Four tenets of Systems Engineering from a Model-Based ... … · Requirements Management...
Transcript of Four tenets of Systems Engineering from a Model-Based ... … · Requirements Management...
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Four tenets of SystemsEngineering from a
Model-Based perspectiveChris French, Dr David Harvey,
Tommie Liddy & Michael Waite
Australian Systems Engineering Workshop
27-28 October 2014, Canberra, ACT, Australia
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An Established World
A well documented and process driven profession
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A World in Motion
• Increasing complexity
• Expanding domains
• Expanding theoretical foundation
• Advancing Tools and Methods
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Requirements Management
Engineering Life Cycle
4
Concept StageDevelopment
Stage
Utilisation Stage
Support Stage
Retirement
Stage
Risk Management
Review
Configuration Management
Production
Stage
ISO 15288:2002
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Engineering Management Controls
Risk Management
5
Requirement Management
Review Configuration Management
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Model-based approach
Model-based Systems Engineering will become the “norm” for systems engineering execution…
INCOSE Systems Engineering Vision 2025
• Making the interconnectivity and interdependencies explicit
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A journey…
• Initial thoughts• Preliminary
• Introduction to deeper discussions
• Encourage comment and feedback.
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• Process of developing and managing requirements over project lifecycle
• Functional, non-functional requirements to be managed
• Shaping the project outcomes
• Communicate requirements between team members
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• Most researched from a model-based perspective
• Utilise the traceability
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• Elicited from functions and constraints.
• Assess system performance over lifecycle against requirements
• Fully, explicitly traceable within model
• Model-based methodology highlights traceability
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• Assessment of a view
• Check content and structure: both integral to quality products
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• Models richness of information• not reviewing a single document in isolation
• Non-trivial task as complex systems imply complex models, thus complex relationships
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• Review of meta-model, specific instantiation of meta-model, content of the model.
• Have to ensure views present themselves appropriately (content, structure, meta-model and analytical path)
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• Identify and analyse potential issues
• Work to remove / mitigate them
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ISO:31000
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• Fundamentally, process shouldn’t change
• Allocating to system aspects which generates and mitigates risk
• Model targets and supports risk management
• Directly evolve risk as system evolves
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• Establishing and maintaining consistency
• Operational, approval and legal baselines
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• Processes can be incorporated within the model
• Establish within central repository
• Regenerate view against baseline
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• Introduce a new problem
• How to ensure CM of the model across those who need views from it?
• Open access, viewable, but with monitored & authorised control and modification
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Conclusion
• Identified benefits for the model providing support to the Engineering Management Controls
• One integrated, federated model supporting all aspects
• Tools have the capability to support these Engineering Management aspects
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Conclusion
• The richness of the information can and should be conveyed, assessed, acknowledged
• Exploit the richness as complexity of projects grow.
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Thank you
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PO Box 3005Port Adelaide SA 5015Tel: +61 2 6239 4288
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