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Chapter 10. openETCS Model No Power (INITIAL) Stand By Full Supervision Staff Responsible Unfitted Trip Post Trip System Failure Isolation No Power (INITIAL) Stand By Full Supervision Staff Responsible Unfitted Trip Post Trip System Failure Isolation c4-p2 c1-p1 c29-p2 c10-p7 c37-p7, c8-p7 c60-p7 c13-p3 c1-p1 c29-p2 c28-p5 c37-p6 c21-p6 c12-p4, c16-p4, c17-p4, c20-p4, c41-p4, c65-p4, c66-p4 c13-p3 c1-p1 c29-p2 c28-p5 c31-p6, c32-p6 c21-p6 c18-p4, c20-p4, c36-p4, c42-p4, c43-p4, c54-p4, c65-p4 c13-p3 c1-p1 c29-p2 c28-p6 c25-p7 c44-p4 c39-p5, c67-p5 c13-p3 c1-p1 c29-p2 c62-p3 c7-p4 c13-p3 c1-p1 c29-p2 c31-p4 c37-p4, c8-p4 c13-p3 c1-p1 c29-p2 c1-p1 Figure 10.1.: Matrix of the openETCS gEVCStateMachine root graph 180
10.2. Data and Control Flows in ETCS Modes The transition matrix holds all transitions that are defined in the ETCS SRS for the subset of modes and can be therefore easily compared with the transition table [88, p. 40] in the specification document. It must be noted that only those conditions are part of the modelled transition matrix that are applicable in ETCS Application Levels 0 and 1 because the selected subset for the case study in Section 7.1 precludes Application Levels 2 and 3. 10.2. Data and Control Flows in ETCS Modes In contrast to the gEVCStateMachine root graph, a gMainFunctionBlock is modelled for each ETCS Application Level in each Mode. Thus, this section is divided in subsections for each ETCS Mode and, where required, in sub-subsections for different Application Levels. 10.2.1. No Power Mode Although the No Power Mode is not directly related to a certain Application Level, it is relevant for the model that No Power is modelled for all possible Application Levels. Application Level 0 is defined as default for No Power because it is the initial mode for a newly started EVC binary. Anyway, it is possible that No Power is entered during the runtime from another Mode in Application Level 1. For example, this is the case for the transition Full Supervision c29−p2 −→ No Power. Application Level 0 The main functionality in No Power is, according to [88, p. 10], the enforcing of the train stop via the emergency brake system. Furthermore, the driver should be able to power up the EVC (via the DMI), which should activate the transition “c4-p2” to the Stand By Mode. The corresponding modelled data flow is sketched in Figure 10.2 as gMainFunctionBlock graph. Of course, in a “real world” implementation of ETCS, powering the system refers to physically powering, but since this case study is realised as pure software, this functionality bases on a simple DMI input object. The DMI is modelled by a separated oSubFunction object “DMI No Power” to be reusable in other Application Levels. The corresponding model is shown in Figure 10.3. The DMI displays the current ETCS Mode and Application Level to the driver. Additionally, the driver is able to power up the system via the “System On Power” oDMIInput object. Application Level 1 The only difference between Application Level 0 and 1 in the No Power mode is the assignment of the “Stored ETCS Level” oVariableStorage object, which is therefore omitted. The DMI is modelled by the same oSubFunction object as for Application Level 0 and was already presented in Figure 10.3. 181
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Open Source Software for Train Cont
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Datum des Promotionskolloquiums: 21
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Acknowledgments I would like to tha
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Abstract This document describes th
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Contents 3.3.3. Rascal . . . . . .
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Contents 8.4. Behavioural Design .
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Contents D.3. Domain Framework Mode
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List of Figures 6.4. Simple CORBA u
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List of Figures 10.27. General read
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Chapter 1. Introduction Railway Con
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Chapter 1. Introduction MontiCore M
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Chapter 1. Introduction ERTMS Forma
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Part I. Background 9
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Chapter 2. Concepts for Safe Railwa
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Chapter 3. Domain-Specific Modellin
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4The GOPPRR Meta Meta Model - An Ex
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4.1. Concrete Syntax Description Fo
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4.2. GOPPRR C++ Abstract Syntax Mod
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4.2. GOPPRR C++ Abstract Syntax Mod
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4.5. The Object Constraint Language
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4.5. The Object Constraint Language
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4.6. Tool Chain where artefacts are
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4.7. Conclusion External Artefacts
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Part II. Dependability 55
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Chapter 5. Verification and Validat
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6Security in Open Source Software A
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6.1. Memory Management Open Meta Me
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6.2. Hardware Virtualisation a fixe
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6.2. Hardware Virtualisation in a v
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6.2. Hardware Virtualisation Again,
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6.2. Hardware Virtualisation the fa
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Part III. openETCS Case Study 77
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Chapter 7. openETCS Meta Model far
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Chapter 7. openETCS Meta Model gEVC
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Chapter 7. openETCS Meta Model gEVC
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Chapter 7. openETCS Meta Model List
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11.3. Simulation Model Figure 11.15
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11.6. Conclusion about warnings, fa
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Chapter 12. Conclusion and Outlook
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Part IV. Appendix 241
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Appendix A. GOPPRR to MOF Transform
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Appendix B. openETCS Meta Model Con
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DopenETCS Domain Framework D.1. Dom
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D.2. Domain Framework Source Code 8
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D.3. Domain Framework Model 32 m_pT
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Appendix E. openETCS Generator 39 <
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Appendix E. openETCS Generator 200
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Appendix E. openETCS Generator 46 4
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FMetaEdit+ Generators F.1. GOPPRR X
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GopenETCS Unit Testing G.1. Unit Te
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Appendix H. openETCS Simulation 14
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Glossary ANTLR ANother Tool for Lan
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Glossary EVC An European Vital Comp
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Glossary OEM An original equipment
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Glossary XML The Extensible Markup
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Bibliography [12] “EN 50128 - Rai
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Bibliography [39] ——, ““Ope
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Bibliography [69] T. J. Parr and R.
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Index Artefact, 51 Automatic train
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Index Linux, 149 Memory management,
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