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Article Dans Une Revue IEEE Transactions on Power Electronics Année : 2020

Extended State Observer-Based Control of DC-DC Converters for Fuel Cell Application

Résumé

Due to the nonlinear volt-ampere characteristic of fuel cell (FC) stack, a dc-dc power converter is essential to be interfaced to regulate a stiff dc bus to properly power the load. In this paper, a robust controller based on extended state observer (ESO) is proposed for a dc-dc interleaved boost converter for FC application. The proportional-integral (PI) control is also designed for comparison. By rewriting the PI control law as the unified form of disturbance observer-based control, it is revealed that the PI control in fact uses the integral action as the disturbance estimation. Then, a theoretical study is conducted to fairly evaluate and compare the performance of these two controllers. The results show that the proposed controller has superior performance to the PI controller, without the need of extra sensors. Simulation and experiment results demonstrate the effectiveness of the proposed controller.
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Dates et versions

hal-02993868 , version 1 (07-11-2020)

Identifiants

  • HAL Id : hal-02993868 , version 1

Citer

Shengrong Zhuo, Arnaud Gaillard, Liangcai Xu, Damien Paire, Fei Gao. Extended State Observer-Based Control of DC-DC Converters for Fuel Cell Application. IEEE Transactions on Power Electronics, 2020, 35 (9), pp.9923-9932. ⟨hal-02993868⟩
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