ROBOT
Anh hiiong cua
""cuoc chien"" mang
tai nganh cong nghiep robot
Mang cong nghiep ddng vai trd riit quan trpng trong nganh cong nghiep robot. Nhtfng "cupc chien" cong nghe mang khong chi khien mang nhanh chdng tang trUdng ve so lUdng va chat lUdng ma cdn thiic day nganh cong nghiep robot tang tru'dng manh trong ITnh vUe cong nghiep nhU oto, do go, thifc pha'm, dUde pha'm, y sinh, nhifa, bao bi, thiet bi may mdc...
"Cuoc chien" mang cong nghiep
Trong ITnh vUc tU dong hda cong nghiep, nhtfng cupc chien cong nghe mang van Hen tue xay ra. TrUde day, cupc chien nay chii yeu tap trung vao eac chifng nhan ve tieu chuan khac nhau doi vdi mot so cap dp thif bac dUa tren khoang each vat ly, tdc dp boat dong, tinh nang thdi gian thifc va nhtfng ddi hdi cu the cho ifng dung khac ciia Fieldbus. Cdn bay gid, cupc chien nay lai tap trung vao cong tac tim kiem ifng dung va eac tieu chuan cd ban cd kha nang cung cifp sU tUdng thich san pham rpng rai hPn dap ifng yeu cau khach hang va ngUdi sif dung d mang khong day cong nghiep va Ethernet cong nghiep.
Trong dd:
Mang khong day cong nghiep dUdc cac chuyen gia dU kien la mang tao ra sU tang trUdng trong cupc "chien mang".
Mang khong day phat trien manh trong moi trUdng kinh doanh va ngay cang trd nen quan trpng trong cac nha may. Nd cho phep truy cap thong tin sd mpi ndi, cac mang cam bien va trd dong cung cap he thong do lUdng thdi gian thifc, tif xa, dieu khien va tUdng tac vdi the gidl vat chiit.
Mang khong day nhanh chdng tich hdp dupe vdi mang WIFI, WIMax va mang thong tin bang thong rpng nha may va van phdng tieu chuiin.
Khi eac cong ty Idn ve tif dong hoa qua trinh nhu Emerson, Honeywell... chii yeu
tap trung vao nhtfng Uu the va tieu chuan khong day cho thiet bi tru'dng, hay cac ddng san pham do lUdng va dieu khien rpng ddi hdi truyen thong khong day phai cd nhieu thiet bi va he thong dMc dat tren toan bp nha may, thi ifng dung cong nghe khong day trong eac ifng dung tU dong hoa cong nghiep cang trd nen sau va rpng va hdn dang ke.
Cd rat nhieu ifng dung do lu'dng va dieu khien du'dc sif dung tinh linh boat eiia mang khong day, dien hinh nhU: Wire- lessHart, mot ifng dpng dUde cho la tieu chuan truyen thong khong day md dau tien dupe thiet ke dac biet cho eac thiet bi tru'dng do lUdng va dieu khien qua trinh vao nam 2007. Nen tang ciia tieu chuan WirelessHart difa tren Dust Netw/orks' WSN (mang cam bien khong day) va TSMP (giao thifc mat lUdl dong hda thdi gian).
WirelessHart cd kha nang tUdng thich nhanh chdng vdi cac bp trang thiet bi khong day cho eac thiet bi Had: ndi day da dupe trien khai.; Hay cong nghe ket ndi mang chii dao Cisco, mot san pha'm ke thifa SLf phat trien hpl tu eiia the gidl IT va t u dong boa cd kha nang md rpng sif tiep
can eiia mang len cap dp Hen hiep vdi nha may...
Ethernet cong nghiep ed mat mpi nPi.
