SUBSET041 v310revmarks.docx
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SUBSET041 v310revmarks.docx
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SUBSET041v310revmarks
ERTMS/ETCS
PerformanceRequirementsforInteroperability
REF:
SUBSET-041
ISSUE :
3.1.0
DATE:
01/03/12
Company
TechnicalApproval
Managementapproval
ALSTOM
ANSALDO
BOMBARDIER
INVENSYS
SIEMENS
THALES
ModificationHistory
IssueNumber
Date
SectionNumber
Modification/Description
Author(s)
0.0.1
14.09.1999
All
Creation
AngeloChiappini
0.0.2
10.11.1999
All
Firstreview
AngeloChiappini
0.0.3
18.01.2000
All
ReviewaccordingtoSRSver.2.0.0andreceivedcomments
AngeloChiappini
0.0.4
11.02.2000
All
Reviewafter8Februarymeeting
AngeloChiappini
0.0.5
23.02.2000
All
Reviewafter22Februarymeeting
AngeloChiappini
0.1.0
24March2000
All
UpdateafterdiscussionwithECSAG
AngeloChiappini
2.0.0
30March2000
5.3.1.1
FinalissuetoECSAG
U.D.(ed)
2.0.1
15-11-2005
All
UpdatesuptoandincludingSGmeeting15.11.2005
Ado
2.1.0
30.11.2005
All
Finalissue
Ado
3.0.1
13/06/11
Seetrackedchanges
FirstdraftforBaseline3
LR
3.0.2
20/06/11
5.2.1.10/11/12/13
5.3.1.3
UpdatedasperSGmeeting17/06/11decisions
LR
3.0.3
19/07/11
Template
3.1.1.2
3.1.1.8
5.2.1.10
UpdatedasperSGmeeting19/07/11decisions
LR
3.0.4
21/07/11
3.1.1.2
5.2.1.10/11/12/13
UpdatedasperSGmeeting20/07/11decisions
LR
3.0.5
28/02/12
3.1.1.2/3
5.2.1.6
5.2.1.10/11/12
5.2.1.13(new)
5.3.1.1
UpdatedasperjointmeetingERA/EEIG/SG14/02/12decisions.
AddedCRs977and1135.
Modificationsto5.3.1.1asjustifiedin“coverCR”1093.
LR
3.1.0
01/03/12
-
Baseline3releaseversion
LR
TableofContents
Introduction
1.1.1.1ThisdocumentcontainsananalysisoftherequiredtechnicalperformancesofERTMS/ETCSequipmentthatarerelevantforinteroperability.
1.1.1.2Thismeansthatonlycharacteristicsmeetingthetwofollowingcriteriaaretakenintoaccount:
a)theymustbelinkedtoeventsthathappenoninteroperableequipmentinterfaces.Thisgenerallymakesitpossibletomeasurethecorrespondingtechnicalperformanceatsuchinterfaces.(Exceptionsareclockaccuracy,ageofpositionmeasurementforpositionreportingandodometricperformances,forwhichthesupplierwillindicatesuitableproceduresfordemonstrationthatareinanycaseoutsidethescopeofthisdocument);
b)theymustberelevantfortheacceptabilityofatrainonagivenline.
1.1.1.3AccordingtoSRS(SUBSET-026)chapter2,theinteroperableinterfacesare:
a)theDMI(ERA_ERTMS_015560);
b)thetraininterface(SUBSET-034);
c)intentionallydeleted;
d)theEurobaliseairgap(SUBSET-036);
e)theEuroloopairgap(SUBSET-044);
f)theGSM-RMobile–Euroradiointerface(A11T6001,SUBSET-037);
g)theGSM-Rfixednetwork–RBCinterface(SUBSET-037);
h)theRBC-RBCinterface(SUBSET-039,SUBSET-098).
1.1.1.4Proceduresforthedemonstrationofachievementofperformancesarenotinthescopeofthisdocument.
1.1.1.5RAMSrequirementsarenotinthescopeinthisdocument.
1.1.1.6Onlylevels0,1,2and3areconsideredinthisdocument.
1.1.1.7Intentionallydeleted.
1.1.1.8PerformancerequirementsinlevelNTCwillbeaccordingtothecorresponding“national”systemandarenotconsideredhere(incasetheERTMS/ETCSon-boardequipmentisinterfacedtotheNationalSystemthroughanSTM,refertoSUBSET-059“PerformanceRequirementsforSTMs”).
1.1.1.9Chapter4containsanexampletoclarifythecriteriausedtoidentifyperformancerequirementsrelevantforinteroperability.
1.1.1.10Chapter5containsthelistofperformancerequirementsandtheirvalues.
ClarificationofCriteria
1.1.1.11ThischaptercontainsconsiderationstomakeclearwhichcriteriawerefollowedtoidentifytechnicalperformancerequirementsofERTMSequipmentwhicharerelevantforinteroperability.
1.1.1.12Thestartingpointis,obviously,thefactthatERTMSmustallowtheachievementofoperationalperformancesoftherailwaytransportationsystem,whereitisinstalled.
1.1.1.13Inanycase,suchoperationalperformancesdonotdependonlyonERTMS:
theirachievementisingeneralrelatedtovariousfactors,e.g.:
a)Physicalcharacteristicsofthetrackside,suchasgradients
b)Designofthetracksidesignalling,suchasblocklength,spacingofbalisegroups,etc.
c)Qualityofinstallation,suchasaccuracyofpositioningofbalisegroups
d)Traincharacteristics,suchaslength,brakingcapability,etc.
e)Technicalperformancesofnon-ERTMSequipment,suchasresponsetimeoftraindetectionequipment,delayofmessagesinGSM-Rnetwork,etc.
f)AccuracyofinformationusedbyERTMSequipment,suchasresolutionofvariables
g)TechnicalperformancesoftheERTMSequipment,suchasresponsetimes,accuracyoflocationfunctions,etc.
