{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

INEG4433_LSN12_08_web

INEG4433_LSN12_08_web - INEG 4433 Systems Engineering and...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
LSN 12 1 Click to edit Master subtitle style INEG 4433– Systems Engineering and Management INEG 4433 Systems Engineering and Management Lesson 12: Problem Definition Recap
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
LSN 12 2 INEG 4433– Systems Engineering and Management The “Dot” Problem II Can you arrange these nine dots into nine rows of three dots each?.
Background image of page 2
LSN 12 3 INEG 4433– Systems Engineering and Management Solution to Dot Problem II
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
LSN 12 4 INEG 4433– Systems Engineering and Management Where are We? Last Time Value Modeling Next Time Problem Definition Review This Time Evaluation Measures
Background image of page 4
LSN 8 5 INEG 4433– Systems Engineering and Management The System Decision Process
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
LSN 11 6 INEG 4433 – Systems Engineering and Management Cybernetic Systems Characteristics System Classification Environmental Influence Feedback Control Goals [Closed] [Open] [No feedback] [Hi feedback] [Fixed] [Changing] Examples Static Closed No feedback Fixed Abstract systems Clock Math Dynamic Open No Feedback Fixed Simple mechanical systems sailboat Computers Homeostatic Open Hi feedback Fixed Thermostat Autopilot Missile guidance systems Biological systems Cybernetic Open Hi feedback Changing Business for profit Organizations Social systems
Background image of page 6
LSN 11 7 INEG 4433 – Systems Engineering and Management Functional Analysis (Roadmap) Functional Decompositi on Functional Hierarchy Functional Flow Diagramming Value Hierarchy ** Only Functions (VERBS) 1. Functions 2. Objectives 3. Evaluation Measures
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
LSN 8 8 INEG 4433 – Systems Engineering Design and Management Value model has two parts: Qualitative and Quantitative Qualitative value model -most important system functions, objectives & evaluation measures (Use terms most appropriate for the domain) Quantitative scoring functions and weights - used to evaluate alternatives S y s t e m F u n c t i o n 1 E v a l u a t i o n M e a s u r e 1 O b j e c t i v e 1 E v a l u a t i o n M e a s u r e 2 O b j e c t i v e 2 E v a l u a t i o n M e a s u r e 3 O b j e c t i v e 3 S y s t e m F u n c t i o n 2 S y s t e m F u n c t i o n 3 E f f e c t i v e N e e d Qualitative Value Model Quantitative Value Model Obj102 System Design Alternative Current System Best Value Hierarchy: Two Parts
Background image of page 8
LSN 8 9 INEG 4433 – Systems Engineering Design and Management Evaluation Measures Natural Constructed Direct Net Present Value Expected Targets Destroyed Reliability Force Closure Time Probability of Kill Olympic Diving Scores Security Classification Target Classes Weather Categories Proxy Number of Subsystems (Reliability) Gross National Product (Economic Growth) Number of Targets Destroyed (Time to Win the War) Performance Evaluation Scales (Promotion Potential) Grades (Student Learning) Figure 10.1 Example Evaluation Measure Processor Speed (MHz)  [More is better]   Name ( What’s Better y y Unit of Measure
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
LSN 8 10 INEG 4433 – Systems Engineering Design and Management Weights Local Weights Reflect the relationship between functions or objectives at a given level or branch of the tree Sum = 1 for each branch
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}