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Active Damping Injection Output Voltage Control with Dynamic Current Cut-Off Frequency for DC/DC Buck Converters

Author

Listed:
  • Sun Lim

    (Intelligent Robotics Research Center, Korea Electronics Technology Institute, Bucheon 401401, Korea)

  • Seok-Kyoon Kim

    (Department of Creative Convergence Engineering, Hanbat National University, Daejeon 34158, Korea)

  • Yonghun Kim

    (School of Mechanical Engineering, Chungnam National University, Daejeon 136701, Korea)

Abstract

With regard to DC/DC buck converter applications, the objective of this study is to expand the admissible range of the output voltage cut-off frequency while lowering the steady-state current cut-off frequency as possible. This study fortifies the inner loop by incorporating the novel subsystems such as an auto-tuner (for the dynamic current cut-off frequency) and active damping injection invoking the pole-zero cancellation nature with the particular designed feedback gain structure. The outer loop active damping control renders the closed-loop speed transfer function to be a first-order low-pass filter with the cooperation of the specially structured design parameters; in addition, it provides time-varying disturbance attenuation. The experimental results obtained for a 3-kW buck converter validate the feasibility of the proposed technique by showing a 34 % performance enhancement (at least) compared with the recent active damping controller.

Suggested Citation

  • Sun Lim & Seok-Kyoon Kim & Yonghun Kim, 2021. "Active Damping Injection Output Voltage Control with Dynamic Current Cut-Off Frequency for DC/DC Buck Converters," Energies, MDPI, vol. 14(20), pages 1-17, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:20:p:6848-:d:660051
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    References listed on IDEAS

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    1. Jing Li & Jinrui Tang & Xinze Wang & Binyu Xiong & Shenjun Zhan & Zilong Zhao & Hui Hou & Wanying Qi & Zhenhai Li, 2020. "Optimal Placement of IoT-Based Fault Indicator to Shorten Outage Time in Integrated Cyber-Physical Medium-Voltage Distribution Network," Energies, MDPI, vol. 13(18), pages 1-21, September.
    2. Sung Hyun You & Koo Bonn & Dong Soo Kim & Seok-Kyoon Kim, 2021. "Cascade-Type Pole-Zero Cancellation Output Voltage Regulator for DC/DC Boost Converters," Energies, MDPI, vol. 14(13), pages 1-14, June.
    3. Kyunghwan Choi & Kyung-Soo Kim & Seok-Kyoon Kim, 2019. "Proportional-Type Sensor Fault Diagnosis Algorithm for DC/DC Boost Converters Based on Disturbance Observer," Energies, MDPI, vol. 12(8), pages 1-14, April.
    4. Ying-Chieh Chen & Liang-Rui Chen & Ching-Ming Lai & Yuan-Chih Lin & Ting-Jung Kuo, 2020. "Development of a DC-Side Direct Current Controlled Active Ripple Filter for Eliminating the Double-Line-Frequency Current Ripple in a Single-Phase DC/AC Conversion System," Energies, MDPI, vol. 13(18), pages 1-16, September.
    5. Radek Martinek & Jaroslav Rzidky & Rene Jaros & Petr Bilik & Martina Ladrova, 2019. "Least Mean Squares and Recursive Least Squares Algorithms for Total Harmonic Distortion Reduction Using Shunt Active Power Filter Control," Energies, MDPI, vol. 12(8), pages 1-26, April.
    6. Kyunghwan Choi & Dong Soo Kim & Seok-Kyoon Kim, 2020. "Disturbance Observer-Based Offset-Free Global Tracking Control for Input-Constrained LTI Systems with DC/DC Buck Converter Applications," Energies, MDPI, vol. 13(16), pages 1-18, August.
    7. Soo Hyoung Lee, 2019. "Adaptive Droop Based Virtual Slack Control of Multiple DGs in Practical DC Distribution System to Improve Voltage Profile," Energies, MDPI, vol. 12(8), pages 1-16, April.
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    Cited by:

    1. Salah Beni Hamed & Mouna Ben Hamed & Lassaad Sbita, 2022. "Robust Voltage Control of a Buck DC-DC Converter: A Sliding Mode Approach," Energies, MDPI, vol. 15(17), pages 1-21, August.

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