Cong trinh khoa hpc THU THAP VA XU" LY SO LIEU CHO CHAN DOAN TINH TRANG DANH LUA CO GOP DONG CO DIEN KEO DAU MAY D14E TS NGUVfeN THfe TRUY$N Vifn NC Di^n tu- - Tin hgc - Tif dpng hda ThS NGUYfeN VAN N G H I A B0 mdn Kp tliu^t di^n Tru&ng Dgi hgc Giao thdng V^n tdi Tdm tat: Bdi bdo (rinh bdy ke( qud nghiin euu vi (hu (hgp va xu ly sd lieu chdn dodn (inh trgng ddnh lua c6 gdp cua dgng ca di^n kio (DCDK) Iren ddu mdy Diezel truyin dgng dien Phucmg phdp chdn dodn dua iren md hinh ddi chung va u&c lugng thdng sd bdng mgng naron RBF Ngi dung bdi bdo de xudt phuang phdp thu thgp sd lieu, xu ly sd li?u thd, xdy dung md hinh u&c lugng sir dyng mgng naron RBF vd tinh lodn sai sd u&c lugng vd sai sd chdn dodn Kit qud ihu dugc lit xie ly sd li^u lh{cc ti ciia ddu mdy D14E-2014 da ehung Id linh dung cua phuang phdp chdn dodn tren bdi lodn chdn dodn tinh trgng ddnh lira cd gdp DCDK Summary: This paper presents research results on data collection and data processing diagnostic status of the commutator spark level motors pull on diezel electric locomotive Diagnostic melhod based on the model and parameiers estimated by RBF neural networks The contents of the article proposed melhod of data collection, processing raw data, build models estimated using RBF neural networks and computing error estimates and error diagnosis The results obtained fPom processing measured data of locomotives DI4E-20I4 has confirm of diagnostic methods in diagnosing Ihe problem situation spark level of commutator I DAT VAN DE Phuong phap chan dofin dua tren md hinh ddi chung va khau udc lugng six dyng mpng noron RBF da dugc de xual [3] Ifi phii hgp vdi yeu cfiu chSn doan online tinh trpng danh lua cd gdp Nhdm nghien ciru tiep tuc chumg minh tinh diing vfi tfnh thyc tl cua phuong phfip bfing cac sd lieu thyc nghiem Tren ca sd mo hinh de xuat, tien hfinh xay dung thilt bi thiir nghiem de dpc cac thdng sd va xa.y dung mo hinh tinh toan cho bai loan uoc lugng thong sd UFN vfi bfii toan chSn doan mirc dp danh lita AUu Ddi tugng thi nghiem la DCDK tren d4u may D14E sd hieu 2014 hien dang dugc su dyng nganh Dudng sat Tap chi KHOA HQC GIAO THONG V ^ N TAI So 38 - 06/2012 23 Cong trinh khoa hpc IA Phuong phiip xiic ti\n\i difn dp tiep xiic d^ra tren u-6'c lugng UKN Tir cfic mdi quan hi; ve di§n vfi lir d^ng co [Ij va phuang phfip chan dofin dya tren md hinh ddi chimg [2], xfiy dyng dugc bilu Ihuc quan h? gi&a AU„ vfi cfic thong so chSn dofin: AU,, =U|.-I| (Rj_+K|,.K.„.w.n,.,) (!) Trong Un l| - Di^n np, ddng di$n d(ll Ifin d^ng co; Uj - r6c dp quay dgng co; AU,xTong sgt fip tiep xiic choi than; R^ - Tong ird d(iiig co (mpch phan urng + mpch kich lir ndi tiep); Kj, K,i, - Cac hflng sd nia\' di?n: w - so vdng day quan cugn kich tir noi liep D$i U,^ ^ , |l< +Kr_(I,.n).K,„(l,,n).w.n^] Khidd: AU,, = U|-U,fj (2) (3) Gifi Irj UFN c6 llie dugc xfic djnh Iheo \\- vfi n|- bfing mpng RBI-' nhu da ehirng minh [3] Cac so lipu can dugc ihu thpp la U| I| vfi np 1.2 Noi dung thuc hlfn Cfic lfic gifi da lien hanh xay dyng h? Ihu Ihpp so iiC'u cua DCDK Iren dau may DI4E va xu ly sd li?u, gom npi dung cdng vi?c chinlr Thu nhpn sd li?u: Cfic so lieu can Ihu thpp gom; - Toe dg quay ciia dgng co nr - Dien ap va ddng dicii dpng co Up, IFViec thu nhfin sd li?u duge thyc hien bang cfich gan cac cam bien tucmg irng va ghi Ipi sd lieu hopt ddng eiia dfiu mfiy cfic che dg hopt dgng khac Xfiy dung md hinh udc lugng di?n ap UF;N: Vi khoi lugng linh toan Idn nen so lieu Ihu thfip dugc se xu ly tren may tfnh de tpo md hinh udc lugng UKN Udc lugng gifi trj AU,x va danh gia ket qufi thu dugc II XAV DU'NG HE THU THAP SO LIEU PHUC Vy CHAN DOAN AU,^ 2.1 Do toe dgng CO' Vdi mgc dfch tdc dg quay ciia chi tilt quay, su dgng loai cfim biln phat xung (Encoder ECD) Cam biln cd dpng mgt dTa cd dye Id gan dong tryc vdi doi tirgng Mdl cam biln phat hi?n finh sang xuyen qua se cd tin hi?u' ON/OFF phii hgp vdi trang thfii vuj C-n qua hoac khdng xuyen qua cua dTa Can cir vfio tfin sd xung mfi dTa tpo ra, cd Ihl xac djnh dugc tan so quay ciia ddi tugng Tin hieu tir ECD dugc ghep ndi vdi bg vi xit ly thdng qua mpch ghep ndi Tfin so se dugc bang phuang phfip dim xung 24 Tap chl KHOA H O C G I A O T H O N G VAN T A I SO - / 2 Cong irinh khoa hpc Sir dung cam bi6n toe dp dugc lap san tren dau true ehii dgng dau may: Thong sd ky thuat chu yeu eiia ECD dugc thi hien tren bfing sau: Bdng Cdc thong so ky thugl chu yeu ciia cdm bien toe dg ddu mdy Thong so Gii tri So xung/vong 400 Dien ap nguon nuoi 15VDC Dong tieu tliu l