Article(id=1239158372533072693, tenantId=1146029695717560320, journalId=1238841944844054536, issueId=1239158367571210992, articleNumber=null, orderNo=null, doi=10.12347/j.ycyk.20250210006, pmid=null, cstr=32406.14.ycyk.20250210006, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739116800000, receivedDateStr=2025-02-10, revisedDate=1741622400000, revisedDateStr=2025-03-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1773367978461, onlineDateStr=2026-03-13, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773367978461, onlineIssueDateStr=2026-03-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773367978461, creator=13701087609, updateTime=1773367978461, updator=13701087609, issue=Issue{id=1239158367571210992, tenantId=1146029695717560320, journalId=1238841944844054536, year='2025', volume='46', issue='6', pageStart='1', pageEnd='170', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=0, createTime=1773367977278, creator=13701087609, updateTime=1773368232261, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1239159437122917323, tenantId=1146029695717560320, journalId=1238841944844054536, issueId=1239158367571210992, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1239159437122917324, tenantId=1146029695717560320, journalId=1238841944844054536, issueId=1239158367571210992, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=102, endPage=110, ext={EN=ArticleExt(id=1239158372767953733, articleId=1239158372533072693, tenantId=1146029695717560320, journalId=1238841944844054536, language=EN, title=Influence Analysis of Electric Servo Closed-Loop Cycle Based on PD Control, columnId=1239133503154081962, journalTitle=Journal of Telemetry, Tracking and Command, columnName=TT & C Communication and Navigation, runingTitle=null, highlight=null, articleAbstract=
With the development of electronic technology and motor PWM control technology, the electric servo system has gradually changed from analog system to digital system. Closed-loop control cycle is a key parameter in digital servo system, which is restricted by system maneuverability, hardware resources, power supply capacity, function performance and so on. At present,there are few literatures on the closed-loop cycle of servo system at home and abroad. This paper takes servo system of electric actuator as the research object. Firstly, the composition, working principle and signal transmission link of electric actuator servo system are analyzed in detail. Then the mathematical modeling of the servo system of the electric actuator is carried out, and the P-D control law is designed. Then the servo system simulation model is established based on Simulink to analyze the influence of different closed-loop control cycles on the servo system performance. Finally, an experimental platform is built to verify the effects of different closed-loop cycles on servo system performance. The simulation results show that the step response speed decreases with the increase of the closed-loop period. Appropriately increasing the closed-loop period can reduce the transient current to a certain extent,and avoid the risk of computer reset caused by large transient current pulling down the system voltage. The research in this paper has certain guiding significance for servo system and the platform system interacting with them.
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随着电子技术和电机PWM控制技术的发展,电动伺服系统逐渐由模拟体制向数字体制转变。闭环控制周期是数字化伺服系统中的一个关键参数,它受到系统机动性、硬件资源、供电能力、功能性能等诸多制约,因此必须权衡设计闭环周期。目前国内外针对伺服系统闭环周期论述的文献较少。本文以电动舵机伺服系统为研究对象,首先详细分析了电动舵机伺服系统的组成、工作原理及信号传输链路;接着对电动舵机伺服系统进行数学建模,以及P-D控制律设计;然后基于Simulink建立了伺服系统仿真模型,分析不同闭环控制周期对系统各性能的影响;最后搭建实验平台,验证不同闭环周期对伺服系统性能的影响。仿真分析得出:随着闭环周期增大,阶跃响应速度有所减小;适当地增加闭环周期,能在一定程度上减小瞬态电流,避免大的瞬态电流拉低系统电压从而造成计算机复位的风险。本文研究对开展伺服系统和与其交互的平台系统正向设计具有一定的指导意义。
