KHOA HOC - CdNG NGHE So 10/2018
Trien khai thir nghiem he thong giam sat tu dong
va dieu khien tap trung cho thiet bj tfn hieu duung ngang tai Viet Nam
I TS. N G U Y I N Q U A N G T U A N - Vien Khoa hocvd Cdng nghe Giao thong van tai
I ThS. N G U Y I N A N H TUAN; KS. PHAN ANH HUNG - Trung tam TUddng hda vd Do lUdng, ITST I KS. PHAM VAN HIEP - Cdng ty Co phan Thong tin Tin hieu DUdng sdt Hd Noi
TOM TAT: H$ thong gtam sat tu dpng va d"ieu khien t^p trung cho thiet bi tin hieu duong ngang (THON) la s^n pham cua De tai cap Nha nuoc
"Nghien cuu che tao he thong giam sat ty dgng va dieu khien t i p trung cho thiet bj THDN", Ma so DTDL,CN-47/16. Bai bao gioi thieu qua trinh thd nghiem he thong trong thuc te va mqt so de xuat nh§m hoan thien hon nua he thong nay trong thdi gian toi,
TL/ KHOA: He thong giam sat dieu khien ABSTRACT: Automatic monitoring and centralized control system for signal equipment at level crossing. This is the product of the State scientific and technical project "Research and manufacture of automatic monitoring and centralized control system for for signal equipment at level crossing", Code number DTDL,CM47/16. This article will introduce the process of system testing in practice, and provide some suggestions to further improve this system in the future
KEYWORDS: Level crossing RAMS.
Protection System,
I.DATVANOE
Nam 2016, Vien Khoa hpe va Cdng nghe GTVT duac giao thue hien De tai "Nghien cdu che tao he thdng g i l m sit t u ddng va dieu khien tap trung cho thiet bj THDN", Ma sd DTDL.CN-47/16 do TS. Nguyen Quang Tuan lam Chu nhiem detai.
He thdng giam s i t va dieu khien tap trung dupc xay dung nham dam bao dp tin cly, tinh sSn sang dap dng eua he thdng thiet b|. He thdng cd the phat hien kjp thdi trd ngai, sU cd eua he thdng thiet bi THDN de ed hanh ddng tdc thdi trong dieu hanh g i l i quyet, khic phuc hole thdng b i o elc ben lien quan cd hanh ddng thich Ung, nham han che den mdc thap nhat tai nan giao thdng dudng sat (TNGTDS) do ele nguyen nhan chu quan cCia cdng tac q u I n ly, bao tri va dieu hanh van tai gay ra; luu giijf co sd d d lieu (CSDL) phuc vu phan
tich, danh gia, quy phan trIch nhiem khi TNGTDS x l y ra la can thiet; nang cao hieu qua q u I n ly, g i l m sit; nang cao nang suat lao ddng, g i l m chi phi lao ddng quan ly, b i o tri he thdng thiet bj THDN.
Cac thiet bi THDN dUOc bd tri va md ta nhu Hinh 1.1.
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Hinh 1.1: He thong thiet bi THDN So do khoi he thdng do de tai nghien cdu dUpe the hien nhu trong so dd Hinh 1.2. Trong sO do khdi nay, nham giai quyet bai toan dat ra, eae he thong thiet b|
giam sit va dieu khien tai dUdng ngang se dUpc l i p dat.
Cac thdng sd can giam sat sau khi dUa ve thiet bi giam sat va dieu khien tai dUdng ngang thdng qua he thdng truyen dan dd lieu de dUa ve he thdng g i l m sit va dieu khien tap trung.
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Hinh 1.2: So do khdi he thong giam sit dieu khien tap trung
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KHOA H O C - C O N G N G H |
Cung thdng qua mach giam sat va dieu khien tai dudng ngang, Trung tam cd the gdi mdt sd lenh^dieu khien de thUe hien mdt sd thao tie, lenh dieu khien tai dudng ngang.
Can ed theo khoi lUpng cdng viec da trien khai eua de tai, den nay eae thiet b\ eua de tai da dUOe lap d i t va dang dupc thd nghiem tai 20 dudng ngang thude dia ban ele tinh, thanh: Ha Ndi, Ha Nam, Nam Dinh, Hai DUPng, Hli Phdng, Bac Giang. Ben canh do, elc thiet bi phuc vy xay dung Trung tam gilm sat da duac trien khai lap dat taiTrung tam giam sat eua Cdng ty Cd phan Thdng tinTin hieu Dudng sat Ha Ndi.
Bai bao gidi thieu qua trinh trien khai lap dat va theo ddi thdnghiem he thdng thiet bi giam sat tuddng va dieu khien tap trung do de tai nghien cdu, thiet ke, che tao tai mdt sd dudng ngang trong thUe te va tai Trung tam va mot sd de xuat n h l m hoan thien han nda he thong nay trong thdi gian tdi.
