Scania Vision and Table Editing Jonas Westman and Andrei Bespamiatov
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Title Slide
Scania Vision and Table Editing
Jonas Westman and Andrei Bespamiatov
• ~50000 employees
• Company in VW Group (Heavy Vehicles)
• In-house development
• Embedded systems development: 1000+ employees
• The product: a “truck” in many versions and configurations
− Module system!
• Continuous development and integration
• Agile and lean
Title and Content
Background - Challenges
• Increased complexity
− High performance ECU
− Multi-threaded, multi-core
− CAN to ethernet
− Over the air communication
− AI-based computation
• Ensure same level of safety
• Standard ISO 26262 - We need to prove safe!
Blank
4
400 pages
800 requirements
Core of ISO 26262
5
Requirements
Architecture
Hazard
identification
Implementation
with Full Traceability !!!!
Title and Content
Digitalized Development- automatization- increased product quality- increased development speed- less engineering hours- ability to change the product !
Traceability required by ISO 26262
Digitalization Vision
From Informal Documents toMachine Readable and Integrated Data
7
DB
Perforce
PDM
• Requirements
• Architectures
• Specifications
Traceability !
From Informal Documents toMachine Readable and Integrated Data
8
DB
Perforce
PDM
• Requirements
• Architectures
• Specifications
Generation !
From Informal Documents toMachine Readable and Integrated Data
9
DB
Perforce
PDM
• Requirements
• Architectures
• Specifications
Analytics !
Title and Content
Tool-chain overview
CAN Communication
DB
IssueTracking
Test ExecutionTools
PDM Polarion
ArchitectureVisualizer
ConfigurationDB
10
SW Architecture Data
DocumentManagement
System
Title and Content
Tool-chain overview
CAN Communication
DB
IssueTracking
Test ExecutionTools
PDM Polarion
ArchitectureVisualizer
ConfigurationDB
11
SW Architecture Data
DocumentManagement
System
Specification Editor ++• Requirements• System Specifications• Test Specifications• Hazard Analysis and Risk
Assessment (HARA)• FMEA• …
Title and Content
System Specification
The system shall…
23 April 2019 Info class internal Department / Name / Subject 12
Tables in Specifications
Port ID Name Description Range
8 levelSensor
Input from fuel sensor…
0-110
6 Pwm_out Magnetic pulse output…
50-70
1 Volt_ref Referencevoltage…
0-24
… … …
Title and Content
• Supported…., but
• the information cannot be entered such that it is structured/stored asWork items!
• Extend Polarion with ”structured/data-driven” Table editing!23 April 2019 Info class internal Department / Name / Subject 13
Table Editing in Polarion standard GUI?
Title and Content
System Specification
The system shall…
23 April 2019 Info class internal Department / Name / Subject 14
Table Editing - Basic
Port ID Name Description Range
8 levelSensor
Input from fuel sensor…
0-110
6 Pwm_out Magnetic pulse output…
50-70
1 Volt_ref Referencevoltage…
0-24
… … …
Polarion
Fields
Title and Content
23 April 2019 Info class internal Department / Name / Subject 15
Tables Editing- Advanced (Hara)
Hazard OperationalSituation
Exposure ASIL Comment
Hazardous Situation
Link to WI
Link to WI
ReferenceInfo
Field
Title and Content
23 April 2019 Info class internal Department / Name / Subject 16
DEMO
Title and Content
23 April 2019 Info class internal Department / Name / Subject 17
THE END
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