Article(id=1156264265918046914, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156264148657886112, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2402782, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1713283200000, receivedDateStr=2024-04-17, revisedDate=1733932800000, revisedDateStr=2024-12-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1753604483345, onlineDateStr=2025-07-27, pubDate=1740672000000, pubDateStr=2025-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753604483345, onlineIssueDateStr=2025-07-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753604483345, creator=13701087609, updateTime=1753604483345, updator=13701087609, issue=Issue{id=1156264148657886112, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='6', pageStart='2193', pageEnd='2636', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753604455388, creator=13701087609, updateTime=1753771257443, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156963767234945803, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156264148657886112, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156963767234945804, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156264148657886112, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2595, endPage=2604, ext={EN=ArticleExt(id=1156264267251835588, articleId=1156264265918046914, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Optimization Method for Opportunity Maintenance Decision of Civil Aircraft System Components Considering the Comprehensive Risk Effects of Multiple Factors, columnId=1156262731079607234, journalTitle=Science Technology and Engineering, columnName=Papers·Aeronautics and Astronautics, runingTitle=null, highlight=null, articleAbstract=
In response to the problem of insufficient analysis of the risk impact on system components and inadequate classification management in civil aircraft maintenance, which leads to sudden failures during component operation, a comprehensive risk impact factor was introduced to accurately evaluate the importance and potential hazards of civil aircraft system components, and a component preventive maintenance strategy considering the comprehensive risk impact of multiple factors was established. A chance maintenance decision model for civil aircraft systems was established with the objective of optimizing the maintenance cost of components, taking into account the comprehensive risk impact of multiple factors on components. The model comprehensively considers the time correlation between system components and the cost generated by the comprehensive risk impact of multiple factors on components. Example verification shows that compared to preventive maintenance decisions that do not consider the impact of component risks, the maintenance decision proposed in this article reduces the total maintenance cost of civil aircraft systems by about 20.20%, and the reduction rate of preventive maintenance and replacement frequency is about 41.23%.
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针对民机维修中对系统部件风险影响分析不够深入、分类管理不细而导致部件运行中出现突发故障的问题,通过引入综合风险影响度因子对民机系统部件的重要度和潜在隐患进行准确评估,建立了考虑多因素综合风险影响的部件预防性维修策略。以民机系统部件维修成本优化为目标,建立了一种考虑部件多因素综合风险影响的民机系统机会维修决策模型,综合考虑了系统部件间的时间相关性和部件的多因素综合风险影响产生的成本。实例验证表明,相较于不考虑部件风险影响的预防性维修决策,本文提出的维修决策使民机系统的总维护成本降低约20.20%,预防性维修与更换次数减少率约为41.23%。
