parsons brinckerhoff 1 cbtc standardization can it be achieved ? railway age status report may, 1997...

Parsons BrinckerhoffParsons Brinckerhoff

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CBTC Standardization Can it be Achieved ?

Railway Age Status ReportMay, 1997May, 1997

T. J. SullivanT. J. SullivanSenior Engineering ManagerSenior Engineering Manager

PB Transit & Rail SystemsPB Transit & Rail Systems


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Presentation OverviewPresentation Overview

Background of TCRP/IEEE Standards ProcessBackground of TCRP/IEEE Standards Process

On Board Communications StandardsOn Board Communications Standards

IEEE CBTC standards process and progressIEEE CBTC standards process and progress

What’s Over the Horizon What’s Over the Horizon


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TCRP 1992 OriginsTCRP 1992 Origins

ISTEA


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Transit Cooperative Research Transit Cooperative Research ProgramProgram

Funds Innovative ResearchFunds Innovative Research

Problem StatementsProblem Statements

Maximum Benefits /returnMaximum Benefits /return


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TCRP Project G4 TCRP Project G4 Developing Standards for System and Subsystem Developing Standards for System and Subsystem

Interfaces in Electric Rail Passenger VehiclesInterfaces in Electric Rail Passenger Vehicles

Founding GroupFounding Group– Thomas J. McGean, PEThomas J. McGean, PE

– LTK EngineeringLTK Engineering

– IEEE VTS & Linda Sue BoehmerIEEE VTS & Linda Sue Boehmer

– TSD Tom SullivanTSD Tom Sullivan

Initial Brainstorming MeetingInitial Brainstorming Meeting– Identified 26 potential areasIdentified 26 potential areas

– Costs and benefits estimatedCosts and benefits estimated

Eight Working Groups FormedEight Working Groups Formed– Open to any interested party - IEEE StandardsOpen to any interested party - IEEE Standards


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Eight Working GroupsEight Working Groups

1 - Communications1 - Communications

2 - CB Train Control2 - CB Train Control

3 - Health Monitoring 3 - Health Monitoring

4 - Safety Standards for Software4 - Safety Standards for Software

5 - VOBC / Propulsion / Brake 5 - VOBC / Propulsion / Brake

6 - Auxiliary Power Systems6 - Auxiliary Power Systems

7 - Vehicle Passenger Information7 - Vehicle Passenger Information

8 - Environmental Standards for Electrical 8 - Environmental Standards for Electrical EquipmentEquipment


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Eight Working GroupsEight Working Groups

1 - Communications1 - Communications 2 - CB Train Control2 - CB Train Control 3 - Health Monitoring 3 - Health Monitoring

4 - Safety Standards for Software 5 - VOBC/Propulsion/Brake5 - VOBC/Propulsion/Brake 6 - Auxiliary Power Systems6 - Auxiliary Power Systems 7 - Vehicle Passenger Information7 - Vehicle Passenger Information

8 - Environmental Standards8 - Environmental Standards


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Communications NetworkCommunications Network

CB Train ControlCB Train Control

Health Monitoring Health Monitoring

VOBC/Propulsion/BrakeVOBC/Propulsion/Brake

Auxiliary Power SystemsAuxiliary Power Systems

Vehicle Passenger InformationVehicle Passenger Information


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Communications NetworkCommunications Network

CB Train ControlCB Train Control

Health Monitoring Health Monitoring

VOBC/Propulsion/BrakeVOBC/Propulsion/Brake

Auxiliary Power SystemsAuxiliary Power Systems

Vehicle Passenger InformationVehicle Passenger Information

RADIO

MODEM


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WG 1 Communcations ProtocolsWG 1 Communcations ProtocolsChair: Bob Anderson, Chair: Bob Anderson, Harmon IndustriesHarmon Industries

Exhaustive search for candidate systemsExhaustive search for candidate systems Initial list reduced to two viable alternativesInitial list reduced to two viable alternatives Both were selected as a standardBoth were selected as a standard Both can potentially interoperateBoth can potentially interoperate Either will do the jobEither will do the job Most successful working group and Most successful working group and

potentially could be as significant as WG2 potentially could be as significant as WG2


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Draft Communications StandardsDraft Communications Standards

IEEE P 1473.1IEEE P 1473.1– LONWORKS™LONWORKS™ Communications Protocol Communications Protocol» NYC Transit new subway cars (200 subway cars/year)NYC Transit new subway cars (200 subway cars/year)

» AAR’s ECP Brake Program (1,000,000 box cars?)AAR’s ECP Brake Program (1,000,000 box cars?)

