Balise Evaluation Tool

On-Board ETCS Laboratory Testing Tools

14-15 Oct. 2015

Jaizki Mendizabal

[email protected]

Balise Evaluation Tool

· Testing - Life cycle

· Field testing - Zero on-site testing

· Balise Evaluation Tool (BET)

· laboratory/virtual testing

· EMC, availability, safety, …

· OBU testing

Agenda

On-Board ETCS Laboratory Testing Tools

2

What kind of testing is required?

· Concept

· Design

· Validation

· Certification

Field testingLab. testing

Testing - Life cycle

3

· Commisioning

· Operation

· Decommisioning

· Field testing

· Zero on-site testing

· laboratory testing

· virtual testing

Field testingZero on-site testing

Field testing - Zero on-site testing

4

Spot transmission system:

• balises

• air-gap

• BTM

BaliseTransmission

Module (BTM)

Case study: Balise Transmission Module (BTM)

BTM AN

BTM function

Balise

Air-gap

BTM

BTM

Air-gap

5

Balise

Signals:

• tele-powering

• up-link

BTM AN

BET

BTM function

Balise Evaluation Tool (BET)

6

Balise

Air-gap

BTM

Balise EvaluationTool

Source · standard (SUBSET-036, SUBSET-085)· field testing· laboratory testing· user defined

Configuration· speed · balise type· debris · power· MTIE · mean data rate· jitter · frequencies

Quality evaluation (SUBSET-085)· frequencies· power· SNR· mean data rate· MTIE· jitter

Balise signalBalise Evaluation Tool (BET)

7


BTMOn-board BTM model

· analogue and digital blocks

· reference (SUBSET-036)

· configuration comparison

· performance evaluation

· degradation

· system update

8

Air-gap

Balise

BTM

Air-gap

Noise/interferers

· standards

· user defined (Gaussian white noise, pink noise, CW,…)

· EM simulations

· laboratory testing

· field testing

9


Noise/interferers

· Specification SUBSET 036 v2.4.1 (2007)

· Specification SUBSET 036 v3.0.0 (2012)

Air-gapSUBSETS

10


· testing methodology

· signal database

· balise

· noise

· interferers


11

Field testing


12

UNISIG EMC Detection

Proposal for changes in

detection and evaluation of

traction noise

Dual detector operating in parallel

� RMS integration detector (T = 1 µs)

� ABS value averaging detector, (T = 50 µs)


13

UNISIG EMC Detection

Proposal for changes in

detection and evaluation of

traction noise

MFP

Noise signal

Filter

Peak sensing device

20 dB Attenuation

1 and 50 µs Detector

20 dB Amplifier

· noise/interference signals

· optimal antenna location


14

EM simulations

Availability

· balise passages with error free telegrams > 106

· false balise detection < 10-3 times per hour.

Fault injection

air-gap balise

interface ‘C’ LEU

programming on-board transmission equipment

RAMS


15

RF Amplifier

BTM AN

Currentsensebalun

RSG

BET

LAB

Balise signal

Noise/interferer signal

Balise Signal + Noise/interferer signal

B) BTM functionA) BTM function


16

Laboratory testingSUBSET-085 Test specification for Eurobalise FFFIS


17

Laboratorytesting

Susceptibilitytests

Balise Signal[S036]

Noise Signal

BTM AN

BTM function

Balise Signal[S036]

NoiseSignal

BTM AN

BTM function

Balise Signal[S036]

NoiseSignal

BTM AN

BTM function

1 Signal sent by reference loop includesnoise and balise signals

3 Balise signal sent by reference loop and Noise included between after BTM AN

2 Balise and noise signal sent to theariiap by means of separated loops(SUBSET-116)

Balise Signal[S036]

Noise Signal

1 Signal sent by reference loop includesnoise and balise signals

SIGNAL GENERATORBalise + Noise Signal

POWER AMPLIFIER

balunRefLoop

MFP

SPECTRUM ANALYSER

DATA ACQ.MODULE

LAPTOP(BET)

PROPOSED METHOD PROPOSED METHOD PROPOSED METHOD PROPOSED METHOD

EUROBALISE ONEUROBALISE ONEUROBALISE ONEUROBALISE ON----BOARD EQUIPMENTBOARD EQUIPMENTBOARD EQUIPMENTBOARD EQUIPMENT

SUSCEPTIBILITY TESTSUSCEPTIBILITY TESTSUSCEPTIBILITY TESTSUSCEPTIBILITY TEST

Noise/interferers injectionLaboratory testing


18

ON BOARDINDUSTRIALEQUIPMENT

TIU

EURORADIOBTM

STM

JRU ODODMI

DRIVEROR

EMULATOR

LOOP

EURORADIO COM.SIMULATOR

RCS

FFFIS (wired)

ETCS L2 TRACKSIDESIMULATOR

L2TS

EUROLOOP SIGNALGENERATOR

LSG

FFFIS

ETCS LEVEL STMTRACKSIDE SIMULATOR

LSTMTS

STM CODING &COMMUNICATION

STMCC

FFFIS

FFFIS

DATA EXCHANGE

ETCS L1 TRACKSIDESIMULATOR

L1TS

EUROBALISE SIGNALGENERATOR

BSG

FFFIS

SCENARIOCONTROLLER

SC

MODULE EVENT RECORDERMER

SCENARIOGENERATOR

SG

JRU DOWNLOADEVALUATION MODULE

DEM

TRIP ANALYSIS &VALIDATION

TAV

DMI EVENTRECORDER

DER

SPEED SENSOR SIMULATOR

SSSSPEED

TIU Signals

TIUSIMULATOR

TIUS

ODOADAPTOR

TIUADAPTOR

TRAIN MOTIONSIMULATOR

TMS

Air gap is used

Equipment to be tested

Laboratory Modules

ADAPTOR FFFIS

ADAPTOR FFFIS

PROPOSED METHOD PROPOSED METHOD PROPOSED METHOD PROPOSED METHOD

EUROBALISE ONEUROBALISE ONEUROBALISE ONEUROBALISE ON----BOARD EQUIPMENTBOARD EQUIPMENTBOARD EQUIPMENTBOARD EQUIPMENT

SUSCEPTIBILITY TESTSUSCEPTIBILITY TESTSUSCEPTIBILITY TESTSUSCEPTIBILITY TEST

SUBSET-094 v.2.0.2 reference test architecture for ETCS OBU (2009)

SUBSET-094 v.3.0.0 reference test architecture for ETCS OBU (2014)

Laboratory testing

OBU testing

19

BET

BET

Laboratory reference architecture

OBU reference model

Virtual testing

20

OBU testing

BET

BET

Ibaeta Building

Paseo de Manuel Lardizabal, Nº 15

20018, Donostia - San Sebastián

SPAIN

Miramon Building

Parque Tecnológico de San Sebastián

Paseo Mikeletegi, Nº 48

20009, Donostia - San Sebastián

SPAIN

Railway Signalling Systems Labpratory

[email protected]

Telephone: (+34) 943 212800

Fax: (+34) 943 213076

www.ceit.es

Researching today, creating the future

Jaizki Mendizabal

[email protected]

Engineering

Balise Evaluation Tool