Nd la mang toan cau trong moi trUdng kinh doanh, md rpng ra moi trUdng nha may va tif dong hoa qua trinh thap chi la ea cap thiet bi. Odi vdi viec ket noi mang cong nghiep, Ethernet ed Uu diem Idn la kha nang ket ndi mpi thif - tif san nha may den phdng hpp ciia ban giam doe lien hiep cong ty tren mot mang, cung cap kha nang truy cap dtf lieu tren toan doanh nghiep tif bat cif dau tren the gidi. Them vao dd, mot so phien ban Ethernet cong nghiep cdn md rpng ket ndi phan cifng ben vtfng hdn cho viec sif dung cac giao thifc cong nghiep va md rpng thdi gian thUe eiia TCP/IP. Thdi gian dap ifng eiia thiet bi khong the dUde bao dam vi sU xung dot va can trd dtf lieu trong qua trinh truyen lai dif lieu. Vi the, Ethernet cd the thap nhap thang vao cap hien trUdng da gan chat vdi van de thdi gian thifc, de mang lai nhifng tien dp cho the gidl tif dong hoa den cac tieu chuan Ethernet, dac biet trong eac khia canh ban dinh (hau bet cac ifng dung tif dong hda nha may, 100
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Hinh 1. Cong nghe mang khong day
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60i TUOpNG HOA NGAY NAY • (S6 10/2009)
ROBOT
Mbps Ethernet la dii mife ban dinh), toe dp va gianh quyen Uu tien.
Hien nay, Ethernet dUde sif dung de xay dUng cac glal phap mang tif dong boa theo mife han dinh md vdi mife ehl phi thiip. 70%-80% cac san phii'm t y dong hoa ciia cac hang t y dong boa cong nghiep truyen thong nhu Rockwell Automation, Siemens va mot so hang khac cd kha nang ket noi Ethernet. Tuy nhien, Ethernet khong the ket noi trUe tiep thong qua mot trong nhtfng mang cong nghiep cd lien quan. Nd chi ket noi va di chuyen phan m'em yng dung t y nen tang nay den nen tang khac khi CO mot model dff lieu thdng dung.
Sau moi cupc chien mang, cac cong ty t y dong boa, dac biet la cdng ty san xuat robot lai ed them nhieu lya chpn cho lap dat va sy dung mang. Hp khdng chi phai lya chpn nhffng gi hien ed ma cdn tim den nbffng tieu chuan mdi. Oieu nay rat quan trpng cho chien lUPc phat trien lau dai.
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Anh hu'dng cudc chien mang den cdng nghe robot
Trong sudt nhtfng nam qua, "cupc chien" mang cdng nghiep da hd trd nganh cong nghiep hoa bang robot tren toan the gidl gat hai dUde nhieu thanh cong. Nhieu phUdng thye dieu khien robot qua mang dupe yng dung trong cac ITnh vUc cdng nghiep nhU dtd, cao su, y sinh, thiet bi may mdc, thye pha'm, y te, thiet bi gia dinh, dich vu quang cao... Oien hinh nhU:
Robot lam PR ciia Cdng ty Dich vu an ninh Sohgo, Nhat, mot phUdng tien quang cao va hUdng d i n cho ngu'di sy dung dUde trang bi chip thdng minh Felica va chye nang Hen lac hong ngoai. Robot nay ed kha nang chup anh, xd ly, gifi tdi dien thoai di dong (tUdng thich vdi chip Felica) thdng tin ve eya hang cung nhU phieu giam gia, va giam sat an ninh t y xa bang hinh anh qua mang LAN; Hay RoboCar-"trd thii" dac lye cho cong nghe san xuiit oto den t y Cong ty Hen doanh ZMP, Nhat Ban. Robo- Car dddc dng dung nhieu trong qua trinh kiem tra thuat toan tranh chUdng ngai vat, de hoan thien cac chye nang an toan ciia oto nhu dy doan sU xuiit hien ciia ngUdI di bp cung nhU phUdng tien khac va tranh va cham. RoboCar cd kha nang ket ndi mang LAN khdng day, nhd dd nhyng thdng tin thu thap qua bp cam bien se dUde tap hdp vao may tinh de chia se cho nhieu robot xe hdi khac. Than robot du'dc trang bi may quay camera CCD, thiet bi nhan dien hinh anh vdi bp chip IMAPCAR do Tap doan
