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Composite PID control with unknown dynamics estimator for rotomagnet plant

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2055-Composite-PID-control-with-unknown-dynamics-estimator-for-rotomagnet-plant.-.pdf (2,018Mb)
 
10.1016/j.ifacol.2018.06.174
 
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hdl:2117/121509

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Xing, Yashan
Na, Jing
Costa Castelló, RamonMés informacióMés informacióMés informació
Document typeConference report
Defense date2018
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
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.
CitationXing, 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. 
URIhttp://hdl.handle.net/2117/121509
DOI10.1016/j.ifacol.2018.06.174
Publisher versionhttps://www.sciencedirect.com/science/article/pii/S2405896318304713?via%3Dihub
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