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In this paper, H∞ optimal model reduction for singular fast subsystems will be investigated. First, error system is established to measure the error magnitude between the original and reduced systems, and it is demonstrated that the new feature for model reduction of singular systems is to make H_ norm of the error system finite and minimal. The necessary and sufficient condition is derived for the existence of the H∞ suboptimal model reduction problem. Next, we give an exact and practicable algorithm to get the parameters of the reduced subsystems by applying the matrix theory. Meanwhile, the reduced system may be also impulsive. The advantages of the proposed algorithm are that it is more flexible in a straight-forward way without much extra computation, and the order of the reduced systems is as minimal as possible. Finally, one illustrative example is given to illustrate the effectiveness of the proposed model reduction approach. 相似文献
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本文着重讨论了广义分散控制系统的脉冲特性,主要包括无穷远固定模的性质、脉冲可控性与脉冲可观性。 相似文献
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广义分散控制系统的镇定 总被引:3,自引:1,他引:2
本文讨论了广义分散控制系统的镇定性问题,并利用固定模的概念,给出了可镇定的充要
条件.该文是正常分散控制系统可镇定的一个推广. 相似文献
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本文讨论了线性时不变多通道无脉冲模的广义分散控制系统的控制问题。文中证明了该系统与带前馈的正常分散系统在某些性质上的等价性,从而得到了该系统通过静态输出反馈实现对某一单通道R-可控、R-可观可稳与可检测的充要条件。 相似文献
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广义分散控制系统的有穷固定模 总被引:11,自引:4,他引:7
本文讨论了广义分散系统
Ex=Ax+Nj=1Bjuj,
yj=Cjxj,j=1,2,…,N
的有穷固定模问题,给出了该系统存在有穷固定模的充分必要条件. 相似文献