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李耀华(1974—),男,汉族,天津人,博士,教授。研究方向:民机系统维修决策优化,维修工程分析。E-mail:yh_li@cauc.edu.cn。
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李耀华(1974—),男,汉族,天津人,博士,教授。研究方向:民机系统维修决策优化,维修工程分析。E-mail:yh_li@cauc.edu.cn。
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Factors for evaluating the comprehensive risk impact of components, figureFileSmall=gIHfIg2x7GTQOwdkl/QJHQ==, figureFileBig=6I3NlXCAFQbtQ2DcPWwEVg==, tableContent=null), ArticleFig(id=1233422553205764303, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=图1, caption=
部件综合风险影响度评估因素, figureFileSmall=gIHfIg2x7GTQOwdkl/QJHQ==, figureFileBig=6I3NlXCAFQbtQ2DcPWwEVg==, tableContent=null), ArticleFig(id=1233422553377730787, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Fig.2, caption=
The selection and judgment process of opportunity maintenance concept, figureFileSmall=fz20v5sorIbEexcv2Z5EHw==, figureFileBig=LQhMtL/+nX2e37C/uSrrwA==, tableContent=null), ArticleFig(id=1233422554824765679, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=图2, caption=
机会维修思想的选择和判断过程, figureFileSmall=fz20v5sorIbEexcv2Z5EHw==, figureFileBig=LQhMtL/+nX2e37C/uSrrwA==, tableContent=null), ArticleFig(id=1233422554988343546, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Fig.3, caption=
Opportunity maintenance schematic, figureFileSmall=JqxkiBJ8E9vhGWntt6oshg==, figureFileBig=rsdFakwmrj/Jqly8Dds3zQ==, tableContent=null), ArticleFig(id=1233422555151921418, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=图3, caption=
机会维修原理图, figureFileSmall=JqxkiBJ8E9vhGWntt6oshg==, figureFileBig=rsdFakwmrj/Jqly8Dds3zQ==, tableContent=null), ArticleFig(id=1233422555256779032, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Fig.4, caption=
Bar chart of the calculated comprehensive risk impact of components, figureFileSmall=VKZSTkdyQ+VPhJrZrYAtmA==, figureFileBig=gKN9x5CYPfyfaVUy0BpqrA==, tableContent=null), ArticleFig(id=1233422555370025246, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=图4, caption=
部件综合风险影响度计算结果柱状图, figureFileSmall=VKZSTkdyQ+VPhJrZrYAtmA==, figureFileBig=gKN9x5CYPfyfaVUy0BpqrA==, tableContent=null), ArticleFig(id=1233422555479077164, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Fig.5, caption=
Opportunity maintenance cost, figureFileSmall=ujw69/fWwp1wFV0TlfnM7w==, figureFileBig=PLUMJhWPKN6tOutrRtjjzQ==, tableContent=null), ArticleFig(id=1233422555688792378, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=图5, caption=
机会维修成本, figureFileSmall=ujw69/fWwp1wFV0TlfnM7w==, figureFileBig=PLUMJhWPKN6tOutrRtjjzQ==, tableContent=null), ArticleFig(id=1233422555839787333, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Table 1, caption=
Component cost classification
, figureFileSmall=null, figureFileBig=null, tableContent=
| 指标名称 | 分级 | 评定等级描述 | 等级分值 |
| 部件造价/万元 | 1 000及以上 | 很重要 | 9 |
| 500~1 000 | 重要 | 7 |
| 100~500 | 一般 | 5 |
| 10~100 | 轻微 | 3 |
| 10及以下 | 影响极小 | 1 |
), ArticleFig(id=1233422555990782293, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=表1, caption=
部件造价分级
, figureFileSmall=null, figureFileBig=null, tableContent=
| 指标名称 | 分级 | 评定等级描述 | 等级分值 |
| 部件造价/万元 | 1 000及以上 | 很重要 | 9 |
| 500~1 000 | 重要 | 7 |
| 100~500 | 一般 | 5 |
| 10~100 | 轻微 | 3 |
| 10及以下 | 影响极小 | 1 |
