An approach to decentralized control of large scale systems using aggregation methods

A two-level decentralized control structure is formulated for large scale interconnected subsystems controlled by N decision makers. Chained aggregation is used to decompose the overall team problem with a decentralized information structure into ( N + 1 ) subproblems: one low order team problem wit...

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Bibliographic Details
Published in:IEEE transactions on automatic control 1985-09, Vol.30 (9), p.912-914
Main Authors: Saksena, V., Cruz, J.
Format: Article
Language:English
Subjects:
Aggregates
Applied sciences
Automatic control
Computer science
control theory
systems
Control system synthesis
Control systems
Control theory. Systems
Controllability
Distributed control
Exact sciences and technology
Large scale systems
MIMO
Optimal control
Robust control
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Summary:A two-level decentralized control structure is formulated for large scale interconnected subsystems controlled by N decision makers. Chained aggregation is used to decompose the overall team problem with a decentralized information structure into ( N + 1 ) subproblems: one low order team problem with a centralized information structure and N decentralized optimal control problems. Accordingly, the control of each decision maker is decomposed into three components: a decoupling control which induces aggregation, a local control which controls the subsystem dynamics, and an aggregate control which controls the dynamics of the interconnection variables. The robustness of this composite control with respect to perturbations in the system dynamics and the cost functional is established.
ISSN:0018-9286
1558-2523
DOI:10.1109/TAC.1985.1104090