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This paper presents an improved result on the problem of H∞ analysis for networked control systems (NCSs) under the event-triggered communication scheme. The contribution of this paper has two aspects: (1)an improved method is proposed to calculate the maximum allowable number of successive packet losses (MANSPL)-dMANSPL with less conservative condition;(2)then, a stability theorem is presented for...
The efficiency and the service life of the photovoltaic modules are affected by the surface defects. Therefore, it is critical to detect the photovoltaic modules whether it is qualified or not before assembling into solar panels. This paper applies a method to detect micro-cracked defects in photovoltaic modules using electroluminescence (EL) technology and image processing. After applying forward...
This paper is concerned with two-layer networked learning control system architecture that is consisted of local controller and learning agent. Firstly, networked nondeterministics are tracked respectively by zero order holding (ZOH) and cubic spline interpolator in local controller and learning agent. Then fuzzy control strategy is used in local controller, and an improved radial basis function (RBF)...
This paper presents a grey predictive control method for a class of nonlinear systems with unknown input delay. By using BP neural network, the unknown input delay is identified firstly. The system output is then estimated by the grey predictive algorithm. The output feedback control is fulfilled by PID algorithm which is used to tune its three parameters. By means of combining grey predictive algorithm...
This paper studies the stabilization of the ball-and beam system by using switching control and state feedback. A numerical example is shown to illustrate an error in the results of paper (M. Guoliang et al., 2004). The reason causing such error is analyzed and the corresponding corrections are provided. The step of designing switching control strategy is presented.
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