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Composite temperature control for solid oxide fuel cells under degradation effects: Integration of active disturbance rejection and model predictive control.

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Bibliographic Details
Title:	Composite temperature control for solid oxide fuel cells under degradation effects: Integration of active disturbance rejection and model predictive control.
Authors:	Wu, Xiaolong¹ (AUTHOR), Zhong, Yunsheng¹ (AUTHOR), Li, Keye¹ (AUTHOR), Xu, Yuanwu² (AUTHOR), Chi, Bo³ (AUTHOR) chibo@hust.edu.cn, Peng, Jingxuan⁴ (AUTHOR), Li, Xi⁴ (AUTHOR)
Source:	International Journal of Green Energy. 2026, Vol. 23 Issue 3, p742-758. 17p.
Subject Terms:	Solid oxide fuel cells, Temperature control, Deterioration of materials, Mathematical models, Predictive control systems, Stability of linear systems
Abstract:	To improve the temperature performance and reliability of solid oxide fuel cell (SOFC) systems under long-term material degradation effects, this paper proposes a novel control method based on precise modeling and composite control strategies. This study develops a comprehensive mechanistic model incorporating key component degradation mechanisms and designs a composite model predictive control – active disturbance rejection control (MPC-ADRC) to enhance system stability. The model considers the degradation equations of anode nickel particles coarsening, decreased electrolyte ionic conductivity, and metal interconnects oxidation. Subsequently, a two-input-two-output coupled control structure is established with safety temperature constraints. The proposed composite control strategy integrates the advantages of both MPC and ADRC: achieving minimal control deviation of outlet temperature, shortest adjustment time, and optimal inlet temperature control. Compared with individual MPC and ADRC methods, the composite control demonstrates comprehensive advantages in SOFC temperature control. These results provide valuable insights for developing more effective SOFC control systems.. [ABSTRACT FROM AUTHOR]
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Database:	GreenFILE

Description
Abstract:	To improve the temperature performance and reliability of solid oxide fuel cell (SOFC) systems under long-term material degradation effects, this paper proposes a novel control method based on precise modeling and composite control strategies. This study develops a comprehensive mechanistic model incorporating key component degradation mechanisms and designs a composite model predictive control – active disturbance rejection control (MPC-ADRC) to enhance system stability. The model considers the degradation equations of anode nickel particles coarsening, decreased electrolyte ionic conductivity, and metal interconnects oxidation. Subsequently, a two-input-two-output coupled control structure is established with safety temperature constraints. The proposed composite control strategy integrates the advantages of both MPC and ADRC: achieving minimal control deviation of outlet temperature, shortest adjustment time, and optimal inlet temperature control. Compared with individual MPC and ADRC methods, the composite control demonstrates comprehensive advantages in SOFC temperature control. These results provide valuable insights for developing more effective SOFC control systems.. [ABSTRACT FROM AUTHOR]
ISSN:	15435075
DOI:	10.1080/15435075.2025.2572702