Optimizing system performance in the event of feedback failure |
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| Authors: | Debraj Chakraborty Jacob Hammer |
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| Institution: | Electrical Engineering Department, University of Florida, Gainesville, Fl 32611, USA |
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| Abstract: | The problem of maintaining acceptable performance of a perturbed control system during a disruption of the feedback signal is addressed. The objective is to maximize the time during which performance remains within desirable bounds without feedback, given that the parameters of the controlled system are within a specified neighborhood of their nominal values. The existence of an optimal open-loop controller that achieves this objective is proved. It is also shown that a bang-bang input can approximate the performance of the optimal controller. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) |
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