"dien toan dam may" de truy xua't dii Heu va chia se thong tin. Tuy nhien, cong nghe hen kit "dien toan dam may" la kha moi me trong Hnh vuc san xua't va cong nghe chi tao robot. Nhung chac chan trong tuong lai, no se dugc nhan rgng trong h i u het cac linh vuc san xuat tu dgng bang robot".
D o a n t o a n " d a m m a y "
Khi dugc iing dung vao cac he thong kiem soat kho thong tin, robot palletize, he thong xu ly san pham trong kho va cac trung tam phan phoi, cong nghe dien toan dam may da cai thien dang ke hieu suat cho day chuyen san xuat tai cic nha may, xi nghiep. Ong LeSelle noi: "Dien toan dam may sii dung kho thong tin lam khu vuc quan ly thong tin trong cac dam may va bo sung tinh nang tu dgng cho robot thong minh. No hoat dgng nhu mgt phuong tien dieu hoa nhiing "du kien" trong thi gioi ky thuat so. No thu thap toan bg co so dii heu ton tai trong the gioi vat ly.
No cho phep cac giac quan dau vao trien khai cac gia tri hgi tu bo sung.
Nho do, no giiip robot kiem soat, phan loai va xu ly san pham chinh xac tai nhung khu vuc mo rgng".
Ngoai ra, cong nghe dien toan dam may trong robotizing con cho phep nguoi dimg cuoi dugc huong Igi tii cac hoat dgng cua robot lap trinh va robot tu do. No ho trg robot tang kha nang dinh vi, lua chgn va dat san pham vao cac bao bi theo diing trgng lugng va kich thuac. Boi le do, cong nghe nay dang dugc cac nha che tao nghien cuu de nguoi diing day dugc robot dua tren robot- izing ma khong can lap trinh. LaSelle noi: "Nhom chiing toi dang nghien cuu va thiet ke mgt so giao dien moi b6 sung cho he dieu khien va giao dien truyen thong tren mat day hgc, de robot nhan biet va hgc theo cac cu chi cua con nguoi". Tang kha nang hgp nhat dieu khien voi Cloud Ahead cho robot de bao ve lot ich cho cac nha dau tu va nang cao hieu suat hoat dgng ciia robot cong nghiep, do la ly do cac nha nghien cuu va che tao robot quan tam nhieu toi cong nghe robotizing. •
LAN ANH (Theo automationworld.com)
60
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e giai quyet van de nay, cac nha san xuat da sir dung cap phang linh hoat (FFC - Flexible Flat Cable) thay the he thong day dien an toan. Cac nha khoa hgc Vien Manufacturing Automation and Production System ciia Dai hoc Friedrich-Alexander, Erlangen- Nuremberg, Dire da phat trien mgt he thong xii ly va lap rap tu dgng nguyen mau FFCs dua tren phuong phap xoay dinh goc. He thong nay su dung robot Cartesian de kep chat FFC da loi vao module 3D nhu mgt bang dieu khiln cua, va giii chat chiing voi keo han nhiet hay moi han laser.Theo cac nha nghien cun Vien Manufacturing Automation and Production System cho biet, vi FFC chi truy cap dugc mgt phia khi dinh vit dinh vi, nen chiing toi da thiet ke phuong tien ket noi cap voi cac thiet bi dien tii nhu coi xe, va cac thanh phan host nhu bang dieu khien ciia trong he thong xii ly va lap rap tu dgng tu dgng nguyen mau FFC. No la thanh phan quan trgng trong he thong. No CO the truy cap bo sung vao cac he thong each dien va tang tinh nang "tu dgng hoa than thien"
cho ling dung moi.
Trong thilt ke he thong dugc gioi thieu, cac FFC dugc dat 6 "mo lien kit". Khi thilt bi dien dugc iing dung cho FFC trong chuyin dgng thang diing, dai 16 xo true tilp se cat qua lop each dien tren cap, trugt tren day d i n bang d6ng, va trugt theo lop each dien, d l mo rgng khu vuc lien kit. Sau do, thilt bi truyen dgng tuyen tinh se tac dung len FFC mgt luc kep de tang kha nang ket noi. Luc nay se lam mat tac dung luc tii phia cap 16 xo, khi thiet
bi dien kep chat cac bg phan chiic nang ciia no voi dinh vit. Khi dinh vit da dugc gan chat, luc kep dugc giai phong va ket noi dien giiia cap va thiet bi dugc thuc hien.
T u d o n g l a p d a t
De kiem nghiem kha nang hoat dong cua FFC, cac nha nghien ciiu da thii nghiem tinh kha thi cua cap 16 xo lien ket true tiep voi cac bg phan lap rap. Sau do, hg thiet lap cac bg phan tu dgng dinh tuyen ket noi voi FFC tuong tu cac he thong tu dong lap rap cua cac module thiet bi co chiia FFC. Dien hinh nhu:
Bg phan dugc lap rap loa cho bang dieu khien cua. Bg phan nay su dung hai robot RL16 Cartesian tii Reis Robotics. Day la hai robot co kha nang dinh vi de chia se khu vuc lam viec chung. Chiing ciing co the ma rgng pham vi lam viec, neu phoi dugc gan vao thiet bi sau chan tu dong de chuyen dong dinh vi bo sung; Hoac robot dugc trang bi to vit tu dgng tu DEPRAG Inc. No co mgt tay gap tuy chinh theo yeu cau de xii ly va dieu chinh loa phong thanh...
