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It is well known that networked control system can be modeled as a discrete model with a multiple steps delay in two control items when the network-induced delay is longer than a sampling period. Based on this discrete model with a multiple delay in two control items, a new model of networked control systems is got by two steps transformation. One control item with time delay is disappeared in this...
This paper deals with networked control systems with random long time-delay problem. According to the actual time-delay, we design a discrete model of networked control systems and propose a fuzzy controller based on parallel distributing compensation theory. The method to design membership function is also presented. Lyapunov theory and linear matrix inequality are used to derive the sufficient conditions...
This paper presents an efficient numerical method to realize a discrete model of fractional order PID controllers for systems containing backlash nonlinearity. This model is based on a class of Stieltjes integrals transferred from the Riemann-Liouville definition. The discretization method is to calculate on inhomogeneous sampling periods which are getting longer as the operation points go back toward...
The paper studies performance of the uncalibrated hand-eye coordination system, whose image Jacobian matrix is estimated by Neural Network way. Since the training conditions of NN are far from that of the practical working conditions, there are some unmodelled dynamics to be compensated in system controller designing. The discrete model of the system is set up, in accordance with the system dynamics...
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