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In this paper, adaptive state feedback stabilizing controllers for networked adaptive control systems with actuator failures are developed. The problems of networked control systems such as; transmission delays and data-packets dropout induced by the insertion of data networks in the feedback adaptive control loops are also considered. Sufficient conditions for Lyapunov stability are derived in the...
This paper addresses the adaptive stabilization problem of linear networked control systems with network-induced delay in the presence of state-dependent disturbances. The case of state feedback is treated in which a new adaptive model of networked control system in the presence of network-induced delays and state-dependent disturbances is proposed. Based on Lyapunov stability theory, new delay-dependent...
Implementing a control system over a communication network induces inevitable time delays and data packet dropout that degrade system performance and can even cause instability. In this paper, A kind of networked control system with multiple-packet transmission is considered, and the fault-tolerant control design of an NCS with actuators failures is analyzed based on fault-tolerant control theory...
This paper deals with the problem of robust stochastic stabilization for Markovian jump nonlinear singular systems with Wiener process via a fuzzy-control approach. The Takagi-Sugeno (T-S) fuzzy model is employed to represent a nonlinear singular system with norm-bounded parameter uncertainties and Markovian jump parameters. The purpose of the robust stochastic stabilization problem is to design a...
The application of push technology will change our ways of obtaining information via Internet. The paper focuses on the methods of developing the application of network and the network integration techniques. The construction of communications interface between field control network and Internet, the accomplishment of the information exchange between web database and field control network, and the...
This paper focused on modeling and stability analysis of networked control system (NCS) with network-induced delay(NID) and data packet dropout. A novel model is proposed where NID and multiple-packet transmission existing simultaneously in NCSs. Sufficient conditions for stability of such NCSs are presented. Simulation is done to show the efficiency and feasibility of proposed approach.
This paper is concerned with the design problem of robust Hinfin reliable controller for nonlinear singular stochastic systems with actuator failures via a fuzzy-control approach. The Takagi-Sugeno (T-S) fuzzy model is employed to represent a nonlinear singular stochastic system with norm-bounded parameter uncertainties. The objective is to design a state feedback fuzzy controller such that, for all...
Presents a multi-level cascaded inverter with on single DC power source and give a generalized modulation method in this paper. Simulation and experiment shown this cascaded inverter needs less numbers of full-bridge unit than conventional cascaded topology to get same output levels. This cascaded converter can save a number of switching devices and separated powers source. The step modulation method...
This paper deals with the design problem of robust reliable controller for nonlinear singular stochastic systems. The Takagi-Sugeno (T-S) fuzzy model is employed to represent a nonlinear singular stochastic system with norm-bounded parameter uncertainties and time-delay. Based on linear matrix inequality (LMI) techniques and stability theory of stochastic differential equations, stochastic Lyapunov...
This paper deals with the design problem of reliable H∞ switching fuzzy controllers for continuous-time nonlinear systems with different actuator fault mode. The Takagi-Sugeno (T-S) fuzzy model is employed to represent a nonlinear system. A class of faulty switched system is constructed to model various faulty nonlinear systems. The objective is to design a state-feedback switching controller such...
In this work, we treat the network protocol and traffic as given conditions and develop a control strategy based on the maximum allowable delay bound of networked control systems that takes the network-induced delay into account. We construct a hierarchical control structure that consists of a main controller and a local closed-loop system. The local control system consists of a family of control...
In this paper we propose a two-layer emergent model for flocking behavior of intelligent engineering swarm system. The first emergent layer describe the flocking behavior of swarm resulting from the individual motion to its local goal position, the center of minimal circumcircle which is decided by the neighbors in the positive visual set of individual; the second one describe the individual flocking...
Networked control systems (NCS) are systems with at least one loop closed through data networks. NCS have many peculiarities, such as network-induced time delay, data packet dropouts, asynchronous clock among network nodes etc. It is necessary to develop new theory and technology for control system over networks. Many researchers are interested in NCS recently. In this paper, we emphasized on the...
NCS (networked control system) is a kind of feedback control systems where the control loops are closed through real-time control network. The existence of real-time network in the feedback control loop makes it more complex to analyse and design fault-tolerant control (FTC) of NCS. In this paper, scheduling and control co-design for the robust fault-tolerant control of NCS is studied based on robust...
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