HOAT O O N G KH-CN HE; THOHTG TV DOivG ON omH A P LMJC Ten cong trinh: He thong tu dgng dn dinh dp lyc Tac gia: Phgm Quang Thdnh Do"n v i : Tru&ng Cao ddng Nghe Ky thugt Cdng nghiep Viet Nam Giai thudng Sang tao KH-CN Nghf An 2011: Gidi Nhi I DAT VAN DE Hf thdng ty dpng dn dinh dp lyc la hf thong chiic ndng tao mpt dp lyc va dp lyc dd ludn phai giu khdng ddi mdt gidi han cho phep dilu kifn diu vdo hay phy tai thay doi cQng nhu cdc tdc ddng cua nhilu ylu to tu ben ngodi, hifn dupe sii dyng nhilu cupc sdng cung nhu san xuit Tuy nhien, qud trinh san xuat, luu lupng ciia cdc thiet bj sir dyng ludn thay ddi khien dp lyc cua hf thdng thay ddi, anh hudng den chat lucmg cung nhu ndng suat sdn pham Cdng trinh "He thdng tu dgng dn dinh dp luc" dupe trien khai thyc hifn nhim khac phuc vin de tren II NOI DUNG CONG TRINH Giai phap thuc hien Hf thong ty dn djnh dp lyc la hf thdng iing dung biln tan vd bd dilu khien PID dl dilu chinh tdc dp ddng ca khdng dong bd nhim dn djnh dp lyc tren dudng ong D I on dinh dp lyc, can cd mpt cdm biln dp suit dat dilm can dn djnh, cdm biln dp lyc se chuyin ddi tin hifu dp lyc thdnh tin hifu difn, ldm khau phdn hdi dua vl bp dieu khiln dp suit, bd dilu khiln dp suit Sd 3/2012 cdn cu vao gid trj dp suit ddt (dp suat mong muon) va gia trj thyc tl dupe phan hoi tir cam bien dk dua tin hifu dilu khiln cho biln tan, biln tan se thay doi tan so va difn dp vao dpng ca lam cho toe dp dpng ca thay ddi cho dp suat tren dudng ong dn djnh Su dyng bien tan de dieu chinh toe dp la phuang phdp tien tien, hifn dai, dieu khien theo nhieu dang nhu: dieu khien khdng cam biln, dieu khien vdng hd, dieu khien vdng kin, dieu khien vector tir trudng va dieu khien theo dac tinh Su dyng bp dieu khien sd tich hpp bp dieu khien PID lam cho qua trinh dilu khiln rit linh hoat vdi dp chinh xdc cao, hifu suit ldn Thilt bj cd chiic ndng truyen thdng cdng nghifp nen cd thi gidm sat hf thong thdng qua mang Vifc cdi tiln vl mat cdng nghf cung nhu thilt bj thay thi cac hf thong on djnh dp lyc diing dpng ca mdt chieu bang dpng ca khdng dong bp pha, thay thi hf thong dilu khiln nhilu bam, thay thi hf thong dilu khien bing van tilt luu, su dyng dpng ca khdng ddng bd lam dpng ca truyin ddng chinh se gidm dupe chi Hdn Quoc phi dau tu ban dau cung nhu chi phi bao dudng Danh gia ket qua thuc hifn * Gid tri khoa hgc Bp biln tan lam vifc theo nguyen tic thay doi tan sd (ciing vdi thay doi difn dp) nen ludn dam bdo mdmen khdi dpng du vupt tai ca d toe dp rat thap Trong dd, ddng difn dua vao ddng ca khdng tdng phdi hpp giua difn dp va tan sd de gill cho tir thdng du sinh mdmen Ddng khdi dpng ldn nhat ciia hf truyen ddng bien tan chi bang ddng dinh miic va cd the dieu chinh theo tdy chpn Chinh vi vay, khdng lam syt dp ludi khdi dpng, dam bao cac iing dyng khac khdng bj dnh hudng Do qua trinh khdi dpng dupe mem hod nen cac chi tilt ca ciia hf truyen dpng nhu bang tai, cdc khdp ndi, cdc vdng bi, d da hf thong se it bj mdi hay gay va Cdc chi tiet vdng dfm, cac ddng hd dp lyc, van mdt chilu hay luu lupng dat tren dudng ong dan se dupe ddm bdo tudi thp cao Vi vay, chi phi cho bao tri bdo duang hf thdng gidm ddng kl Hf sd cdng suit cos(j) ludn (Xem tiep trang 9) Thdng tin KH-CN Nghe An (7) HOAT * Gid tri khoa hoc Sdn pham cd tinh mdi, tinh ky thuat cao, khdc bift vdi cdc san phim tuang ty da dupe cdng bo, dupe dp dyng lan diu tien tgi Nghf An * Gid tri kinh te Theo tinh