H2 performance of continuous time periodically time varying controllers |
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| Authors: | Cishen Zhang Jingxin Zhang |
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| Affiliation: | aDepartment of Electrical and Electronic Engineering, The University of Melbourne, Parkville, Vic. 3052, Australia;bSchool of Engineering, University of South Australia, Whyalla Norrie, SA 5608, Australia |
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| Abstract: | This paper uses a frequency domain approach to the analysis of H2 performance of continuous time periodically time varying controllers. For control of linear time invariant plants, it is shown that the time varying dynamics of the periodic controller deteriorates the closed-loop system H2 performance and a linear time invariant controller can be found to provide strictly better H2 control of the system. |
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| Keywords: | Frequency response methods H2 control Linear systems Time varying systems Transfer function |
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