Khi module ciia di chuyen den bo phan, no lien ket voi mgt pallet thuoc loai sau chan, de tay kep robot lua chgn loa phong thanh dat vao vi tri tren panel ciia. Tai thoi diem nay, moi lien ket giiia FFC va loa dugc thiet lap. Robot lien tuc duy tri vi tri ciia no cho den khi loa dugc gan chat voi cac bg phan thief bi mgt each an toan. Khi loa dugc gan chat vao bg phan, robot trd lai vi tri ban dau va module cua di chuyen ra khoi bo phan. Day la nhiem vu ciia cac robot screwdriv- ing (robot tuot no vit).
Thanh phan chinh ciia he thong tuoc no vit lop trong robot la
Automation Today / 9, 2 0 1 0
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DEPRAG trong chuong trinh phan mem tuoc n o vit Minimat-E 320E27- 0.042 va mo-men xoan tii 0,7-4,2 newton-met. "Do kich thuoc nho va trgng lugng thap, nen chiing rat phii hgp voi tuoc n o vit true chinh ciia robot", ong Markus Michl, lanh dao nhom phat triin du an ciia Vien Manufacturing Automation and Production System.
Trong ung dung nay, bon tuoc no vit M4 CO kich thuoc 12mm dugc sir dung. Chung dugc cung cap boi may tiep lieu kieu vit DEPRAG tieu chuan. Chiing bao gom mgt 6 dia rung, bat xoan 6c theo doi va mgt 6c vit don. Sau khi ra khoi bat, 6c vit trong bat qua 6ng va di chuyin vao dau v6i ciia dia tu6c no vit, de robot dinh vi thief bi tren m6i vi tri 6c vit. Voi su h6 trg ciia bg phan trugt tuyen finh, cac tu6c n o vit di chuyen xu6ng duoi.
Chiing xuong qua dau v6i ciia nguoi van hanh diing a dau van.
Sau do true vit se dugc silt chat khi nhan dugc tin hieu khod dgng tii bg dieu khiln chinh.
Cac 6c vit dugc siet chat trong mgt quy trinh hai buoc. Tai buoc d i u tien trong quy trinh nay, 6c vit dugc chuyin dgng trong lu6ng vod foe do cham. Sau do, no dugc sief chat vod luc m6-men xoan dat truac (toi thilu 1,2 newton-met, toi da 1,8 newton-met). Khi dat tod luc m6- men xoan, tuoc n o vit tu dgng dung lai. Oc vit dugc dat an toan ciing m6-men xoan, vod do lech chuan t6i
da la 3%. M6i 6c vit dugc cai dat trong 1,3 giay. Qua trinh nay dugc theo doi bSng thilt bi ASTIO DEPRAG ciia bg dieu khien 6c vit.
"He fh6ng dieu khien trinh tu ASTIO kh6ng chi dugc su dung trong he th6ng lap daf tu dgng hoan toan, ma con a cac he fh6ng ban tu dgng", 6ng Bernd Marz, nguoi diing dau ciia DEPRAG Mechafronic Dvelopmenf Center.
Khi no dieu khien c6ng cu dgng CO dien khong choi than van hanh cac c6ng cu dieu khien tii xa, de giam sat quy trinh hoat dgng ciia tuoc n o vit. No se thu thap va luu trii toan bg dii lieu ve qua trinh lap rap nay. Cac ky su co the truy cap dii lieu tii bat ky vi tri nao tren the giod fh6ng qua giao dien http dugc tich hgp trong may chii web server.
D o n g i a n h o a l a p t r i n h Markus Michl chgn ASTIO cho du an nay "vi no de dang tich hgp vao he fh6ng kiem soat". Bg dieu khien trung tam trong cac he fh6ng lap rap la mgt may tinh dugc ket n6i voi cac may tinh ca nhan qua nhieu giao dien dieu khien. Vi the, cac robot dieu khiln co fhl lien ket dugc vod may tinh qua Ethernet bang cac g6i dii lieu huong dan dinh dang ngoai vi XML.
Ngoai ra, bg dieu khien trung tam nay con ket n6i dugc voi thilt bi sau chan qua Ethernet, va kef noi voi cac cam bien, van dieu khien khi nen qua "I/O Warriors", de thuc hien finh nang dilu khiln va xu ly
ky thuat s6 v a o / r a PLC.
Ong Bernd Marz noi: " Vi cac chuong trinh hoat dgng ciia tuoc no vit dugc chgn th6ng qua giao dien truyen th6ng (tin hieu nhi phan), nen nhiing tin hieu thong fin lien ket m6-men xoan cua he thong tuoc n o vit cung dugc truyen qua c6ng ket noi lO-Warrior. Ngi dung ciia nhiing chuoi dii lieu nay luon dugc dinh dang truac khi qua giao dien cau hinh tren trang web cua he th6ng dieu k h i l n fu6c n o vit.
Nhung dii lieu chi tilt nhu m6men xoan, goc, s6 lugng 6c vit... ciia qua trinh van hanh fu6c n o vit dugc goi qua lenh phan tich http, d l phan tich cac truong hgp 16i".
Tuy nhien de dem gian hoa quy trinh lap trinh, giam thoi gian va tranh 16i, cac he thong chiic nang nhu robot, thilt bi chuyin dgng sau chan, gu6ng xoSn tuot n o vit hoac may van vit phai dugc van hanh trong Python theo ngon ngii lap trinh huong d6i tugng.
Cac nha nghien ciiu cho bilt, sii dung ngon ngii lap trinh nay, cae ky su chi cin thilt lap ciu triic van hanh dinh dang thiet bi ma khong cin tao ra mgt chuong trinh trinh tu doi hoi nhieu thoi gian va d l gay 16i. The nhung, truac khi iing dung rgng rai cong nghe moi trong nganh c6ng nghiep 6 t6, hg v i n cin them mot khoang thoi gian, d l thii nghiem va phan tich do tin cay ciia FFC.d
LAN ANH Theo www.depragusa.com).
