Research Of BIT Technology For Aero-engine Digital Controller And Integrated System Of Avionics

As one of＊the key tee加ologies in叫呷vng the reft咖fibes ofdi①d systems,BITteclinofogy＊＊en an unpotw res网血砧4m aero－叫皿＊aiomcs indw norder to orove the reliabilities of igind controller for aern－eDgin and nteped pofor avlomcs,Ms ppo cOIDpreh。ely StUdied the BIT ie曲ology ofthem．朋er that,fault illjection methods were studed for evaluating he al deteCon ae of he aoveBIT system objectively he main jobs re as followl．ComPmPrd比nsively anal吓叨the历t conditions ofdlgltal colltfoller for aero－engine and llltegfaegfaed wstem for aviomcs ndnd e眈山lided the负山t moMls of山em．2．刀叱BB an山mehc for山ed川ye历t moMls is pu注fonvarQ for the丘Gttillle in the Bdd ofaeronautic 6ddh ChnChna and is redlied hoe red ptoeCt．By means of兔dt injection exPenlnnts for he BIT systems based on he above BIT aithmtic such as he sunulator勋 aviomcs ndnd山 i960 aviomcs的的 processing umt,山e ntegrativlty genndity igh efficieny of＊theeny dbove BIT arithmetic hay been shown．3．he falt illjcction technology ws studieu nd wo ldnds of advancea falt pection methods wer Put forward creatiVly:he al injection methd based on hi刁切比doninid以出旧－sw扣力 ndh山艺 Wecdon methodb0叨 on bacbac止刁bvmg technology he onner can po Anlrscalefislllt peCtion mds as well as sd田 isolation nd hi:Iner illteri3ce,it fully illtegrates he virtlles of e stlllllar methods before ndnd overcomes the加吨es ofthem；he lattCr Is plhrwarbr冰价幻 time by tills ppe1t can pect历dis convemenoy i山out叨dmp历山t Illjechon inwe．4．刀b忡 alotofexPeflmentS,he朋诈 II'llltS forthe back刁hVng falt坷ection cllnellt nd ime for CMOS nd Th circuits wer found．5,F删lt i刃ector血叨 on he ahoyabove m咸切ds is d创d呷d,nd delli邮 iC幻d叫er willch includes the fault illjector, two BIT systems and p contrOl coper Is eeveope．6．Fault lrpection expeflments were conducted by means of Intelllgen test adapte。he res山is劝owed山e珐山t peclion me山o拈 re COmprehensive,gCned and oexiMe．7,刀叱 Smart BStechnology wss扣山＊山eoretically n ordorder to overcome山e Msc lann ofconunon BIT techllology．he reasons forMsc alann were助dWed,the BIT report nder he interfernce of environmen atrs was silxilllated,nd he Smart BIT ws realized ithN阴 inds ofneuraluraln印啊他．8．De洲山or pt Drwanl an ame！icn山ye leanung an山m切c hrARTZ neuralural ne 出 m皿血 o pve W ch田oCMon pfCcision．linsm此s SD13tt Bn he加o！ogy aPProaches engmeenng PraCice further.