Article(id=1149741818184642928, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149741815273800564, articleNumber=1003-3033(2024)01-0116-09, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2024.01.1517, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1752049410624, onlineDateStr=2025-07-09, pubDate=1706371200000, pubDateStr=2024-01-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752049410624, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752049410624, creator=13701087609, updateTime=1752049410624, updator=13701087609, issue=Issue{id=1149741815273800564, tenantId=1146029695717560320, journalId=1146031787341344770, year='2024', volume='34', issue='1', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752049409931, creator=13701087609, updateTime=1756468937446, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1168278657316430156, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149741815273800564, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1168278657316430157, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149741815273800564, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=116, endPage=124, ext={EN=ArticleExt(id=1149741818390163827, articleId=1149741818184642928, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Aircraft taxiing trajectory prediction and conflict risk identification in airfield area based on AM-LSTM, columnId=1149733269173878863, journalTitle=China Safety Science Journal, columnName=Safety engineering technology, runingTitle=null, highlight=null, articleAbstract=
In order to address the increasing risk of conflict caused by the difficulty in effectively predicting aircraft point source localization,a time series trajectory prediction model AM-LSTM based on AM and LSTM was constructed,to predict the instantaneous point source location of the aircraft in the airfield area in a short time in the future. On this basis,the contour was expanded according to the aircraft type and glide heading,the aircraft speed was used as the safety distance weight,and the ray method was used to realize the determination of the contour conflict. Urumqi Dewopu Airport was used as an example for validation,and the trained trajectory prediction model was utilized to predict aircraft taxiing trajectories in the airfield area and identified taxiing conflicts between aircraft profiles. The results show that the AM-LSTM prediction model can accurately predict the aircraft movement trajectory in the airfield area,and the average displacement error of the trajectory position prediction in the next 3 s is 1.05 m,and the accuracy of trajectory point position prediction can reach 94.37%. Therefore,it can accurately identify the risk of taxiing conflict on the basis of trajectory prediction,which is conducive to guaranteeing the safe operation of the airfield area.
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为解决航空器点源定位难以有效预测而引发冲突风险愈来愈多的问题,构建基于注意力机制(AM)和长短期记忆网络(LSTM)的时间序列轨迹预测模型AM-LSTM,预测未来短时间内飞行区航空器的瞬时点源位置;在此基础上,根据航空器型号和滑行航向对其进行轮廓扩展,以航空器速度作为安全距离权重,通过射线法实现轮廓冲突的判定;并以乌鲁木齐地窝堡机场为例进行验证,利用训练完成的轨迹预测模型预测飞行区航空器滑行轨迹,以识别航空器轮廓间的滑行冲突。结果表明:AM-LSTM预测模型能够准确预测飞行区航空器运动轨迹。未来3 s内轨迹位置预测的平均位移误差为1.05 m,轨迹点位置预测精准性可达94.37%,故能在轨迹预测的基础上精确识别滑行冲突风险,有利于保障飞行区的安全运行。
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王兴隆 (1979—),男,黑龙江北安人,硕士,研究员,主要从事空域运行安全、空中交通流量管理等方面的研究。E-mail:xinglong1979@163.com。
