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In this paper, robust adaptive control strategies are designed for Remotely Operated Vehicles (ROVs) with velocity constraints in the presence of uncertainties and disturbances. First, robust control strategies are investigated for ROVs, and then adaptive robust control strategies are further presented with online parameter estimation. To prevent the velocity constraint violation, the Barrier Lyapunov...
In this paper, motion synchronization control of bilateral tele-operation system is investigated. Compared with previous passivity framework, the communication delays are assumed to be stochastic time-varying. By feedback linearization, the nonlinear dynamics of the tele-operation system is transformed into two linear sub-systems: local master/slave position control and delayed motion synchronization...
The balance and motion control based on LS-SVM (least squares support vector machine) are considered for mobile wheeled inverted pendulums (WIP), in the presence of parametric and functional dynamics uncertainties. Based on Lyapunov synthesis, the proposed control mechanisms use the advantage of LS-SVM combined with on-line parameters estimation strategy in order to have an efficient approximation...
Adaptive robust dynamic balance and motion control are considered for mobile wheeled inverted pendulum, in the presence of parametric and functional uncertainties. Based on Lyapunov synthesis, the proposed control mechanisms using physical properties of wheeled inverted pendulums ensure that the outputs of the system track the given bounded reference signals within a small neighborhood of zero, and...
In this paper, adaptive robust output-feedback force/motion control strategies are presented for mobile manipulators under both holonomic and nonholonomic constraints in the presence of uncertainties and disturbances. The controls are developed on structural knowledge of the dynamics of the robot, and the dynamics of actuators. The system stability and the boundedness of tracking errors are proved...
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