Journal
IET CONTROL THEORY AND APPLICATIONS
Volume 9, Issue 4, Pages 545-552Publisher
WILEY
DOI: 10.1049/iet-cta.2014.0202
Keywords
variable structure systems; nonlinear control systems; uncertain systems; perturbation techniques; closed loop systems; Lyapunov methods; pendulums; nonsingular fixed-time terminal sliding mode control; second-order nonlinear systems; matched uncertainties; perturbations; nonsingular terminal sliding surface; closed-loop convergence time; phase plane analysis; Lyapunov tools; single inverted pendulum
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Funding
- National Natural Science Foundation of China [61203022, 61074010, 61203231]
- Aeronautic Science Foundation of China [2012CZ51029]
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This study addresses a fixed-time terminal sliding-mode control methodology for a class of second-order non-linear systems in the presence of matched uncertainties and perturbations. A newly defined non-singular terminal sliding surface is constructed and a guaranteed closed-loop convergence time independent of initial states is derived based on the phase plane analysis and Lyapunov tools. The simulation results of a single inverted pendulum in the end are included to show the effectiveness of the proposed methodology.
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