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王兴隆 (1979—),男,黑龙江北安人,硕士,研究员,主要从事空域运行安全、空中交通流量管理等方面的研究。E-mail:xinglong1979@163.com。
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Overall architecture of AM-LSTM model, figureFileSmall=hoI1oDX9KLUkWBGdDvxliw==, figureFileBig=E3GB3eIiw4ZbUo0v0FCKiQ==, tableContent=null), ArticleFig(id=1168122920795644237, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=图1, caption=
AM-LSTM模型整体架构, figureFileSmall=hoI1oDX9KLUkWBGdDvxliw==, figureFileBig=E3GB3eIiw4ZbUo0v0FCKiQ==, tableContent=null), ArticleFig(id=1168122920858558798, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Fig.2, caption=
Target local coordinate system, figureFileSmall=aqBIglx+5OQppyg4/wUsdg==, figureFileBig=hbGOBkjkpGqS9C7GWMZPpQ==, tableContent=null), ArticleFig(id=1168122920942444879, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=图2, caption=
目标局部坐标系, figureFileSmall=aqBIglx+5OQppyg4/wUsdg==, figureFileBig=hbGOBkjkpGqS9C7GWMZPpQ==, tableContent=null), ArticleFig(id=1168122921001165136, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Fig.3, caption=
Apron conflict determination, figureFileSmall=unmPJK4c1bXYlDyfMvh1lQ==, figureFileBig=nwizwq/7pJD/CWUF6wMf3A==, tableContent=null), ArticleFig(id=1168122921068274001, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=图3, caption=
航空器间冲突判定, figureFileSmall=unmPJK4c1bXYlDyfMvh1lQ==, figureFileBig=nwizwq/7pJD/CWUF6wMf3A==, tableContent=null), ArticleFig(id=1168122921131188562, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Fig.4, caption=
Configuration diagram of taxiway of Diwopu airport, figureFileSmall=5eRdphlpm7ewTFfzj8slbg==, figureFileBig=N7YYV8Jpua8fkFGFtawDYg==, tableContent=null), ArticleFig(id=1168122921189908819, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=图4, caption=
地窝堡机场滑行道构型, figureFileSmall=5eRdphlpm7ewTFfzj8slbg==, figureFileBig=N7YYV8Jpua8fkFGFtawDYg==, tableContent=null), ArticleFig(id=1168122921244434772, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Fig.5, caption=
Comparison of trajectory prediction results, figureFileSmall=41xAxqdYMcDavIXQn+dWJg==, figureFileBig=TckfH8rSiAWUcpVp9miXDw==, tableContent=null), ArticleFig(id=1168122921324126549, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=图5, caption=
轨迹预测结果对比, figureFileSmall=41xAxqdYMcDavIXQn+dWJg==, figureFileBig=TckfH8rSiAWUcpVp9miXDw==, tableContent=null), ArticleFig(id=1168122921374458198, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Fig.6, caption=
Loss function when learning rate is 0.001, figureFileSmall=wJuDncAtY7FQwc7fC0gixg==, figureFileBig=9nfu23CCKo+CAbHm6qS0Vg==, tableContent=null), ArticleFig(id=1168122921441567063, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=图6, caption=
学习率取0.001时的损失函数, figureFileSmall=wJuDncAtY7FQwc7fC0gixg==, figureFileBig=9nfu23CCKo+CAbHm6qS0Vg==, tableContent=null), ArticleFig(id=1168122921500287320, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Fig.7, caption=
Trajectory prediction results after parameter adjustment, figureFileSmall=5luY2gDWtBv+10l0qnboyw==, figureFileBig=V9g4sWzhjtqVdRjZ9e/IHg==, tableContent=null), ArticleFig(id=1168122921554813273, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=图7, caption=
调参后轨迹预测结果, figureFileSmall=5luY2gDWtBv+10l0qnboyw==, figureFileBig=V9g4sWzhjtqVdRjZ9e/IHg==, tableContent=null), ArticleFig(id=1168122921630310746, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Tab.1, caption=
