Tuyen tap bao cao khoa hgc Hdi nghi Khoa hgc ky thuat Do ludng toan qudc Un thfl IV Hd Ngi, 11 • 2005 THIET Bj KIEM TRA T l / DONG NGUdN DIEN HOA DAC BIET Sir DUNG KY THUAT VI x Q LY Do Vdn Lap, Nguyin Thanh Hiing, Nguyen San Hdi, Le Viet Hoan Vien Ten Ida, Trung tdm KHKT - CN Qudn sif Tdm tdt: Kiem ti a ngudn dien hod ddc biet (DHDB) dimg tdi qudn sif Id rd't cdn thie't, gdp phdu ddm hdo tinh sdn sdng chie'n dd'u cao ctia cdc tdi qudn stf cd su dung nguon dieu ndy vi vdy diie't hi kiem tra phdi difffc tif ddiig hod de ddm hdo tinh chinh xdc vd hien qud viec dm thdp vd ddnh gid cdt tham sd'i tta ngudn dien Tren cff sd phdn tich ddc tinh vd cdc tham so cdu kiem tra liia ngudn DHDB, bdo cdo triiili hdy mgt sd gidi phdp thie't ke che tgo diie't bi kiem tra tif ddng ngudn DHDB ifng dung ky thudt Vi xi'f Iy ke't hgi) ghep nd'i mdy tinh di thu thdp vd lifu gli'f lieu Thie't bi cd khd udng kieni tra ddc tinh ddng vd ddnh gid chd't lifang t ua ngudn DHDB dem Igi i hinh \dc vd hieu qua cao Abstract: Testing Special chemital elictn'c power (SCEP), which is applied in military equipment is very net es.sary to help ensuring that they are ready for t onihat so the testing device must to he automated to eusuie the accuracy and effect in the question, whiih collect and asse.ss power's parameter Ou basis of property analytic and pai amelers need to le.st of SCEP, the report presents some soluUou to design and make SCEP automatic testing device apply microcontroler technical and comhiue computei to colect and save data The device can test dynamic property and assess quality of SCEP, bring about accuracy and high effect I DAT VAN DE Ngudn difin hda dac bifit (NDHDB) la loai ngudn bifi'n hda nang Ihanh difin nang thdng qua phan flng hda hgc cd kfch thich Loai ngudn ihudng sfl dung trfin cac thiet bi bay qudn su va cd vai Ird dac biet Irong vific cd'p ngudn cho hfi didu khidn thie'i bi bay dfi'n dfch Trong qua trinh bao quan khf tai, vific kiem tra cac thdng sd cua chung Iheo dinh ky nhdm ddnh gia trang ihdi san sang cua ca ihie'l bi la rd't cdn thifi't Trudc day ta da cd Ihifi't bi phuc vu cho vific kidm tra loai ngudn difin nhung dd la nhflng thifi't bj Ihao tac bdng tay va cac Ihdng sd thu dugc phai quan sal bdng mdt Ihudng, luu gifl du lieu thdng qua ghi chep, didu dd d5n dfi'n mot so han che nhu: dd chfnh xac cua cac sd lieu thu dugc la khdng cao sd lifiu cd thd bi md't mdt sd qua trinh xay tuong ddi nhanh khie'n ta khdng kip ghi lai Viec thao tdc bdng tay la khdng dap ung td'i cdc yeu cdu vd thdi gian viec kifim tra nha san xuat dua Do vay viec tu ddng hda qud irinh kidm tra, luu gifl dfl lieu CLia qua trinh la difiu bet sflc can thifi't 849 Ngay vdi su phat trien manh me cua ky thuat vi xu ly vd vdi nbijiig bifiu qua vugt trdi ma chung mang lai cac ITnh vuc ludng va didu khidn nfin nhdm tac gia da chgn giai phap sfl dung vi xfl ly vific hien dai hod thiet bi kidm tra ngudn dien hda dac bifit Trong thie't bj da cai lifin vi xfl ly se cd vai trd tir ddng dicu khien ta't ca cac qua Irinh ma tRfdc day phai thao tac Ihii cdng nhu: ddng ngdt cho cdc van, cac ro le difiu khidn va ro le thu thap dfl lifiu, ben canh dd vi xfl ly ciing dam nhdn vai trd thu thap, xfl ly dfl lifiu dugc thdng qua bd bifi'n ddi tuong tu - sd "ADC0809" bit va ghep ndi may tfnh dd ve dd ihj va luu gifl dfl lieu mdi each hodn loan tu dgng II GI61 THIEU -'NGUON DIEN HOA DAC BIET" Ngudn difin hda dac bict dugc kidm Ira d ddy la loai pin d'ng Nga chfi' tao Loai pin d'ng 318 cd: - Difin ap: 27!