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In this paper, we extend the globally convergent steering algorithm for regular nonholonomic systems presented in to a much larger class of systems which contain singularities. This extension is based on the construction of a continuous first order approximation of the control system. We also propose an exact motion planning method for nilpotent systems. The method makes use of sinusoidal control...
We present a global vector field computation algorithm in configuration spaces for smooth feedback motion planning. Our algorithm performs approximate cell decomposition in the configuration space and approximates the free space using rectanguloid cells. We compute a smooth local vector field for each cell in the free space and address the issue of the smooth composition of the local vector fields...
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