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Benefits of redundant channels in observer-based H∞ control for discrete-time switched linear systems 被引量:2
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作者 ZHU YanZheng ZHANG LiXian +2 位作者 LIN WeiYang LI Zhan YU ShuYou 《Science China(Technological Sciences)》 SCIE EI CAS CSCD 2016年第1期55-62,共8页
In this paper, the H∞ control problem is investigated for a class of discrete-time switched linear systems with modal persistent dwell-time(MPDT) switching. The redundant channels are considered to use in the data tr... In this paper, the H∞ control problem is investigated for a class of discrete-time switched linear systems with modal persistent dwell-time(MPDT) switching. The redundant channels are considered to use in the data transmission to benefit the capability of overcoming the fragility of networks commonly configured by a single channel in the communication networks subject to random packet losses. In light of a new class of Lyapunov functions, the desired observer-based quasi-time-dependent controllers, which have less conservatism than the time-independent ones, are designed such that the resulting closed-loop system is exponentially mean-square stable with a guaranteed H_∞ disturbance attenuation performance. The MPDT can be minimized while ensuring the existence of such a class of observer-based controllers for a given period of persistence. An example of DC-DC boost converter is provided to verify the effectiveness of theoretical findings. 展开更多
关键词 modal persistent dwell-time observer-based control packet losses redundant channels switched systems
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