第14卷第1期2023年2月Vol.14No.1Feb.2023航空工程进展ADVANCESINAERONAUTICALSCIENCEANDENGINEERING以可用度为目标的民用飞机不完全预防性维修间隔优化吴晓1,王瀛2,彭超峰1(1.上海飞机客户服务有限公司维修工程部,上海200241)(2.北京飞机维修工程有限公司工程部,北京100621)摘要:民用飞机制造商推荐的初始预防性维修间隔通常不考虑运营环境和维修能力的差异,在满足飞机安全性要求的同时,难以达到可用性的最优状态。基于不完全维修理论,采用役龄回退因子修正部件的可靠性模型,以反映维修工作对于部件性能的影响;结合航空公司运行实际情况,以部件可用度为目标函数,可靠度阈值为约束条件,提出不完全维修策略下的预防性维修间隔优化模型,并以某型飞机的空气起动机航线故障数据进行实例验证。结果表明:在满足可靠度阈值的约束条件下,所建立的维修间隔优化模型得出的最优维修间隔与实际相符,该模型合理可行。关键词:役龄回退因子;不完全维修;可用度;可靠度;威布尔分布中图分类号:V267文献标识码:ADOI:10.16615/j.cnki.1674-8190.2023.01.14IntervaloptimizationofcivilaircraftimperfectpreventivemaintenancebasedonavailabilityWUXiao1,WANGYing2,PENGChaofeng1(1.MaintenanceEngineeringDepartment,ShanghaiAircraftCustomServiceCo.,Ltd.,Shanghai200241,China)(2.EngineeringDepartment,BeijingAircraftMaintenanceEngineeringCo.,Ltd.,Beijing100621,China)Abstract:Theinitialpreventivemaintenanceintervalrecommendedbycivilaircraftmanufacturersusuallydoesnotconsidertheoperators'environmentandmaintenancecapacitydifference.Itisdifficulttoachievetheoptimalstateofavailabilitywhilemeetingtherequirementsofaircraftsafety.Basedontheimperfectmaintenancetheory,thereli⁃abilitymodelofcomponentsismodifiedbytheserviceagefallbackfactortoreflecttheimpactofmaintenanceworkoncomponentperformance.Combinedwiththeairlinesoperationreality,takingcomponentavailabilityastheobjec⁃tivefunctionandreliabilitythresholdastheconstraintcondition,thepreventivemaintenanceintervaloptimizationmodelinimperfectmaintenancestrategyisestablished.Anexampleisgiventoverifytheairstarterlinefaultdataofanaircraft.Theresultsshowthattheoptimalmaintenanceintervalobtainedbythe...