Robust fault tolerant explicit model predictive control

In this study, a new algorithm for explicit model predictive control of linear discrete-time systems subject to linear constraints, disturbances, uncertainties, and actuator faults is developed. The algorithm is based on dynamic programming, constraint rearrangement, multi-parametric programming, an...

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Vydané v:	Automatica (Oxford) Ročník 97; s. 248 - 253
Hlavní autori:	Sheikhbahaei, Reza, Alasty, Aria, Vossoughi, Gholamreza
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Elsevier Ltd 01.11.2018
Predmet:	Dynamic programming Explicit model predictive control Fault tolerant Multi-parametric programming Robust Fault tolerant Multi-parametric programming Explicit model predictive control Dynamic programming Robust
ISSN:	0005-1098, 1873-2836
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Popis
Shrnutí:	In this study, a new algorithm for explicit model predictive control of linear discrete-time systems subject to linear constraints, disturbances, uncertainties, and actuator faults is developed. The algorithm is based on dynamic programming, constraint rearrangement, multi-parametric programming, and a solution combination procedure. First of all, the dynamic programming is used to recast the problem as a multi-stage optimization problem. Afterwards, the constraints are rearranged in an innovative manner to take into account the worst admissible situation of unknown bounded disturbances, uncertainties, and actuator faults. Then, the explicit solution of the reformulated optimization problem for each stage is obtained using the multi-parametric programming approaches. Finally, a recursive procedure for combination and substitution of the solutions is presented to extract the desired explicit control law.
ISSN:	0005-1098 1873-2836
DOI:	10.1016/j.automatica.2018.08.013