Control And Filtering Of A Networked Handover System Based On Resident Probability Information

Switched systems are composed of a finite number of subsystems and a corresponding switching rule, which can be used for many complex systems and is closer to the real system than the general model. In addition, with the increasing demand for control performance and safety, the monitoring and controlling of the system through the networked have been widely studied. Therefore, the networked switched system is a significant research topic.The sojourn probability is the probability that the switched system stays in a specific subsystem within a long time. In this paper, we present a sojourn-probability-dependent method to build a new switched system model. The output feedback control and finite time H? control problem of the switched system are studied by using the Lyapunov functional. The network-induced delay and packet loss are introduced based on switched systems, then a new networked switched system model is build. We analyze and solve the H? control problem of networked switched system considering asynchronous switching and network channel fading.First of all, by using sojourn probability information, the new stochastic switched system model is given. Sufficient conditions for the robust H? stability of such systems are presented by using Lyapunov functional method and linear matrix inequality technique. The H? performance level y and output feedback controllers are also obtained. Then the effectiveness of the proposed method is verified by a simulation example.Secondly, the finite time H? control problem for discrete switched systems is studied. We use the sojourn probability information to propose a new switched system model. The sufficient conditions for finite time H? boundedness are obtained by using Lyapunov functional method. Then we give the design of finite time H? feedback controller. At the same time, the partly unknown sojourn probability and the existence of uncertainty in the model are taken into account. Besides, we give the corresponding analysis method. Then it is proved that the method is correct by the data of a set of switching system.Then, the H? control problem of the networked switched system considering asynchronous switching is studied. Considering the network-induced delay and packet loss, a new networked switched system model is obtained by using the asynchronous sampling switching system with time varying delay and the sojourn probability information. Then, the sufficient conditions for the robust H? stochastic stability of the networked switched control systems and the H? performance level y of the system are given. The simulation results show that the proposed method can satisfy the desired performance of the system.Finally,considering the channel fading due to the network in the actual system,a new model of networked switched systems by means of sojourn probability information is established. By using the Lyapunov functional method, the H? filtering performance of the networked switched systems analysis and the design method of H? filter are given. Then we prove the validity of the method by simulation.