), ArticleFig(id=1233422556112417119, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Table 2, caption=
Classification of component fault detectability
, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测技术要求 | 评分 |
| 监测费用低 | 监测费用高 |
| 低 | 1 | 4 |
| 中等 | 4 | 6 |
| 高 | 7~8 | 9 |
| 非常高 | 8~9 | 10 |
), ArticleFig(id=1233422556267606378, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=表2, caption=
部件故障可监测性分级
, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测技术要求 | 评分 |
| 监测费用低 | 监测费用高 |
| 低 | 1 | 4 |
| 中等 | 4 | 6 |
| 高 | 7~8 | 9 |
| 非常高 | 8~9 | 10 |
), ArticleFig(id=1233422556389241207, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Table 3, caption=
Warning severity classification
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 告警分类 | 严重程度 | 评定等级 描述 | 等级分值 |
| 1 | 故障 | 紧急 | 很严重 | 9 |
| 2 | 异常 | 重要 | 严重 | 7 |
| 3 | 一般损伤 | 次要 | 一般 | 5 |
| 4 | 轻微损伤 | 一般 | 轻微 | 3 |
| 5 | 告知 | 轻微 | 影响极小 | 1 |
), ArticleFig(id=1233422556506681726, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=表3, caption=
预警严重度分级
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 告警分类 | 严重程度 | 评定等级 描述 | 等级分值 |
| 1 | 故障 | 紧急 | 很严重 | 9 |
| 2 | 异常 | 重要 | 严重 | 7 |
| 3 | 一般损伤 | 次要 | 一般 | 5 |
| 4 | 轻微损伤 | 一般 | 轻微 | 3 |
| 5 | 告知 | 轻微 | 影响极小 | 1 |
), ArticleFig(id=1233422556632510855, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Table 4, caption=
Classification of fault impact degree
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障类型 | 较大故障 | 一级故障 | 二级故障 | 三级故障 | 其他 |
评定等 级描述 | 很严重 | 严重 | 一般 | 轻微 | 影响极小 |
| 等级分值 | 9 | 7 | 5 | 3 | 1 |
), ArticleFig(id=1233422556728979856, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=表4, caption=
故障影响度分级
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障类型 | 较大故障 | 一级故障 | 二级故障 | 三级故障 | 其他 |
评定等 级描述 | 很严重 | 严重 | 一般 | 轻微 | 影响极小 |
| 等级分值 | 9 | 7 | 5 | 3 | 1 |
), ArticleFig(id=1233422556926112158, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Table 5, caption=
Average random consistency index RI value
, figureFileSmall=null, figureFileBig=null, tableContent=
| n | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| RI | 0 | 0 | 0.52 | 0.89 | 1.12 | 1.26 | 1.36 | 1.41 | 1.46 |
), ArticleFig(id=1233422557026775461, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=表5, caption=
平均随机一致性指标RI值
, figureFileSmall=null, figureFileBig=null, tableContent=
| n | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| RI | 0 | 0 | 0.52 | 0.89 | 1.12 | 1.26 | 1.36 | 1.41 | 1.46 |
), ArticleFig(id=1233422557148410290, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Table 6, caption=
Component parameters
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| 部件 | β | η | Cfs | Cps | Cgs | crisk | tfs | tps | tgs | Rmin |
| 1 | 1.4 | 143 | 960 | 1 950 | 7 950 | 500 | 0.9 | 0.4 | 0.2 | 0.75 |
| 2 | 0.8 | 55 | 480 | 1 000 | 1 600 | 500 | 0.8 | 0.3 | 0.1 | 0.80 |
| 3 | 2.5 | 93 | 400 | 1 080 | 7 250 | 500 | 1.0 | 0.6 | 0.4 | 0.86 |
| 4 | 2.1 | 73 | 600 | 1 780 | 5 100 | 500 | 0.9 | 0.4 | 0.3 | 0.85 |
), ArticleFig(id=1233422557282628031, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=表6, caption=
部件参数
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| 部件 | β | η | Cfs | Cps | Cgs | crisk | tfs | tps | tgs | Rmin |
| 1 | 1.4 | 143 | 960 | 1 950 | 7 950 | 500 | 0.9 | 0.4 | 0.2 | 0.75 |
