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The robust control for a class of distributed parameter switched systems with time-delay is studied. The sufficient condition for the existence of the hybrid state feedback robust controller for the closed-loop switched systems is obtained based on Green formula and Lyapunov function method. Using the linear matrix inequality (LMI) approach, the design of the robust controller is converted into finding...
Steam temperature control quality of the boiler in thermal electric power is one of the most parameters of equipment security and economy. In allusion to the NO.2 600MW subcritical boiler steam temperature system of Huainan Pingwei electric power Ltd., an on-line identification method was proposed by the real-time working data acquisition and the use of advanced control software platform developed...
In view of the friction nonlinearity and uncertain external disturbance in the bi-axis servo system, on the basis of analyzing the contour error of the system, combined with the cross-coupling control idea, an improved second-order Active Disturbance Rejection Controller (ADRC) was proposed. The inner disturbance and outside disturbance of the system, as well as the friction could be observed and...
Cultural Algorithm (CA) derived from the simulation of evolution of human being society, provides a new computable framework of evolution algorithms, and a different problem can use a different main population and knowledge space. This paper introduced Ant Colony Algorithm (ACA) into Cultural Algorithm framework, and put forward Cultural based Ant Colony Algorithm (ACCA), and presented the design...
The concept of distributed parameter switched systems was presented through introducing switched systems into distributed parameter systems (DPS). By using the model description method of switched systems and DPS, a model of a class of nonlinear distributed parameter switched systems was given. Stabilization of the nonlinear distributed parameter switched systems with two classes of subsystems was...
The general model of distributed parameter switched systems (DPSS) was presented by means of operator semigroup theory. On condition that the infinitesimal generator operators of all subsystems satisfy multiplication commutative law, the sufficient conditions of exponential stability and switching laws were obtained for the DPSS consisting of subsystems with the same or various patterns. Meanwhile,...
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