NEC san xuiit, thiet bi truyen WIFi (IEEE tdc dp 802b/g/n), cam bien hoi chuyen, cam bien gia tdc ba true, 5 bp ma boa quay dat tren dong cd va 4 banh ciing tam cam bien hong ngoai. Robot oto nay dUde dieu khien bang he dieu hanh Linux, sy dung cdng cu phat trien theo MATLAB/Simulink; Hoac robot ddng gdi dupe Rockwell bo xung phan cifng va phan mem ho trd giam sat qua mang, cd kha nang tang toe dp ddng gdi len 160 san pham/phut; Robot Astronaut yng dung trong nganh cong nghiep che bien sifa do Cdng ty Leiy Group san xuiit. Robot cd kha nang boat ddng 24/7. Tiit ca thiet bi ngoai vi dUdc ket ndi vdi PC giam sat trung tam qua mang Ethernet. Nhd dd, robot ed the thye bien qua trinh lay sya trUde khi xd ly thdng qua viec ket noi cac dau num cua may vat sda, xd ly stfa nhd cam bien laser, va lam sach dau vii cho bd vdi dp bn cay cao... Nhan xet ve vai trd mang trong dieu khien robot, ong Sander J.R Van Leeuwen, chuyen gia san xuiit he thong lay sya bang robot thupc Cdng ty LeIy Group cho biet:
"LTng dung mang Ethernet trong he thong dieu khien Robot Astronaut, chung tdi da dat dMc dp tin cay d cap dp cao nhat".
Cdn dng Bob HIrsehinger, tiep thi san pha'm quan ly cho Loglx Motion tai Rock- well Automation ndi: "Ciiu binh robot dat ra nhieu thach thye cho nha san xuiit. Nd luon ddi bdi sU hdp nhiit giya he thdng dieu khien vdi nhffng tinh nang mdi cua cong nghe mang. Vi the, chiing toi phai
Hen tue nghien cyu, phan tich de tao ra thiet bi mdi ho trd tyng tinh nang dieu khien cd kha dap yng yeu cau dd. Tuy nhien, nhyng ap lye t y cong nghe mang nay da giiip chiing toi cai thien nang suiit, tang kha nang lam viec va ddn gian qua trinh dieu khien cho robot eiia minh". Bo xung cho nhyng nhan xet nay. Tap doan ABB Robotics Consumer Division nhan dinh, cdng nghe mang da tang trUdng dang ke trong nhyng nam gan day Sy tang trUdng nay dong nghTa vdi nhyng yeu eau nha san xuat phai ed ky nang hdp nhiit robot thanh bp may hoan chinh va hien dai nhait.
Cdng nghe mang tang trUdng keo theo cdng nghe robot md rpng pham vi boat ddng trong thi trUdng lao ddng t y dong boa. Ong Gudrun Litzen- berger-Giam doc thdng ke Lien doan Robotic cho biet: "Thi trUdng robot tang trUdng manh trong nhyng nam gan day. Ty nam 2007 den nay thi trUdng nay da tang khoang 5,6%
trong nganh cdng nghiep t y ddng boa, CO phieu tang 1.100.000 ddn vi (chiem 4,9%). Oieu nay chyng td, mang cd anh hUdng rat Idn tdi cdng nghe robot hien nay."
Nhu vay, sy tang trUdng cua mang qua moi "cupc chien" khdng chi tang them ldl ich truy cap mang, thiet lap hinh thye lien ket va dam bao qua trinh trao doi thong tin ma cdn giiip cho nganh cdng nghiep robot tang trUdng ca ve so lUdng lan chat lUdng. Vi the, nghien cyu tieu chuan va yng dung mang de che tao robot dUa vao thi trUdng lao ddng t y dong hoa la giai phap lap khoang each, va la ky nang ton tai can thiet cho My, Han Quoc, Nhat Ban, oyc,.. trd thanh nha san suat robot bleu qua, tin cay trong thi trUdng tU dong hoa.
LAN ANH (Td'ng hdp)
Hinh 3.Roboear-trd thii die life cho nganh cong nghiep oto
(36 10/2009)-^TU DONG HOA NGAY NAY |61
