American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 45)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

DE304.09 9-40 Revision 4 : 05/09/12

Metro Baseline Re-Baseline: 04/29/10

2. Automatic Train Supervision (ATS)

An Automatic Train Supervision system to control and direct train

movements on the main line and in the yard whereby the ATS system

monitors train operation and provides controls, indications, automatic route

initiation, and automatic dispatching necessary to maintain intended traffic

patterns to minimize the effect of train delays on the operations schedule.

The Rail Operations Control (ROC) will contain the necessary displays,

control consoles, communications apparatus, and the operating personnel

responsible for the overall safety and security of passengers and for the

daily operations of the trains, stations, and all supporting apparatus. The

ROC will serve as the focal point from which all LRT Rail System operations

will be supervised.

3. Highway Crossing Warning System (HCWS)

That function whereby the interface between the wayside signal equipment

and the crossing warning devices, such as flashing lights and gates, are

controlled to provide timely information of an approaching train.

4. Train to Wayside Communication System (TWC)

That function whereby trains can communicate information between the

vehicle equipment and wayside interrogators at appropriate points along the

route such as:

 Vehicle identification

 Routing information

 Establish routes

 Cancel routes

 Activate or deactivate HCWS

B. System Expansion

1. ATC subsystems shall be developed as a "Building Block" design including

hardware and software design provisions for expansion of the system with

minimal modification to hardware, software and facilities of the systems

being installed.

2. Ultimate development of ATS will include the addition of computerized

routing capabilities based on train identification/destination to accommodate

future routes for automated lines.

C. Operational Considerations

In design and implementation of the ATC system, the following operational

considerations shall apply:

1. The ATC system shall provide for minimal degradation of service under

certain definable anomalous scenarios. These scenarios shall include, but

not be limited to: utility power loss, vehicle equipment malfunctions and ROC

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American Audio VELOCITY - REV 4-05 Betriebsanleitung Seite 45