对抗主动防护系统的EFP 战斗部设计.doc对抗主动防护系统的EFP 战斗部设计.doc

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专业文档,值得下载专业文档,值得珍藏201308题录英译集一类时滞兰彻斯特方程的奇异摄动方法周津1,程燕2,谢英超11陆军军官学院研究生管理大队,合肥230031;2陆军军官学院基础部,合肥230031摘要考虑兰彻斯特方程反应时间因素在战斗要素中的重要作用,建立信息化条件下的时滞兰彻斯特战斗模型。通过构造边界层函数,用时滞奇异摄动理论研究时滞兰彻斯特方程的各次近似解,并对解进行精度比较。结果表明该奇异摄动方法简单、有效,具有较高的精度,能得到解的表达式以及解析运算,可进一步对兰彻斯特方程进行定性及定量的研究。关键词时滞;兰彻斯特方程;奇异摄动SINGULARPERTURBATIONMETHODFORONECLASSOFTIMEDELAYLANCHESTEREQUATIONZHOUJIN1,CHENGYAN2,XIEYINGCHAO11ADMINISTRANTBRIGADEOFPOSTGRADUATE,ARMYOFFICERACADEMYOFPLA,HEFEI230031,CHINA;2BASICDEPARTMENT,ARMYOFFICERACADEMYOFPLA,HEFEI230031,CHINAABSTRACTCONSIDERINGTHEIMPORTANTROLEOFLANCHESTEREQUATIONOFREACTIONTIMEFACTORINCOMBATELEMENTS,TIMEDELAYLANCHESTERCOMBATMODELISESTABLISHEDUNDERTHECONDITIONOFINFORMATIONIZATIONEACHAPPROXIMATESOLUTIONOFLANCHESTEREQUATIONUSINGSINGULARPERTURBATIONTHEORYWASCONSTRUCTEDBYCONSTRUCTINGBOUNDARYLAYERFUNCTIONMETHOD,THENCOMPARINGTHEACCURACIESFORTHESOLUTIONSVERIFIESTHEASYMPTOTICEXPANSIONPOSSESSESABETTERACCURACYANDTHISKINDOFAPPROXIMATESOLUTIONISANALYZING,THUSFURTHERQUALITATIVEANDQUANTITATIVERESEARCHONTHELANCHESTEREQUATIONCANBEDONEONTHISBASICRESEARCHKEYWORDSTIMEDELAY;LANCHESTEREQUATION;SINGULARPERTURBATION鱼雷环境应力筛选优化方法王建平海军装备部,西安710065摘要为进一步提高鱼雷电子组件环境应力筛选效能,分析和总结了鱼雷电子组件环境应力筛选现状,针对目前存在的效率低、周期长、效果参差不齐等问题,提出了多轴向筛选、提高产品内部温度变化率、筛选条件标准化等优化方法,对提升鱼雷质量可靠性具有重要意义。关键词提高鱼雷;环境应力筛选;效能OPTIMALMETHODOFENVIRONMENTALSTRESSSCREENINGFORTORPEDOWANGJIANPINGNAVALEQUIPMENTDEPARTMENTOFPLA,XI’AN710065,CHINAABSTRACTTOIMPROVEEFFECTIVENESSOFENVIRONMENTALSTRESSSCREENINGFORTORPEDO,THISPAPERANALYZESANDSUMMARIESTHEDEVELOPMENTOFESSFORTORPEDOELECTRONICELEMENTSATFIRSTAIMINGATTHEEXISTINGPROBLEMS,LIKELOWEFFICIENCY,LONGCYCLE,ANDUNSTABLEEFFECT,SOMEOPTIMALMETHODSOFESSARERECOMMENDED,SUCHASMULTIAXISSCREENING,INCREASINGTHEINTERNALTEMPERATUREVARIATIONRATEOFPRODUCTSANDSTANDARDIZINGTHECONDITIONOFESSTHESEMETHODSAREUSEFULFORENHANCINGTHERELIABILITYOFQUALITYFORTORPEDOKEYWORDSTORPEDO;ENVIRONMENTALSTRESSSCREENINGESS;EFFECTIVENESS对抗主动防护系统的EFP战斗部设计郭希维1,姚志敏1,赵昉21军械工程学院四系,石家庄050003;2军械工程学院军械技术研究所,石家庄050000摘要为了确立反坦克导弹在战场上的主动地位,采用EFP战斗部对抗主动防护系统。