laser Measurement Takes Hold," Quality Magazine, pp.18~22.
Harris, J. O. and Spence, A. D., 2004, "Geometric and Quasi-Static Thermal Error Compensation for a Laser Digitizer Equipped Coordinate Measuring Machine," International Journal of Machine Tools & Manufacture, Vol.44, pp.65~77.
Kosmopoulos, D. and Varvarigou, T., 2001, "Automated Inspection of Gaps on the Automobile Production Line Through Stereo Vision and Specular Reflection," Computers in Industry, Vol.46, pp.49~63.
Brunk, W., 1982, "Geometric Control by Industrial Robots," Proc. 2nd Int. Conf on Robot Vision and Sensory Controls, Stuttgart, pp.223~231.
Gilbert, R. K., 2002, "Laser Measurement Takes Hold," Quality Magazine, pp.18~22.
Harris, J. O. and Spence, A. D., 2004, "Geometric and Quasi-Static Thermal Error Compensation for a Laser Digitizer Equipped Coordinate Measuring Machine," International Journal of Machine Tools & Manufacture, Vol.44, pp.65~77.
Kosmopoulos, D. and Varvarigou, T., 2001, "Automated Inspection of Gaps on the Automobile Production Line Through Stereo Vision and Specular Reflection," Computers in Industry, Vol.46, pp.49~63.
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