2. TRI^N KHAI L A P DAT, THEO DOI THCif NGHI$M H$TH6NG
2.1. Quy trinh trien khai tap dat
-De ehuan bi cho viec trien khai lap dat, theo ddi thd nghiem, cac cdng viee can trien khai nhu sau:
+ BUdc 1: LUa chon dudng ngang de thd nghiem;
+ Bude 2: Che tao he thdng thiet bi giam sat t u ddng va dieu khien tap trung;
+ BUdc 3: Xay dUng hd so thCf nghiem;
+ BUdc 4: Xin phep trien khai thd nghiem cle dudng ngang;
+ BUdc 5: Trien khai lap dat thiet bi tai cac dudng ngang.
BUdc 1 duac thuc hien t d khi bat dau trien khai de tai trong q u i trinh khao sat, thu thap sd lieu ve dUdng ngang. BUdc 2 duac thuc hien sau khi da hoan thanh eae npi dung nghien edu, thiet ke va mua sIm vat tU.
Bude xay dung ho so thd nghiem la bUde quan trpng de tien hanh trien khai thd nghiem. BUdc nay can cU vao ket qua khao sat, lua chpn d bUde 1 va ke hoach cua nganh Dudng sit de lUa chon ra 20 dUdng ngang thd nghiem theo nhu dang ky trong de cuang de tai.
Bude 4: Xin phep thd nghiem. Sau khi hoan thien hd so Vien da gCfi cdng van sd 819/VKHCN-KHCN ngay 18/5/2018 de nghi Tdng cdng ty Dudng sat Viet Nam cho phep thd nghiem he thdng thiet bi tU ddng giam sit va dieu khien tap trung tai 20 dudng ngang Ngay 14/6/2018, Tdng cdng ty Oudng sit Viet Nam da gdi cdng van sd 1780/D5-QLHT ve viee ddng y eho lap dat thCf nghiem he thdng nay.
Bude 5: Trien khai lap dat.
Sd lupng cac dudng ngang thd nghiem tai eae dia phuang nhu sau: Ha Ndi: 10, Ble Giang: 3, Hai dUdng: 01, Hai phdng: 02, Ha Nam: 02, Nam Dinh: 02.Trong tong sd 20 dudng ngang nay thi se cd 3 dUdng ngang cd ngUdi gae, 17 dUdng ngang einh bao tU ddng.
Trien khai lap dat bao gdm: Lap dat cac thiet bl tai Trung tam va lap dat tai dUdng ngang. Cac thiet bi tai Trung tam gdm: May chu, bp nguon UPS online, bp may
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62 ndm Vm Khoa hpe tJd Cdng ngn$ijTVT tinh giam sit, bd chdng set dudng truyen. Cle thiet bi nay dupc lap trong phdng mIy thude Trung tam giam sat eCta Cdng ty Co phan Thdng tinTin hieu OUdng sit Ha Npi.
Hinh 2.1 gidi thieu cac tu dieu khien tai cac dUdng ngang hien tai.
Hinh 2.1: Botrimit va ben trong tu dieu khi^n dudng ngang cd gie
Hinh 2.2: Tu dieu khien dudng ngang canh bao tuddng Theo de cuong dupe duyet, elc thiet bi do de tai nghien cdu, che tao se sd dyng lai mot sd thiet bj trong tu dieu khien hien cd de tao thanh tu dieu khien dUdng ngang ed giam sat hoan chinh. So dd khoi tu dieu khi^n hoan chinh nhu Hinh 2.3, trong dd cac khdi vien mau 36 la cac thiet bi do de tai che tao, edn lai la cac thiet bi sil dung lai cua tu hien cd tai dUdng ngang.
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Hinh 2.3: Sa do khoi t6 dieu khi^n tai dudng ngang
KHOA HOC - C d N G N G H ^
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Do dieu kien sd dung lai thiet bi nhu vay nen quy trinh l i p dat tu dieu khien tich hop thiet bj cua de tai tai eae dudng ngang nhu sau:
Buoc 1: Sii dung v^t tu d^r phong ciJa Cong ty Co pbaa Tbong tin Tm hieu Diicmg s^t Ha Noi de dau phoi thanh 01 tu hoan chinh
Bude 2' Van chuyen tli dieu khien n;
hientiu^ng
Biitic 3: Do tu dieu khien hi^n tai Buoc 4'Lap dat tu dieu khien
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Bude 5: Kiem tea hogt dpng cua tu dieu khien
BiTOC 6: Sua tii cil ve Cdng ty de lAy v^t tu lap vao cac tu d i ^ kbien moi
Hinh 2.4: Quy trinh trien khai lip dit tu dieu khi^n Mdt sd hinh anh lap dat thiet bj tai cac dudng ngang
Hinh 2.5: Dau phoi tu dieu khien dudng ngang cinh bAo tu ddng hoan chinh tai xudng chd'tao
Tu di^u khien sau khi dau phdi hoan ehinh se dupe kiem tra trude khi van chuyen ra ngoai dudng ngang de l i p dat.
