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Quantised H∞ filtering for networked systems with random sensor packet losses

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3 Author(s)
Che, W.-W. ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore ; Wang, J.-L. ; Yang, G.-H.

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.

Published in:

Control Theory & Applications, IET  (Volume:4 ,  Issue: 8 )