Trajectory Tracking Control of Mobile Manipulators based on Kinematics

This paper focuses on the motion planning problem of mobile manipulator systems, i.e. manipulators attached on mobile platforms. The paper presents a methodology for generating trajectories for both the mobile platform and the manipulator that will take a system from an initial configuration to a pre-specified final one, without violating the nonholonomic constraint. The contributions of this paper come from the development and evaluation of sliding-mode control scheme for the composite wheeled robot that facilitate maintenance of all kinematic constraints within such systems. Given an arbitrary trajectory,the mobile-manipulator controller must generate a smooth desired trajectory for mobile platform.

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