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Considering the dispersion of small signal flow characteristics of servo valve, the control parameters of electro-hydraulic servo system need to be matched and adjusted. An off-line self-optimizing method for electro-hydraulic servo system control parameters based on particle swarm optimization is proposed. The control system task book and manual debugging results decide optimization target characteristics, and the parameter optimization range is determined by the analysis results of servo system stability and statistics of batch production data envelopment. This parameter optimization method takes about 100-240 seconds. Compared with manual approaches, it can greatly improve the mass production debugging efficiency of the control parameters for electro-hydraulic servo system.
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由于伺服阀小信号流量特性存在一定散布,电液伺服系统的控制参数需要进行匹配调试,提出了一种基于粒子群算法的电液伺服系统控制参数离线自寻优方法,目标特性由控制系统任务书和人工调试结果确定,参数寻优范围根据伺服系统稳定性分析结果和批产工艺数据包络确定,寻优计算时间约为${100}\sim {240}\mathrm{\;s}$。与人工调试相比,可以大幅提高电液伺服系统控制参数的批产调试效率。
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杨弘枨(1993—),男,博士,工程师,主要研究方向为航天推力矢量控制。
刘山(1970—),男,博士,研究员,主要研究方向为航天推力矢量控制。
许文波(1978—),男,博士,高级工程师,主要研究方向为航天推力矢量控制。
张博(1983—),男,博士,高级工程师,主要研究方向为航天推力矢量控制。
李沛文(1973—),男,特级技师,主要研究方向为航天推力矢量控制。
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杨弘枨(1993—),男,博士,工程师,主要研究方向为航天推力矢量控制。
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杨弘枨(1993—),男,博士,工程师,主要研究方向为航天推力矢量控制。
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刘山(1970—),男,博士,研究员,主要研究方向为航天推力矢量控制。
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刘山(1970—),男,博士,研究员,主要研究方向为航天推力矢量控制。
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许文波(1978—),男,博士,高级工程师,主要研究方向为航天推力矢量控制。
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许文波(1978—),男,博士,高级工程师,主要研究方向为航天推力矢量控制。
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张博(1983—),男,博士,高级工程师,主要研究方向为航天推力矢量控制。
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张博(1983—),男,博士,高级工程师,主要研究方向为航天推力矢量控制。
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李沛文(1973—),男,特级技师,主要研究方向为航天推力矢量控制。
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李沛文(1973—),男,特级技师,主要研究方向为航天推力矢量控制。
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38(5): 98-103., articleTitle=基于模糊神经元PID的车载发射装置随动控制策略研究, refAbstract=null), Reference(id=1197483441454367596, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, doi=null, pmid=null, pmcid=null, year=2021, volume=38, issue=5, pageStart=98, pageEnd=103, url=null, language=null, rfNumber=[4], rfOrder=5, authorNames=WANG Xufeng, NIU Yuanzheng, ZENG Yuanhang, journalName=Aerospace Shanghai (Chinese&English), refType=null, unstructuredReference=
WANG Xufeng,
NIU Yuanzheng,
ZENG Yuanhang. Research on follow-up strategy for vehicle launches based on fuzzy single neuron PID control[J].
