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Title: Digital redesign of uncertain interval systems based on time-response resemblance via particle swarm optimization
Authors: 國立臺灣師範大學電機工程學系
Chen-Chien Hsu
Geng-Yu Lin
Issue Date: 27-Jun-2008
Abstract: In this paper, a novel design approach based on time-response resemblance of the closed-loop system via particle swarm optimization is proposed to improve performance of the redesigned digital system for continuous-time uncertain interval systems. The design rationale of the proposed approach is to derive a digital controller for the redesigned digital system so that step response sequences corresponding to the extremal sequence energy closely match those of their continuous counterpart under the perturbation of the plant parameters. By suitably formulating the design problem as an optimization problem, an evolution framework incorporating three PSOs (particle swarm optimizations) is presented to derive a set of optimal parameters for the digital controller. Computer simulations have shown that time responses of the redesigned digital system having an interval plant have a better resemblance to their continuous-time counter part in comparison those obtained using existing open-loop discretization methods.
Other Identifiers: ntnulib_tp_E0607_02_013
Appears in Collections:教師著作

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