Page 39 - 捷運技術 第43期
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捷運技術半年刊 第43 期 33
環狀線 DCS 光纖骨幹系統設計原則
ದ࠭Ꮂ
摘 要
͉҅˖ಳᇞකdБԓ္છӻ୕ఱમ͜CBTC(Communication-based Train Controld
ஷৃόΐԓછՓ)Ҧஔd CBTCҦஔٙ˴ࠅतᓃ݊ΐԓІਗછՓӻ୕ٙછՓʿ္ৃd
͟ೌᇞஷڦٙ˙ό˸ʿࠐࣙڦᅺண௪ٙਈdԨҞٙᅰኽෂ፩ʿࠇၑdԸԶ
ਗௐ෦ਜගٙ̌ঐd˸ᐵΐԓග൷d৷ӻ୕༶ঐdಯˇࠐࣙཥணʿܝᚃٙၪᚐ
ϓ͉f
͟ᐑًᇞБԓ္છӻ୕ɰਗ਼મ͜CBTCόٙೌɛቷትӻ୕dϾϤCBTCӻ୕ც৷ܓ
Ա፠ΐԓeࠐࣙʿБછʕːගٙ৷ஷڦෂ፩dΪϤ̀ϞɓࢁϞйෂ୕ࠐ༸ཥ༩ٙ
৷̙ቦܓΈᜄෂ፩ӻ୕-༟ࣘෂ፩ӻ୕(DCSdData Communications System)fމᆽڭঐ
ԶɓࢁୌΥБԓ္છცӋٙ৷̙ቦDCSΈᜄ৶ӻ୕dৰணࠇචݬϽඎΈᜄண௪፯
͜e௪౪ணࠇϽඎʿ݂ღϗᏡࣛගഃணࠇΪ९̮dᐄ༶ۃ֠ცੂБᘌࣸٙତఙ༊f
關鍵詞：資料傳輸系統、故障收斂時間
Design Principles of the Circular Line's DCS Backbone network
Fei-Long Yu
Abstract
Communication-based Train Control (CBTC), an automatic train control system, was
first adopted on the Taipei MRT Wenhu line. CBTC technology uses radio communications to
transmit control and monitor signals. In addition, CBTC provides moving block functionality
so that system capacity can be enhanced and the cost of the trackside cable installation and
maintenance can be reduced. Using a beacon transmission mechanism and speedy data
communications and calculations, the CBTC system is able to locate the position of trains
precisely, thus allowing headway to be improved.
The driverless CBTC system that is to be adopted in the operation control system of the
Circular line depends on high speed communications between trains, the Operation Control
Center (OCC), and trackside. When compared with the data transmission backbone used in
traditional track circuit signal systems, the Data Communications System (DCS) adopted
by the CBTC system must be a highly reliable optical transmission system with a different
configuration. The optical equipment selection, redundancy design considerations and system
failure time convergence shall be considered as basic DCS design elements. After the above
design elements have been carefully evaluated, complete onsite testing of the DCS will be
conducted to ensure that the DCS is not only a highly reliable optical transmission backbone but
it can also fulfill the demands of the operation control system.
Keywords: DCS, handover time
ၽִ̹̏݁ઠ༶ʈ҅ዚཥӻ୕ணࠇஈਓʈ̡cc10983@trts.dorts.gov.tw
