This paper presents a motion planner tailored for particular requirements for robotic car navigation. We leverage B-spline curve properties to include vehicle's constraint requirements, thus lowering the search dimensionality. An algorithm, which combines competent exploratory nature of the randomized search methods with vector-valued parameterization steering, is developed here. Vehicle's limitations, along with obstacle's constraints, are satisfied without being hindered by numerical integration and control space discretization of traditional randomized kinodynamic planners. We rely on newly developed theoretical underpinnings to overcome performance issues in rapidly exploring random tree (RRT) solutions. Rigorous simulations and analysis demonstrate that this new approach outperforms recently proposed planners by using an efficient bidirectional RRT-based search, by maintaining continuous state and control spaces, and generating C2 continuous paths, which are realistic inputs suited for mobile robotic applications and passenger vehicles.
Randomized Bidirectional B-Spline Parameterization Motion Planning
IEEE Transactions on Intelligent Transportation Systems ; 17 , 2 ; 406-419
01.02.2016
3167675 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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