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양팔 로봇을 위한 부분적 비동기 작업 계획 KCI 등재

Partially Asynchronous Task Planning for Dual Arm Manipulators

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로봇학회논문지 (The Journal of Korea Robotics Society)
한국로봇학회 (Korea Robotics Society)
초록

In the agricultural field, interests in research using robots for fruit harvesting are continuously increasing. Dual arm manipulators are promising because of its abilities like task-distribution and role-sharing. To operate it efficiently, the task sequence must be planned adequately. In our previous study, a collision-free path planning method based on a genetic algorithm is proposed for dual arm manipulators doing tasks cooperatively. However, in order to simplify the complicated collision-check problem, the movement between tasks of two robots should be synchronized, and thus there is a problem that the robots must wait and resume their movement. In this paper, we propose a heuristic algorithm that can reduce the total time of the optimal solution obtained by using the previously proposed genetic algorithm. It iteratively desynchronizes the task sequence of two robots and reduces the waiting time. For evaluation, the proposed algorithm is applied to the same work as the previous study. As a result, we can obtain a faster solution having 22.57 s than that of the previous study having 24.081 s. It will be further studied to apply the proposed algorithm to the fruit harvesting.

목차
Abstract
1. 서 론
2. 부분적 비동기 알고리즘
3. 시뮬레이션 및 결과
4. 결 론
References
저자
  • 정성엽(Mechanical Engineering, Korea National Univ. of Transportation) | Seong Youb Chung
  • 황면중(Mechanical Engineering, Korea National Univ. of Transportation) | Myun Joong Hwang Corresponding author