NGHIEN CUU-TRAOOOl
' XAY DyNG BO OlEU KHIEN MAY IN KY THUAT S 6 DA NANG
BUILDING THE CONTROLLER FOR THE MULTIFUNCTION DIGITAL PRINTER
KS. Phan Huynh Lam, KS. Le Thanh Son, KS. P h a m Van Duy, PGS,TS. N g u y i n Thanh Nam Phong Thi nghiem Trong diem Dieu khien so va Ky thuat He thong, Trtidng Dai hoc Bach khoa,
Dai hoc Quoc gia TR Ho Chi Minh
TOM TAT
Hien nay, mdy in ky thuat so khd pho hien vd co nhieu i(ng dttng trong quang cdo; Mot so hang Idn nhu HP, Epson con phdt trien dong mdy in phang, hoac in tru tron dung de in len cdc he mat cUng nhugd, thuy tinh, mica... Nam hat cdngnghe in phang vd in trii, chung toi ket hop tren cung mot khung cd khi de CO the in nhieu che do vd deldm dudcdieu do, chung toi da xay dttng bg dieu khien rieng (phan ciing vd phan mem) deed the in theo che do tiiy chgn.
Tii khoa: Printers, CNC, Cypress...
Today, digital prmters are quite popular and having many applications in advertising. Some big firms such as HP, Epson have developed a flat printer type or cylindrical printing to print on hard surfaces such as wood, glass, mica... Catching flat and cylindrical printing technology, we combine both of them on the same mechanical frame to be able to print multiple modes, and in order to do that, we have built a specific control unit (hard ware and software), that alows vairious options to print.
KejTvords: Printers, CNC, cypress...
TAP CHf CO KHi VIET NAM, S6 7 nam 2014
" n n.cokhivietnam.Mi
NGHIEN C U T U - T R A O D O I
1. G i d l THifiU
TrUdc nhu cau in an phat trien rat nhanh trong nhieu nam gan day, cac hang san xuat may in Idn thUdng nghien cUu va tich hop nhijfng cai tien mdi cua bg vao cac ddng may in mdi. Cung tuong tu nhu vay, Viet Nam la mot dat nude dang tren da phat trien nen nhu cau in an la rat Idn va da dang. Nam bat dUOc tiem nang nay trong nganh ki thuat in an, chung tdi da phat trien mot san pham may in Viet bang each ket hgp cac eg cau in khac nhau tren cung mot khung ca khi de CO the in nhieu che do, chung tdi cung da xay dUng bd di^u khien (phan cdng va phan mem rieng) [ 11 de cd the in theo che do tuy chgn.
- May tinh cd phan mem dgc anh va truyen qua USB bang nen tang Visual Studio C vdi thu vien OpenCV.
- Mach dien se giao tiep chuan USB 2.0 va xuat cac tin hieu xung dieu khien vao cac driver dgng CO nhu yeu cau td phan mem.
- Mach ddng lUc dieu khien cac dgng cO budc theo che dd vi bude bJng hai mach cau H [4].
2.2. Thiet ke phan mach dien dieu khien - Phan mach dien dUoc thiet ke de ngUdi dung cd the d§ dang dieu khien may in d nhieu che dd va can chinh vat mSu do dd nhdm thiet ke phan mach dien nhU tren binh 3.
Hinh 1: Mdy in ky thuat so da ndng
Trong may in da nang nay, bd dieu khien se giup phdi hop chuyen ddng cua cac true [2j:
True trUOt ngang, true tinh tien, true xoay tru va dau phun.
2. X A Y Dl/NG B O D I E U KHIEN 2.1. So do he thdng
- He thdng dieu khien gom:
+ May tinh;
-I- Mach dien dieu khien cac true va dau phun;
+ Mach ddng lUe chay cac ddng ca.
- Ta cd the xem bd tri be thdng nhU sau:
Hinh 3: Sd do thiet keloi he thdng
2.3. Phan mem dieu khien tU may tinh - Phan mem dieu khien bao gdm: hien thi anh, chgn cac che do va truyen dd lieu dieu khien.
Hinh 2: Bo tri hi thong dieu khien [3] Hinh 3. Giao dicn phan nicni dieu khien
TAP CHI CO KHI VIET NAM. Sd 7 nam 2014 www.cukhivielnam.\ n
NGHIEN CUfU-TRAODOl
[i^ COM/USB
<J) I •Q' (f> Di ctnyla
cac tnicTniyrai dvUea
Muffle
Hinh 4: Chile ndng phan mem dieu khien
3. KET LUAN
Bai bao gidi thieu giai phap xay dung bo dieu khien may in ky thuat s6 va cac thanh phan cila may Diem dac biet cua he thong may in la co cau in da nang phang va tru, trong do phan mach dien va phan mem dieu khien duoc nhom nghien ciJu phat trien nen de dang tich h a p in tren nhieu kich c8 va hinh dang khac nhau. Trong hucmg phat trien sap t6i, nhom nghien cUu se ijng dung vao cac canh tay robot de tang kha nang in tren vatthe bat ky.<*
Ngay nhan bai: 17/6/2014 Ngay phan bien: 19/7/2014
Tai lieu tham khao:
[1]. Advanced Process Manager Control Functions and Algorithms, © Copyright 2002 and 2003 by Honeywell Inc, Revision 05 - December 5, 2003.
[2]. Mario Rotea and Carlos Lana, A Robust Estimation Algorithm for Printer Modeling, American Control Conference, 2004, proceedings of the 2004 (Volume 3).
[3]. Anthony J. Lima {Bristol, RI, US), Christopher M. Whittier (West Warwick, RI, US), Idle Color Separation Algorithm, 20120229863, United States Patent Application.
[4]. Sachin Gupta, Developing highly-integrated thermal printer-based applications. Applications Engineer Sr, Cypress Semiconductor Corp.
TAP CHI CO KHi VIET NAM, So 7 nam 2014 www.cokhivietnam.vn