期刊
INTERNATIONAL TRANSACTIONS ON ELECTRICAL ENERGY SYSTEMS
卷 31, 期 8, 页码 -出版社
WILEY-HINDAWI
DOI: 10.1002/2050-7038.12930
关键词
automatic voltage regulator; equilibrium optimizer algorithm; FOPID‐ DN controller; ITAE; transient response
资金
- TEQIP-III
This paper introduces a novel FOPID-DN controller, optimized using the EO algorithm, for maintaining terminal voltage in an AVR system. Comparative analysis with controllers tuned using different optimization algorithms shows that the proposed technique performs better.
This paper presents a novel fractional-order PID plus derivative with filter coefficient (FOPID-DN) controller for automatic voltage regulator (AVR) system using the MATLAB/Simulink environment. An AVR system is employed in the power system to maintain the terminal voltage at the desired level. Parameters of the proposed FOPID-DN controller are optimally tuned by the recently developed Equilibrium Optimizer (EO) algorithm. Performance of the designed FOPID-DN controller for an AVR system is compared with various controllers which are optimally tuned by different optimization algorithms. Comparative transient response analysis of the proposed technique has been carried out by considering vital transient response indicators like maximum overshoot, rise time, and settling time. Performance analysis of the proposed technique for an AVR system has been done by considering several input conditions. Robustness analysis of the EO algorithm tuned FOPID-DN controller has been performed by varying the time constants of different components in an AVR system. The capability of the FOPID-DN controller to handle nonlinearities of an AVR system has been investigated. The stability of the FOPID-DN controlled AVR system has been analyzed. In addition, the disturbance rejection capability of the FOPID-DN controlled AVR system has also been investigated. From the various simulation results obtained using the MATLAB/Simulink environment, it has been observed that the proposed FOPID-DN-based AVR system provided better performance as compared to different existing controllers.
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