| 2 | 0.8 | 55 | 480 | 1 000 | 1 600 | 500 | 0.8 | 0.3 | 0.1 | 0.80 |
| 3 | 2.5 | 93 | 400 | 1 080 | 7 250 | 500 | 1.0 | 0.6 | 0.4 | 0.86 |
| 4 | 2.1 | 73 | 600 | 1 780 | 5 100 | 500 | 0.9 | 0.4 | 0.3 | 0.85 |
), ArticleFig(id=1233422557404262859, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Table 7, caption=
Calculation results of comprehensive risk impact of each component
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| 部件代号 | 部件重要 度值 | 部件潜在 隐患值 | 部件综合风险 影响度值 |
| 1 | 0.558 4 | 0.364 4 | 0.203 5 |
| 2 | 0.421 2 | 0.465 3 | 0.196 0 |
| 3 | 0.924 3 | 0.531 7 | 0.491 5 |
| 4 | 0.722 4 | 0.365 8 | 0.264 3 |
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各部件综合风险影响度计算结果
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| 部件代号 | 部件重要 度值 | 部件潜在 隐患值 | 部件综合风险 影响度值 |
| 1 | 0.558 4 | 0.364 4 | 0.203 5 |
| 2 | 0.421 2 | 0.465 3 | 0.196 0 |
| 3 | 0.924 3 | 0.531 7 | 0.491 5 |
| 4 | 0.722 4 | 0.365 8 | 0.264 3 |
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Preventive maintenance interval
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| 部件 | T1 | T2 | T3 | T4 | T5 |
| 1 | 58.73 | 52.57 | 46.48 | 41.11 | 36.49 |
| 2 | 8.44 | 8.36 | 8.11 | 7.80 | 7.44 |
| 3 | 43.64 | 39.27 | 34.04 | 29.02 | 24.61 |
| 4 | 30.73 | 27.53 | 23.87 | 20.46 | 17.52 |
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预防性维修时间间隔
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| 部件 | T1 | T2 | T3 | T4 | T5 |
| 1 | 58.73 | 52.57 | 46.48 | 41.11 | 36.49 |
| 2 | 8.44 | 8.36 | 8.11 | 7.80 | 7.44 |
| 3 | 43.64 | 39.27 | 34.04 | 29.02 | 24.61 |
| 4 | 30.73 | 27.53 | 23.87 | 20.46 | 17.52 |
), ArticleFig(id=1233422559266533874, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Table 9, caption=
Cost rates for different preventive maintenance
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| 部件 | 1 | 2 | 3 | 4 |
| 1 | 97.75 | 89.18 | 88.66 | 91.53 |
| 2 | 152.68 | 145.30 | 144.53 | 146.85 |
| 3 | 104.54 | 90.90 | 88.98 | 92.13 |
| 4 | 123.67 | 119.60 | 125.58 | 136.31 |
), ArticleFig(id=1233422559417528831, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=表9, caption=
不同预防性维修的费用率
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| 部件 | 1 | 2 | 3 | 4 |
| 1 | 97.75 | 89.18 | 88.66 | 91.53 |
| 2 | 152.68 | 145.30 | 144.53 | 146.85 |
| 3 | 104.54 | 90.90 | 88.98 | 92.13 |
| 4 | 123.67 | 119.60 | 125.58 | 136.31 |
), ArticleFig(id=1233422559543357962, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=EN, label=Table 10, caption=
Comparison of results under different maintenance strategies
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| 参数 | 不考虑综合 风险影响 损失的预 防性维修 | 考虑综合 风险影响 损失的预 防性维修 | 考虑综合 风险影响 损失的机 会维修 |
| 总维修费用/元 | 319 306.19 | 293 294.60 | 254 799.59 |
| 预防性维修与更换次数 | 114 | 103 | 67 |
| 预防性维修停机时间/d | 45.4 | 41.7 | 23.9 |
| 预防性维修停机损失/元 | 22 700 | 20 850 | 11 950 |
), ArticleFig(id=1233422559723713047, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264265918046914, language=CN, label=表10, caption=
不同维修策略下的结果对比
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| 参数 | 不考虑综合 风险影响 损失的预 防性维修 | 考虑综合 风险影响 损失的预 防性维修 | 考虑综合 风险影响 损失的机 会维修 |
| 总维修费用/元 | 319 306.19 | 293 294.60 | 254 799.59 |
| 预防性维修与更换次数 | 114 | 103 | 67 |
| 预防性维修停机时间/d | 45.4 | 41.7 | 23.9 |
| 预防性维修停机损失/元 | 22 700 | 20 850 | 11 950 |
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