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Quantised H∞ filtering for networked systems with random sensor packet losses
Author(s): W.-W. Che, J.-L. Wang, G.-H. Yang
Source: IET Control Theory & Applications, Volume 4, Issue 8, 2010 , p. 1339 - 1352
Type: Article
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This study is concerned with the quantised H∞ filtering problem for discrete-time systems subject to limited communication capacity, which includes measurement quantisation and random sensor packet losses. By introducing an improved quantised random packet-loss model, the effects of the packet-loss rate and the upper bound of consecutive packet losses and the quantisation on the system performance are considered simultaneously. A quantised H∞ filter design strategy with the minimised static quantiser range is designed to guarantee the error system exponentially mean-square stable and also achieve the prescribed H∞ disturbance attenuation level. A numerical example is given to illustrate the effectiveness of the proposed filter design method.

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