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In recent years, distributed generation (DG) and renewable energies source (RES) are attracting special attention to distribution systems. Renewable energy such as photovoltaic system and wind turbine generator are used as the sources of green energy. However, the large amount of distributed generation causes voltage deviation beyond the statutory range in distribution systems. This paper proposes...
The PID (proportional, integral, differential) control method is widely applied to missile attitude control. The usual empirical method for optimizing the three control parameters of Kp, Ki and Kd can not optimize them on line and in real time. The paper presents the PID parameter optimization method that uses RBF neural network, applies it to a missile's longitudinal control system parameter optimization...
A new approach for designing control systems which possess the property of component swapping modularity is presented. The system is assumed to consist of several “smart” components, which can perform computations, and communicate via bidirectional communication networks. Compared to a previous 3-step design method, the new method proposed here is to design the optimal distributed controllers directly,...
The exact stationary response of the suspension vehicle system under the random road excitation is deduced based on the stochastic averaging method. Then, the control law is assumed to be velocity feedback control and the unknown control gains are determined by minimizing the modal performance indices. A quarter-car model is taken as example to illustrate the proposal method and the numerical results...
In this paper, a detailed study on the tuning scheme of PI controllers utilizing the advanced numerical optimization is presented for loss minimization operation and optimal torque control in a vector controlled induction motor drive. The robust PI controller design problem is solved by the maximization of gain margin and phase margin. Thus, the presented controllers can stabilize the system for various...
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