» 2 million nodes sold worldwide, >1500 OEMs2 million nodes sold worldwide, >1500 OEMs

– Cost effective, general purpose real-time networkCost effective, general purpose real-time network

IEEE P 1473.2IEEE P 1473.2– IEC Train Communications NetworkIEC Train Communications Network

– Special purpose real time network for rail systemsSpecial purpose real time network for rail systems»ADTranz, Siemens, Ansaldo, UITP, etc.ADTranz, Siemens, Ansaldo, UITP, etc.

– High performance, more expensive than P 1473.2High performance, more expensive than P 1473.2


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Train Communication NetworkTrain Communication Network


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IEEE P 1473.1 NodeIEEE P 1473.1 Node

Two sources for silicon Two sources for silicon – Motorola and ToshibaMotorola and Toshiba

OPEN Protocol OPEN Protocol Extensive PC-based Extensive PC-based

Development Tools Development Tools Modules available from Modules available from

Echelon and many othersEchelon and many others ““C” Like LanguageC” Like Language

enhanced with “when” enhanced with “when” statementstatement


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P1473.1 Programming Example #1P1473.1 Programming Example #1

whenwhen (doors = (open)) { brakes = ON } ; (doors = (open)) { brakes = ON } ;

equivalent functionequivalent function

DOOR SENSOR

BRAKESYSTEMB+


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P1473.1 Programming Example #2P1473.1 Programming Example #2

whenwhen (loadweigh=AW3)(loadweigh=AW3)

{ Display (Pelham 123 = (Full))} ; { Display (Pelham 123 = (Full))} ;

PELHAM 148

20 MPH

POSSIBLE CONTROL CENTER GRAPHICSHOWING HEAVILY LOADED PELHAM 123

PELHAM 123


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LONWORKS and Vehicle CBTCLONWORKS and Vehicle CBTC

Propulsion / BrakeTractive Effort P-Signal

Tachometers

Train Door Systems

EMERGENCY BRAKE

PWM, ANALOGOR SERIAL

IEEE P1473.1 P W M

P W M

ACTIVE TOGGLE

ONE $5LONWORKS

NEURONI.C.

(THREE 8-BIT

MICROPROCESSORS)

SPAREI/O

WAYSIDE TAG READER

SERIAL“UPLOADABLE” APPLICATION

PROGRAM( EEPROM )

FREQUENCY


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WG-2 ParticipantsWG-2 Participants((Chairs: David Rutherford & Tom Sullivan)Chairs: David Rutherford & Tom Sullivan)

Good ParticipationGood Participation– Major signal suppliers Major signal suppliers senior technical expertssenior technical experts

– AAR, FRA, FTAAAR, FRA, FTA

– ConsultantsConsultants

– Some Communications Some Communications and Radio Suppliers and Radio Suppliers

Weak ParticipationWeak Participation– Transit PropertiesTransit Properties((ExceptExcept NYC Transit) NYC Transit)

– Industry “Deal Makers”Industry “Deal Makers”


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WG 2WG 2Activities and ObjectivesActivities and Objectives

DefinitionDefinition– Continuous bi-directional communicationsContinuous bi-directional communications

– Does not require track circuits Does not require track circuits

Two Basic PhilosophiesTwo Basic Philosophies– Vehicle Centric Vehicle Centric

– Wayside Centric Wayside Centric

Interoperability ObjectivesInteroperability Objectives


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Signal Suppliers’ CBTC ProductsSignal Suppliers’ CBTC Products

SignalCompany

Product Technical ContactAnnounced Radio

Supplier

Alcatel Seltrac John Brohm (In-service products use aninductive loop)

