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首页> 外文期刊>IEEE Transactions on Automatic Control >On Finite-Horizon Filtering Under Stochastic Protocol: Dealing With High-Rate Communication Networks
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On Finite-Horizon Filtering Under Stochastic Protocol: Dealing With High-Rate Communication Networks

机译：随机协议下的有限视距滤波：处理高速通信网络

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摘要

This paper is concerned with the H filtering problem for a class of time-varying nonlinear delayed system under high-rate communication network and stochastic protocol (SP). The communication between the sensors and the state estimator is implemented via a shared high-rate communication network in which multiple transmissions are generated between two adjacent sampling instants of sensors. At each transmission instant, only one sensor is allowed to get access to the communication network in order to avoid data collisions and the SP is employed to determine which sensor obtains access to the network at a certain instant. The mapping technology is applied to characterize the randomly switching behavior of the data transmission resulting from the utilization of the SP. The aim of the problem addressed is to design an estimator such that the H disturbance attenuation level is guaranteed for the estimation error dynamics over a given finite horizon. Sufficient conditions are derived for the existence of the finite-horizon filter satisfying the prescribed H performance requirement, and the explicit expression of the time-varying filter gains is characterized by resorting toa set of recursive matrix inequalities. Simulation results demonstrate the effectiveness of the proposed filter design scheme.
机译：本文涉及一类时变非线性时滞系统在高速通信网络和随机协议（SP）下的H滤波问题。传感器和状态估计器之间的通信是通过共享的高速通信网络实现的，在该网络中，在传感器的两个相邻采样时刻之间会生成多个传输。在每个传输时刻，仅允许一个传感器访问通信网络，以避免数据冲突，并且使用SP确定哪个传感器在特定时刻获得对网络的访问。映射技术用于表征由于SP的使用而导致的数据传输的随机切换行为。解决该问题的目的是设计一种估计器，以确保在给定的有限范围内为估计误差动态提供H干扰衰减水平。得出满足规定的H性能要求的有限水平滤波器的存在的充分条件，并且借助于一组递归矩阵不等式来表征随时间变化的滤波器增益。仿真结果证明了所提出的滤波器设计方案的有效性。

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