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In this paper an algorithm for trajectory-tracking and obstacle avoidance for wheeled mobile robots (WMR) is presented. The algorithm creates a trajectory composed of a global trajectory generated off-line and local obstacle avoidance trajectories that are created when an obstacle is detected by the sonar sensors. Only one discrete-time sliding-mode controller is required to track the resulting trajectory...
In this paper a discrete-time sliding mode control for the trajectory tracking problem of wheeled mobile robots is presented. The wheeled mobile robot (WMR) taken into account was PowerBot. PowerBot is a mobile platform with two differential driving wheels (2DW) and two balancing caster wheels. It is an automated guided vehicle specially designed and equipped for autonomous, intelligent delivery and...
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