在介绍主动防护系统基本原理的基础上,采用反应时间对比的方法对EFP战斗部对抗主动防护系统的可行性进行了分析。总结了EFP的形成机理与特点,给出了EFP战斗部的设计依据,利用几何相似律设计了串联EFP战斗部,计算出了战斗部的最近起爆距离。该研究可为EFP战斗部进一步的详细设计奠定基础。关键词主动防护系统;EFP战斗部;对抗;设计DESIGNOFEFPWARHEADFORCOUNTERINGACTIVEPROTECTINGSYSTEM专业文档,值得下载专业文档,值得珍藏GUOXIWEI1,YAOZHIMIN1,ZHAOFANG21NO4DEPARTMENT,ORDNANCEENGINEERINGCOLLEGE,SHIJIAZHUANG050003,CHINA;2ORDNANCETECHNOLOGYRESEARCHINSTITUTE,ORDNANCEENGINEERINGCOLLEGE,SHIJIAZHUANG050000,CHINAABSTRACTINORDERTOASSURETHEACTIVEPOSITIONFORANTITANKMISSILE,THEEFPWARHEADISUSEDTOCOUNTERACTIVEPROTECTINGSYSTEMAPSFIRSTLY,BASEDONINTRODUCTIONOFTHEPRINCIPLEOFAPS,THEFEASIBILITYFOREFPTOCOUNTERAPSISDEMONSTRATEDBYTHECOMPARISONOFREACTIONTIMESECONDLY,THEMECHANISMANDCHARACTERISTICSOFEFPAREALSOANALYZED,THEDESIGNINGGISTOFEFPISGIVEN,ANDTHESTRUCTUREOFEFPISDESIGNEDACCORDINGTOTHEGEOMETRICSIMILARITYATLAST,THEMINIMUMINITIATIONDISTANCEOFWARHEADISCALCULATEDTHERESEARCHISLAYINGAFOUNDATIONFORFURTHERDETAILEDDESIGNOFEFPWARHEADKEYWORDSACTIVEPROTECTINGSYSTEMAPS;EFPWARHEAD;COUNTER;DESIGN基于小波变换的某火炮炮口振动分析杨凡,于存贵南京理工大学机械工程学院,南京210094摘要针对弹丸发射时瞬间产生的振动严重影响火炮的射击精度的问题,提出利用小波变换的方法对舰炮非线性有限元模型的动力学响应进行时频分析研究。利用非线性有限元理论,建立了舰炮的非线性有限元动力学模型,并进行了动力学计算,得到了发射过程中炮口振动的时域历程;采用连续小波变换对炮口加速度响应进行了分析,得到了其频域信息。分析结果证明该方法弥补了传统傅里叶变换方法的不足,可为火炮的改进和优化提供依据。关键词炮口扰动;非线性有限元;小波变换;时频分析中图分类号TJ306文献标志码AANALYSISOFCERTAINTYPEGUNMUZZLEVIBRATIONSBASEDONWAVELETTRANSFORMATIONYANGFAN,YUCUNGUISCHOOLOFMECHANICALENGINEERING,NANJINGUNIVERSITYOFSCIENCETECHNOLOGY,NANJING210094,CHINAABSTRACTAIMINGATTHEPROBLEMTHATTHEGUNFIRINGACCURACYISINFLUENCEDSERIOUSLYBYVIBRATIONCAUSEDBYPROJECTILEINJECTIONTHEWAVELETTRANSFORMATIONMETHODWASUSEDFORTIMEFREQUENCYANALYSISOFNAVALGUNNONLINEARFINITEELEMENTDYNAMICSRESPONSETHEDYNAMICMODELOFTHENAVALGUNFINITEELEMENTWASESTABLISHEDBYUSINGTHETHEORYOFNONLINEARFINITEELEMENT,CARRYOUTTHEDYNAMICCALCULATION,THETIMEHISTORYOFVIBRATIONSIGNALSOFMUZZLEINFIRINGPROCESSWASOBTAINEDWITHTHESIMULATIONSYSTEMBYUSINGTHETECHNOLOGYOFTHECONTINUOUSWAVELETTRANSFORMATIONTOANALYZEMUZZLEACCELERATIONRESPONSE,THEFREQUENCYCHARACTERISTICWASOBTAINEDTHEANALYSISRESULTSSHOWTHATTHEWAVELETTRANSFORMATIONMETHODMAKEUPTHELACKOFTRADITIONALFOURIERTRANSFORM,ANDPROVIDEREFERENCEFORTHEIMPROVEMENTANDOPTIMIZATIONOFNAVALGUNKEYWORDSMUZZLEVIBRATION;NONLINEARFINITEELEMENT;WAVELETTRANSFORMATION;TIMEFREQUENCYANALYSIS全弹密封检测装置及技术方案马宏亮安徽东风机电科技股份有限公司技改设备部,合肥230022摘要针对正压浸水检漏法、氦质谱仪检漏法和干空压差检漏法3种检测方法的不足,设计一种全弹密封检测装置用于全弹的检测。分析装置组成与功能,给出其工艺流程和相关技术参数。结果表明该方法灵敏度高,操作方便,可实现多工位同时检测,大大提升工作效率。关键词全弹;差压;密封试验;检测装置WHOLEMISSILESEALINGDETECTIONDEVICEANDTECHNOLOGYSOLUTIONSMAHONGLIANGDEPARTMENTOFTECHNICALTRANSFORMATIONEQUIPMENT,ANHUIDONGFENGELECTROMECHANICALSCIENCETECHNOLOGYCO,LTD,HEFEI230022,CHINAABSTRACTINORDERTOOVERCOMETHEDEFECTOFPOSITIVEPRESSUREWATERLEAKDETECTIONMETHOD,HELIUMMASSSPECTROMETERLEAKDETECTIONMETHOD,ANDDRYAIRDIFFERENTIALPRESSURELEAKDETECTIONMETHODDESIGNASEALINGDETECTIONDEVICEFORTESTINGWHOLEMISSILEANALYZECOMPOSITIONANDFUNCTIONOFTHEDEVICE,GIVETHETECHNOLOGICALPROCESSANDTECHNICALPARAMETERSTHERESULTSSHOWTHATTHEMETHODWITHHIGHSENSITIVITYANDCONVENIENTOPERATION,CANREALIZEMULTILOCATIONDETECTIONATTHESAMETIME,ANDGREATLYIMPROVEWORKEFFICIENCYKEYWORDSWHOLEMISSILE;DIFFERENTIALPRESSURE;SEALINGTEST;DETECTIONDEVICE专业文档,值得下载专业文档,值得珍藏超低空空投故障状态下模糊飞行控制戴正升,陆宇平,杨雨南京航空航天大学自动化学院,南京210016摘要针对运输机超低空空投时的飞行安全问题,对空投时飞机的纵向姿态控制律进行研究。通过选取适当的坐标系,从牛顿矢量力学出发,推导了空投过程中货物在机舱内移动时飞机纵向运动的数学模型,分析了货物的运动方程并考虑了货物因机构故障被卡死的意外情况;并基于智能控制理论,设计了模糊控制律,对空投过程进行了无控条件和模糊控制下的仿真。仿真结果表明该模糊控制器能够有效抑制货物出舱出现故障时对运输机姿态的影响,具有良好的控制效果。关键词超低空空投;飞行力学;飞行控制;模糊控制;出舱故障FUZZYFLIGHTCONTROLFORULTRALOWALTITUDEAIRDROPINFAULTSTATEDAIZHENGSHENG,LUYUPING,YANGYUCOLLEGEOFAUTOMATIONENGINEERING,NANJINGUNIVERSITYOFAERONAUTICSASTRONAUTICS,NANJING210016,CHINAABSTRACTTHEFLIGHTCONTROLLAWOFLONGITUDINALATTITUDEISRESEARCHEDFORFLIGHTSAFETYOFTHETRANSPORTAIRDROPPINGATULTRALOWALTITUDEBASEDONNEWTONIANMECHANICS,THETRANSPORTLONGITUDINALMATHEMATICALMODELOFHEAVYCARGOAIRDROPSYSTEMISESTABLISHEDBYSELECTINGUSEFULCOORDINATESYSTEMCARGOEXTRACTIONDYNAMICSMODELISBUILT,ANDINVESTIGATEDAKINDOFIMPORTANTACCIDENTCASE,THATOFCARGOBESTUCKATGUIDERAILTHEFUZZYCONTROLLERISDESIGNEDBASEDONINTELLIGENTCONTROLTHEORYANDCOMPUTERSIMULATIONISMADEUNDERNONCONTROLCONDITIONANDFUZZYCONTROLCONDITIONSIMULATIONRESULTSSHOWTHATTHEFUZZYCONTROLLERISEFFECTIVE,THATIS,THEIMPACTOFCARGOEXTRACTIONFAULTISEFFECTIVELYRESTRAINEDKEYWORDSULTRALOWALTITUDEAIRDROP;FLIGHTMECHANICS;FLIGHTCONTROL;FUZZYCONTROL;CARGOEXTRACTIONFAULT装甲装备器材仓库备件库存优化方法王明亮1,余勃彪2,31海军装备部合同监管部,北京100036;2装甲兵工程学院技术保障工程系,北京100072;3海军工程大学兵器工程系,武汉430033摘要如何寻求装备维修备件保障费用与装备完好性之间的最佳平衡,是装备管理过程中面临的重要问题。依据装甲装备使用与维修保障的特点,提出一种备件仓库库存优化方法,构建多级库存模型,分析备件周转、申领、调度对器材保障效果的影响及其与备件库存费用之间的关系,通过ANYLOGIC软件对某类装甲装备在一年内的使用与维修情况进行仿真。结果表明,该方法能以最低的器材保障延误时间和最小的器材保障费用来满足维修任务需求。关键词装甲装备;器材保障;备件;库存;优化METHODFOROPTIMIZINGSTOCKSOFSPAREPARTSOFARMORINGEQUIPMENTDEPOTSWANGMINGLIANG1,YUBOBIAO2,31DEPARTMENTOFCONTRACTSUPERVISION,NAVALEQUIPMENTDEPARTMENTOFPLA,BEIJING100036,CHINA;2DEPARTMENTOFTECHNICALSUPPORTENGINEERING,ACADEMYOFARMOREDFORCEENGINEERING,BEIJING100072,CHINA;3DEPARTMENTOFWEAPONRYENGINEERING,NAVALUNIVERSITYOFENGINEERING,WUHAN430033,CHINAABSTRACTAMAINCHALLENGEINARMAMENTMANAGEMENTPROCESSISHOWTOGETTHEOPTIMIZEDBALANCEBETWEENTHECOSTOFSUPPORTOFTHESPAREPARTS’STOCKANDARMAMENTAVAILABILITYACCORDINGTOTHECHARACTERISTICSOFEMPLOYMENTANDMAINTENANCEOFARMORINGEQUIPMENT,AMETHODFOROPTIMIZINGTHESTOCKSOFSPAREPARTSISPRESENTEDESTABLISHEDMULTILEVELSTOCKMODEL,ANALYZETHEINFLUENCEOFTURNOVER,APPLYING,ANDSCHEDULINGOFSPAREPARTSONPARTSSUPPORTANDTHERELATIONSBETWEENTHESPARETURNOVER,APPLYING,SCHEDULINGANDTHECOSTOFTHESPAREPARTS’STOCKTHESITUATIONOFEMPLOYMENTANDMAINTENANCEOFCERTAINARMORINGEQUIPMENTINONEYEARWASSIMULATEDBYANYLOGICRESULTSHOWSTHEMETHODISVALIDANDCANMEETTHEMAINTENANCEDEMANDWITHTHELOWESTPARTSSUPPORTDELAYTIMEANDMINIMALPARTSSUPPORTCOSTKEYWORDSARMORINGEQUIPMENT;EQUIPMENTSUPPORT;SPAREPART;STOCK;OPTIMIZING基于RCURDYN的牵引火炮动力学建模与仿真向飞飞,陈学军,孙华刚,楼红伟专业文档,值得下载专业文档,值得珍藏军械工程学院军械技术研究所,石家庄050003摘要为研究牵引火炮行驶安全性,针对目前内支撑轮胎实物试验危险系数高等问题,提出一种利用虚拟试验的方法来实现牵引火炮在行驶过程中爆胎。利用PRO/E建模软件建立了火炮的牵引模型,通过计算得到了模型中各部件的质量和转动惯量;运用RECUEDYN软件建立了火炮简化模型和路面模型,并通过仿真计算得到了火炮以不同速度牵引时发生爆胎后的运动状态,以及在行驶过程中发生爆胎后的侧偏位移曲线、侧偏加速度曲线和纵向加速度曲线。