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The model and the stability of the networked control system with time delay and data packet dropout are studied in this paper. Based on the fixed rate of the data packet dropout, the networked control system is modeled as an asynchronous dynamical system(ADS) with rate constraints on events. The sufficient condition to the exponential stability of the networked control system is derived from the conclusion...
In this paper, four new control methods of output feedback proportional-integral-derivative (PID) control, dynamical output feedback PID control, state feedback PID control and dynamical state feedback PID control are presented for networked control system (NCS) with time-delay and data packet dropout. The work focuses on the model, stability and PID controller design of NCS with time-delay and dropped...
For the multi-packet transmission networked control systems with uncertain short time delay and data dropouts, system modeling and control problem is studied on the condition that packet transmission using dynamic scheduling strategy. Supposing that the packet transmission process has the Markov characteristic, it is modeled as a class of discrete Markov jumping system with parameter uncertainty....
Implementing a control system over a communication network induces inevitable time delays and packet dropout that degrade performance and can even cause instability. In this paper, adjustable deadbands are explored as a solution to reduce network traffic in networked control system and we presented a new modeling method for networked control system with random time delays and communication constraints...
In this paper we study the effect of networks with long time delay in the feedback loop of a control system. A new model of the NCSs with long time delay was proposed using buffering method and the uncertain long time delay can be converted to switch in some certain time delays. Thus the networked control system with long time delay is modelled as a discrete-time Markov jumping linear system (MJLS)...
To solve the stability control problem of Networked Control Systems (NCS) with time delay, a new method of building a discrete fuzzy T-S model is proposed for NCS generalized plant, and the model is proved theoretically to be able to approach a real plant at an arbitrary precision. Based on the fuzzy T-S model, the sufficient stable condition of the fuzzy controller independent of time delay is deduced...
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