C d N G NGHE LTNG DUNG SU dung cong nghe truyen thong qua mang khong day GSM/GPRS quan ly & van hanh trung tam cTieu khien chieu sang cJo thj KSLE TRUNG K I E N - - C t y C h i & s a ^ KS TRAN THANH HA^ Cong nghe truyen thong qua mang khong day GSM/GPRS vdi Uu diem noi trdi: linh hoat cao, c6 tinh chat taong tac cao, thuan Idi cho viec hinh he thdng md, gia dang dUdc nghien ciiu va ufng dung nhieu linh vUc Nhieu cdng ty nghien cu'u xay dUng cac phan mem quan ly, dieu khien chuyen dung tao dieu kien thuan Idi cho cdng tac thiet ke, dau tU xay dUng Trung tam dieu khien chieu sang cdng cdng Bai Viet sau day gidi thieu cac ket qua nghien cu'u u'ng dung cua GSM/GPRS viec xay dUng Trung tam dieu khien chieu sang cdng cdng tai Ha Ndi ThiTc trang he thong dieu khien chieu sang cong cong tai Viet Nam va tren the gidi Hien tai Viet Nam cac phd va cac dd thi cd He thdng chieu sang cdng cdng hau het du'dc dieu khien theo phu'dng phap phan tan, viec ddng cat den bang cac thiet bi t i / ddng: rdle thdi gian, photocell, PLC dat tai cac tii dien va tiet kiem dien bang phu'dng phap cat 1/3,1/2, 2/3 sd den vao cac gid thap diem Viec dieu khien phan tan cd cac nhUdc diem: • Viec ddng cat phu thupc vao thdi gian dat tru'dc ciia thiet bi dieu khien khdng phat buy hieu qua thdi tiet thay ddi bat thu'dng (mUa, trdi tdi sdm ) hoac ddng sdm gay lang phi dien nang • NhCfng sU cd van hanh: den khdng sang, cham chap tren ludi khdng dupe phat hien va sifa chCfa kip thdi • Cac ddn vi quan ly phai lap cac to, dpi kiem tra he thdng chieu sang, phat hien SLf cd, thdng bao cho ngu'di quan ly de sifa chCfa, khac phuc dd tdn kem nhan li/c Cho tdi thdi diem hien chi cd Ha ndi va Thanh phd Ho chi Minh ifng dung cdng nghe truyen thdng tren du'dng day tai dien Power Line Communication (PLC) viec xay di/ng Trung tam dieu khien va giam sat he thdng chieu sang • Trung tam dieu khien va giam sat he thdng chieu sang TP Ha Npi du'dc dat tai try sd Xi nghiep Quan ly dien chieu sang sd 66 phd Van Ho thupc Cdng ty TNHH nha nu'dc mot vien Chieu sang & Thiet bi dd thi hien dang quan ly 18 khu VI/C vdi qui md 123 tram den He thdng cd nhu'dc diem chi quan ly dUdc den cac til ma khdng quan ly, giam sat va dieu khien tifng den Viec dieu khien den tCfng til qua du'dng dien thoai • Trung tam dieu khien va giam sat chieu sang TR Ho chi Minh sif dung he thdng Luxicom ciia Cdng ty Citilum (CH Phap) cho phep kiem soat tdi 12.000 diem sang Oay la trung tam dieu khien hien dai cho phep dieu khien va giam sat tinh trang lam viec ciia tifng den ddng thdi cd the cai dat che dp tiet kiem dien vao cac gid thap diem Tuy nhien he thdng cd gia cao va la he thdng cufng, viec phat trien, md rpng phu thupc vao cdng nghe ciia nha cung cap thiet bj Tren the gidi, hau het cac dd thi deu xay di/ng Trung tam dieu khien he thdng chieu sang cdng cdng, du'dc cung cap bdi cac hang, cdng ty cung cap dich vu bao du'dng den du'dng: Streetlighting vision ciia SPIE, LUXICOM ciia CITILUM, OPERA ciia REVERBERI, _C6NG NGHE Cac mo hinh dieu khien giam sat va truyen thong cho he thong chieu sang cong cong Viec lu'a,chpn giai phap truyen thdng cd y nghTa quan trpng nhat viec xay di/ng He thdng dieu khien va giam sat trung tam Hien cd the ap dung cac md hinh ifng dung cac cdng nghe truyen thdng sau: [ Md hinh l(hinh 1): Sif dung giai phap truyen thdng qua mang dien thoai cd dinh Dial-up ket hdp vdi truyen thdng qua dudng tai dien (PLC) Day la phu'dng an hien hii'u ciia Ha Ndi Viec dieu khien va giam sat qua cap Cap phai qua dUdng dien thoai, cap qua cap ngudn cho chieu sang [ Md hinh 2(hinh 2): Sif dung giai phap truyen thdng qua mang internet ADSL ket hdp vdi truyen thdng qua du'dng tai dien PLC Day la md hinh ciia Citilum dat tai Trung tam dieu khien va giam sat chieu sang cdng cdng Tp Hd Chi Minh O cac tuyen khdng cd du'dng truyen ADSL phai sif dung ky thuat thu phat tin hieu radio r Md hinh 3(hinh 3): Sif dung giai phap truyen thdng qua mang khdng day GSM/GPRS Vdi viec phat trien manh me ciia he thdng truyen thdng khdng day cd the thifc hien giai phap sau day: So sanh Uu nhUOc diem cua cac giai phap truyen thong Bang tdm tat cac dac diem cd ban ciia ba giai phap truyen thdng ddi vdi He thdng dieu khien chieu sang cdng cdng tai bang " • ^ ^ TT Oac diem Mang cd day: PLC - Telephone dial-up U'NG DUNG Mang khdng day: GSM/GPRS - Cd day, Truyen thdng di/a tren lu'di - Khdng day, difa vao mang thdng tin di Truyen thdng dien chieu sang hien cd qua du'dng ddng GSM/GPRS ciia nha cung cap dich Phu'dng thifc va toe dp truyen thdng tnjyen dien thoai co dinh vu - Truyen diem - diem - Truyen dong bd -Toe dp 1,2^-4.8 kbs - Phan bd theo kieu hinh tia, cae tram taiyen thdng phu thupc - Truyen da diem - DO' lieu dang gdi tin,khdng dong bd - Toe dp': 19,2 Kbps-115,2 Kbps - Khdng can phan theo khu vifc, cac tram truyen thdng khdng phu thupc - Khoang each tnjyen giu^ cac tram Khoang each khu vi/e la