We present a novel motion planning algorithm for performing constrained tasks such as opening doors and drawers by robots such as humanoid robots or mobile manipulators. Previous work on constrained manipulation transfers rigid constraints imposed by the target object motion directly into the robot configuration space. This often unnecessarily restricts the allowable robot motion, which can prevent the robot from performing even simple tasks, particularly if the robot has limited reachability or low number of joints. Our method computes ldquocaging graspsrdquo specific to the object and uses efficient search algorithms to produce motion plans that satisfy the task constraints. The major advantages of our technique significantly increase the range of possible motions of the robot by not having to enforce rigid constraints between the end-effector and the target object. We illustrate our approach with experimental results and examples running on two robot platforms.
Manipulation planning with caging grasps
Rosen Diankov,S. Srinivasa,D. Ferguson,J. Kuffner
Published 2008 in IEEE-RAS International Conference on Humanoid Robots
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- Publication year
2008
- Venue
IEEE-RAS International Conference on Humanoid Robots
- Publication date
2008-12-01
- Fields of study
Computer Science, Engineering
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- External record
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