KHOA HOC VACONG NGHE MO BAI TOAN DIEU KHIEN CHINH XAC Vj TRI, UNO DUNG TRONG CONG NGHIEP TS NGUYEN DL/C KHOAT, KS NGUYEN THANH UGH Trw&ng Dai hgc M6-Dja Chat ien n h i l u nganh cdng nghiep d Viet Nam dang sir dung cac day c h u y i n cu nhap k h i u cua n u d c ngoai Dae diem ciia cac day c h u y i n la cdng nghe lac hau, tai lieu ky thuat t h i t thoat dan tdi viec van hanh sira chifa gap nhieu khd khan Tii' thue trang hien tai ciia san xuat hien la cac may eat bao bi hoat ddng khdng cdn chinh xac, gay ton that chi phi kinh doanh Theo yeu cau ciia thuc te san x u i t , d l tai d u g c t i l n hanh nham nghien cuu va xay dung bai toan dieu khien chinh xac vi tri t u dd xay dung md hinh thuc nghiem phdng thi nghiem H hanh b I n g tay d l phuc vu cho qua trinh hieu chinh, thir nghiem day c h u y i n [1] •:• D i l u k h i l n , d i l u chinh: PLC S7-200, k i t hgp vdi mgt md dun m d rdng Analog Output eiing thuat toan d i l u k h i l n [2] |/K tren dd thi) cho thiet bi bdm Airiift NghTa la irng vdi diem cd hieu suat cUc dai se cd gia trj cUe tieu ciia he sd cap yeu cau vj/K^m TUdng irng vdi cac sd lieu da dUa vao tinh toan cho he thdng bdm Airiift nay, ta nhan dUde: DR,.^=530 mm, nmax=28,6%; v|;K,™n=15 Ket luan •:• PhUdng phap tinh toan he thdng thiet bj bdm Airiift d tren cho phep lUa chgn dUde dudng kinh dng din van chuyen chat ran phii hdp de khai thae khoang san d sau dudi nude; •:• Cdng thirc (16) va dd thi hinh eho phep xac djnh lUdng cap yeu d u phii hdp vdi lUdng hat ran can phai van chuyen he thdng thiet bj bdm Airiift; •:• Cdng thirc (18) va dd thi hinh se xac djnh dUde hieu sua't can thiet va cUe dai ciia he thdng bdm Airiift diing de khai thae va van chuyen khoang san d dudi day bien hoac d dp sau dudi nude nao dd.D TAI LIEU THAM KHAO Nguyen Dire Sudng, Vu Nam Ngan Giao BAI TOAN DIEU KHIEN (Tiep theo trang 11) Ket luan Tren ca sd nghien ciru, tinh toan ly thuyet va xay dung md hinh thuc nghiem nhdm tae gia da thu duge kit qua tit, dugc kilm tra qua chay thuc t l tren md hinh thuc nghiem Dua tren phin mIm Protool V6.0 cua hang Siemens, mgt giao dien giam sat va van hanh cung da dugc xay dung (hinh H.3) giiip eho qua trinh thao tac van hanh dugc thuan tien Vdi cac kit qua dat dugc nay, nhdm tac gia tilp tuc phat triln d l eho phii hgp vdi mdi trudng san xuit cua nganh cdng nghiep gily, thay t h i cho cac bd dilu khiln khdng cdn chinh xac.O trinh May thiiy Trudng Dai hoe Md-Dia chat Ha Ndi 2001 Gerd Grabow Hydro-pneumatischer und hydrauliseher Festoffransport in vertikalen Rohrieitungen Neue Bergbautechnik 11 Jg Heft 1981.447-452 Vergleicch hydropneumatischer und hydrauliseher Forderverfahren zur Gewinnung von Kies-sand-Gemisehen Neue Bergbautechnik 15 Jg Heft 12 1985.471-475 Meerestechnik Einsatz des Airiift-Verfahrens und der hydraulischen Forderung mit Kreiselpumpen auf der Grundlage von Ahnlichkeitszahlen Seewirtschaft, Beriin 19, 1987 Ngudi bien tap: Dao Dae Tao SUMMARY The paper introduces some study results using three phase streamline in the airlift pumping method to transport the solid materials in the deep under water SUMMARY The article will presentresearchresultson theory in a problem on accurate position control Therefore, the algorithm on position control and experimental models in the laboratory are develoiDed The experimental model is developed based on Ijasic components of a control system which includes: a Human Machine Interface HMI (Protool V6.0), a PLC S7-200, and the bad drive system KHAI THAC DA XAY DUNG (Tiep theo trang 31) Ngudi bien tap: Ho Sy Giao TAI LIEU THAM KHAO Hoang Minh San Ca sd he thing dilu khiln qua trinh Nha xuit ban Bach khoa Ha Ndi 2006 Hoang Minh San Mang truyin thdng cdng nghiep Nha xuit ban Khoa hoe va Ky thuat Ha Ngi 2001 Nguyen Doan Phudc Ly thuylt dilu khiln tuyIn tinh Nha xuit ban khoa hoe va ky thuat Ha Ngi 2007 SUMMARY Binh Duong province locates In the important economy zone in the North part of Vietnam This province has riche natural resources Out put of the construction stone in the 2009 year is 14,020,000 m l The paper shows the state of the construction stone exploitation and some solutions for development of this national industry branch Ngudi bien tap: Dao Dae Tao CONG NGHIEP MO SO - % ...KHOA HOC VACONG NGHE MO Trong dd: v - Van tdc dai ciia bang tai bao bi; oo Tdc gde eua tang (true cdng tac); R - Ban kinh... (3)suyra 2''n''n c I- v = - T ^ — ^ R , m/phiit (6) 60.i Vay: 2TT.n ''^^ At m AS = v.At = (7) 60.i Trong dd: R, i - Thdng sd da bilt trudc dua vao thilt ke ca khi; n^c - Tham sd dat tren giao dien