Overlapping reliable control for a cable-stayed bridge benchmark

The brief presents a reliable 1-out-2 reduced order control design strategy for a cable-stayed bridge benchmark using two overlapping subsystems and the linear quadratic Gaussian (LQG) design. Reliability with regard to controller failures is considered. Local controllers are designed for reduced or...

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Bibliographic Details
Published in:IEEE transactions on control systems technology 2005-07, Vol.13 (4), p.663-669
Main Authors: Bakule, L., Paulet-Crainiceanu, F., Rodellar, J., Rossell, J.M.
Format: Article
Language:English
Subjects:
Applied sciences
Automàtica i control
Benchmark testing
Benchmarking
Bridges
Cable-stayed bridges
Centralized control
Computer science
control theory
systems
Control descentralitzat
Control design
Control system synthesis
Control systems
Control theory. Systems
Controllers
Decentralized control
Decentralized linear quadratic Gaussian (LQG) design
Design
Design engineering
Dynamics
Exact sciences and technology
Fiabilitat (Enginyeria)
Flexible structures
Inclusion principle
Informàtica
Large scale systems
Matemàtiques i estadística
Mathematical models
Mathematics
Overlapping decompositions
Power system reliability
Reduced order
Reduced order control design
Reliability (Engineering)
Reliable control
Sistemes a gran escala
Strategy
Studies
System testing
Àrees temàtiques de la UPC
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Summary:The brief presents a reliable 1-out-2 reduced order control design strategy for a cable-stayed bridge benchmark using two overlapping subsystems and the linear quadratic Gaussian (LQG) design. Reliability with regard to controller failures is considered. Local controllers are designed for reduced order subsystems of expanded system. They are implemented and evaluated on the original overall system model. Two different sets of numerical experiments of reliable control design within 1-out-2 controller failure structure have been systematically tested using a SIMULINK scheme and compared to the benchmark sample centralized LQG design. The performance of the reliable control design has been assessed by means of given benchmark evaluation criteria. The dynamics of the closed-loop benchmark model with this multiple controller exhibits an acceptable behavior though slightly worse than in the centralized case. Thereby, the main result is a practical well working 1-out-2 reliable controller designed for a real world large-scale system. The significance of this new strategy lies in its practical systematic approach for reliable control design for large scale systems.
ISSN:1063-6536
1558-0865
DOI:10.1109/TCST.2004.841678