Thao d l y la khau dau tien trong viec t h i o tu dieu khien eu. Viee nay phai can cd vao so do va ho so hoan cdng eua tCi de d i n h dau day eho dung. Sau khi t h I o xong day, tti eu se dupe thay the bang tu mdi.
Hinh 2.6: Thio day tu didu khien
'liff^Sjiajs. - J
Hinh 2.B: Kiem tra hoat ddng cua tu dieu khien tai dudng ngang cinh bao tuddng
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K H O A H O C - C d N G N G H l
Mdt sd hinh anh ve qua trinh l i p dat tu dieu khien cho dudng ngang ed ngUdi glc:
Hinh 2.9: Dau phoi va kiem tra tu dieu khien dudng ngang cd gie hoan chinh tai xudng
Hinh 2.10: Lip dSt va kiem tra boat ddng aia tO dieu khien tai dudng ngang co ngudi gie Kiem tra hoat dong cua tu dieu khien Sau khi dau phdi hoan ehinh, dien se dupe cap vao tu dieu khien mdi. Dpi ngu ky thuat se tien hanh kiem thCf hoat ddng tu nhutrong H/n/i2.?/.
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-Vdi dudng ngang ed ngudi glc cd mach ngan dUdng:
-I- Nhan nut "Ngan dudng", den bleu thj tren cot den ngan dUdng phai sang.
+ Kiem tra mach thu chuong: Khi dien thoai do chuong qua 5 Ian thi cdi keu. Day la trUdng hpp khi kiem tra khi ngudi true g l c khdng cd mat tai nOi true.
- Kiem tra khi khdng cd tau: Gia lap tin hieu cam bien bao ed tau de kiem tra hoat ddng cua chudng, den va can chin.
+ Khi tau vao khu vUc dUdng ngang (qua elm bi^n dau xa): Chudng phli keu, den p h l i sang. Ddi vdi dudng ngang canh bao t u ddng thi can chSn phli ha, kiem tra duac tin hieu b i o vj tri eua can chan dang nang hay dang ha.
+ Khi tau dl qua khu vUe dudng ngang thi chudng va den tat. Ddi vdi dUdng ngang canh b i o t u ddng thi can chan p h l i nang.
-I- Ddi vdi dudng ngang ed ngudi glc, den bieu thj hudng tau tren mat tu phai sing.
- Kiem tra khi ed tau: Ndi dung nay se thUe hien kiem tra hoat ddng cua:
+ CIm bien: Thdng qua den tin hieu (10.0 den 10.5) tren bd dieu khien PLC: Khi khdng cd tau thi den sang.
Khi cd tau qua thi den nhay. TrUdng hpp den khdng sang hoac khi tau di qua ma den khdng n h l y thi p h l i kiem tra lai mach giao ti^p vao, day tin hieu va cam bien.
+ Chudng, den va can chan: Tuong t u nhu khi khdng edtau,
- Kiem tra viec truyen dd li&u ve Trung tam: 6 trang thai tinh khi chUa ed tau di qua dUdng ngang, mach giam sat trong td d\iu khien se gdi toan bd dd lieu thu thip dupe ve trung tam vdi chu ky 5 phut mdt Ian v l khi co tau di qua dCf lieu lien tuc dupc gdi ve trung tam vdi tin suat tdi da.
