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- Title
Robust combined feedback/feedforward control for fractional FOPDT systems.
- Authors
Padula, Fabrizio; Visioli, Antonio
- Abstract
In this paper, a combined feedback/feedforward design methodology is proposed for fractional systems in order to cope with model uncertainty and to minimize performance degradation. Based on a fractional commensurate uncertain model, a parametric robust controller is first designed. Then, a parametric command signal for the unity feedback loop is designed. Finally, an optimal set of tuning parameters is found by solving a constrained min-max optimization problem in order to minimize the worst-case settling time. Simulation results show the effectiveness of the methodology. Copyright © 2015 John Wiley & Sons, Ltd.
- Subjects
FEEDFORWARD control systems; FRACTIONAL interests; COMMENSURATE-incommensurate transitions; PARAMETRIC modeling; SIMULATION methods &; models; MATHEMATICAL models
- Publication
Optimal Control - Applications & Methods, 2016, Vol 37, Issue 5, p902
- ISSN
0143-2087
- Publication type
Article
- DOI
10.1002/oca.2212