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L10 - MAE 486 Design of Mechanical Systems Lecture 10 Fall...

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Unformatted text preview: MAE 486 Design of Mechanical Systems Lecture 10 Fall 2011 Today s topics: Concept Generation (Chapter 6); Announcement Special seminar for bonus credits (5 Points towards to Quiz) Time: Where: Who: What: Oct. 11th, 2:00-3:00PM Fiber Optics Auditorium Mr. Michael Grandinetti Product design, technology transfer, entrepreneurship Review: Func3on Deccompsi3on Func3on Basis Review: Morphological Analysis •  •  •  •  What is morphology? How to use morphology analysis in design? Step I: How to decompose? Generate concept from a morphological chart TRIZ: Theory for Inven3ve Problem Solving •  What is it for? •  Strategies of TRIZ: Strategy I: Improve the Ideality Strategy I: Improve the Ideality •  •  •  •  How to define ideality in a design? By this defini3on, what would be a good product? How to improve ideality? TRIZ II: Overcoming Contradic3ons TRIZ Inven3ve Principles TRIZ Contradic3on Matrix •  What is the goal? •  What are the typical contradic3ons? •  Key: Select the right inven3ve principles –  What are they? TRIZ Inven3ve Principles TRIZ: Strengths & Weaknesses hPp://www.mazur.net/triz/ Axioma3c Design •  What is axiom? Examples? •  Basic idea: Mapping view point. –  What is mapping in mathema3cs? •  Design space: What are the different domains and spaces in math. terms in design? Design in a Mathema3c Mapping Framework Axioms in Axioma3c Design •  Axiom 1: Independence Axiom •  Axiom 2: Informa3on Axiom How to Use Axioms in Design? •  Design as a mapping: •  How to determine the mapping? Axioma3c Design Example: Metal CuYng Lathe •  Func3on decomposi3on first: •  What are the corresponding design parameters? Axioma3c Design Example: Metal CuYng Lathe •  How to apply Axiom 1 to FRs? •  How to apply Axiom 1 to DPs? Axioma3c Design Example II: Improve Exis3ng Design •  How to represent a design as a mapping mathema3cally? •  What does Axiom 1 mean mathema3cally? Axiom 1 as a Linear Mapping •  What are the different cases in design in terms of Axiom 1? Corollaries •  Corollary I: Decouple •  Corollary III: Integrate •  Corollary IV: Standard & Exchangeable; •  Corollary V: Symmetry •  Why these Corollaries  Axiom 1 and Axiom 2? Strengths & Weaknesses of Axioma3c Design •  What are the strengths? •  What are the weaknesses? Decision Making (Chapter 7) •  Decision making is everywhere; •  Opera3on research •  First, psychological aspects—Why are they there? •  How people deal with DM? What are the different paPerns? How to improve DM skills? •  Basic ingredients in decision making? •  How to improve? •  Decision  Ac3on. What are the different types? Decision Theory •  What are the basic elements (in terms of Design?) •  What are the different types of D.M. models? Examples of Different Decision Types •  Select material to resist road salt corrosion in an automo3ve fender •  Case I Examples of Different Decision Types: Case II •  Select material to resist road salt corrosion in an automo3ve fender •  Case I Case III: Maximin Rule, Maximax Rule, and Combined ...
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