Planning motions with intentions
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Modelling and Control of Robot Manipulators
Modelling and Control of Robot Manipulators
Synthesizing animations of human manipulation tasks
ACM SIGGRAPH 2004 Papers
HERB: a home exploring robotic butler
Autonomous Robots
Robotics and Autonomous Systems
Using spatial and temporal contrast for fluent robot-human hand-overs
Proceedings of the 6th international conference on Human-robot interaction
Task Space Regions: A framework for pose-constrained manipulation planning
International Journal of Robotics Research
Randomized path planning on manifolds based on higher-dimensional continuation
International Journal of Robotics Research
Motion planning and reactive control on learnt skill manifolds
International Journal of Robotics Research
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We present the Constrained Bi-directional Rapidly-Exploring Random Tree (CBiRRT) algorithm for planning paths in configuration spaces with multiple constraints. This algorithm provides a general framework for handling a variety of constraints in manipulation planning including torque limits, constraints on the pose of an object held by a robot, and constraints for following workspace surfaces. CBiRRT extends the Bi-directional RRT (BiRRT) algorithm by using projection techniques to explore the configuration space manifolds that correspond to constraints and to find bridges between them. Consequently, CBiRRT can solve many problems that the BiRRT cannot, and only requires one additional parameter: the allowable error for meeting a constraint. We demonstrate the CBiRRT on a 7DOF WAM arm with a 4DOF Barrett hand on a mobile base. The planner allows this robot to perform household tasks, solve puzzles, and lift heavy objects.