Control and Optimization of Power Converters and Drives

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".

Deadline for manuscript submissions: 15 June 2024 | Viewed by 1319

Special Issue Editors

School of Automation, Wuhan University of Technology, Wuhan 430070, China
Interests: power converters; motor drive; control optimization
School of Integrated Circuit, Huazhong University of Science and Technology, Wuhan 430070, China
Interests: power electronics; model predictive control; PoL power supply

Special Issue Information

Dear Colleagues,

With the booming development of electric vehicles, data centers, cloud computing, and artificial intelligence, the demand for high-performance power supplies and power inverters is increasing rapidly. Meanwhile, strict requirements are placed on the performance of power converters and inverters. First, the ever-increasing use of power electronics in high-tech applications requires non-conventional solutions to increase efficiency, as well to allow stronger integration of the various components that form power electronic systems. Second, the dynamic power demands of modern devices continue to increase, posing strict requirements on the transient response of power converters and inverters. Managing transient behavior and analyzing stability in complex systems is still challenging, and numerous research efforts have been made towards addressing these, ranging from wide-bandgap semiconductor devices and power converter topologies to converter/system modeling and control strategies. Nevertheless, many interesting aspects still require more investigation.

This Special Issue is devoted to identifying the technical barriers and latest progress in high-performance power electronics systems. Original research articles and reviews are welcome addressing topics such as (but not limited to) the following:

  • High-frequency power converters;
  • Switch capacitor converters;
  • WBG devices in power electronic converters;
  • Gate driver and device protection;
  • Modeling methodologies for high-frequency converters, including dynamical modeling and accurate power loss characterization;
  • Control optimization for power electronic converters;
  • Advanced control in motor drive;
  • PMSM design optimization.

Dr. Qiao Zhang
Dr. Run Min
Guest Editors

Manuscript Submission Information

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Keywords

  • power converter
  • DC-DC
  • DC-AC
  • AC-DC
  • motor drive
  • gate driver
  • control optimization
  • modeling

Published Papers (2 papers)

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Research

17 pages, 2774 KiB  
Article
Parameter Identification for Maximum Torque per Ampere Control of Permanent Magnet Synchronous Machines under Magnetic Saturation
by Mingyu Yan, Bisheng Wen, Qing Cui and Xiaoyan Peng
Electronics 2024, 13(4), 699; https://doi.org/10.3390/electronics13040699 - 08 Feb 2024
Viewed by 518
Abstract
This paper applies the identified parameters of permanent magnet synchronous machines (PMSMs) for the maximum torque per ampere control (MTPA) under magnetic saturation. The variation in magnet flux with current is determined using a position offset approach while the variation in q-axis [...] Read more.
This paper applies the identified parameters of permanent magnet synchronous machines (PMSMs) for the maximum torque per ampere control (MTPA) under magnetic saturation. The variation in magnet flux with current is determined using a position offset approach while the variation in q-axis inductance with the current is estimated from the d-axis voltage equation afterward. In addition, the d-axis inductance is estimated at standstill by the injection of a small amplitude of high frequency d-axis current. The curve-fitted results of estimated parameters under different saturation conditions are then employed to aid the derivation of MTPA control law. The proposed method is experimentally verified on two prototype PMSMs. Experimental results show that compared with conventional MTPA schemes using fixed values of magnetic parameters, the proposed method can increase maximum output torque by 2.1% and 3.2% on two prototype PMSMs, respectively. Full article
(This article belongs to the Special Issue Control and Optimization of Power Converters and Drives)
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22 pages, 18510 KiB  
Article
A Transient Event-Capturing Circuit and Adaptive PI Control for a Voltage Mode Superbuck Converter
by Yinyu Wang, Baoqiang Huang, Yuanxun Wang, Haoran Xu, Desheng Zhang and Qiaoling Tong
Electronics 2024, 13(1), 107; https://doi.org/10.3390/electronics13010107 - 26 Dec 2023
Viewed by 527
Abstract
This paper proposes a transient event-capturing circuit and adaptive PI control to monitor and improve the transient response of a superbuck converter. The transient event-capturing circuit is composed of coupling and capturing circuits. The coupling circuit converts the output voltage to the sensed [...] Read more.
This paper proposes a transient event-capturing circuit and adaptive PI control to monitor and improve the transient response of a superbuck converter. The transient event-capturing circuit is composed of coupling and capturing circuits. The coupling circuit converts the output voltage to the sensed voltage, whereas the DC and ripple components are eliminated. By counting the up-crossing and down-crossing numbers of the sensed voltage, the capturing circuit classifies the output voltage response into different transient events according to oscillation cycles. The transient events carry the stability information that can be used to adjust the bandwidth and phase margin. Finally, an adaptive PI controller is implemented with the proposed transient event-capturing circuit to improve the stability and transient response. Experimental results of the 100 W superbuck converter verify the effectiveness of the adaptive PI controller for improving the transient response and stability. The adaptive PI controller eliminates the oscillations due to deviated parameters and operating conditions. The maximum oscillation amplitude is reduced from 2 V to 400 mV at the reference voltage change. Full article
(This article belongs to the Special Issue Control and Optimization of Power Converters and Drives)
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