Simulation results are used to verify the performance and robustness of the proposed controller, with comparison against the conventional double-loop PI controller.
📌 3 Key Takeaways
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Objective & Hypothesis:The interleaved boost converters used in fuel cell (FC) applications are inevitably affected by disturbances, making output voltage regulation challenging.
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Key Findings & Data:To address this issue, this paper proposes an improved robust voltage control strategy based on an extended state observer (ESO), which is implemented in interleaved DC-DC converters for FC systems.
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Conclusion & Impact:Simulation results are used to verify the performance and robustness of the proposed controller, with comparison against the conventional double-loop PI controller.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Active Disturbance Rejection Control · Extended State Observer · Fuel Cell
Abstract
The interleaved boost converters used in fuel cell (FC) applications are inevitably affected by disturbances, making output voltage regulation challenging. To address this issue, this paper proposes an improved robust voltage control strategy based on an extended state observer (ESO), which is implemented in interleaved DC-DC converters for FC systems. The super-twisting (ST) algorithm is used to track reference current in the inner loop. In the outer loop design, an ESO based controller is used to ensure output voltage regulation while generating the reference current required for the inner loop. Simulation results are used to verify the performance and robustness of the proposed controller, with comparison against the conventional double-loop PI controller.
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