Title :
Discrete abstractions for robot motion planning and control in polygonal environments
Author :
Belta, Calin ; Isler, Volkan ; Pappas, George J.
Author_Institution :
Dept. of Mech. Eng. & Mech., Drexel Univ., Philadelphia, PA, USA
Abstract :
In this paper, we present a computational framework for automatic generation of provably correct control laws for planar robots in polygonal environments. Using polygon triangulation and discrete abstractions, we map continuous motion planning and control problems, specified in terms of triangles, to computationally inexpensive problems on finite-state-transition systems. In this framework, discrete planning algorithms in complex environments can be seamlessly linked to automatic generation of feedback control laws for robots with underactuation constraints and control bounds. We focus on fully actuated kinematic robots with velocity bounds and (underactuated) unicycles with forward and turning speed bounds.
Keywords :
discrete systems; feedback; motion control; path planning; robot dynamics; robot kinematics; actuated kinematic robot; discrete abstractions; feedback control; finite state transition system; motion control; planar robot; polygonal triangulation; robot motion planning; underactuated unicycles; velocity bounds; Automatic control; Automatic generation control; Control systems; Feedback control; Kinematics; Motion control; Motion planning; Robot motion; Robotics and automation; Turning; Bisimulation; control; discrete abstraction; hybrid system (HS); motion planning; triangulation;
Journal_Title :
Robotics, IEEE Transactions on
DOI :
10.1109/TRO.2005.851359