Aaron Fraser, GE Transportation - Optimising the potential benefits of CBTC through system...

1Telecommunications & Train Control Conference

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Optimising the potential benefits of

CBTC through system integration

Aaron FraserSenior Systems Engineer

GE Transportation


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Urban transportation systemsMultiple levels of possible integration

ANCILLARY

SYSTEMS

Fire detection

CCTV

Ventilation

Passenger

Information

INTELLIGENT

TRANSPORTATION

SYSTEMS

Passenger info

Intermodal

Vehicle to vehicle

Traffic systems

CBTC

SUBSYSTEMS

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1. Optimise CBTC benefitsvia

CBTC sub-system integration


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Integration of (vital) CBTC subsystemsVision on the use of a unique Vital Platform

Robust architecture

Better design and installation

Lower Life Cycle Cost

Improved management of spares

Enhanced scaleability

Benefits

Flexible and easy to sustain

A Unique platform means:

1. Same hardware (and low level S/W) for each subsystem

2. Standardised building blocks

3. No need to use gateways

Unique

Vital Platform

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2. Optimise CBTC benefitsvia integration with

other Mass Transit Systems


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In modern systems, radio and data communications assured by two independent

networks: a signalling network and a non-signalling network

New wireless broadband technologies enable unified communication

networks with data flow segregation and prioritisation

Integrate other systems through CBTCCommunication networks


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allows prioritisation and segregation of the data flow.

It allocates resources defining:

Guaranteed Bit Rate

Prioritisation level

Profile (class) of Quality of Service

Fire Alarms

Rolling Stock system alarms (brakes, power system, air conditioning)

End-customers experience:

− Additional broadband for Mobile communication (re-selling)

− Entertainment (internet, TV)

Integrate other systems through CBTCUnified signalling communication networks: converging vital & non vital data

More QoS level than other wireless technology to meet the urban multi service requirements

Other possible applications: On Board data


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Case Study


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Daegu Metro – South KoreaTuesday morning, February 18th, 2003

9:48 am:

Kim Dae-Hwan, 56, an unemployed taxi driver with serious mental disorders, boards

train 1079.

He brings a milk carton, filled with a flammable liquid and a lighter.

9:52 am:

Train 1079 stops at Joongang station.

During the stop, Kim ignites and throws the milk carton

This incident caused 130 injuries and 134 casualties of which only 12

were onboard the train. Why?


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The operator in the Emergency Control Room (equipped with CCTV):

9:54 am:

1. decides to cut the traction power at platform area

2. turns off the lighting of the station (passengers found the platform full of smoke and dark).

9:55 am:

3. activates the ventilation system (not enough to disperse

the smoke)

4. reports the fire to authorities, but

5. does not report the fire to the Operational Control Centre

of the subway nor to other trains.

Daegu Metro – South KoreaIn the Emergency Control Room


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09:56 am:

With its route correctly set by the ATS and validated by the Interlocking, another train,

number 1080, departs from the previous station towards Joongang station

Without knowledge of the fire, the driver of train 1080 arrives at the station, sees the fire

and informs the passengers to remain calm.

Train 1080 catches fire immediately

At this point the driver of train 1080:

1. tries to restart the train again, but the traction power has been cut.

2. panics and escapes from the train, taking the train key with him.

3. the key withdrawal causes the train doors to close, leaving passengers trapped inside ...

Daegu Metro – South KoreaOn the tracks


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Rescuers found four of the six cars of train 1080 with the doors closed.

90% of the casualties were found in these cars.

Sources: Korea Times and BBC.

Daegu Metro – South KoreaOn the tracks


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What if systems had been integrated through the CBTC DCS?


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Fire detection alarm activated

No route set for any train to the

station on fire

What if the Fire Detection system was integrated with the Interlocking?

DCS


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Evacuate area !

PIS – Passenger Info System

What if the Fire Detection system was integrated with PIS?

Passengers could be aware of the situation sooner.

Emergency Exits could be displayed helping passengers to find a way out.


DCS


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Tunnel ventilation system

disperses smoke

What if the Fire Detection system was integrated with the Ventilation System?


DCS


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Data messages

(SMS) warning about

the fire could be

quickly sent to the

station staff mobile

phones.

What if the Fire Detection system was integrated with staff mobile phones


DCS

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3. Optimise CBTC benefits via integration with

Intelligent Transportation Systems


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Industrial Internet … opening new possibilities


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Connected Informed Mobile/Accessible

Smart machines1 Big data & analytics2 Solutions for

Customers3

Connectivity

(vital & non-vital)

Collecting data and

communicating

Apply advanced

analytics Deliver intelligent info to

make decisions

Improve operational &

asset performances

Real-time data delivery

++

Industrial Internet enables ultimate integration to deliver Intelligent Transportation Services

Tailored delivery of relevant

information

Vision of the “Rail Industrial Internet”


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Industrial Internet - Video


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ConclusionsTakeaways

1. System integration enhances CBTC benefits

2. System integration can be enabled by CBTC to create

more Intelligent Transportation Services.

3. Integration is necessary and can save lives

4. Connected machines and data analytics can lead to

increased efficiencies throughout the supply chain


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Aaron Fraser, GE Transportation - Optimising the potential benefits of CBTC through system...

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