INEG4433_LSN14_08

INEG4433_LSN14_08 - LSN 13 1 INEG 4433 Systems Engineering...

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Unformatted text preview: LSN 13 1 INEG 4433 Systems Engineering Design and Management INEG 4433 Engineering Design and Systems Management Lesson 13: Solution Design LSN 13 2 INEG 4433 Systems Engineering Design and Management Where are We? Last Time Problem Definition Next Time Solution Enhancement This Time Solution Design Solution Design Idea generation Idea generation Alternative Generation Alternative Generation LSN 13 3 Ethics Discussion of various Case Studies INEG 4433 Systems Engineering Design and Management LSN 13 4 INEG 4433 Systems Engineering Design and Management The System Decision Process LSN 13 5 INEG 4433 Systems Engineering Design and Management Solution Design LSN 13 6 INEG 4433 Systems Engineering Design and Management Design Space A design space design space is a framework, a mental construct of an intellectual space that envelops or incorporates all of the potential solutions to a design problem. Large / Complex Small / Bounded # of potential designs # of design variables Range of values Subsystem / Component Interactions LSN 13 7 INEG 4433 Systems Engineering Design and Management Expanding the Design Space Expanding the Design Space Divergent thinking Think broad! (use the broadest, most general functions, initially) Notes from Problem Definition phase Research existing solutions Think outside the box! Think outside the box! Techniques include - Brainstorming Brainwriting Morph Charts LSN 13 8 INEG 4433 Systems Engineering Design and Management Limiting the Design Space Limiting the Design Space Convergent thinking What does the user really need? What technologies are available? External constraints? (time, money, . . .) Get Real! Get Real! Techniques include - Dynamic Confrontation Feasibility Screening LSN 13 9 INEG 4433 Systems Engineering Design and Management Main Point Main Point If there are nothing but bad alternatives, with your help and analysis the decision-maker will select a bad alternative! If y o u w a n t b e tte r d e c is io n s , fin d b e tte r a lte rn a tiv e s ! [Famous Analyst] LSN 13 10 INEG 4433 Systems Engineering Design and Management Value vs. Alternative LSN 13 11 INEG 4433 Systems Engineering Design and Management The Ideation Process LSN 13 12 INEG 4433 Systems Engineering Design and Management Using Alternative-Focused Thinking (Status Quo) Environment that discourages creativity Finding smart, creative people Lack of good alternative generation techniques Too many alternatives to evaluate Barriers to Finding Better Alternatives Better Alternatives LSN 13 13 INEG 4433 Systems Engineering Design and Management Brainstorming Brainstorming Advantages Group buy-in to the solution Group overcomes the bias of individual members Knowledge of one can overcome speculation/bias of the group Disadvantages Group influenced by the person who is loudest Deteriorates into a...
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This note was uploaded on 04/12/2009 for the course INEG 4433 taught by Professor Pohl during the Spring '09 term at Arkansas.

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INEG4433_LSN14_08 - LSN 13 1 INEG 4433 Systems Engineering...

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