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The problems of the discrete fuzzy controller design for the ship motion system and the stability analysis for the closed-loop discrete fuzzy system are studied. Firstly, a discrete T-S fuzzy model of the ship motion system is established; then, by using the method of parallel distributed compensation, a new sufficient condition to check the stability of the closed-loop discrete T-S fuzzy system is...
The development of safe and dependable robots for physical human-robot interaction requires both the mechanical design of lightweight and compliant manipulators and the definition of motion control laws that allow compliant behavior in reaction to possible collisions, while preserving accuracy and performance during the motion in the free space. For these motivations, great attention has been posed...
This paper proposes a control scheme for underactuated two-link robot called the pendubot. The controller achives to swing, and stabilize to its uppermost unstable equilibrium point, the second non-attracted link. The control law is designed and the convergence analysis is carried out based on Lyapunov stability theory. Swinging control is based on an kinetic energy approach and the passivity properties,...
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