移動型マニピュレータの安定性と作業性を両立させた協調運動計画

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  • Coordinated Motion Planning for a Mobile Manipulator Considering Stability and Manipulability

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In order for a mobile manipulator to be used in areas such as offices and houses, the mobile platform must be small-sized. In the case of a small-sized platform, the mobile manipulator may fall down when moving at high speed, or executing tasks in the presence of disturbances. Therefore, it is necessary to consider both stabilization and manipulation simultaneously while coordinating vehicle motion and manipulator motion. In this paper, we propose a method for coordinating vehicle motion planning including manipulator configuration, and manipulator motion planning including platform stability. Specifically, first, the optimal problem of vehicle motion is formulated, taking into account vehicle dynamics, manipulator workspace and system stability. Next, the manipulator motion is derived, considering stability compensation and manipulator configuration. Finally, the effectiveness of this method is demonstrated by simulation examples.

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