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1、西北工业大学博士学位论文分布式飞行仿真技术研究姓名:伍智锋申请学位级别:博士专业:飞行器设计指导教师:唐硕20030501西北工业大学博士学位论文作为仿真技术与网络技术相结合的产物,分布式仿真技术已经成为目前实现大型复杂系统仿真的主要技术途径之一。本文研制的DFSE系统是根据飞行器系统细粒度仿真的具体需要来设计完成的一套比较完整的分布式飞行仿真通用平台,它在飞行器系统论证、设计与仿真实验等方面以及相关领域中都有着广阔的应用前景。关键词:飞行仿真;分布式仿真;分布式飞行仿真环境;计算机网络;逻辑共享内存;客户/服务器模式;
2、中间件技术;分层设计原理:面向对象ABSTRACTBasedontheflightsimulation,distributedcomputationandvisualizationtechnologies,thisthesisdesignsanddevelopsadistributedsimulationsystemcalledDistributedFlightSimulationEnvironment(DFSE),andinvestigatesthetheoriesandtechnologiesinvolvedinth
3、eprocedureofdevisingitsapplicationsubsystem,distributedinfrastructurekernelsubsystemandinteractiveinterface.Asageneral-purposedistributedsystem,DFSEissuitedtotheflightsimulationwithfinegranularitymodelsofanaerospacevehicle,suchasamissile,arocketoraspacestation,an
4、dsoon.Benefitedfromthepopularmodeofclient/server,middle-waretechnologyandlayered-designtheoryindistributedsystems,DFSEisdevelopedbyadoptingtheobject-orientedsoftwaredesignmethodaccordingtothebasicrequirementsandcharacteristicsofflightsimulation.DFSErealizedthesep
5、arationofthesimulationsystemfromthecomputernetworksystem,theapplication-layersubsystemfromthekernelinfrastructuresubsystem,simulationtaskmodelsfromthesimulationsoftwaresystem,andsimulationalgorithmsfromtherealizationofsimulationmodels.Asaresult,DFSEhasmanyexcelle
6、ntcharacteristics,suchasthecapabilityofplatform-independence,reusability,reliability,portabilityandscalability.Themaincontributionsofthisthesisaresummarizedasfollows:1.Afteranalyzingdeeplyanddigestingthedistributedprocessingandflightsimulationtechnologiesembedded
7、inourdevelopedprojects,thethesispresentsaschemeofrealizingdataexchangebythemechanismofsharedmemoryinadistributedflightsimulationsystembasedonthecharacteristicsofsimulationmodelsofthetargetsystem.2.Thethesisconstructsakindofdistributedarchitectureandsoftwareenviro
8、nmentoftheflightsimulationapplicationsystemcalledDFSE.Accordingtothecharacteristicsandrequirementsofaflightsimulationsystem,thelayeredarchitectureofDFSEisestab