ACTIVE DISTURBANCE REJECTION CONTROL STRATEGY OF BIDIRECTIONAL DC-DC CONVERTER ON ENERGY STORAGE SIDE BASED ON FUZZY NEURAL NETWORK

Ma Youjie; Yang Qing; Zhou Xuesong; Tao Long; Wang Hongbin; Zhao Jiaxin

doi:10.19912/j.0254-0096.tynxb.2022-0822

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (10) : 488-495. DOI: 10.19912/j.0254-0096.tynxb.2022-0822

ACTIVE DISTURBANCE REJECTION CONTROL STRATEGY OF BIDIRECTIONAL DC-DC CONVERTER ON ENERGY STORAGE SIDE BASED ON FUZZY NEURAL NETWORK

Ma Youjie¹, Yang Qing¹, Zhou Xuesong¹, Tao Long², Wang Hongbin³, Zhao Jiaxin⁴

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Abstract

In the DC microgrid, in order to ensure the smooth and stable energy flow between the energy storage device and the busbar, and solve the problem of deteriorating the control effect due to the uncertainty of the working conditions, on the basis of establishing the small signal mathematical model of the bidirectional DC-DC converter, a fuzzy neural network-based active disturbance rejection control strategy for the bidirectional DC-DC converter is designed in this paper. The linear extended state observer is used to estimate and compensate the total disturbance. Combined with fuzzy neural network to achieve online optimization of controller parameters. The control strategy proposed in this paper, linear ADRC control and proportional-integral control of the DC bus side voltage waveform under different working conditions are analyzed and compared, which shows the correctness and effectiveness of the ADRC control strategy proposed in this paper. Finally, Monte Carlo experiments under parameter perturbation show that the control method has good robustness.

Key words

microgrids / energy storage / DC-DC converters / fuzzy neural networks / linear active disturbance rejection control

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Ma Youjie, Yang Qing, Zhou Xuesong, Tao Long, Wang Hongbin, Zhao Jiaxin. ACTIVE DISTURBANCE REJECTION CONTROL STRATEGY OF BIDIRECTIONAL DC-DC CONVERTER ON ENERGY STORAGE SIDE BASED ON FUZZY NEURAL NETWORK[J]. Acta Energiae Solaris Sinica. 2023, 44(10): 488-495 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0822

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