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Maximising the guaranteed feasible set for stochastic MPC with chance constraints

Abstract:
This paper proposes a method of approximating positively invariant sets and n-step controllable sets of uncertain linear systems that are subject to chance constraints. The computed sets are robustly invariant and are guaranteed to satisfy the probabilistic constraints of the control problem. In contrast, existing methods based on random sampling are only able to satisfy such constraints with a fixed level of confidence. The proposed approach uses explicitly parametrised auxiliary disturbance sets, which are optimised subject to a constraint on their probability measure so as to maximise the relevant positively invariant or n-step controllable set. The results are illustrated by numerical examples.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.ifacol.2017.08.1388

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
St John's College
Role:
Author


Publisher:
Elsevier
Journal:
IFAC-PapersOnLine More from this journal
Volume:
50
Issue:
1
Pages:
8220-8225
Publication date:
2017-10-18
Acceptance date:
2017-02-27
DOI:
ISSN:
2405-8963


Keywords:
Pubs id:
pubs:744773
UUID:
uuid:729bcb2e-9303-4d72-84c0-ea01a61b122c
Local pid:
pubs:744773
Source identifiers:
744773
Deposit date:
2017-12-01

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