基于新型预设性能控制的LC型逆变器

doi:10.3969/j.issn.0255-8297.2022.05.014

Abstract

Abstract: In order to improve the performance of LC inverters, a novel prescribed performance voltage controller is presented in this paper. Firstly, a mathematical model is established based on circuit theory and topology. Secondly, a finite-time prescribed performance function is employed to overcome the disadvantage of slow convergence in exponential function. Thirdly, with the purpose of making the voltage tracking error converge along the desired trajectory, a voltage controller is designed. Finally, a disturbance observer is designed to reduce the effects of load or parameters changes and other disturbance factors on output voltage. Simulation results obtained with MATLAB/Simulink platform verify the feasibility and effectiveness of the proposed novel prescribed performance control strategy.

Key words: prescribed performance, inverter, dual-loop control, filter, disturbance observer

CLC Number:

TM464

SHI Jianqiang, LI Shuang. LC Inverter Based on Novel Prescribed Performance Control[J]. Journal of Applied Sciences, 2022, 40(5): 850-864.

References

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LC Inverter Based on Novel Prescribed Performance Control

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