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For the networked control systems (NCSs) with time-delay and the characteristic of Markovian data dropout, the model is established as Markovian jump linear systems with two running modes without changing the structure of the initial control systems. Furthermore, the condition for the existence of the mode-depended state feedback control law is derived. The design method for state feedback controller...
The problem of state feedback control for networked control systems (NCSs) based on state observer is investigated. Suppose that the sensor node is time-driven, the controller and the actuator are event-driven, and the uncertain time-delay which is less than or equal to one sampling period, an augmented model for NCSs is developed. By using linear matrix inequality (LMI) formulation, the conditions...
In this work, we present a monitor and rescue system utilizing hybrid networks which is a integration of stationary sensor networks and mobile sensor networks: stationary sensor networks comprised of large numbers of small, simple, and inexpensive wireless sensors, and the mobile sensor network contains a set of mobile sensors (robots). The static sensors in our network have “monitoring” ability,...
The benefits of using mobile sink to prolong sensor network lifetime have been well recognized. However, few provably theoretical results remain are developed due to the complexity caused by time-dependent network topology. In this work, we investigate the optimum routing strategy for the static sensor network. We further propose a number of motion stratifies for the mobile sink(s) to gather real...
A new way to study reliability-based service composition. First, an interference model is proposed to quantitatively characterize and measure the interference. Then, based the model, we present a minimum interference service composition and recovery algorithms (MISCR) by exploiting the local path recovery and reliable service paths. The experimental results show that our model and algorithms can achieve...
With the features of HF data communication, an improved multicast protocol derived from RMTP (reliable multicast transport protocol) for HF reliable multicast transportation is provided. Since RMTP is not fitted for HF communication, the concept of "transmission in one layer; more layers support; and feedback in different layers on different time" is provided, some modifications are made...
This paper studies the problem of designing robust Hinfin controllers for networked control systems with time delay, packet dropout and time-varying sampling period, which may receive control input during a sampling period. The problem of controller design for aforesaid NCSs is converted into a multi-objective optimization problem in terms of LMIs, and some methods can be used to deal with the multi-objective...
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