Article(id=1322531540245000398, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1322531529172046652, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2026.4.59, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1706371200000, receivedDateStr=2024-01-28, revisedDate=1709481600000, revisedDateStr=2024-03-04, acceptedDate=1711468800000, acceptedDateStr=2024-03-27, onlineDate=1793245690641, onlineDateStr=2026-10-29, pubDate=1777478400000, pubDateStr=2026-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793245690641, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793245690641, creator=13701087609, updateTime=1793245690641, updator=13701087609, issue=Issue{id=1322531529172046652, tenantId=1146029695717560320, journalId=1146031654075715584, year='2026', volume='24', issue='4', pageStart='1', pageEnd='352', issueExtLink='null', onlineDate='null', pubDate='1777478400000', pubDateStr='2026-04-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793245688002, creator='13701087609', updateTime=1793245688002, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=59, endPage=68, ext={EN=ArticleExt(id=1322531542656725199, articleId=1322531540245000398, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Variable-gain Approach Backstepping Sliding-mode Control of DC Microgrid Bidirectional Converter Based on NDO, columnId=1321491632424338129, journalTitle=Journal of Power Supply, columnName=Power Converter Modeling and Control, runingTitle=null, highlight=null, articleAbstract=

Aimed at the issue of bus voltage instability caused by constant-power load in a DC microgrid, a variable-gain approach backstepping sliding-mode control strategy based on a nonlinear disturbance observer (NDO) is proposed. First, the exact feedback linearization method is used to obtain the standard Brunovsky linear model of a bidirectional DC-DC converter. Second, a backstepping sliding-mode controller is designed to enhance the robustness of the system while reducing its adjustment time. The error variables are linearly combined to form a sliding-mode surface, and the sliding-mode approach law of power-exponential variable-gain is constructed to achieve fast and accurate tracking of the reference voltage. On this basis, the NDO is introduced to estimate the system perturbation in realtime, and the estimation results are compensated to the backstepping sliding-mode controller to further reduce the steady-state voltage deviation of the system. Finally, MATLAB simulations and an RT-LAB HIL platform demonstrate that the proposed control strategy can enhance the steady-state performance of the system and is highly robust with respect to system and parameter perturbations.

, authors=Jingwen CHEN1, Yuan WANG1, Fuqiang WANG2, Tongxin WANG2, authorsList=Jingwen CHEN, Yuan WANG, Fuqiang WANG, Tongxin WANG, authorCompany=null, correspAuthors=Yuan WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322531543273287890, articleId=1322531540245000398, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=基于NDO的直流微网双向变换器变增益趋近反步滑模控制, columnId=1321491632592110291, journalTitle=电源学报, columnName=电力电子变换器建模与控制, runingTitle=null, highlight=null, articleAbstract=

针对直流微网带恒功率负载时出现的母线电压不稳问题,提出1种基于非线性扰动观测器NDO(nonlinear disturbance observer)的变增益趋近反步滑模控制策略。首先,利用精确反馈线性化方法得到系统双向DC-DC变换器的Brunovsky标准线性模型。其次,为增强系统的鲁棒性、减小系统调节时间,设计反步滑模控制器,将误差变量进行线性组合构成滑模面,并构造幂指数型变增益的滑模趋近律,实现对参考电压的快速精准跟踪;在此基础上,引入NDO对系统扰动进行实时估计,将估计结果补偿到反步滑模控制器中,进一步减小系统的稳态电压偏差。最后,通过MATLAB及RT-LAB半实物平台证明所提控制策略能够改善系统的稳态性能,且对系统扰动及参数摄动均具有较好的鲁棒性。

, authors=陈景文1, 王媛中国电源学会学生会员1, 王福强2, 王同新2, authorsList=陈景文, 王媛中国电源学会学生会员, 王福强, 王同新, authorCompany=null, correspAuthors=王媛中国电源学会学生会员, authorNote=

陈景文(1978— ),男,博士,教授。研究方向:智能微电网技术。E-mail:。

王福强(1976— ),男,研究生,高级工程师。研究方向:电力电子能源。E-mail:。

王同新(1981— ),男,研究生,高级工程师。研究方向:电力电子能源。E-mail:。

, correspAuthorsNote=
王媛(2000— ),女,中国电源学会学生会员,通信作者,硕士研究生。研究方向:直流微电网稳定性分析与控制。E-mail:。
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陈景文(1978— ),男,博士,教授。研究方向:智能微电网技术。E-mail:。

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陈景文(1978— ),男,博士,教授。研究方向:智能微电网技术。E-mail:。

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王福强(1976— ),男,研究生,高级工程师。研究方向:电力电子能源。E-mail:。

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王福强(1976— ),男,研究生,高级工程师。研究方向:电力电子能源。E-mail:。

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王同新(1981— ),男,研究生,高级工程师。研究方向:电力电子能源。E-mail:。

