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Fault detection for network-based nonlinear systems with communication constraints and missing measurements

机译:具有通信约束和缺少测量值的基于网络的非线性系统的故障检测

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This paper is dealt with the fault detection problem for a class of network-based nonlinear systems with communication constraints and random missing measurements. The nonlinear plant is described by a Takagi-Sugeno (T-S) fuzzy time-delay model, it has multiple sensors and only one of them can access to the fault detection filter at each transmission instant. The measurement signal is missing randomly and the missing rate differs from one channel link to another. The goal is to design a fault detection filter such that, the estimation error between the residual and fault is minimized. By casting the addressed fault detection problem into an auxiliary H filtering problem of a stochastic switched fuzzy time-delay system, a sufficient condition for the existence of the desired fault detection filter is obtained. A numerical example is provided to illustrate the effectiveness and applicability of the proposed technique.
机译:本文针对一类具有通信约束和随机丢失测量的基于网络的非线性系统的故障检测问题进行了研究。非线性设备由Takagi-Sugeno(T-S)模糊时间延迟模型描述,它具有多个传感器,并且每个传输瞬间都只有一个传感器可以访问故障检测滤波器。测量信号随机丢失,丢失率从一个通道链接到另一个通道都不同。目的是设计一种故障检测滤波器,以使残差和故障之间的估计误差最小。通过将解决的故障检测问题转化为随机切换模糊时滞系统的辅助H 滤波问题,可以为存在所需的故障检测滤波器提供充分的条件。提供了一个数值示例来说明所提出技术的有效性和适用性。

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