Data of flight CSN6883 operation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据时间 | 航向/(°) | 速度/(m·s-1) | 经度/(°) | 纬度/(°) | 地点 |
| 10:47:00 | 344 | 7 | 43.902 879 8 | 87.479 057 2 | A102_3 |
| 10:47:01 | 344 | 7 | 43.902 911 | 87.479 044 8 | A102_3 |
| 10:47:02 | 344 | 7 | 43.902 942 1 | 87.479 032 3 | A102_3 |
| ︙ | ︙ | ︙ | ︙ | ︙ | ︙ |
| 11:06:27 | 254 | 141 | 43.911 533 6 | 87.494 969 6 | RW26L |
| 11:06:30 | 254 | 141 | 43.908 444 8 | 87.480 043 2 | uncontrolled |
), ArticleFig(id=1168122921697419611, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=表1, caption=
航班CSN6883运行数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据时间 | 航向/(°) | 速度/(m·s-1) | 经度/(°) | 纬度/(°) | 地点 |
| 10:47:00 | 344 | 7 | 43.902 879 8 | 87.479 057 2 | A102_3 |
| 10:47:01 | 344 | 7 | 43.902 911 | 87.479 044 8 | A102_3 |
| 10:47:02 | 344 | 7 | 43.902 942 1 | 87.479 032 3 | A102_3 |
| ︙ | ︙ | ︙ | ︙ | ︙ | ︙ |
| 11:06:27 | 254 | 141 | 43.911 533 6 | 87.494 969 6 | RW26L |
| 11:06:30 | 254 | 141 | 43.908 444 8 | 87.480 043 2 | uncontrolled |
), ArticleFig(id=1168122921777111388, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Tab.2, caption=
Optimization process of parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
批量 大小 | 神经元=20 | 神经元=30 | 神经元=40 |
| 损失率 | 准确率 | 损失率 | 准确率 | 损失率 | 准确率 |
| 80 | 0.14 | 0.89 | 0.08 | 0.92 | 0.08 | 0.91 |
| 120 | 0.06 | 0.91 | 0.03 | 0.94 | 0.04 | 0.93 |
| 160 | 0.09 | 0.88 | 0.06 | 0.91 | 0.06 | 0.92 |
), ArticleFig(id=1168122921831637341, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=表2, caption=
参数优化过程
, figureFileSmall=null, figureFileBig=null, tableContent=
批量 大小 | 神经元=20 | 神经元=30 | 神经元=40 |
| 损失率 | 准确率 | 损失率 | 准确率 | 损失率 | 准确率 |
| 80 | 0.14 | 0.89 | 0.08 | 0.92 | 0.08 | 0.91 |
| 120 | 0.06 | 0.91 | 0.03 | 0.94 | 0.04 | 0.93 |
| 160 | 0.09 | 0.88 | 0.06 | 0.91 | 0.06 | 0.92 |
), ArticleFig(id=1168122921898746206, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Tab.3, caption=
Influence of different prediction steps on prediction results
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| 预测步长 | 时间步长 | 预测精度/% | ADE/m | FDE/m |
| 3 | 9 | 94.37 | 1.05 | 1.71 |
| 4 | 12 | 92.81 | 1.17 | 1.94 |
| 5 | 15 | 89.39 | 1.31 | 2.05 |
| 6 | 18 | 86.83 | 1.38 | 2.13 |
), ArticleFig(id=1168122921991020895, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=表3, caption=
不同预测步长对预测结果影响
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| 预测步长 | 时间步长 | 预测精度/% | ADE/m | FDE/m |
| 3 | 9 | 94.37 | 1.05 | 1.71 |
| 4 | 12 | 92.81 | 1.17 | 1.94 |
| 5 | 15 | 89.39 | 1.31 | 2.05 |
| 6 | 18 | 86.83 | 1.38 | 2.13 |
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Flight CSN6883 contour vertex
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| 时间 | (a1,b1) | (a2,b2) | (a3,b3) | (a4,b4) |
| 10:27:00 | (43.914 643,87.455 138) | (43.880 229,87.465 006) | (43.891 117,87.502 976) | (43.925 530,87.493 108) |
| 10:27:01 | (43.914 674,87.455 126) | (43.880 260,87.464 994) | (43.891 148,87.502 964) | (43.925 561,87.493 096) |
| 10:27:02 | (43.914 705,87.455 113) | (43.880 292,87.464 981) | (43.891 179,87.502 951) | (43.925 593,87.493 083) |
| ︙ | ︙ | ︙ | ︙ | ︙ |
| 11:06:30 | (43.884 526,87.468 280) | (43.894 394,87.502 694) | (43.932 364,87.491 806) | (43.922 496,87.457 393) |
), ArticleFig(id=1168122922129432929, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=表4, caption=
