外文翻譯--combat-基于無線列車定位的復(fù)線列車控制系統(tǒng)（英文）

1、96 96 96 96 96 QR of RTRI, Vol. 45, No. 2, May. 2004PAPER PAPER PAPER PAPER PAPERCOMBA COMBA COMBA COMBA COMBAT T T T T － － － － － A T A T A T A T A Train Control System for Secondary Lines rain Control System for Seconda

2、ry Lines rain Control System for Secondary Lines rain Control System for Secondary Lines rain Control System for Secondary Linesby Radio-Based T by Radio-Based T by Radio-Based T by Radio-Based T by Radio-Based Train Det

3、ection rain Detection rain Detection rain Detection rain Detection1. Introduction 1. Introduction 1. Introduction 1. Introduction 1. IntroductionOver 15 years have passed since electronic blocking systems introduced

4、 into lines with low traffic densities. As most are cash-strapped, these lines are facing diffi- culties in investing the large sums required to update these systems, some having either shelved modernization plans or eve

5、n been compelled to retain old-fashioned non- automatic versions. In order to address this problem and provide enhancements to safety and efficiency, the devel- opment of a new low-cost train system needs to be ad- dres

6、sed with the utmost urgency. In addition, track circuits are also widely used for train detection and faults of train detection resulting from rust or dirt on the surface of the rails have become a seri- ous problem on l

7、ow traffic density lines. Since track and weather conditions affect this method of train detection, it is necessary to adjust and maintain track circuits peri- odically with resultant increases in maintenance costs. To

8、solve these problems, we have developed the new, low-cost Computer and Microwave Balise-Aided Train Con- trol System (COMBAT) for use on secondary lines1～3). The main feature of COMBAT is to use a new train detection me

9、thod that based on radio communications instead of conventional track circuits. Moreover, with regard to its interlocking and block functions, COMBAT controls trains along the entire line length by means of a centralize

10、d in- terlocking system. The introduction of COMBAT provides a range of benefits such as safety enhancements, improve- ments to traffic control efficiency, and the reductions in equipment and maintenance costs. This pap

11、er introduces the COMBAT system configu- ration, its basic functions and range of benefits, and pre- sents the results of monitored field evaluation tests.2. Development concept 2. Development concept 2. Development c

12、oncept 2. Development concept 2. Development conceptWe aimed at introducing COMBAT on low traffic den- sity lines and developed it according to the following con- cepts.2.1 T 2.1 T 2.1 T 2.1 T 2.1 To detect trains

13、 without using track circuits o detect trains without using track circuits o detect trains without using track circuits o detect trains without using track circuits o detect trains without using track circuitsWe aimed at

14、 achieving a solution to the train detec- tion problems on low traffic density lines and train detec- tion without using track circuits or contacting trains. Doing so would enhance safety during installation and maintena

15、nce work and reduce the related costs.2.2 T 2.2 T 2.2 T 2.2 T 2.2 To centralize interlocking and block functions o centralize interlocking and block functions o centralize interlocking and block functions o centrali

16、ze interlocking and block functions o centralize interlocking and block functionsOn secondary lines that are only protected by non- automatic equipment such as the tablet instrument block system, it is necessary to post

17、traffic operations staff at each station. To make traffic control more efficient and reduce maintenance costs, we adopted a centralized in- terlocking system that performs interlocking and block functions at a traffic c

18、ontrol center.2.3 T 2.3 T 2.3 T 2.3 T 2.3 To utilize existing signaling equipment effectively o utilize existing signaling equipment effectively o utilize existing signaling equipment effectively o utilize existing

19、signaling equipment effectively o utilize existing signaling equipment effectivelySince most secondary lines are experiencing finan- cial difficulties in terms of investment, it is necessary to minimize the renewal costs

20、 of a new train control sys- tem. To this end, we aimed at achieving a train control system that as far as possible makes effective use of ex- isting signaling equipment.3. System configuration 3. System configuration

21、 3. System configuration 3. System configuration 3. System configurationThe COMBAT system configuration is shown in Fig. 1. COMBAT is a train control system achieved by using a centralized interlocking system of the d

22、ispersed func- tion type. A central interlocking unit performs interlock- ing and block functions for the whole line. Each station on the line is equipped with an interlocking unit that con- trols field equipment such

23、as signals and switches. Tele- communication lines, through which indication data passes, connect the center with each station. For train detection, COMBAT uses a system composed of microwave balises (interrogators, way

