© stevens institute of technology, all rights reserved 1 systems engineering: meeting the...
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Systems Engineering:Meeting the Challenges of
the 21st Century
Jon WadeAssociate Dean of Research
School of Systems and Enterprises
Stevens Institute of TechnologyHoboken, NJ
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The Role of SE
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Systems Engineering
What: Systems Engineering is an interdisciplinary approach and means to enable the realization of successful systems.
How: It focuses on defining customer needs and required functionality early in the development cycle, documenting requirements, then proceeding with design synthesis and system validation while considering the complete problem.
3Source: INCOSE definition 14 June 2004
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The Power of Scaling
The density of transistors at minimum cost per device doubles every 24 months. - Gordon Moore, 1965
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Virtuous Cycle
Computational Power Designs
Tools &Techniques
Technology
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Birth of the WWW
Compute Power+
Bandwidth+
DARPA
+
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The Networked Universe
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System Trends
1. Complexity: adaptive & emergent 2. Criticality: essential to day to day life3. Security: increasingly valuable &
vulnerable4. Time Compression: we’re all on
internet time5. Legacy: unplanned, ill-suited & growing6. Workforce: great diversity, youth are
perhaps best equipped for change & virtualization
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SE Practices• Current SE practices, to a large degree, are an early
mainframe era implementation based on the Systems Principles and Theory developed in the 1930’s through 1950’s.
• Traditional SE Methods, Processes and Tools (MPTs) are not appropriate for net-centric systems with dynamic requirements, swiftly changing technologies, short planning cycles and action oriented management and practitioners.
• Linear improvement cannot keep up with the exponentially growing demands that are enabled by the underlying technologies and amplified by the aforementioned trends.
• Human capabilities are not improving at exponential rates.
Is Systems Engineering on the Curve?
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Transforming SE
We postulate that the new paradigm must be:
• Agile: Allowing for quality, timely development with an incomplete and changing set of system requirements.
• Integrated: Part of the main development process and not an additional set of discretionary tasks.
• Lean: Providing the greatest amount of benefits with the minimal number of steps and least amount of effort.
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Transforming SE
We postulate that the new paradigm must be:
• Leveraged: Enabling exponential capability growth through the leveraging of computational and information technologies, and prior Systems work.
• Extensible: Providing the capability to expand and enhance capabilities for future growth without having to make major changes in the infrastructure.
• Implementable: Enabling widespread impact through workforce education and broad application.
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SE ‘Phases’
Value
Concept
Use
Develop
Solution
Problem
Strategic Tactical
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SE ‘Phases’
Value
Concept
Use
Develop
Solution
Problem
Strategic Tactical
VisualModels
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Necessary Changes
• Document based -> Model based• Linear -> Opportunistic• Sequential -> Consistent• Human avoided -> Human integrated
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Methods,Processes &
Tools
WorkforceDevelopment
Security
Self-AdaptiveSystems
Systems & Change
System Knowledge
Human Centric
Criticality
ImpactTime Compression
Legacy,Change
Complexity
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Methods,Processes &
Tools
WorkforceDevelopment
Security
Self-AdaptiveSystems
Systems &Change
System Knowledge
Human CentricWhat?
How? Who?
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SIT ResearchSelf-Adaptive Systems:• Center for Complex and Adaptive Sociotechnical Systems –
Ali Mostashari• Resilient Systems – Roshanak Nilchiani• Change-Adaptive Systems & Enterprises RT – Ali Mostashari
Systems & Change:• Systems Development & Maturity Laboratory – Brian Sauser• Systems Readiness Level – Brian Sauser• Cost modeling – Jose Ramirez-Marquez
Security: • Maritime Security Laboratory - Julie Pullen• Center for Secure and Resilient Maritime Commerce -
Michael Bruno – SES• Security RT – Stas Tarchalski
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SIT ResearchHow? - Methods, Processes & Tools: • Graphical Conops RT – Rob Cloutier• Evaluation of MPTs RT– Rich Turner• System Engineering Transformation RT – Jon Wade• Systemigrams – Brian Sauser• Architectural Patterns – Rob Cloutier
Who? - Workforce Development:• GSwe2009 – Art Pyster• BKCASE – Art Pyster• Technical Leadership RT – John Farr• Asynchronous Learning – Alice Squires• Experience Accelerator RT – Jon Wade• Game Competition – Eirik Hole• SE Competencies – Rashmi Jain• CIESE – Beth McGrath
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Model Aided SE
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Which is more Intuitive?
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Or Collaborative?
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Graphical interface to allow interactive, collaborative creation
of modular CONOPS model
Portfolio of Canned Scenarios
Customizable Presentation of Results
DOTMLPFP Simulator
Cause & Effect Analysis
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Development of Systems Engineers
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What’s More Effective?
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SE Experience Accelerator
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Self-Adaptive Systems
"I think the next century (21st) will be the century of complexity." Stephen Hawking
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Distributed “Control”Rules-based Principles-
based
Quantity
•Relatively large number
•Relatively small number
Content
•Specific guidance•Short-term focus•State processes
•Ideas & concepts•Long-term focus•State outcomes
Purpose
•Prescribe actions of individuals•Provide group coordination through authority
•Guide thinking•Provide group coordination through influence
Source: Requirements Engineering for Complex Adaptive Systems: Principles vs. Rules, CSER 2009, Polacek & Verma.
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Self-Adaptive Example
Architects Architecture
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Systems Engineering:Meeting the Challenges of
the 21st Century
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We depend on it
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Thank you for your time and attention!