ZhongyuanUniversityofTechnology毕业设计(论文)题目名称:电子系统故障自修复研究院系名称:理学院班级:物理091学号:200900124103学生姓名:冯彩丽指导教师:邢琳2013年6月---本文来源于网络,仅供参考,勿照抄,如有侵权请联系删除---论文编号:200900124103电子系统故障自修复研究ResearchontheSelf-repairingofElectronicSystemFault院系名称:理学院班级:物理091学号:200900124103学生姓名:冯彩丽指导教师:邢琳2013年6H---本文来源于网络,仅供参考,勿照抄,如有侵权请联系删除---摘要H前,电子系统正朝着结构复杂化、高度集成化发展,仪器设备的控制部分通常包含复杂的电子系统,越來越多的电子设备在航空、卫星等高科技中得到广泛应用,而电子系统极易受到电磁环境的干扰,在恶劣的电磁环境下损坏.因此,电子系统故障自修复的研究对现代科技的发展具有重要的意义.本文首先简要回顾了自修复研究的发展过程及研究现状,介绍了电子系统的特点和分类,分析了电子系统故障原因和过程•阐述了FPGA及其应用发展,在此基础丄,文章介绍了基于FPGA动态可重构技术的原理和应用,同时展望了FPGA动态可重构技术的发展前景,基于FPGA的重构系统具有自适应、自主修复特性,在空间应用中具有非常重要的作用.然后重点介绍了演化硬件的原理及应用.演化硬件通过演化的方式实现电路功能,可看作是演化算法和可编程逻辑器件的有机结合,演化硬件通过演化算法可实现自身结构重构,使系统具有自适应性、自组织、自修复特性.基于演化硬件这些特性,总结了两种自修复的方法:电子系统局部自修复方法和非线性自修复控制方法,并展望了电子系统故障自修复技术的应用前景.关键词:电子系统,FPGA,可重构技术,演化硬件,H修复---本文来源于网络,仅供参考,勿照抄,如有侵权请联系删除---AbstractAtpresent,electronicsystemisdevelopingtowardthecomplicationofstructure,highlyintegrated.Equipmentcontrolsectionusuallycontaincomplexelectronicsystems,moreandmoreelectronicequipmentiswidelyusedinaviation,satelliteandotherhigh-tech,andelectronicsystemsarehighlysusceptibletotheinterferenceofelectromagneticenvironment,anddamagedinbadelectromagneticenvironment.Therefore,theresearchonself-healingofelectronicsystemfaulthasthevitalsignificancetothedevelopmentofmodernscienceandtechnology.Thispaperfirstbrieflyreviewsthedevelopmentoftheself-healingresearchprocessandthelatestprogressinthearea,andintroducesthecharacteristicsandclassificationofelectronicsystem,andelectronicsystemfailurecauseandprocesswereanalyzed.FPGAisexpoundedindetail,andonthisbasis,thepaperintroducesthetheoryandapplicationofFPGAdynamicreconfigurationtechnology,atthesametime,prospectsthedevelopmentprospectofdynamicreconfigurableFPGAtechnology.ReconfigurationsystembasedonFPGAisself-adaptiveandself-repairing,andplaysanimportantroleinspaceapplications.ThetaxonomyforFPGAreconfigurationanddynamicreconfigurationtechnologyisintroducedinthispape匚Thendiscusstheprincipleofevolvablehardwareandapplications.EHWrealizesthefunctionofcircuitbymeansofevolution.EHWcanbeviewedasthecombinationbetweenevolutionaryalgorithmandprogrammablelogicdevice.EHWcanrealizeself-reconfigurationthroughevolutionaryalgorithmtoenablethesystemtobeadaptive,self-organizingandself-repairing.Basedonthecharacteristics,Summarizestwowaysofself-healing,oneisanalysisandsimulationofself-repairedcontrolmethod,andtheotheristhemethodofelectronicsystempartself-repairing,andproposethedevelopmentprospectsofelectronicsystemself-repairingtechnologyaswell.Keywords:electronicsystem,FPGA,reconfigurationtechnology,EHW,self-repairing---本文来源于网络,仅供参考,勿照抄,如有侵权请联系删...