Article Dans Une Revue Journal of Engineering Research and Reports Année : 2025

DSP Implemented One Cycle Control for Duty Cycle Optimization in Wide Input Voltage Range Boost Converters

Résumé

Aims: To design and implement an optimized non-linear DSP-based control strategy using one-cycle control (OCC) for a boost converter aimed at mitigating voltage fluctuations in renewable energy systems integrated with DC microgrids, and to evaluate its performance under dynamic load and input voltage conditions. Study Design: Experimental validation with simulation-based pre-testing. Place and Duration of Study: Department of Electrical Engineering, [Ankara Yildirim Beyazit University], simulations conducted using MATLAB/Simulink, and hardware implementation tested using the TMS320F28069M digital signal processor. The study was carried out over a 6-month period in 2024. Methodology: An OCC duty cycle pre-calculation method was implemented on a DSP-based controller (TMS320F28069M) to enable real-time adjustments to the boost converter’s duty cycle in response to variations in input voltage and load conditions. MATLAB/Simulink simulations were first used to evaluate performance, followed by experimental testing under input transitions from 13V to 24V and vice versa, and load shifts from half to full load and reverse. Results: The proposed controller achieved a steady-state voltage with minimal ripple and overshoot: 0.3 Vpp / 14.3% for 13–24V and 0.5 Vpp / -12.31% for 24–13V transitions, with settling times of 3.6 ms and 1.9 ms, respectively. Load transition tests (half to full and full to half) resulted in settling times of 1.2 ms and 1.6 ms, with voltage overshoots of 8.33% and -6.64%, respectively. The system reached a peak efficiency of 90.26%. Conclusion: The study demonstrates that OCC-based non-linear DSP control methods offer fast, stable, and efficient regulation of boost converters in renewable energy applications, making them highly suitable for DC microgrid integration.

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Dates et versions

hal-05076754 , version 1 (21-05-2025)

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Ahmet Karaarslan, Ali Shaibu. DSP Implemented One Cycle Control for Duty Cycle Optimization in Wide Input Voltage Range Boost Converters. Journal of Engineering Research and Reports, 2025, 27 (5), pp.357-369. ⟨10.9734/jerr/2025/v27i51512⟩. ⟨hal-05076754⟩
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