24、side respondersT T T T Takashi MA akashi MA akashi MA akashi MA akashi MATSUZA TSUZA TSUZA TSUZA TSUZAW W W W WA A A A A Researcher, Noriyuki NISHIBORI Noriyuki NISHIBORI Noriyuki NISHIBORI Noriyuki NISHIBORI Noriyuki NI

25、SHIBORI Senior Researcher, T T T T Tatsuya SASAKI atsuya SASAKI atsuya SASAKI atsuya SASAKI atsuya SASAKI Senior Researcher, Shigeto HIRAGURI Shigeto HIRAGURI Shigeto HIRAGURI Shigeto HIRAGURI Shigeto HIRAGURI Senior Res

26、earcher Train Control Systems, Signalling & Telecommunications Technology Div.There has been a growing demand for a low-cost, low-maintenance signaling system on cash-strapped secondary lines. To meet this demand, w

27、e have developed the new Com- puter and Microwave Balise-Aided Train Control System (COMBAT). Specific features of COMBAT are the application of microwave radio balises for train detection and central- ized interlocking

28、 and block functions. This paper introduces the system configuration, its basic functions, and its benefits.Keywords Keywords Keywords Keywords Keywords: COMBAT, train control system, train detection, interlocking and b

29、lock systems, microwave balise98 98 98 98 98 QR of RTRI, Vol. 45, No. 2, May. 2004Fig. 2 T Fig. 2 T Fig. 2 T Fig. 2 T Fig. 2 Train detection system functions rain detection system functions rain detection syste

30、m functions rain detection system functions rain detection system functions4.2 Interlocking and block functions 4.2 Interlocking and block functions 4.2 Interlocking and block functions 4.2 Interlocking and block fun

31、ctions 4.2 Interlocking and block functionsCOMBAT's interlocking and block functions are achieved by a centralized interlocking system that has a central interlocking unit (CIU) at its heart and a station interlocki

32、ng terminal (SIT) at each station. The CIU performs interlocking between signals or between signals and switches along the entire length of the line. Since the interlocking function of the whole line is centralized by t

33、he CIU, COMBAT can provide total in- terlocking coverage as if it were one station and the block function between stations can be achieved by interlock- ing all start signals between adjacent stations. More- over, using

34、 a system of train IDs for interlocking betweenFig. 3 Interlocking and block functions Fig. 3 Interlocking and block functions Fig. 3 Interlocking and block functions Fig. 3 Interlocking and block functions Fig.

35、3 Interlocking and block functionsstations enhances the safety of the block function. The SIT controls signals or switches according to con- trol data received from the CIU. To reduce data commu- nication loads betwee

36、n the center and each station, the SIT has separate functions to (a) lock the switch after the completion of an operation and (b) to change the rel- evant signals to stop after the entry of a train on to a section of the

37、 line. An outline of the interlocking and block functions of COMBAT is shown in Fig. 3.(1) When the CIU receives a route setting request, it checks conflicting routes. If the requested route can be set, it transmits swi

38、tch control data to the SIT.On- board responders Wayside responderInterrogatorEstablishes closed loop Establishes closed loopNon- presenceDetection sectionShuts off closed loop Establishes closed loopUnconfir

39、med presenceDetects ID and direction Establishes closed loopConfirmed presenceEstablishes closed loop Establishes closed loopConfirmed presenceEstablishes closed loop Detects ID and directionConfirmed prese

40、nceEstablishes closed loop Establishes closed loopNon- presence(1)(2)(3)(4)(5)(6)(exiting)(entering)Central interlocking unitTrain detection unitStation interlocking terminal Station interlocking terminalTrai

41、n detection unitIWIW WI IW01IWIW WI IWCentral interlocking unitTrain detection unitStation interlocking terminal Station interlocking terminalTrain detection unitIWIW WI IW01IWIW WI IWCentral interlocking u

42、nitTrain detection unitStation interlocking terminal Station interlocking terminalTrain detection unitIWIW WI IW01IWIW WI IWCentral interlocking unitTrain detection unitStation interlocking terminal Station

43、 interlocking terminalTrain detection unitIWIW WI IW01IWIW WI IWCentral interlocking unitTrain detection unitStation interlocking terminal Station interlocking terminalTrain detection unitIWIW WI IWIWIW WI

44、IW01Route setting Route setting(1)(2)(3)(4)(5)Completion of operation and lockingOperation and lockingIndicates “G“Locks the routeTrain IDIndicates “R“Locks the block by the train IDTrain IDCompares the t