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➛ Raw system diagramming may be too complex even if hierarchical decomposition makes it simple to navigate.
➛ System diagramming may also be used to provide synthesized information
To answer this, it’s possible to
Define filters of the system view: show only some types of objects and hide others
Use graphical aspect of object to provide information about the model.
Examples
• Sample 2: various filters over a laptop system diagrams file:///D:/IGSPC8V3/SEAweb/LapTop%20%28SEA%205.3.1%29%2012-11-21%20V1/LapTop%20%28SEA%205.3.1%29%2012-11-21%20V1.html
• Sample 3: business intelligence over a laptop functional architecture
> sur une campagne de tests file:///D:/IGSPC8V3/Proto%20BI%20MDD%20Laptop/LapTop%20%285.2.1.x%29.html
Application to System Engineering diagramming nowadays
Problem at Hand
Change requests
FUNCTIONAL TEAMS
Reporting
Software
PRODUCE Project manager
System engineer
COORDINATE
publish
Enterprise Content
Management Tool
Requirements mngt
Functional archi
SW archi
HW archi
Safety case
Project Reporting
Syst
em a
rch
i
Integration testing
+ CAO
Current organization
No global view of the system Maintenability and traceability in MS Office docs? Coherence of diagrams and contents? Various tools and models from functional teams Versions and diversity?
➛ General System theory helps us understanding architectural rules for complex systems.
➛ Knowledge Inside has developped arKItect, a graphical modeling tool that faithfully captures the structure of systems e.g. as described by Simon in his famous 1962 paper.
➛ It is possible to integrate the different pre-CAD diagrams and documents into a single, sound and synchronized multi-view system model.
Key benefits are: • Reuse capability at the functional description and requirements level
• Consistency of data in between processes and people involved in the design activities.
• Fluidity of information
• Change management and configuration management in the pre-CAD stages of design.
• More generally, synchronization resulting in improved productivity and quality.
➛ This approach is validated on large systems in the automotive and railways: it’s now possible to switch from a document centric to a model centric design.