Overlapping reliable control for a cable-stayed bridge benchmark
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hdl:2117/24790
Tipus de documentArticle
Data publicació2005-07
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Abstract
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.
CitacióBakule, L. [et al.]. Overlapping reliable control for a cable-stayed bridge benchmark. "IEEE transactions on control systems technology", Juliol 2005, vol. 13, núm. 4, p. 663-669.
ISSN1063-6536
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