INEG4433_LSN10_08

INEG4433_LSN10_08 - INEG 4433 Systems Engineering and...

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LSN 10 1 INEG 4433– Systems Engineering and Management INEG 4433 Systems Engineering and Management Lesson 10: Functional Analysis Input-Output Modeling
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LSN 10 2 INEG 4433– Systems Engineering and Management Brainteaser In some states in the United States a certain crime is punishable, and those who attempt it are usually indicted. However, any perpetrator that is successful is never prosecuted. What is the crime? Suicide Phone:575-CAPS (2277) or 575-5276 Office Hours:8 a.m. - 5 p.m., Monday – Friday Location:525 Garland (Corner Garland & Maple) Emergencies:575-CAPS (24 hours a day, 365 days a year) http://health.uark.edu/CAPS/
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LSN 10 3 INEG 4433– Systems Engineering and Management Where are We? Last Time System Decomposition Functional Analysis Next Time Problem Definition Value Modeling This Time Problem Definition Overview Problem Definition Overview Functional Analysis Functional Analysis Input-Output Matrix Input-Output Matrix
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LSN 8 4 INEG 4433– Systems Engineering and Management The System Decision Process
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LSN 10 5 INEG 4433 – Systems Engineering and Management Functional Analysis Functional Decomposition Functional Hierarchy Functional Flow Diagramming 1 2 3 Talking about a System Talking about a Process System Decomposition (Functions) Stakeholder Analysis & Brainstorming What are the relationship between functions? What is the sequence between functions?
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LSN 10 6 INEG 4433 – Systems Engineering and Management Functional Hierarchy Organize functions using Affinity Diagramming S u b - f u n c t i o n A 1 . 1 S u b - f u n c t i o n A 1 . 2 . 1 S u b - f u n c t i o n A 1 . 2 . 2 S u b - f u n c t i o n A 1 . 2 S u b - f u n c t i o n A 1 S u b - f u n c t i o n A 2 F u n c t i o n A S u b - f u n c t i o n B 1 S u b - f u n c t i o n B 2 F u n c t i o n B S u b - f u n c t i o n C 1 . 1 S u b - f u n c t i o n C 1 . 2 S u b - f u n c t i o n C 1 S u b - f u n c t i o n C 2 F u n c t i o n C S y s t e m
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LSN 10 7 INEG 4433 – Systems Engineering and Management IDEF0
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LSN 10 8 INEG 4433 – Systems Engineering and Management IDEF0 Support system design Helps identify and structure the system functions Functions in diagram can serve as foundation for assessment of alternative solutions Can be used to help develop models and simulations to design and evaluate systems Source: Engineering Design of Systems: Models and Methods , Dennis Buede, John Wiley and Sons
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LSN 10 9 INEG 4433 – Systems Engineering and Management Functional Flow Diagrams Guidelines Multiple levels of function blocks connected by arrows Arrows depict flow or sequence of activities Flow is left to right - in series or parallel Use of Logic - “AND” & “OR” connectors “GO” outputs from right, “NO-GO” from bottom Expand a function into sub-functions by creating another level - dotted lines and numbering
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LSN 10 10 INEG 4433 – Systems Engineering and Management Functional Decomposition Student Laundry System Accumulate dirty laundry Deliver to p/u point Transport to laundry facility Separate laundry from dry
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INEG4433_LSN10_08 - INEG 4433 Systems Engineering and...

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