educating engineers or training...
TRANSCRIPT
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Educating Engineers or Training TechniciansUnderstanding at the Conceptual Level
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Agenda
• Conceptual framework
• Bias toward practicality
• History of development
• Resulting barriers
• Path forward
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Conceptual Framework
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Engineers v. Technicians
• US Dept. of Labor, Bureau of Labor Statistics
• Electrical engineer- “Research, design, develop, test, or supervise the manufacturing and installation of electrical equipment, components, or systems for commercial, industrial, military, or scientific use.”
• Electrician- “Install, maintain, and repair electrical wiring, equipment, and fixtures. Ensure that work is in accordance with relevant codes.”
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Electrical Engineering = Concepts
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CONCEPTS
APPLICATIONS
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Education v. Training
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Definitions
• Education- the act of imparting or acquiring general knowledge, developing the powers of reasoning and judgment
• Training- the action of teaching a person a particular skill or type of behavior
• Concepts v. skills
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Bias
• “training gives you the skills to do something rather than just know about something”
Dorather than
just know
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PRACTICAL
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Defining Systems Engineering-Process
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History
• Waterfall
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History
• Waterfall
• Vee- model
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Early definitions
• MIL STD 499
• EIA 632 response to DoD cancellation of MIL STD 499
• Electronic Industries Alliance (EIA) composed of representatives from: • DoD,• Aircraft Industry Association (AIA), • National Security Industries Association (NDIA),• Institute of Electrical and Electronics Engineers (IEEE), and • INCOSE
• IEEE 1220 (1998), Standard for Application and Management of the Systems Engineering Process
• Process definition
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Systems Engineering = Process
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CONCEPTS?
APPLICATIONS
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How is that a problem?
• Others don’t recognize processes
• Already tailored• Military
• Aerospace
• Electronics
• Software
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Hurdles
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Language
• Jargon
• SRS, SSDD, SSS
• Confusion
• Ex.- Failure mode effects analysis (FMEA)
• Meaning- ASQ, FDA, Oil and Gas, DoD (FMECA)
• Mil Std 1629A cancelled- move to “commercial standard”
• “Agnostic”
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Contextual vision- This works
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Contextual vision- This? Not so much!
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Systems Engineering
CONCEPTS?
APPLICATIONS
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Example- Systems Thinking
• “The standard systems engineering process breaks down a problem into parts, recursively, until the parts are simple enough that we understand them and can design solutions; we then re-assemble the parts to form the whole solution.” A Complexity Primer for Systems Engineers, INCOSE, Sheard, et al (2016)
• “In systems thinking, increases in understanding are believed to be obtainable by expanding the systems to be understood, not by reducing them to their elements. Understanding proceeds from the whole to its parts, not from the parts to the whole as knowledge does.” Russell Ackoff
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Example- Complexity
• “But busy systems engineers rarely have the time to keep up with this literature, which is diffused across the many interdisciplinary applications of complex systems science.” A Complexity Primer for Systems Engineers, INCOSE, Sheard, et al (2016)
• Detail v. dynamic; physical v. adaptive
• All systems produce results not possible for any of their elements- this is particularly problematic for complex systems
• Managing complexity
• Desirable complexity- adaptability and resilience
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Path Forward
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“Unless people can express themselves well in ordinary (language), they don't know what they are
talking about.” Russell Ackoff
Toward a more natural language
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Example-SIMILAR Process
• Bahill & Gissing (1998)
State the problem
Investigate alternatives
Model the system
Integrate
Launch the system
Assess performance
Re-
Eval
uat
e
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Example- SPADE
• Haskins (2008)*
• Stakeholders
• Problem
• Alternatives
• Decision-making
• Evaluation
Stakeholders
Problem
Alternatives
Decision Evaluation
* Systems engineering analyzed, synthesized, and applied to sustainable industrial park development, Cecilia Haskins, PhD Thesis, NUST (2008)
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CONCEPTS
APPLICATIONS
Concepts first . . . then application
• Education
• Systems thinking
• Complexity
• Training• Processes
• Tailoring
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Summary
• Systems engineering developed largely in a specific market segment
• It was defined in terms of processes (as opposed to concepts)
• The processes were highly tailored
• Language was tailored as well
• Transferability (to other domains) is difficult
• We need to learn to see systems engineering at the concept level
• We need to learn to speak in a language (languages?) that others understand
• We need to tailor the solution to the need (not tailor the need to the solution)
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Thank You!
Zane Scott
Vice President for Professional Services
Vitech Corporation
Phone: 540.951.3322 x202
Web: www.vitechcorp.com/ | Blog community.vitechcorp.com | Twitter @VitechCorp
Vitech Corporation Celebrating 25 years of systems engineering excellence