^ ^ V , sai sd ± 0,5V - Ddng djnh mflc: I lOA tai 2?!', ^ V - Thdi gian kifim tra : 110s Loai pin d'ng B25 cd: -Difin dp: ' ' „ V sai s d ± 0,5 V - Ddng dicn: lai + R, = 5,7n;I, =0,5A + R , = I Q ; L = 1,8A + R, = 6,70; I, = 4,2A - Thdi gian kifim ira: 620s Chung chi dugc kfch boat cd lenh Thie't bj kidm tra tu ddng phai dam bao dap flng dflgc ddy du quy trinh kidm tra ddi vdi loai ngudn dien trfin nha san xuat dua III GlAl P H A P THIET KE, CHE TAO THIET BI 3.1 Thiet ke qui trinh kiem tra Kiem tra pin dug BIH: - Cap khf: Tlidi gian cap < 7s; dp sud't 11± latm - Khi tri sd difin ap dat 27^^ ^; ddng ro le phdng dd ngudn dien phdng dien, ghi va ve dd thi va hidn Ihi cac tham sd dien ap (hoac ddng difin) tai cac thdi didm 7s, 20s, 30s, 40s, SOsva 100s - Ve, luu giu dd thi va sd lifiu ciia qua trinh kifi'm tra bdng may tfnh PC Kiem tra pin d'ng B25: - Cap khf: Thdi gian cd'p < 7s, dp suat l±latm • Ki^m tra dicn i p tren tai dien i p cua pin d'ng > 27V theo bang dudi day Thdt gian phongts) Dong phong dinh rnOlciA) Dien ap phdng (V) +.100 0,.^ 100 + 392 27:;., 27" 192 T 600 l.S 600 - 620 4,2 27:;., 27:;., - Luu dd thi va cac sd lieu dien ap, ddng dien tai cdc ihdi didm: 7s, 300s, 392s, 600s va 692s - Thifi't bi sau thifi't kfi'che'tao phai lam vific dugc d che'dd + Chfi' dd kie'm tra tu ddng bdng may tfnh + Che' dd kidm tra bdng tay - Cd'p chfnh xac: + Sai so dien ap ±0,5V + Sai sd ddng dien ±0,5A 3.2 Thiet ke he thdng - Vd'n de tdi: caC dac tfnh phdng cua hai loai ngudn tren dugc kiem tra tren tai dinh mflc tuong flng, vi vdy vific tfnh toan, ihie'l kfi', chfi' t H R«le I H Ri'if2 dai ddng H Rale | Khdi ngufin 220Vx50l!z -oV Hinh S(» dd khdi chfle nang mach dinh thdi chuyen diii tai dien trd 3.3 Thiet ke phan m^m Vdi phan cflng dugc ihici kfi' nhu da trinh bay ta cd the kifim tra dugc nhidu loai ngudn khac vdi hai kfinh ddng va dp, vdi mdi loai ngudn khac cd nidi qui trinh kidm Ira khac nhau, la giai quyet van di dd bdng each thay ddi phdn mfim mdi loai ngudn ta cd mdt chuong trinh phdn mfim rifing Vdi quy trinh kifim loai ngudn B18 va B25 nhu da gidi thifiu d trfin nhdm tac gia da thie'i ke'phdn mfim kic'in ira vdi km dd thuat loan nhu sau: 3.3.I.Loidni;udnBhS I Chon kenh f Starl ) >f Yes Hicn Ihi dien ip iirimg I'mg Ngimg n«p HiQn Ihl dicn ap iirmig liiigVs >' N O X K I C J H rii ciii \ Hinhl Luu dd thuat loan chuong trinh kiem Ira ddng, ap cua B18 3.3 Logi ngudn B25 Hinh2 Luu dd thuat toan chuong trinh kiem Ira don;;, dp cua 1}25 IV KET LUAN Nhung giai phap trinh bay tren ddy la pbii hgp vdi xu hirdng phat tridn cua khoa hgc cdng nghfi hifin dai Nd da giai quyet dugc td't ca cac han chfi' ma loai ihifi't bi cu tnrdc day giip phai Vl vay iheo nhdm uic gui day la mgi gidi phap hgp ly va cd ifnh hifiu qua cao, va day cung la giai phap vice Ihie't kfi cac thifii bi nhifiu flng dung khac ddng thdi giiip chiing la c;ii tifi'n thici bi cii de' cluing dap i'mg dugc nhi~mg chuan cao hon ludng Do thifii bj dugc che tao vdi mdi giai phdp hgp ly nfin da cho mdt kei qua boat dgng Idt, thiei bj da chay chinh thuc de kiem tra hai loai ngudn nhu da trinh bay d tren vdi su giam sat cua cac chuyen gia nudc ngoai va da Ihu dugc mdi kfii qua lot vdi dp chfnh xac va hifiu qua cao Tdi lieu tham khdo: [IJ Ngd Dicn Tap Do lifang vd dieu khien hdng may tinh Nhd \ud't hdn khoa hgc kv Hd Ndi 1999 [2} Mil rocontionllei with 4K Byte Memory Flash ATH9C51 ATMliL ... thuat vi xu ly vd vdi nbijiig bifiu qua vugt trdi ma chung mang lai cac ITnh vuc ludng va didu khidn nfin nhdm tac gia da chgn giai phap sfl dung vi xfl ly vific hien dai hod thiet bi kidm tra. .. tfnh phdng cua hai loai ngudn tren dugc kiem tra tren tai dinh mflc tuong flng, vi vdy vific tfnh toan, ihie''l kfi'', chfi'' t