1.1.1.14Considering,forinstance,theaccuracyofsupervisionoftheEOA,itisaffectedby:
a)Knowledgeofthetrainposition(withrespecttotheLRBG),dependingontheaccuracyoftrainpositionensuredbytheERTMSon-boardequipmentandonthespacingofbalisegroups(designoftracksidesignalling)
b)KnowledgeofthedistancetotheEOA,dependingonresolutionandaccuracyofdistancesgivenintheMAmessagesandonaccuracyofbaliseinstallation
c)Knowledgeoflinegradients,dependingonresolutionandaccuracyofinformationinprofilemessages
d)AccuracyofthetrainspeedmeasuredbytheERTMSon-boardequipment
e)Accuracyofbrakingmodelandparameters,(i.e.,accuracyofthemodellingofthetrain)
1.1.1.15OnlytechnicalperformancerequirementsrelatedtocharacteristicsofERTMSequipmentandrelevantforinteroperabilityareconsideredinthisdocument:
forthemlimitvalues,accordingtothestate-of-the-artoftechnologicalsolutions,aregiven.
1.1.1.16Otherfactors,relatedtophysicalcharacteristicsofthelineorthetrain,designoftracksidesignalling,accuracyofinstallationormodellingofthetrain,areoutofthescope.
ValuesforTechnicalPerformances
Generalconsiderations
1.1.1.17ThefollowingtablessummarisethepossiblevaluesfortechnicalperformancerequirementsofERTMSon-boardequipment.Foreachofthemfeasibilitylimitsareindicated.
1.1.1.18Technicalperformancerequirementsimplyingresponsetimesaredefinedaccordingtoastarteventandastopeventwhichcanbeobservedoninteroperableinterfaces.
1.1.1.19Ifthestarteventdefiningtheperformanceisthereceivingofamessagebytheon-boardERTMSequipment,thevalueisvalidiftheactionsduetopreviouslyreceivedmessagesarecompleted(e.g.,emergencybrakeordercompletelyissued,communicationsessionestablished,indicationtodriverupdated).
1.1.1.20Iftheendeventdefiningtheperformanceisthesendingofamessagebytheon-boardERTMSequipment,thevalueisvalidifthesendingofpreviousmessagesiscompleted.
1.1.1.21Note:
accordingtoSUBSET-026,incaseofbalisetransmission“telegram”istheinformationsentbyonebaliseand“message”isthewholesetof“telegrams”sentbythebalisesofagroup.
ResponseTimes
1.1.1.22Delaybetweenreceivingofabalisemessageandapplyingtheemergencybrake
Description
delaybetweenreceivingofabalisemessageandapplyingtheemergencybrake
StartEvent
Thereferencemarkoftheon-boardantennaleavingthe“sidelobezone”ofthelastbaliseinthegroup(1.3mfromthereferencemarkofthebalise)
StopEvent
BeginningofissuingofthebrakingorderontheTIU-traininterface
Value
<1sec
Notes
Itisassumedthattheactivationoftheemergencybrakeisrequiredbythemessagecontainedinthebalisegroup.
1.1.1.23Delaybetweenreceivingofabalisemessageandinitiatingacommunicationsessionestablishment
Description
delaybetweenreceivingofabalisemessageandinitiatingacommunicationsessionestablishment
StartEvent
Thereferencemarkoftheon-boardantennaleavingthe“sidelobezone”ofthelastbaliseinthegroup(1.3mfromthereferencemarkofthebalise)
StopEvent
BeginningofsendingoftheconnectionrequesttotheGSM-RmobileEuroradiointerface
Value
<1.5sec
Notes
Itisassumedthattheestablishmentofthecommunicationsessionisrequiredbythemessagecontainedinthebalisegroup.
1.1.1.24Delaybetweenreceivingofabalisemessageandreportingtheresultingchangeofstatuson-board(e.g.,updateofEOA,leveltransition,modechange)
Description
delaybetweenreceivingofabalisemessageandreportingtheresultingchangeofstatuson-board
StartEvent
Thereferencemarkoftheon-boardantennaleavingthe“sidelobezone”ofthelastbaliseinthegroup(1.3mfromthereferencemarkofthebalise)
StopEvent
Indicationtothedriver
Value
<1.5sec
Notes
Itisassumedthatthechangeofstatusisrequiredbythemessagecontainedinthebalisegroup.
Thevalueindicatedinthiscaseincludesadditionaldelayforthedisplayoftheinformation.
1.1.1.25DelaybetweenreceivingofaMAviaradio(bothfromRBCandfromradioin-fill)andtheupdateofEOAon-board
Description
delaybetweenreceivingofaMAviaradio(bothfromRBCandfromradioin-fill)andtheupdateofEOAon-board
StartEvent
ReceptionofthecompleteMAmessageattheGSM-RmobileEuroradiointerface
StopEvent
Indicationtothedriver
Value
<1.5sec
Notes
ItisassumedthattheupdateoftheEOAisrequiredbythemessagereceived.
Thevalueindicatedinthiscaseincludesadditionaldelayforthedisplayoftheinformation.
1.1.1.26DelaybetweenreceivingofaMAfromEuroloopandtheupdateofEOAon-board
Description
delaybetweenreceivingofaMAfromEuroloopandtheupdateofEOAon-board
StartEvent
A)On-boardEuroloopreceiverissynchronised,and
B)AcompleteMAmessagehasbeenreceivedattheEuroloopairgapinterface
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