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논문 기본 정보

자료유형
학술대회자료
저자정보
Hwan-Wook Je (Pusan National University) Jun-Young Baek (Pusan National University) Min-Cheol Lee (Pusan National University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS-SICE 2009
발행연도
2009.8
수록면
4,468 - 4,471 (4page)

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초록· 키워드

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In this study, we proposed the collision observer for real-time detection of collisions between service robot and unknown obstacle. In case of a mobile equipped extra manipulator such as a service robot the safety of the systemin service field is very important because a collision between the manipulator and a person may damages against the one. Therefore it is required to detect the collision against the unknown obstacle and to make them safe. This paper proposes current based method to detect unexpected collision without using extra sensor such as the force/torque(F/T), tactile sensor or the visual sensor. Instead of these sensors, the collision is detected by the observer for collision. To detect the collision of the manipulator without force/torque sensor, two parameters are only required for calculation of collision observer. One is current value, the other is control input value. Because the current from the servo amplifier is generated to follow the controller command input, the current can be used for detecting the collision.After detecting the collision of robot manipulator, we can control the robot to make them safe or reduce damage. The proposed collision detection method is implemented in a light weight robot manipulator. It is confirmed that the proposed method is valid by experimental results.

목차

Abstract
1. INTRODUCTION
2. SIGNAL FOR COLLISION DETECTION
3. SYSTEM CONFIGURATION
4. EXPERIMENTAL RESULTS
5. CONCLUSION
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