openETCS: An evolution to formalized
specification for non-interpretable application
supported by:
openETCS@ITEA2 Project
Klaus-Rüdiger Hase
Istanbul, 01-03.04.2014
Objectives and major expected Outcomes
1
Model based
Development Framework
Software Tools
Set of Tools
Objectives
2
Formal
Specification
2014: openETCS Open License Terms apply
3
Reference Unit
ETCS
SRS
“Prosa”
Open Formal
openETCS
Specification
Human
Factor
Human
Factor
Human
Factor
Human
Factor
“Many eyes
make all bugs shallow”
Linus’ Law:
EVC
EVC
EVC
EVC
Vehicle
Equipment 1
Vehicle
Equipment 2
Vehicle
Equipment 3
Vehicle
Equipment 4
2014: openETCS Open License Terms apply
openETCS @ ITEA2 Project
Phases
I (2011)
II (2012-2013)
III (2014-2015)
ITEA2
Project
Prepare
Project Management / Governance
Funded by:
Organization
VI (2016-2020)
openETCS
Option Call
openETCS Foundation e.V.
M1
M2
M3
M4
M5
M6
SW Tools
Basics
(semi) Formal Specification
Interfaces: STI / API
openETCS Reference OBU
Implementation
„Track Use Cases“
TCSim Prototype
openETCS@ITEA2-Projekt
2014: openETCS Open License Terms apply
http://www.openETCS.org
https://github.com/openETCS
2014: openETCS Open License Terms apply
D7.1
ToolsResults
Chain
Results
2014: openETCS Open License Terms apply
Key results: openETCS Tools Chain (1)
 git on GitHub
 Eclipse Modeling Framework
 ProR
 SysML + Papyrus
semi-formal specification & modelling
Artefacts  “openETCS Open License Terms”
2014: openETCS Open License Terms apply
Key results: openETCS Tools Chain (2)
Result of our OSS Tools “Market” research:
 SysML- compatible strict formal Tools not yet in OSS
 “Formal Spec.” & “Ref. OBU SW” cannot wait !
 Start with
SCADE
input from Papyrus
• Certified for CENELEC EN50128 SIL 4 development
• Widely accepted in industry (avionics, rail, process control)
• “Lustre”: Synchronous data flow programming language
 Migration plan CSS  OSS via
2014: openETCS Open License Terms apply
Long
German
Term
ATP
Availability
System
(PZB):
of Software
1934 …Tools?
2050 ?
Members
of
the
Eclipse
Foundation
TOPCASED sustainability thanks OSS
Very Long Term
Support
Years
Years
?
2014: openETCS Open License Terms apply
SW
SCRUMModels
Phase
CENELEC
EN 50128 V Model &ETCS
RoleOBU
Model
SRCUM
SIL 4 Software Development
Sprint
Agile
vs.
2…4
Process
Waterfall & V-Model:
30% … 80% R&D
Innovation
Savings
Weeks
Incremental step by
step development in
2-4 weeks sprints by
self-managed teams.
~45% probability of projects failing 
2014: openETCS Open License Terms apply
Classic CENELEC V Model  Agile V
EN 50128:2011
- 23 -
Model
Project
InitializationSprint
& Monitoring
SRS: Sprint
Back Log
2…4
Design Rules
Weeks
Tools
2014: openETCS Open License Terms apply
“openIT4SR” Follow-up Project
openETCS + open Corridor Legacy Systems
Parameters
other
open
class
B
ETCS
PZB
ATB
SCMT
SW building blocks:
ETCS
ETCS+PZB
ETCS+PZB+ATB
ETCS+PZB+ATB+SCMT
(Corridor Package)
Outlook
FFFIS
openSTM
EVC
Vehicle Equipment
2014: openETCS Open License Terms apply
API
HW
openETCS Project Schedule Overview
Phases
I (2011)
Prepare
II (2012-2013)
III (2014-2015)
VI (2016-2018)
Project Management / Governance
Organization
openETCS Foundation e.V.
openETCS
Option Call
M1
M2
M3
M4
M5
M6
(semi) Formal Specification
openETCS Reference OBU
 ERA, EUG, Railways
Commercializing
„Track Use Cases“ Adoption ERTMS Users Gr.
TCSim Prototype
openETCS@ITEA2-Projekt
2014: openETCS Open License Terms apply
M9
Goal:  New Industrial Standard
Interfaces: STI / API
Implementation
M8
Commercializing
SW Tools
Basics
M7
Commercializing
That
If
youwas
are itinterested
…
in our work …
It’s open!
Thank you very much
Youfor
can
join
at
any
time!
your attention.
www.openETCS.org
 ProjectOffice@openETCS.org
2014: openETCS Open License Terms apply