信息与控制2016，Vol.45Issue(5)：530-536,7.DOI:10.13976/j.cnki.xk.2016.0530
增益随机变化随机丢包时滞系统非脆弱H∞滤波
Non-fragile H∞Filtering for Time-delay Systems with Random Gain Variations and Random Packet Dropouts
摘要
Abstract
We design a non-fragile H∞ filter for a class of discrete systems with infinite-distributed delays and ran-domly missing measurements.The proposal is made in consideration of the fact that current digital control sys-tems are discrete ones.Random variables conformed to the Gaussian distribution are utilized in the gains of the filter to simulate the phenomenon of random gain variations in the discrete system.Infinite-distributed de-lays are then introduced to reflect the influence from the limited bandwidth in the networked control systems. Furthermore,the phenomenon of randomly missing measurements depicted by a Bernoulli distributed white se-quence is considered.Based on Lyapunov stability theory,stochastic analysis technologyand LMI skills,the sufficient conditions for the existence of the non-fragile H∞ filter are obtained.These conditions help make the filter error system asymptotically stable while simultaneously satisfying the performance index.As a result, the filter gains become solvable via the semi-definite programming technique.Finally,a numerical simulation is provided to illustrate the effectiveness of the research.关键词
非脆弱H∞滤波/随机发生增益变化/无穷分布时滞/随机丢包/随机变量Key words
non-fragile H∞ filtering/randomly occurring gain variations/infinite-distributed delay/random packet dropout/random variable分类
信息技术与安全科学引用本文复制引用
王琼,侯男,任伟建,孙辉..增益随机变化随机丢包时滞系统非脆弱H∞滤波[J].信息与控制,2016,45(5):530-536,7.基金项目
国家自然科学基金资助项目（61374127）；黑龙江省博士后科研启动资金资助项目（LBH-Q12143）；东北石油大学研究生创新科研项目资助 （）
