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Continuous Control for Fully Damped Mechanical Systems With Input Constraints: Finite-Time and Exponential Tracking | IEEE Journals & Magazine | IEEE Xplore

Continuous Control for Fully Damped Mechanical Systems With Input Constraints: Finite-Time and Exponential Tracking


Abstract:

A motion continuous control scheme for fully damped mechanical systems with constrained inputs is proposed. It gives the freedom to choose among finite-time and (local) e...Show More

Abstract:

A motion continuous control scheme for fully damped mechanical systems with constrained inputs is proposed. It gives the freedom to choose among finite-time and (local) exponential convergence through a simple design parameter. The control objective is achieved from any initial conditions, for desired trajectories that can be physically tracked avoiding actuator saturation and loss of motion error dissipation, globally induced through the aid of the natural damping terms explicitly considered in the open-loop dynamics. The stability analysis is based on a strict Lyapunov function and is formally developed within an appropriate analytical framework that takes into account the time-varying character naturally adopted by the closed loop. Simulation tests are further included.
Published in: IEEE Transactions on Automatic Control ( Volume: 65, Issue: 2, February 2020)
Page(s): 882 - 889
Date of Publication: 10 June 2019

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