State Estimation of LTI Systems with Unknown Input and Sensor Disturbances Using Adaptive PI Observer
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概要
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A new state estimation algorithm is presented for a class of LTI systems that have an input disturbance in polynomial form and a sinusoidal sensor disturbance in the measurement output. Adaptation rules are developed for identifying the unknown magnitude, phase and frequency of the sensor disturbance from the system output measurement. For the application of the identification result to the state estimation problem, the sinusoidal signal with arbitrary initial phase has been considered in this paper. In order to test the performance of the proposed algorithm, comparative computer simulations have been carried out with a robust state observer. Simulation results show the effectiveness of the proposed method.
- 2011-03-01
著者
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SON Young
Department of Computer Science and Statistics, College of Natural Sciences, Chosun University
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Son Young
Department Of Electrical Engineering Myongji University
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Son Young
Department Of Chemistry University Of Connecticut
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