ADtranz Signaling Flexiblock Chuck Gibson Andrew

Ansaldo/US&S Microblock John Paljug

GEC Alsthom SACEM II Guillaume Delmas

Harmon Industries UltraBlock Mark Fanara

Safetran Systems Utilicom

SASIB Railway GRS

Team Atlas Bill Petit Watkins Johnson

Siemens /Matra Transport

Uwe Berg (1+916.688.5014)

Westinghouse UK

Please send revisions and additions to Tom Sullivan

[Top]


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Radio and Signal Supplier AlliancesRadio and Signal Supplier Alliances

Radio Supplier ProductModulation -

InterfaceStatus Contact

Signal SupplierAffiliation

Utilicom/Safetran Long Ranger

2.4 GHz DSSS -IEEE P1473.1

Production Safetran

Andrew Model 2400

2.4 GHz DSSS -RS-530

Prototypes Don Johnston ADtranz

Raytheon/Hughes EPLRS2.4 GHz DSSS -IEEE P1473.1

Production Marv Swenson

Telephonics Paulian Moscovici

Watkins Johnson WJ-8850

2.4 GHz DSFH -RS-422

Prototypes Brad WynneSASIB RailwayGRS


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Spread Spectrum SpectrumSpread Spectrum Spectrum


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How much bandwidth is Needed?How much bandwidth is Needed?

Information updates: 1-4 times/sec (transit)Information updates: 1-4 times/sec (transit) SELTRAC - “Wayside Centric System”SELTRAC - “Wayside Centric System”

– sub 60 second capability (worst case poll 1/sec)sub 60 second capability (worst case poll 1/sec)

– 1200 bits/sec from wayside to train (70 data bits)1200 bits/sec from wayside to train (70 data bits)

– 600 bits/sec from train to wayside (31 data bits)600 bits/sec from train to wayside (31 data bits)

You can neverYou can never– be too richbe too rich

– be too thinbe too thin

– or have too muchor have too much communications bandwidth communications bandwidth


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Issues working against StandardizationIssues working against Standardization

Corporate Greed and Egos Corporate Greed and Egos TraditionTradition Non-technical concessions requiredNon-technical concessions required Many technical detailsMany technical details IEEE Standards require 75% to agreeIEEE Standards require 75% to agree


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Issues working for StandardizationIssues working for Standardization

NYCT’sCanarsie

Line

TCRP- G4The Only Forum

to discussStandards

Separate Radio from

Train Control

CorporateCommittment to Standards


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SummarySummary

Communications is, and will, drive everythingCommunications is, and will, drive everything The “PCC” meeting for CBTC has yet to occur The “PCC” meeting for CBTC has yet to occur SynergySynergy

– NYCT Drives Standardization NYCT Drives Standardization

– TCRP -G4 facilitate this processTCRP -G4 facilitate this process

Transit Property participation is strongly Transit Property participation is strongly encouraged in TCRP G4 Programencouraged in TCRP G4 Program


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Standardized Communication Networks Standardized Communication Networks – TCP/IP, LONWORKS, JAVATCP/IP, LONWORKS, JAVA

Internets --> Intranets --> InfranetsInternets --> Intranets --> Infranets

New York will drive CBTC standardization in USNew York will drive CBTC standardization in US TCRP -G4 & IEEE will facilitate standardizationTCRP -G4 & IEEE will facilitate standardization End users will demand safe, non-stop systemsEnd users will demand safe, non-stop systems

Over the HorizonOver the Horizon


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For More InformationFor More Information

CBTC Web PageCBTC Web Page– www.tsd.orgwww.tsd.org

– Eight TCRP Working GroupsEight TCRP Working Groups

– CBTC Projects worldwideCBTC Projects worldwide

CBTC Internet mailing listCBTC Internet mailing list– Send a message to: [email protected] a message to: [email protected]

– Ask to be placed on the listAsk to be placed on the list

– Enter name, address, and briefEnter name, address, and brief biographic info. biographic info.

parsons brinckerhoff 1 cbtc standardization can it be achieved ? railway age status report may, 1997...

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