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Approximately Time-Optimal State Space Control Employing Fuzzy Logic (CROSBI ID 463766)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Cupec, Robert ; Perić, Nedjeljko ; Žunac, Robert Approximately Time-Optimal State Space Control Employing Fuzzy Logic // Proceedings of the 16'th IASTED International Conference Modelling, Identification And Control / Hamza, M.H. (ur.). International Association of Science and Technology for Development (IASTED), 1997. str. 402-405-x

Podaci o odgovornosti

Cupec, Robert ; Perić, Nedjeljko ; Žunac, Robert

engleski

Approximately Time-Optimal State Space Control Employing Fuzzy Logic

A structure for approximately time-optimal state space control employing fuzzy logic is discussed. Controller inputs are state variable errors, i.e. the difference between measured values and references. Fuzzy logic is used to provide time-optimal transient. Feedforward gain and a state estimator are used to estimate the steady-state control signal. An integrator is used to avoid steady-state error. A method for obtaining the parameters of a fuzzy logic controller using a simplified linear model of the plant, is presented. The method is developed for second order systems. Fuzzy logic is used for the emulation of a nonlinear time-optimal control function. Normalization of the fuzzy logic controller inputs and output provides the time-optimal behavior of the system over the entire operating range, using a time-optimal control function designed for the specific operating point. The proposed method is tested by simulation of the level control in a two-tank system.

time-optimal control; state space control; fuzzy logic control; two-tank system

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Podaci o prilogu

402-405-x.

1997.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of the 16'th IASTED International Conference Modelling, Identification And Control

Hamza, M.H.

International Association of Science and Technology for Development (IASTED)

Podaci o skupu

16'th IASTED International Conference modelling, identification and control

predavanje

17.02.1997-19.02.1997

Innsbruck, Austrija

Povezanost rada

Elektrotehnika