Trajectory Tracking in Unicycle Mobile Robots: A Homogeneity-based Control Approach
Abstract
This paper contributes to the design of a family of homogeneous controllers to deal with the trajectory tracking problem in unicycle mobile robots (UMRs). The control strategy is based on a cascade control paradigm, which includes the position and orientation tracking error subsystems. The proposed homogeneous controllers provide different types of convergence to zero for the tracking error dynamics, i.e., asymptotic, exponential and finite-time convergence. Simulation results illustrate the performance of the proposed family of homogeneous controllers.
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