1. On-Board ETCS Laboratory Testing Tools
14-15 Oct. 2015
Jaizki Mendizabal
jmendizabal@ceit.es
Balise Evaluation Tool

2. · 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

3. What kind of testing is required?
· Concept
· Design
· Validation
· Certification
Field testing
Lab. testing
Testing - Life cycle
3
· Commisioning
· Operation
· Decommisioning

4. · Field testing
· Zero on-site testing
· laboratory testing
· virtual testing
Field testing
Zero on-site testing
Field testing - Zero on-site testing
4

5. Spot transmission system:
• balises
• air-gap
• BTM
Balise
Transmission
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

6. BTM AN
BET
BTM
function
Balise Evaluation Tool (BET)
6
Balise
Air-gap
BTM
Balise Evaluation
Tool

7. 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 signal
Balise Evaluation Tool (BET)
7

8. Balise Evaluation Tool (BET)
BTM
On-board BTM model
· analogue and digital blocks
· reference (SUBSET-036)
· configuration comparison
· performance evaluation
· degradation
· system update
8

9. Air-gap
Balise
BTM
Air-gap
Noise/interferers
· standards
· user defined (Gaussian white noise, pink noise, CW,…)
· EM simulations
· laboratory testing
· field testing
9
Balise Evaluation Tool (BET)

10. Noise/interferers
· Specification SUBSET 036 v2.4.1 (2007)
· Specification SUBSET 036 v3.0.0 (2012)
Air-gap
SUBSETS
10
Balise Evaluation Tool (BET)

11. · testing methodology
· signal database
· balise
· noise
· interferers
Balise Evaluation Tool (BET)
11
Field testing

12. Balise Evaluation Tool (BET)
12
UNISIG
EMC Detection
Proposal for
changes in
detection and
evaluation of
traction noise

13. Dual detector operating in parallel
RMS integration detector (T = 1 µs)
ABS value averaging detector, (T = 50 µs)
Balise Evaluation Tool (BET)
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

14. · noise/interference signals
· optimal antenna location
Balise Evaluation Tool (BET)
14
EM simulations

15. 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
Balise Evaluation Tool (BET)
15

16. RF
Amplifier
BTM AN
Current
sense
balun
RSG
BET
LAB
Balise signal
Noise/interferer signal
Balise Signal + Noise/interferer signal
B) BTM function
A) BTM
function
Balise Evaluation Tool (BET)
16
Laboratory testing
SUBSET-085 Test specification for Eurobalise FFFIS

17. Balise Evaluation Tool (BET)
17
Laboratory
testing
Susceptibility
tests
Balise Signal
[S036]
Noise Signal
BTM AN
BTM
function
Balise Signal
[S036]
Noise
Signal
BTM AN
BTM
function
Balise Signal
[S036]
Noise
Signal
BTM AN
BTM
function
1
Signal sent by reference loop includes
noise and balise signals
3
Balise signal sent by reference loop and
Noise included between after BTM AN
2
Balise and noise signal sent to the
ariiap by means of separated loops
(SUBSET-116)
Balise Signal
[S036]
Noise Signal

18. 1
Signal sent by reference loop includes
noise and balise signals
SIGNAL GENERATOR
Balise + Noise Signal
POWER
AMPLIFIER
balunRef
Loop
MFP
SPECTRUM
ANALYSER
DATA ACQ.
MODULE
LAPTOP
(BET)
PROPOSED METHODPROPOSED METHODPROPOSED METHODPROPOSED METHOD
EUROBALISE ONEUROBALISE ONEUROBALISE ONEUROBALISE ON----BOARD EQUIPMENTBOARD EQUIPMENTBOARD EQUIPMENTBOARD EQUIPMENT
SUSCEPTIBILITY TESTSUSCEPTIBILITY TESTSUSCEPTIBILITY TESTSUSCEPTIBILITY TEST
Noise/interferers injection
Laboratory testing
Balise Evaluation Tool (BET)
18

19. ON BOARD
INDUSTRIAL
EQUIPMENT
TIU
EURORADIOBTM
STM
JRU ODODMI
DRIVER
OR
EMULATOR
LOOP
EURORADIO COM.
SIMULATOR
RCS
FFFIS (wired)
ETCS L2 TRACKSIDE
SIMULATOR
L2TS
EUROLOOP SIGNAL
GENERATOR
LSG
FFFIS
ETCS LEVEL STM
TRACKSIDE SIMULATOR
LSTMTS
STM CODING &
COMMUNICATION
STMCC
FFFIS
FFFIS
DATA EXCHANGE
ETCS L1 TRACKSIDE
SIMULATOR
L1TS
EUROBALISE SIGNAL
GENERATOR
BSG
FFFIS
SCENARIO
CONTROLLER
SC
MODULE EVENT RECORDER
MER
SCENARIO
GENERATOR
SG
JRU DOWNLOAD
EVALUATION MODULE
DEM
TRIP ANALYSIS &
VALIDATION
TAV
DMI EVENT
RECORDER
DER
SPEED SENSOR
SIMULATOR
SSS
SPEED
TIU
Signals
TIU
SIMULATOR
TIUS
ODO
ADAPTOR
TIU
ADAPTOR
TRAIN MOTION
SIMULATOR
TMS
Air gap is used
Equipment to be tested
Laboratory Modules
ADAPTOR FFFIS
ADAPTOR FFFIS
PROPOSED METHODPROPOSED METHODPROPOSED METHODPROPOSED 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

20. Laboratory reference architecture
OBU reference model
Virtual testing
20
OBU testing
BET
BET

21. 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
RSSL@ceit.es
Telephone: (+34) 943 212800
Fax: (+34) 943 213076
www.ceit.es
Researching today,
creating the future
Jaizki Mendizabal
jmendizabal@ceit.es