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, authorsList=董斌, 陈佳馨, 穆晓敬, 孙栋梁)}, authors=[Author(id=1239158378581258329, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1239158378686115937, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, authorId=1239158378581258329, language=EN, stringName=Bin DONG, firstName=Bin, middleName=null, lastName=DONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=AVIC Hongdu, Nanchang 330024, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1239158378761613415, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, authorId=1239158378581258329, language=CN, stringName=董斌, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=航空工业洪都 南昌 330024, bio={"content":"
董斌 1979年生,博士研究生,正高级工程师。
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董斌 1979年生,博士研究生,正高级工程师。
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陈佳馨 1997年生,硕士,工程师。
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陈佳馨 1997年生,硕士,工程师。
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穆晓敬 1988年生,硕士,高级工程师。
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穆晓敬 1988年生,硕士,高级工程师。
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孙栋梁 1988年生,本科,高级工程师。
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孙栋梁 1988年生,本科,高级工程师。
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Working principle block diagram of servo system of electric actuator, figureFileSmall=VXBE9joCxyoiYDDX0wumXg==, figureFileBig=K22mZ7VFa9X0PCWr460ofw==, tableContent=null), ArticleFig(id=1239158382112862442, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图1, caption=
电动舵机伺服系统工作原理框图, figureFileSmall=VXBE9joCxyoiYDDX0wumXg==, figureFileBig=K22mZ7VFa9X0PCWr460ofw==, tableContent=null), ArticleFig(id=1239158382343549178, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 2, caption=
Signal transmission link of servo system of electric actuator, figureFileSmall=qOUhWw4vmjmJqg9fhvgJxg==, figureFileBig=lrBqt1v/y8jp77PxgqOYyQ==, tableContent=null), ArticleFig(id=1239158382473572610, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图2, caption=
电动舵机伺服系统信号传输链路, figureFileSmall=qOUhWw4vmjmJqg9fhvgJxg==, figureFileBig=lrBqt1v/y8jp77PxgqOYyQ==, tableContent=null), ArticleFig(id=1239158382586818822, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 3, caption=
Block diagram of brushless DC motor model, figureFileSmall=TizyEplZsEOWjWYhjgO/gA==, figureFileBig=TS3fd5/A8teeagkKRUCbZg==, tableContent=null), ArticleFig(id=1239158382666510604, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图3, caption=
无刷直流电机模型框图, figureFileSmall=TizyEplZsEOWjWYhjgO/gA==, figureFileBig=TS3fd5/A8teeagkKRUCbZg==, tableContent=null), ArticleFig(id=1239158382779756817, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 4, caption=
Retarder model block diagram, figureFileSmall=Abub9ZdeZMLbRWKy5VFaOA==, figureFileBig=+PoD28nEOHIoTSf7+MTluA==, tableContent=null), ArticleFig(id=1239158382876225816, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图4, caption=
减速器模型框图, figureFileSmall=Abub9ZdeZMLbRWKy5VFaOA==, figureFileBig=+PoD28nEOHIoTSf7+MTluA==, tableContent=null), ArticleFig(id=1239158383073358109, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 5, caption=
Block diagram of servo system model, figureFileSmall=b7gHmJU9UxhNhlNo2p0vFQ==, figureFileBig=MqM+XMgQymChKsM/rCn3wA==, tableContent=null), ArticleFig(id=1239158383249518885, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图5, caption=
伺服系统模型框图, figureFileSmall=b7gHmJU9UxhNhlNo2p0vFQ==, figureFileBig=MqM+XMgQymChKsM/rCn3wA==, tableContent=null), ArticleFig(id=1239158383333404969, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 6, caption=
Closed-loop bandwidth of the system, figureFileSmall=wkYXcy+LKrnGT03JQ0YiBQ==, figureFileBig=9/WL/44y3fB3qAcpQyhCDg==, tableContent=null), ArticleFig(id=1239158383421485358, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图6, caption=