仿真结果表明在较大速度行驶时火炮轮胎发生爆胎,火炮有较大的侧向位移和纵向加速度。该研究为评价火炮在牵引过程中的安全性提供了理论依据。关键词多体动力学仿真;爆胎;安全性DYNAMICSMODELINGANDSIMULATIONOFTOWEDGUNDRIVINGBASEDONRECURDYNXIANGFEIFEI,CHENXUEJUN,SUNHUAGANG,LOUHONGWEIORDNANCETECHNOLOGYRESEARCHINSTITUTE,ORDNANCEENGINEERINGCOLLEGE,SHIJIAZHUANG050003,CHINAABSTRACTFORRESEARCHINGTHETOWEDGUNDRIVINGSAFETY,INTRODUCEAVIRTUALSIMULATIONMETHODTOSIMULATETIREBURSTINTOWEDGUNDRIVINGUSEPRO/ESOFTWARETOBUILTTHEMODELOFTOWEDGUNTRACTION,ACQUIREPARTQUALITYANDMOMENTOFINERTIAOFMODEBYCALCULATIONUSERECUEDYNSOFTWARETOESTABLISHSIMPLIFIEDGUNMODELANDROADSURFACEMODELTHROUGHSIMULATIONCALCULATION,ACQUIREMOTIONSTATE,LATERALDISPLACEMENTCURVE,LATERALACCELERATIONCURVEANDLONGITUDINALACCELERATIONCURVEWHENOCCURSTIREBURSTINDIFFERENTVELOCITYTHESIMULATIONRESULTSHOWSTHATWHENOCCURSTIREBURSTINHIGHVELOCITY,THEGUNHASLARGELATERALDISPLACEMENTANDHIGHLONGITUDINALACCELERATIONTHERESEARCHPROVIDESATHEORETICALBASISFORTHESAFETYEVALUATIONINGUNDRIVINGKEYWORDSMULTIBODYDYNAMICSSIMULATION;TIREBURST;SAFETY兵器装备精益制造数字化技术发展趋势及工程化应用宋琳1,陈娇21中国兵器工业的五八研究所投资管理处,四川绵阳621000;2总装重庆军代局驻绵阳地区军代室,四川绵阳621000摘要为了提高军工制造业的生命周期质量保障和网络化管理等方面的能力,对数字化技术的生产系统以及军工快速响应研制体系进行研究。基于数字化技术在先进制造技术的重要性及国内外数字化制造技术的研究现状,从数字化技术创新设计及工程化验证技术和数字设计/工艺/管理系统一体化集成平台技术2方面出发,对兵器装备精益制造数字化工程应用进行研究,并对数字化制造技术的工程化应用将要发展的技术方向进行了展望。该研究为从战略角度大力开展数字化制造技术的研究开发和应用提供了参考。关键词数字化技术;工程化应用WEAPONLEANMANUFACTURINGDIGITALTECHNOLOGYDEVELOPMENTTRENDANDENGINEERINGAPPLICATIONSONGLIN1,CHENJIAO21MANAGEMENTOFFICEOFINVESTMENT,NO58RESEARCHINSTITUTEOFCHINAORDNANCEINDUSTRIES,MIANYANG621000,CHINA;2PLAPRESENTATIONOFFICEINMIANYANGDISTRICT,PLAMILITARYREPRESENTATIONBUREAUOFGENERALEQUIPMENTHEADQUARTERSINCHONGQING,MIANYANG621000,CHINAABSTRACTFORIMPROVINGLIFECYCLEQUALITYSUPPORTANDNETWORKMANAGEMENTOFMILITARYMANUFACTURINGINDUSTRY,RESEARCHONDIGITALTECHNOLOGYMANUFACTURINGSYSTEMANDMILITARYMANUFACTURINGQUICKRESPONSESCIENTIFICRESEARCHSYSTEMBASEDONTHEIMPORTANCEOFDIGITALTECHNOLOGYINADVANCEDMANUFACTURINGTECHNOLOGYANDTHESERESEARCHSTATUSOFDIGITALMANUFACTURINGTECHNOLOGYATHOMEANDABROAD,FR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