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Lower bound of tracking performance with finite control energy and channel energy constraint
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作者 Baoxian WANG Zhihong GUAN +1 位作者 fushun yuan Xisheng ZHAN 《控制理论与应用(英文版)》 EI CSCD 2013年第3期409-414,共6页
This paper studies the tracking performance of the single-input single-output (SISO), finite dimensional, linear and time-invariant (LTI) system over an additive white Gaussian noise (AWGN) channel with finite c... This paper studies the tracking performance of the single-input single-output (SISO), finite dimensional, linear and time-invariant (LTI) system over an additive white Gaussian noise (AWGN) channel with finite control energy and channel input energy constraint. A new performance index is proposed which is minimized over all stabilizing two-degree-of-freedom controllers. The explicit expressions of the lower bound of the tracking performance and the minimum of signal-to-noise required are obtained. The results show that the lower bound is correlated to the unstable pole, nonminimum phase zero and the channel scaling factor. Finally, one example is given to validate the conclusions by adopting the special inner-outer factorization. 展开更多
关键词 Optimal performance Control energy Channel energy constraint Gaussian noise
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