系统闭环带宽, figureFileSmall=wkYXcy+LKrnGT03JQ0YiBQ==, figureFileBig=9/WL/44y3fB3qAcpQyhCDg==, tableContent=null), ArticleFig(id=1239158383509565747, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 7, caption=
Open-loop phase margin of the system, figureFileSmall=BlfeQVHybUPvU+PDp1R32g==, figureFileBig=kvaOKfCXNF4Jx9lElsw4GQ==, tableContent=null), ArticleFig(id=1239158383606034745, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图7, caption=
系统开环相位裕度, figureFileSmall=BlfeQVHybUPvU+PDp1R32g==, figureFileBig=kvaOKfCXNF4Jx9lElsw4GQ==, tableContent=null), ArticleFig(id=1239158383702503740, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 8, caption=
Step response rise time of closed-loop system, figureFileSmall=WwBgH4gbA8RRA0qoJ1VleQ==, figureFileBig=iFyJFqbTIlYdqqCqw7m8+A==, tableContent=null), ArticleFig(id=1239158383811555650, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图8, caption=
闭环系统阶跃响应上升时间, figureFileSmall=WwBgH4gbA8RRA0qoJ1VleQ==, figureFileBig=iFyJFqbTIlYdqqCqw7m8+A==, tableContent=null), ArticleFig(id=1239158383903830343, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 9, caption=
Servo system simulation model, figureFileSmall=ODcJfH1BKtvQd/F24o+tig==, figureFileBig=l4zkiLBULdKo8mO/DLainQ==, tableContent=null), ArticleFig(id=1239158384004493645, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图9, caption=
伺服系统仿真模型, figureFileSmall=ODcJfH1BKtvQd/F24o+tig==, figureFileBig=l4zkiLBULdKo8mO/DLainQ==, tableContent=null), ArticleFig(id=1239158385476694352, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 10, caption=
Simulation curve of no-load input 1° closed-loop control cycle, figureFileSmall=0BnuuQeVCotY5DVIh7shLQ==, figureFileBig=vBooeOiUZh7rIEz8+GhAYw==, tableContent=null), ArticleFig(id=1239158385610912086, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图10, caption=
空载输入1°闭环控制周期仿真曲线, figureFileSmall=0BnuuQeVCotY5DVIh7shLQ==, figureFileBig=vBooeOiUZh7rIEz8+GhAYw==, tableContent=null), ArticleFig(id=1239158385719963994, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 11, caption=
Simulation curve of no-load input 10° closed-loop control cycle, figureFileSmall=itBrDVo2SQLi7f2pskPdqw==, figureFileBig=vAuyon4zc+Hlnb9TEqiDWA==, tableContent=null), ArticleFig(id=1239158385829015907, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图11, caption=
空载输入10°闭环控制周期仿真曲线, figureFileSmall=itBrDVo2SQLi7f2pskPdqw==, figureFileBig=vAuyon4zc+Hlnb9TEqiDWA==, tableContent=null), ArticleFig(id=1239158385912901990, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 12, caption=
Load input 10° closed-loop control cycle simulation curve, figureFileSmall=w1l56K0NoYIFuJty6UcT6g==, figureFileBig=ilg6swnvIooH2y9iKGwm9A==, tableContent=null), ArticleFig(id=1239158386009370991, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图12, caption=
负载输入10°闭环控制周期仿真曲线, figureFileSmall=w1l56K0NoYIFuJty6UcT6g==, figureFileBig=ilg6swnvIooH2y9iKGwm9A==, tableContent=null), ArticleFig(id=1239158386118422901, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 13, caption=
Simulation curve of sinusoidal signal closed-loop control cycle, figureFileSmall=v7kYAcwQD2dckYHOJxEZHg==, figureFileBig=ez33EFrfafd1FEhgh7CGpA==, tableContent=null), ArticleFig(id=1239158386223280507, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图13, caption=
正弦信号闭环控制周期仿真曲线, figureFileSmall=v7kYAcwQD2dckYHOJxEZHg==, figureFileBig=ez33EFrfafd1FEhgh7CGpA==, tableContent=null), ArticleFig(id=1239158386298777985, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 14, caption=
Simulation curve of slope signal closed-loop control cycle angle, figureFileSmall=CI6B9bQESLFmwMN3oWq/OA==, figureFileBig=ykycG9QWNpFfNMj3m1UHGg==, tableContent=null), ArticleFig(id=1239158386428801415, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图14, caption=
