电源学报

阻感负载下Watkins-Johnson变换器的减状态二重积分滑模控制

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黄超 , 刘胜道 , 李志新 , 何保委

电源学报 | DC-DC变换器 2025,23(5): 25-33

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电源学报 |DC-DC变换器 2025 , 23 (5) : 25 -33

阻感负载下Watkins-Johnson变换器的减状态二重积分滑模控制

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黄超（1998—　），男，硕士研究生。研究方向：高精度消磁电源。E-mail：huangchao10010@163.com

刘胜道（1998—　），男，博士，副研究员。研究方向：舰船消磁。E-mail：18986151073@189.cn

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刘胜道（1998—　），男，博士，副研究员。研究方向：舰船消磁。E-mail：18986151073@189.cn

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何保委（1998—　），男，博士研究生。研究方向：舰船消磁。E-mail：hebaowei188@163.com

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何保委（1998—　），男，博士研究生。研究方向：舰船消磁。E-mail：hebaowei188@163.com

黄超, 刘胜道, 李志新, 何保委

作者信息

海军工程大学电气工程学院，武汉　430033

通讯作者:

李志新（1998—　），男，通信作者，硕士，讲师。研究方向：高精度消磁电源。E-mail：01021332@163.com

作者简介:

黄超（1998—　），男，硕士研究生。研究方向：高精度消磁电源。E-mail：huangchao10010@163.com

刘胜道（1998—　），男，博士，副研究员。研究方向：舰船消磁。E-mail：18986151073@189.cn

何保委（1998—　），男，博士研究生。研究方向：舰船消磁。E-mail：hebaowei188@163.com

Reduced-state Double Integral Sliding-mode Control for Watkins-Johnson Converter under Resistive-inductive Loads

Chao HUANG, Shengdao LIU, Zhixin LI, Baowei HE

Affiliations

School of Electrical Engineering, Naval University of Engineering, Wuhan 430033, China

出版时间: 2025-09-30 doi: 10.13234/j.issn.2095-2805.2025.5.25

文章导航

摘要

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将二重积分滑模DISM（double integral sliding-mode）控制器引入到四开关Watkins-Johnson（WJ）变换器的控制策略中，能够提高变换器在双极性电压输出、宽阻感负载工况下的稳定性，但其控制器的直接应用存在状态变量无法测量，需要使用2个电流传感器、1个电压传感器的问题。针对该问题，利用非线性电阻近似代替变换器的输出负载阻抗，建立了适合滑模变结构控制的大信号降阶模型，并在此基础上设计了1种改进型的减状态DISM控制器。该改进型控制器利用滑模系数的匹配，消除了等效非线性电阻的影响，从而避免了状态变量无法直接测量、使用电压与电流传感器数量较多的问题。仿真与实验结果表明：减状态DISM控制器仅需使用1个电压传感器，就能使变换器稳定工作在双极性电压输出和宽阻感负载的工况，其输出动态响应性能受工作点变化的影响较小，具有较强的控制性能。

关键词

滑模控制 / 消磁电源 / Watkins-Johnson变换器 / 降阶模型

Abstract

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A double integral sliding-mode (DISM) controller is introduced into the control strategy for a four-switch Watkins-Johnson (WJ) converter, which can improve the stability of the converter under bipolar voltage output and wide resistive-inductive load conditions. However, the direct application of its controller has a problem that the state variables cannot be measured unless two current sensors and one voltage sensor are used. Aimed at this problem, a nonlinear resistance is used to approximately replace the output load impedance of the converter, a large-signal reduced-order model suitable for the control of a sliding-mode variable structure is established, and an improved reduced-state DISM controller is designed accordingly. The improved controller utilizes the matching of sliding-mode coefficients to eliminate the influence of equivalent nonlinear resistance, thus avoiding the problem that the state variables cannot be directly measured unless a large number of voltage and current sensors are used. Simulation and experimental results show that the reduced-state DISM controller only needs to use one voltage sensor to make the converter work stably under the condition of bipolar voltage output and wide resistive-inductive loads, and the dynamic response performance of its output is less affected by changes in the operating point, indicating a strong control performance.

Key words

Sliding-mode control / degaussing power supply / Watkins-Johnson (WJ) converter / reduced-order model

引用本文

黄超, 刘胜道, 李志新, 何保委. 阻感负载下Watkins-Johnson变换器的减状态二重积分滑模控制. 电源学报, 2025 , 23 (5) : 25 -33 . DOI: 10.13234/j.issn.2095-2805.2025.5.25

Chao HUANG, Shengdao LIU, Zhixin LI, Baowei HE. Reduced-state Double Integral Sliding-mode Control for Watkins-Johnson Converter under Resistive-inductive Loads[J]. Journal of Power Supply, 2025 , 23 (5) : 25 -33 . DOI: 10.13234/j.issn.2095-2805.2025.5.25

基金

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国家自然科学基金资助项目(51377165)

参考文献

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2025年第23卷第5期

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文章信息

doi: 10.13234/j.issn.2095-2805.2025.5.25

接收时间：2022-08-15
首发时间：2026-10-26
出版时间：2025-09-30

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出版历史

收稿日期：2022-08-15
修回日期：2022-09-23
录用日期：2022-11-03

基金

National Natural Science Foundation of China(51377165)

国家自然科学基金资助项目(51377165)

作者信息

海军工程大学电气工程学院，武汉　430033

通讯作者:

李志新（1998—　），男，通信作者，硕士，讲师。研究方向：高精度消磁电源。E-mail：01021332@163.com

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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