航班CSN6883轮廓顶点
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| 时间 | (a1,b1) | (a2,b2) | (a3,b3) | (a4,b4) |
| 10:27:00 | (43.914 643,87.455 138) | (43.880 229,87.465 006) | (43.891 117,87.502 976) | (43.925 530,87.493 108) |
| 10:27:01 | (43.914 674,87.455 126) | (43.880 260,87.464 994) | (43.891 148,87.502 964) | (43.925 561,87.493 096) |
| 10:27:02 | (43.914 705,87.455 113) | (43.880 292,87.464 981) | (43.891 179,87.502 951) | (43.925 593,87.493 083) |
| ︙ | ︙ | ︙ | ︙ | ︙ |
| 11:06:30 | (43.884 526,87.468 280) | (43.894 394,87.502 694) | (43.932 364,87.491 806) | (43.922 496,87.457 393) |
), ArticleFig(id=1168122922200736098, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Tab.5, caption=
Flight CSN6883 conflict risk prediction
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| 冲突航班 | 冲突时间 | 冲突地点 | 2机关系 |
| CSN6645 | 10:48:57 | TB_16_2 | turning |
| CSN6645 | 10:51:08 | TB_21_2 | same |
| CSN6645 | 10:53:46 | TB_21_2 | same |
| GCR7591 | 10:56:04 | TB_24_2 | turning |
| CHB6357 | 10:51:01 | TB_21_2 | turning |
| CHB6357 | 10:51:38 | TB_21_2 | same |
| CHB6357 | 10:51:51 | TB_22 | same |
| CHB6357 | 10:53:43 | TB_23 | same |
| CHB6357 | 10:53:51 | TB_24_2 | same |
| CHB6357 | 10:55:39 | TB_25 | same |
| CHB6357 | 10:55:47 | TB_D1_1 | same |
| CHB6421 | 10:59:58 | TD1_10_1 | turning |
| CHB6421 | 11:02:13 | TD1_10 | opposite |
), ArticleFig(id=1168122922263650659, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=表5, caption=
航班CSN6883冲突风险识别
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| 冲突航班 | 冲突时间 | 冲突地点 | 2机关系 |
| CSN6645 | 10:48:57 | TB_16_2 | turning |
| CSN6645 | 10:51:08 | TB_21_2 | same |
| CSN6645 | 10:53:46 | TB_21_2 | same |
| GCR7591 | 10:56:04 | TB_24_2 | turning |
| CHB6357 | 10:51:01 | TB_21_2 | turning |
| CHB6357 | 10:51:38 | TB_21_2 | same |
| CHB6357 | 10:51:51 | TB_22 | same |
| CHB6357 | 10:53:43 | TB_23 | same |
| CHB6357 | 10:53:51 | TB_24_2 | same |
| CHB6357 | 10:55:39 | TB_25 | same |
| CHB6357 | 10:55:47 | TB_D1_1 | same |
| CHB6421 | 10:59:58 | TD1_10_1 | turning |
| CHB6421 | 11:02:13 | TD1_10 | opposite |
), ArticleFig(id=1168122922330759524, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=EN, label=Tab.6, caption=
Actual conflict risk of flight CSN6883
, figureFileSmall=null, figureFileBig=null, tableContent=
| 冲突航班 | 冲突时间 | 冲突地点 | 2机关系 |
| CSN6645 | 10:48:57 | TB_16_2 | turning |
| CSN6645 | 10:51:46 | TB_21_2 | same |
| GCR7591 | 10:56:04 | TB_24_2 | turning |
| CHB6357 | 10:51:01 | TB_21_2 | turning |
| CHB6357 | 10:51:51 | TB_22 | same |
| CHB6357 | 10:53:51 | TB_24_2 | same |
| CHB6357 | 10:55:47 | TB_D1_1 | same |
| CHB6421 | 10:59:58 | TD1_10_1 | turning |
| CHB6421 | 11:02:13 | TD1_10 | opposite |
), ArticleFig(id=1168122922406256997, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149741818184642928, language=CN, label=表6, caption=
航班CSN6883实际冲突风险
, figureFileSmall=null, figureFileBig=null, tableContent=
| 冲突航班 | 冲突时间 | 冲突地点 | 2机关系 |
| CSN6645 | 10:48:57 | TB_16_2 | turning |
| CSN6645 | 10:51:46 | TB_21_2 | same |
| GCR7591 | 10:56:04 | TB_24_2 | turning |
| CHB6357 | 10:51:01 | TB_21_2 | turning |
| CHB6357 | 10:51:51 | TB_22 | same |
| CHB6357 | 10:53:51 | TB_24_2 | same |
| CHB6357 | 10:55:47 | TB_D1_1 | same |
| CHB6421 | 10:59:58 | TD1_10_1 | turning |
| CHB6421 | 11:02:13 | TD1_10 | opposite |
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