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