제어로봇시스템학회논문지 (Journal of Institute of Control, Robotics and Systems)

  • 제6권2호
  • /
  • Pages.190-196
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  • 2000
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  • 1976-5622(pISSN)
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  • 2233-4335(eISSN)
제어로봇시스템학회 (Institute of Control, Robotics and Systems)
권호 표지

단일물체 조작을 위한 두 협조 로봇의 협조제어

A Coordination Control Methodlolgy for Two Cooperating Arms Handling a Single Object

  • 여희주 (대진대학교 전자공학과)
  • Yeo, Hee-Joo (Dept.of Electronic Engineering, Daejin University)
  • 발행 : 2000.02.01
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초록

A hybrid position/force control scheme to regulate the force and position by dual arms is proposed where two arms are treated as one rm in a kinematic viewpoint. The force error calculated from the information of two force/torque sensors attached to the end of each arm is transferred to minimum configuration space coordinates and then is distributed to total system joint coordinates, The position adjustment at the total con-figuration coordinates is computed based on the effective compliance matrix with respect to total joint coordinates which is obtained by coordinate transformation between the task coordinates and the total joint coordinates. The proposed scheme is applied to sawing task. When the trajectory of the saw is planned to follow a line in a horizontal plane 2 position parameters are to be controlled(i.e., two translational positions) Also a certain level of contact force has to be controlled along the vertical direction(i.e. minus z-direction) not to loose the contact with the object to be sawn. We experimentally show that the performance of the velocity and force response are satisfactory. The proposed hybrid control scheme can be applied to arbitrary two cooperating arm system regardless of their kinematic structure and the number of actuated joints.

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참고문헌

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