todn, dp dyng bp thi nghifm OP-AMP vao gidng dgy thi trudng se tilt kifm dupe: 22.320.000 ddng/ndm * Gid tri xd hgi Ket qua nghien cuu cd tdc dpng rit ldn den chat lupng va hifu qua vifc dao tgo nghe, giiip gido vien tilp can vdi phuang phdp dgy hpc tien tien tren thi gidi Cac module dupe H $ THOS^G TtJ nQNG KH-CN thilt kl khoa hpc giiip phat trien tu ky thugt vd tinh sang tgo cho hpc sinh sinh vien III KET LUAN Sdn pham "Bp thi nghifm OP-AMP" dupe Bp Lao dpng Thuang binh va Xa hpi t^ng Bdng khen "Dat giai Nhi tai Hpi thi Thilt bj dgy nghi ty lam todn quoc lan thu III ndm 2010"; Dupe Chii tich UBND tinh Nghf An tSng Bdng khen San pham da dupe dua vao giang dgy tai khoa Difn tii - Trudng Cao ding Nghi KTCN Vift Nam Han Quoc sau dupe nghifm thu 6/8/2010 Sau mpt ky hpc ling dyng bp thi nghifm OP-AMP vao giang dgy, bp thi nghifm da thi hifn dupe tinh tich cyc, hifu qua nen da dupe lanh dgo trudng, lanh dgo khoa ddnh gid cao va dupe dau tu dl nhan rpng Bp thi nghifm cd the iing dyng de giang dgy cdc trudng Dgi hpc, Cao ding, Trung cap va cdc CO sd dgy nghe./ (Tiip theo trang 7) dugc giu d 0,96 Dilu dam bao cho ludi difn cd hifu suat sii dung cao va gicu.i chi phi cho hf thdng bii cdng suat phdn khdng - Dam bdo che dp dieu khien lien tyc, phii hpp tuyft doi vdi ddi hdi cua cdng nghf ve luu lupng vd dp suit, lam tdng chit lupng cua qua trinh " - Tgo khd ndng ty ddng hod hf thong, nhd bd PID tich hpp sdn ben diing cho dilu khiln* vdng kin; cdng giao tilp vdi hf thong ty ddng hod RS485 cd sin tren bp biln tin tgo khd ndng ghep noi va dilu khiln hf truyin ddng tCr xa de dang - Sii dyng hf thong dieu chinh va on dinh dp lyc sii dyng biln tin thi tilt kifm dupe khoang tren 50% cdng suit tieu thy difn, gdp phan ddm bdo an ninh ndng lupng qudc gia, day Id van de buc xuc hifn * Gid tri xd hgi Ung dung dgy hgc: Lam gido cy tryc quan dk dgy hpc mdn hpc: Truyen dpng difn, Trang bj difn, Ly thuylt dilu khiln ty dpng, ludng vd Bdo vf le vdi 31 bdi hpc khdc nhau; Ldm gido cy tryc quan dk cdc gido vien tre khoa Difn cdng nghifp tim hilu vl thilt bj vd cdng nghf mdi viia cap nhgt dupe kien thiic, viia thuc diy dupe nilm ham me nghien curu khoa hpc Ung dung thuc ti sdn xudt cdng nghiep: Sd 3/2012 DONG Md hinh dl thilt kl va lap dat hf thong ty ddng dn djnh dp lyc nude cho nha may nude sgch va xii ly nude thai, he thdng cap nude cho nha cao tang va khu dan cu, khu dd thi; Md hinh de thiet ke va lap dgt hf thdng ty ddng dn djnh dp lyc dau cho may thuy lyc phuc vu cho cac may ep, may nen thuy lyc, hf thdng van thuy lyc, piton chap hanh; Md hinh dk thilt kl va lip dgt hf thdng ty dpng dn djnh dp lyc ga, khdng khi, dxy cho budng ddt cua cdc Id nung Id say; Md hinh md phdng cau tnic vd nguyen ly cac he thong dilu chinh vd tu ddng dn djnh thyc te nhu hf thdng dn djnh nhift dp, hf thdng dn dinh miic chat ldng, hf thdng on dinh luu lupng; Cai tiln cdng nghf vd tilt kifm ndng lupng cho hf thong dieu hda, hf thdng lam Ignh Phuang phap dieu khien thay thi cho dieu khien kieu On - Off dieu hda vd cdc kho Ignh, vi dpng ca khdng phdi khdi dpng nhilu iin nen tuoi thp cao han vd se tieu tdn it ndng lupng hom III KET LUAN Md hinh ndy da dupe ung dyng cdc nhd mdy cdng nghifp d khu vuc Nghf An, Ha TTnh nhu: Hf thong cip nude sgch ciia Nha mdy nude Nghi Xuan - Hd TTnh; Hf thdng on djnh dp luc hai nude cym cd dgc Nha may chi biln diia xuit khiu Nghf An./ Thdng tin KH-CN Ngh$ An (9)