Article(id=1148011762449904557, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298830018954160, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20240409, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1633795200000, receivedDateStr=2021-10-10, revisedDate=1639238400000, revisedDateStr=2021-12-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1751636933194, onlineDateStr=2025-07-04, pubDate=1724515200000, pubDateStr=2024-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751636933194, onlineIssueDateStr=2025-07-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751636933194, creator=13701087609, updateTime=1751636933194, updator=13701087609, issue=Issue{id=1149298830018954160, tenantId=1146029695717560320, journalId=1146119989267898375, year='2024', volume='47', issue='4', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751943794016, creator=13701087609, updateTime=1754895900149, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1161680860630569001, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298830018954160, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1161680860630569002, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298830018954160, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=52, endPage=56, ext={EN=ArticleExt(id=1148011762626065347, articleId=1148011762449904557, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Zero-range Orientation Closed-loop Guidance Method Based on Neural Network, columnId=1154057567841014343, journalTitle=Missiles and Space Vehicles, columnName=Guidance, Navigation and Control, runingTitle=null, highlight=null, articleAbstract=
For solid-engine aircraft, closed-loop guidance methods with energy matching or angle constraints are generally used in the powered flight segment, which have high control accuracy. However, its accuracy is greatly affected by engine performance deviations. Therefore, a zero-range Orientation closed-loop guidance method based on neural network is proposed to reduce the impact of engine performance deviation on the guidance accuracy. Firstly, the motion model of the powered flight segment of the aircraft is established, and the closed-loop guidance of the zero-range Orientation is analyzed and deduced. Secondly, a multi-input neural network algorithm is designed, the input and output parameters are determined, the residual energy, the velocityto be increased and the angle of the zero-range Orientation are trained. Then, the training results of the above neural network with the zero-range Orientation closed-loop guidance are combined. This method enables feedback of different zero-range Orientation angles under different engine deviations. Finally, different deviation states for simulation verification are chosen. The simulation results show that this method can effectively reduce the influence of engine deviation on the guidance accuracy, and has strong anti-bias ability and high guidance accuracy.
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对于固体发动机飞行器,在动力飞行段一般采用能量匹配闭路制导或者倾角约束的闭路制导方法,这种闭路制导方法的控制精度较高,但其精度受到发动机性能偏差的影响较大,为了减小发动机性能偏差对制导精度的影响,提出了基于神经网络的零射程线闭路制导方法。首先,建立了飞行器动力飞行段运动模型,对零射程线闭路制导进行了分析推导;其次,设计了多输入神经网络算法,确定了输入输出参数,对剩余能量、待增速度以及趋零射程线角度进行训练,将神经网络训练结果与零射程线闭路制导相结合,使得在不同的发动机偏差情况下,反馈不同的趋零射程线角度;最后,通过选择不同的偏差状态进行仿真验证,仿真结果表明该方法能有效地减小发动机偏差对制导精度的影响,具有较强的抗偏差能力,制导精度高。
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刘运鹏(1986—),男,高级工程师,主要研究方向为导航、制导与控制。
施健峰(1988—),男,博士,高级工程师,主要研究方向为导航、制导与控制。
刘旭东(1990—),男,高级工程师,主要研究方向为导航、制导与控制。
王长江(1979—),男,副研究员,主要研究方向为飞行器设计。
李华滨(1965—),男,研究员,主要研究方向为导航、制导与控制。
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刘旭东(1990—),男,高级工程师,主要研究方向为导航、制导与控制。
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刘旭东(1990—),男,高级工程师,主要研究方向为导航、制导与控制。
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王长江(1979—),男,副研究员,主要研究方向为飞行器设计。
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Sketch map of zero-range orientation and velocity to be increased, figureFileSmall=vIsKY8hX1IH4wYs4r++Wtg==, figureFileBig=k4PEXT9sh8Kl+wmmNq/w1g==, tableContent=null), ArticleFig(id=1197273705744221086, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762449904557, language=CN, label=图2, caption=
零射程线与速度增量关系示意$\theta$—速度方向与零射程线方向夹角;${r}_{\mathrm{{LSCX}}}$—零射程线矢量。
, figureFileSmall=vIsKY8hX1IH4wYs4r++Wtg==, figureFileBig=k4PEXT9sh8Kl+wmmNq/w1g==, tableContent=null), ArticleFig(id=1197273706348200863, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762449904557, language=EN, label=Fig. 3, caption=
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神经网络训练结果曲线, figureFileSmall=B+WQo6uoqqvmyVdOS024EA==, figureFileBig=0z/+T9Suw3arXdUj0BKw+w==, tableContent=null), ArticleFig(id=1197273711557526439, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762449904557, language=EN, label=Fig. 7, caption=
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姿态角曲线, figureFileSmall=gClteifJf5orTVOjJxkTsA==, figureFileBig=0+eHlkAVAPLD3TGif4+jpA==, tableContent=null), ArticleFig(id=1197273712656434089, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762449904557, language=EN, label=Fig. 8, caption=
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待增速度结果对比1, figureFileSmall=Y3cf9EuAa023HQgd38KkvQ==, figureFileBig=vfDlIvPoZXbvtYSXJ0ufIQ==, tableContent=null), ArticleFig(id=1197273713755341739, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762449904557, language=EN, label=Fig. 9, caption=
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待增速度结果对比2, figureFileSmall=Dn6js3p0xkxWTMDOnhyIAA==, figureFileBig=7Wb3b3uiI/k1FbMK8eRlWQ==, tableContent=null), ArticleFig(id=1197273715051381677, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762449904557, language=EN, label=Tab. 1, caption=
Different total impact deviation corresponding to the landing point deviation, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 状态 | 视速度总冲偏差/( $\mathrm{m}\cdot {\mathrm{s}}^{-1}$) | 实际引起的偏差/km | 引起的偏差理论值/km | 误差比值/% | 提升比值/% |
|---|
| 1 | 考虑趋零射程线 | 误差1 | 23.2 | 15.36 | 46.4 | 33.0 | 48.8 |
| 2 | 误差2 | 15.4 | 6.78 | 30.8 | 22.0 | 38.9 |
| 3 | 不考虑趋零射程线 | 误差1 | 23.2 | 37.97 | 46.4 | 81.8 | - |
| 4 | 误差2 | 15.4 | 18.78 | 30.8 | 60.9 | - |
), ArticleFig(id=1197273715760219054, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011762449904557, language=CN, label=表1, caption=
不同总冲偏差对应的落点偏差, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 状态 | 视速度总冲偏差/( $\mathrm{m}\cdot {\mathrm{s}}^{-1}$) | 实际引起的偏差/km | 引起的偏差理论值/km | 误差比值/% | 提升比值/% |
|---|
| 1 | 考虑趋零射程线 | 误差1 | 23.2 | 15.36 | 46.4 | 33.0 | 48.8 |
| 2 | 误差2 | 15.4 | 6.78 | 30.8 | 22.0 | 38.9 |
| 3 | 不考虑趋零射程线 | 误差1 | 23.2 | 37.97 | 46.4 | 81.8 | - |
| 4 | 误差2 | 15.4 | 18.78 | 30.8 | 60.9 | - |
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