斜坡信号闭环控制周期角度仿真曲线, figureFileSmall=CI6B9bQESLFmwMN3oWq/OA==, figureFileBig=ykycG9QWNpFfNMj3m1UHGg==, tableContent=null), ArticleFig(id=1239158386542047628, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 15, caption=
Connection diagram of test equipment, figureFileSmall=Dz2Kw6maLaGh+bgGbwIfEA==, figureFileBig=FYNV3YyMvrNETJ9SipYGIw==, tableContent=null), ArticleFig(id=1239158386621739408, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图15, caption=
实验设备连接图, figureFileSmall=Dz2Kw6maLaGh+bgGbwIfEA==, figureFileBig=FYNV3YyMvrNETJ9SipYGIw==, tableContent=null), ArticleFig(id=1239158386743374233, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Fig. 16, caption=
Step response test curve, figureFileSmall=txazv+2jvCKtbHAkqS5DRg==, figureFileBig=gZd2hmS/3y16hKpatkE+ZA==, tableContent=null), ArticleFig(id=1239158386831454620, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=图16, caption=
阶跃响应实验曲线, figureFileSmall=txazv+2jvCKtbHAkqS5DRg==, figureFileBig=gZd2hmS/3y16hKpatkE+ZA==, tableContent=null), ArticleFig(id=1239158386957283748, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Table 1, caption=
Symbol definitions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 符号 | 定义 | 单位 |
|---|
| U | 端电压 | V |
| Ra | 电机线圈电阻 | Ω |
| La | 电机线圈电感 | H |
| ia | 电流 | A |
| ea | 感应电动势 | V |
| Tg | 电磁转矩 | Nm |
| TL | 外部负载 | Nm |
| ω | 电机转速 | Rad/s |
| J | 电机转子及附件惯量 | Kg·m2 |
| f | 电机转子动摩擦系数 | N/(rad/s) |
| U_out | 逆变器输出电压 | V |
| Ki | 电机转矩系数 | Nm/A |
| Ke | 电机感应电动势系数 | V/(rad/s) |
| Kj | 减速比 | |
| θ | 舵偏角 | ° |
), ArticleFig(id=1239158387049558439, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=表1, caption=
符号定义
, figureFileSmall=null, figureFileBig=null, tableContent=
| 符号 | 定义 | 单位 |
|---|
| U | 端电压 | V |
| Ra | 电机线圈电阻 | Ω |
| La | 电机线圈电感 | H |
| ia | 电流 | A |
| ea | 感应电动势 | V |
| Tg | 电磁转矩 | Nm |
| TL | 外部负载 | Nm |
| ω | 电机转速 | Rad/s |
| J | 电机转子及附件惯量 | Kg·m2 |
| f | 电机转子动摩擦系数 | N/(rad/s) |
| U_out | 逆变器输出电压 | V |
| Ki | 电机转矩系数 | Nm/A |
| Ke | 电机感应电动势系数 | V/(rad/s) |
| Kj | 减速比 | |
| θ | 舵偏角 | ° |
), ArticleFig(id=1239158387146027437, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Table 2, caption=
Performance indicators under different closed-loop cycles with input 1°
, figureFileSmall=null, figureFileBig=null, tableContent=
| 空载,阶跃指令1° |
|---|
| 闭环控制周期/ms | 阶跃响应上升时间/s | 稳态误差/(°) | 电流最大峰值/A |
| 0.25 | 0.015 5 | 0 | -32.8 |
| 0.5 | 0.016 | 0 | -32.07 |
| 1 | 0.019 | 0 | 20.94 |
| 1.25 | 0.028 75 | 0 | -24.31 |
), ArticleFig(id=1239158387267662260, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=表2, caption=
输入1°时不同闭环周期下的性能指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 空载,阶跃指令1° |
|---|
| 闭环控制周期/ms | 阶跃响应上升时间/s | 稳态误差/(°) | 电流最大峰值/A |
| 0.25 | 0.015 5 | 0 | -32.8 |
| 0.5 | 0.016 | 0 | -32.07 |
| 1 | 0.019 | 0 | 20.94 |
| 1.25 | 0.028 75 | 0 | -24.31 |
), ArticleFig(id=1239158387355742648, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=EN, label=Table 3, caption=
Performance indicators under different closed-loop cycles with input 10°
, figureFileSmall=null, figureFileBig=null, tableContent=
| 空载,阶跃指令10° |
|---|
| 闭环控制周期/ms | 阶跃响应上升时间/s | 稳态误差/(°) | 电流最大峰值/A |
| 0.25 | 0.026 5 | 0 | -45.7 |
| 0.5 | 0.026 5 | 0 | -45.7 |
| 1 | 0.027 | 0 | -46.21 |
| 1.25 | 0.08 | 0 | -32.13 |
), ArticleFig(id=1239158387443823037, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158372533072693, language=CN, label=表3, caption=
输入10°时不同闭环周期下的性能指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 空载,阶跃指令10° |
|---|
| 闭环控制周期/ms | 阶跃响应上升时间/s | 稳态误差/(°) | 电流最大峰值/A |
| 0.25 | 0.026 5 | 0 | -45.7 |
| 0.5 | 0.026 5 | 0 | -45.7 |
| 1 | 0.027 | 0 | -46.21 |
| 1.25 | 0.08 | 0 | -32.13 |
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