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Quasi-synchronization is an important type of synchronization because of the parameter mismatches in the real world, so we will investigate it for a delayed network, which is master-slave coupled. By applying the aperiodically and nonlinearly intermittent control on the network, and assuming the time delay is varying, we will present some useful criteria for exponential quasi-synchronization. The...
Optimal control method of greenhouse temperature aimed at disturbances in the greenhouse environment system was proposed. Design a disturbance observer at first. In this section the focus was mainly on the selection of Q filter's parameters. Then design a quadratic optimal output tracker on the basis of disturbance observer. Finally simulate and verify the designed optimal controller based on a simplified...
The state-space analysis and synthesis part of automatic control theory is abstract in theory, difficult to calculate and hard to understand. In order to change the former teaching way and carry on teaching revolution, the experimental platform is designed. In this experimental platform, MATLAB 7 is adopted to realize the interface program design. The platform includes the main content of state-space...
Conventional PI regular is a simple control method that is widely applied in permanent magnet synchronous motor (PMSM) control systems. However, in most cases, it cannot meet the requirements of high performance control. In order to improve system robustness and response, this paper adopts sliding mode variable structure control strategy in the design of a double-loop controller (speed loop and current...
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