3. THEO D 6 | , G I A M SAT TAI TRUNG T A M Vdi md hinh he thdng nhU da trinh bay tren Hlnh 1.2, he thdng tuddng g i l m sat va dieu khien taiTrung t i m co khi nang g i l m satva dieu khien nhUsau:
Bang 3.7. Cic thdng so giam sat
Bucc I: Kiem tra lai viec dau day theo ban ve truoc khi cap nguon dien vao tu
Bude 2- Kiem tra hoat dong ciia tu voi
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nguon cap ac quy
; Buoc 3. Kiem tra hoat dong cua tu vdi
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1 nguon cap xoay chieu 220VAC Bude 4 Kiem tra hoat dong cua tu dieu khien
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khi CO tau
Hinh 2.11: Cac bude kiem tra sau khi lap dat xong tu dieu khien
* Cac ndi dung kiem thd phai thue hien khi nguon cap la Ic quy va ngudn xoay chieu gdm:
- Khi ngudn cap la ae quy thi den bao mat ngudn xoay chieu phai sang;
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KHOA H O C - C d N G NGHE
S6 10/2018
Bing 3.2. Cac thdng so ein diiu khi^n
U c < h i l ( : n i n g d i e u k h i £ n -Cong tac ki^m tra dmh k*
+ Gf/i lenh d j y tu
-1- GiJi l l n h nhan cong
, G J I . „ h p h . c l , < , -Cong tac dieu hanh ifrigciJu
•l-GC(ilenhantTnh
+ GLfl!enh chuyen PLC
Muc dich
dilukllilnTHEIN Tuong Lfng thao t i c nhSn nut nhan cong t a i t u aieukhienTHBN Tuong ftig thao t i c nlian nut phuc hoi tai
YeucSu he thfing g l i m sStthUchienan kiem tuc thoi va giU dO lieu do u4 m i y chii Khi phat l l i f n PLC chinh khong hoat flflng, theo phan quyen - nguei ofxbn ttj tU sa chuyen mach cho PLC phu thuc h i i n fliSu hinhTHON thay cho PLC chmh
f nghia
Thirc hien d i ^ u khl^n t i t l r u n g t a m d i ^ u h i n h , t h a n g qua m i y c h i i g i n i e n h d l l u khien tdidiietng
mm t r a .
Sau khi lap d i t hoan chinh eae thiet bj tai hien trUdng, npi dung cdng viee tiep theo la theo ddi hoat ddng cua he thdng. Ndi dung nay duoc trien khai c l tai hien trudng va tai Trung tam Giam sit thdng qua phan mem giao di&n w/eb eua de tai,
Hinh 3.1 vd 3.2 gidi thieu giao dien phan mem khi ed tau va khdng ed tau di qua. Khi khdng cd tau qua thi tren giao dien eung khdng hien elc thdng sd ve elm bien, ddng ctja chudng den.
trung. Bay la giai doan dau thd nghiem cua de tai. Ket qua thd nghiem bude dau cho thay hieu qua cua he thdng cung n h u d i p dng duac yeu eau dat ra.Tuy nhien, de hoan thien hon nda he thdng nay, nhdm nghien cdu cung de xul't mdt sd y kien nhu sau:
-Tiep tue trien khai de hoan thien he thdng, d i p Ung cac yeu eau trong de cUefng dat ra;
- Hien nay, he thdng dang sCf dung mang GSM/
GPRS de truyen diJ lieu t d eae dUdng ngang ve Trung t i m . Trong thdi gian tdi, can nghien cdu trien khai thd nghiem tren dUdng d p quang, dam bao chat Iuong, tdc do truyen d d lieu;
- Nghien cdu, de xuat cung nhU hoan thien md hinh he thong nham d i m bao md rdng he thdng, d i p dng nhu cau quan ly sd lUdng Idn eae dudng ngang.
Tai lieu tham khiio
[1]. Tieuehudn chau Au EN 50126, EN 50128, EN 50129.
[2]. Quy dinh ky thuat ehdu Au ve hap chudn ehung trong khai thdc van hdnh (TSI Operation).
[3], Cac bao c l o nghien eUu thude de tai KHCN cap Qudc gia "Nghien eifu che tao he thdng gidm sdt tuddng va dieu khien tap trung cho thiet bi THDN", Ma sd DTDL.
CN-47/16.
Ngay nhSn bai: 20/8/2018 Ngay chap nhan dang: 11 /9/2018 Ngaori phSn bien: ThS. Hoang Tuan Nam
ThS. Le Dure Dung Hinh 3.1: Giao didn giam sat khi khdng co tau qua
Phan mem g i l m sat tai trung tam cd nhiem vu phan tach dd lieu, hien thj va dUa ra ele cinh bao theo thdng tin nhan dUefe eho ngUdi q u I n ly, giam sat van hanh he thdng phdng ve dudng ngang.
Hmh 3 2 Ciao dien giam sat khi eo tau qua 4. K^T LUAN VA Di X U A T
Viec giam sit tinh trang hoat ddng cOa cac thiet bi THDN I I rat can thiet nham nang cao do tin cay, tinh an toan cua cac thiet bi, dam b i o an toan, nang cao chat Iuong ehay tau. Ddi vdi cdng tae q u I n ly, he thdng giam sat nay se giup giam sit lien tuc cac trang thai tinh (khi khdng cd tau) va ddng (khi cd tau) tinh trang boat ddng eua thiet bi, t d do giam dUde chi phi nhan cdng trUe tiep kiem tra, d u bao Idi va nang cao hieu q u i q u I n ly.
Bai bao da gidi thieu ve viee trien khai lap dat thd nghiem he thong g i l m sat t u ddng va dieu khien tap