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基于NDO的直流微网双向变换器变增益趋近反步滑模控制
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陈景文 1 , 王媛中国电源学会学生会员 1 , 王福强 2 , 王同新 2
电源学报 | 电力电子变换器建模与控制 2026,24(4): 59-68
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电源学报 |电力电子变换器建模与控制 2026 , 24 (4) : 59 -68
基于NDO的直流微网双向变换器变增益趋近反步滑模控制
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陈景文1 , 王媛中国电源学会学生会员1 , 王福强2 , 王同新2
作者信息
  • 1.陕西科技大学电气与控制工程学院,西安 710021
  • 2.立讯精密科技(西安)有限公司,西安 710021
通讯作者:
王媛(2000— ),女,中国电源学会学生会员,通信作者,硕士研究生。研究方向:直流微电网稳定性分析与控制。E-mail:。
作者简介:

陈景文(1978— ),男,博士,教授。研究方向:智能微电网技术。E-mail:。

王福强(1976— ),男,研究生,高级工程师。研究方向:电力电子能源。E-mail:。

王同新(1981— ),男,研究生,高级工程师。研究方向:电力电子能源。E-mail:。

Variable-gain Approach Backstepping Sliding-mode Control of DC Microgrid Bidirectional Converter Based on NDO
Jingwen CHEN1 , Yuan WANG Student Member, CPSS1 , Fuqiang WANG2 , Tongxin WANG2
Affiliations
  • 1.School of Electrical and Control Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China
  • 2.Luxshare Precision Technology (Xi’an) Co., Ltd., Xi’an 710021, China
出版时间: 2026-04-30 doi: 10.13234/j.issn.2095-2805.2026.4.59
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针对直流微网带恒功率负载时出现的母线电压不稳问题,提出1种基于非线性扰动观测器NDO(nonlinear disturbance observer)的变增益趋近反步滑模控制策略。首先,利用精确反馈线性化方法得到系统双向DC-DC变换器的Brunovsky标准线性模型。其次,为增强系统的鲁棒性、减小系统调节时间,设计反步滑模控制器,将误差变量进行线性组合构成滑模面,并构造幂指数型变增益的滑模趋近律,实现对参考电压的快速精准跟踪;在此基础上,引入NDO对系统扰动进行实时估计,将估计结果补偿到反步滑模控制器中,进一步减小系统的稳态电压偏差。最后,通过MATLAB及RT-LAB半实物平台证明所提控制策略能够改善系统的稳态性能,且对系统扰动及参数摄动均具有较好的鲁棒性。

直流微电网  /  恒功率负载  /  反步滑模控制  /  变增益趋近  /  非线性扰动观测器

Aimed at the issue of bus voltage instability caused by constant-power load in a DC microgrid, a variable-gain approach backstepping sliding-mode control strategy based on a nonlinear disturbance observer (NDO) is proposed. First, the exact feedback linearization method is used to obtain the standard Brunovsky linear model of a bidirectional DC-DC converter. Second, a backstepping sliding-mode controller is designed to enhance the robustness of the system while reducing its adjustment time. The error variables are linearly combined to form a sliding-mode surface, and the sliding-mode approach law of power-exponential variable-gain is constructed to achieve fast and accurate tracking of the reference voltage. On this basis, the NDO is introduced to estimate the system perturbation in realtime, and the estimation results are compensated to the backstepping sliding-mode controller to further reduce the steady-state voltage deviation of the system. Finally, MATLAB simulations and an RT-LAB HIL platform demonstrate that the proposed control strategy can enhance the steady-state performance of the system and is highly robust with respect to system and parameter perturbations.

DC microgrid  /  constant-power load  /  backstepping sliding-mode control  /  variable-gain approach  /  nonlinear disturbance observer (NDO)
陈景文, 王媛中国电源学会学生会员, 王福强, 王同新. 基于NDO的直流微网双向变换器变增益趋近反步滑模控制. 电源学报, 2026 , 24 (4) : 59 -68 . DOI: 10.13234/j.issn.2095-2805.2026.4.59
Jingwen CHEN, Yuan WANG, Fuqiang WANG, Tongxin WANG. Variable-gain Approach Backstepping Sliding-mode Control of DC Microgrid Bidirectional Converter Based on NDO[J]. Journal of Power Supply, 2026 , 24 (4) : 59 -68 . DOI: 10.13234/j.issn.2095-2805.2026.4.59
  • 陕西省重点研发计划资助项目(2023-YBGY-304)
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2026年第24卷第4期
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doi: 10.13234/j.issn.2095-2805.2026.4.59
  • 接收时间:2024-01-28
  • 首发时间:2026-10-29
  • 出版时间:2026-04-30
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  • 收稿日期:2024-01-28
  • 修回日期:2024-03-04
  • 录用日期:2024-03-27
基金
Shaanxi Key Research and Development Program(2023-YBGY-304)
陕西省重点研发计划资助项目(2023-YBGY-304)
作者信息
    1.陕西科技大学电气与控制工程学院,西安 710021
    2.立讯精密科技(西安)有限公司,西安 710021

通讯作者:

王媛(2000— ),女,中国电源学会学生会员,通信作者,硕士研究生。研究方向:直流微电网稳定性分析与控制。E-mail:。
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2种不同金属材料的力学参数
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属数
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属
Genus
种数
Number of
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占总种数比例
Percentage of total
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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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