Aerospace Shanghai (Chinese&English),
2021,
38(5): 98-103., articleTitle=Research on follow-up strategy for vehicle launches based on fuzzy single neuron PID control, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1197483436991628076, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, xref=null, ext=[AuthorCompanyExt(id=1197483436995822381, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, companyId=1197483436991628076, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Beijing Institute of Precision Mechatronics and Controls,Beijing,100076), AuthorCompanyExt(id=1197483437004210990, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, companyId=1197483436991628076, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=北京精密机电控制设备研究所,北京,100076)])], figs=[ArticleFig(id=1197483439004894033, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=EN, label=Fig. 1, caption=
Control principle of electro-hydraulic servo system, figureFileSmall=zCIkKHVY1rxkL/7q1eLfFw==, figureFileBig=cJgW1uGazRWU1m6BuW0jbA==, tableContent=null), ArticleFig(id=1197483439067808594, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=CN, label=图1, caption=
电液伺服系统控制原理 ${\delta }_{0}$—伺服系统输入的位置指令;${e}_{x}$—当前作动器位置值与指令值的偏差;${K}_{\mathrm{P}},{K}_{\mathrm{I}}$—数字控制器中的比例增益和积分增益;${K}_{\mathrm{a}}$为伺服阀的电流放大系数;${w}_{0}$—陷波频率;${\xi }_{0}$—陷波阻尼比;${w}_{\mathrm{f}}$—滤波器频率;${\xi }_{\mathrm{f}}$—滤波器阻尼比;$i$—伺服阀输入电流;$Q$—伺服阀输出流量;$x$—作动器输出长度。
, figureFileSmall=zCIkKHVY1rxkL/7q1eLfFw==, figureFileBig=cJgW1uGazRWU1m6BuW0jbA==, tableContent=null), ArticleFig(id=1197483439155888979, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=EN, label=Fig. 2, caption=
Self-tuning process of servo system control parameters based on particle swarm optimization algorithm, figureFileSmall=zPC9+4jx3lyU5BbDpIQ6BQ==, figureFileBig=D0G0dYNAGbnEzZmFl6AdGg==, tableContent=null), ArticleFig(id=1197483439227192148, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=CN, label=图2, caption=
基于粒子群算法的伺服系统控制参数自整定流程, figureFileSmall=zPC9+4jx3lyU5BbDpIQ6BQ==, figureFileBig=D0G0dYNAGbnEzZmFl6AdGg==, tableContent=null), ArticleFig(id=1197483439298495317, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=EN, label=Fig. 3, caption=
Target characteristics of control network, figureFileSmall=3LK+gmAn4vkfy0wEy89ehg==, figureFileBig=7+nXyxV866liUMP0kFNY8g==, tableContent=null), ArticleFig(id=1197483439365604182, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=CN, label=图3, caption=
控制网络目标特性, figureFileSmall=3LK+gmAn4vkfy0wEy89ehg==, figureFileBig=7+nXyxV866liUMP0kFNY8g==, tableContent=null), ArticleFig(id=1197483439453684567, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=EN, label=Fig. 4, caption=
Comparison of frequency characteristics and target characteristics of control network, figureFileSmall=Jgc5O4WVt+yQ76CBiqjbuQ==, figureFileBig=Yt1q3HXUktS+D40jHXHDHg==, tableContent=null), ArticleFig(id=1197483439571125080, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=CN, label=图4, caption=
控制网络的频率特性和目标特性对比, figureFileSmall=Jgc5O4WVt+yQ76CBiqjbuQ==, figureFileBig=Yt1q3HXUktS+D40jHXHDHg==, tableContent=null), ArticleFig(id=1197483439629845337, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=EN, label=Fig. 5, caption=
Closed loop frequency characteristics of servo system after self-tuning, figureFileSmall=BEc2IOQSX01qwKSFd+jPdQ==, figureFileBig=PU1BQb0gTA86mKv9xA2o1g==, tableContent=null), ArticleFig(id=1197483439688565594, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=CN, label=图5, caption=
自整定后伺服系统的闭环频率特性, figureFileSmall=BEc2IOQSX01qwKSFd+jPdQ==, figureFileBig=PU1BQb0gTA86mKv9xA2o1g==, tableContent=null), ArticleFig(id=1197483439743091547, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=EN, label=Tab. 1, caption=
Parameter self tuning results of particle swarm optimization, figureFileSmall=null, figureFileBig=null, tableContent=
| 种群个数 | 迭代次数 | 粒子群参数设置 | 最大适应度 | 运算时间/s |
| 惯性权重 | 自我学习因子 | 群体学习因子 |
| 200 | 100 | 0.8 | 0.5 | 0.5 | 0.495 | 225 |
| 100 | 200 | 0.8 | 0.5 | 0.5 | 0.494 | 228 |
| 200 | 50 | 0.8 | 0.5 | 0.5 | 0.493 | 112 |
| 100 | 100 | 0.8 | 0.5 | 0.5 | 0.489 | 113 |
), ArticleFig(id=1197483440837804894, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762575733691, language=CN, label=表1, caption=
粒子群算法参数自整定结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 种群个数 | 迭代次数 | 粒子群参数设置 | 最大适应度 | 运算时间/s |
| 惯性权重 | 自我学习因子 | 群体学习因子 |
| 200 | 100 | 0.8 | 0.5 | 0.5 | 0.495 | 225 |
| 100 | 200 | 0.8 | 0.5 | 0.5 | 0.494 | 228 |
| 200 | 50 | 0.8 | 0.5 | 0.5 | 0.493 | 112 |
| 100 | 100 | 0.8 | 0.5 | 0.5 | 0.489 | 113 |
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