Composite PID control with unknown dynamics estimator for rotomagnet plant
10.1016/j.ifacol.2018.06.174
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/121509
Tipus de documentText en actes de congrés
Data publicació2018
Condicions d'accésAccés obert
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Abstract
Although PID control has been widely used in practical engineering, its ability to reject external disturbance and to handle severe nonlinearities should be further enhanced. In this paper, we present a simple robust unknown dynamics estimation, which can be easily incorporated into PID control to achieve satisfactory control performance for a rotomagnet plant subject to period disturbance. The use of this estimator together with PID control leads to a feedforward like composite control framework. Unlike other estimators, only low-pass filter operations on the input and output and simple algebraic operations are needed to construct our estimator, while exponential convergence can be guaranteed. Numerical simulations are given to show the validity of the proposed estimator and composite PID control.
CitacióXing, Y., Na, J., Costa-Castelló, R. Composite PID control with unknown dynamics estimator for rotomagnet plant. A: IFAC Conference on Advances in Proportional-Integral-Derivative Control. "PID 2018: 3rd IFAC Conference on Advances in Proportional-Integral-Derivative Control, Ghent, Belgium, May 09-11, 2018". 2018, p. 817-822.
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