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Predictive torque control (PTC) gains a lot of interest lately. Although the flux-weighting factor is the only tuning parameter in PTC, its selection is not a trivial task. This paper proposes an improved multi-objective fuzzy decision based method to select the best compromise voltage vector. The salient feature of the proposed approach lies in its capability to avoid high torque ripple and the need...
This paper presents an optimization technique to adjust the LQR and PID controller parameters to control the nonlinear plant of inverted pendulum using the integral square error (ISE) as an objective function. The system is modeled in the state space representation. The control task is to move the cart of the inverted pendulum to a desired point and stabilize the angle of the pendulum at the vertical...
The Effect of increasing penetration of full converter controlled-based generators (CCBGs) in a large scale power system is evaluated by using MATLAB program based on small signal stability analysis. The power system has been subjected for two types of tests, the first test has been implemented by disturbing the system through applying 3-phase fault at the infinite bus system, and the second one by...
Renewable energy sources such as Solar, wind etc. have gained a lot of interest and application in the recent years, as they can provide electric power on a large scale and are environment friendly. The advancement in the technology of these renewable energy systems has been investigated now a days with a lot of interest. An integral component of the power electronics system that interfaces a renewable...
Photovoltaic (PV) panel can be represented by an equivalent electric circuit where the major problem with this PV model is the determination of the model parameters. In this paper, PV parameter estimation problem is converted to an optimization problem where Differential Evolution (DE) as an efficient optimizing technique is employed to estimate the model parameters at standard test condition (STC)...
This paper presents a fully adaptive fault location algorithm for series-compensated lines (SCLs) based on synchronized phasor measurements obtained by phasor measurement units (PMUs). The proposed algorithm does not require any knowledge on the exact model of the series-compensation device and, therefore, can be applied to transmission lines with any type of series compensation. In addition, the...
The dynamic nature of the distribution network challenges the stability and control of the microgrids. In this paper, nonlinear model of the autonomous microgrid is presented. Optimal controller design and power sharing coefficients is carried out in this mode. The control problem has been formulated as an optimization problem where particle swarm optimization (PSO) is employed to search for optimal...
In this paper, optimal controller design of the nonlinear model of an autonomous inverter-based microgrid has been used. The controller is optimized to reject the high frequency disturbances and damp the output LC filter to avoid resonance with the external network. The control problem has been formulated as optimization problem. The optimal controller parameters have been obtained by using the particle...
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