D-Lab. Spring Development through Dialogue, Design and Dissemination

Transcription

1 D-Lab Spring 2010 Development through Dialogue, Design and Dissemination 1

2 Today s Class Logistics Design Box Presentations Design, Innovation, Invention and the Design Process Discussion Readings Case Studies 2

3 Some Logistics Turning in Homework Course website Textbooks 3

4 Technology Boxes Which one is your favorite? Which one exempifies the trade-offs that were made 2 minutes or less! 4

5 Design, Innovation and Invention 5

6 invent: to be the first to think of, make, or use something design: to work out or create the form or structure of something Source: Encarta World English Dictionary 1999 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc. This content is excluded from our Creative Commons license. For more information, see 6

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8 Innovation Clear plastic bottles poking through roof capture sunlight to illuminate windowless rooms S3764DmIP4 8

9 Harder problems lead to better inventions Shawn Frayne 9

10 Challenges in Design Tradeoffs Dynamics and long-term effects of use Details Time Pressures Economics Use and mis-use Ethics 10

11 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 11

12 The Creativity Caveat Don t let the process detract from the product 12

13 The Changing Approach 13

14 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 14

15 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 15

16 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 16

17 Design Specifications Translate customer needs into quantitative design performance targets Define internal basis for measuring success Capture the necessary characteristics for a successful product Provide a basis for resolving trade-offs 17

18 Translating Customer Needs Need Easy assembly Safe Design Units Owner Attribute Assembly time seconds Floyd Structural safety Lisa factor Safe Fatigue life cycles Nathan Magical Works like magic subjective Meta 18

19 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 19

20 Brainstorming Method generate lots of ideas explore all classes of solutions develop new perspectives generate usable information 20

21 Brainstorming Rules Defer judgment Build upon the ideas of others One conversation at a time Stay focused on the topic Encourage wild ideas 21

22 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 22

23 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 23

24 Pugh Chart 24

25 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 25

26 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 26

27 The Design Process Information Gathering Problem Definition Design Specifications Idea Generation Analysis & Experimentation Concept Evaluation Detail Design Fabrication Testing & Evaluation 27

28 The Design Process Problem Get feedback Test Solution Gather Information Build Think of ideas Work out details Experiment Choose the best idea 28

29 Design for Developing Countries 29

30 Brute force engineering options often meet the criteria but somewhere there is a profound solution, which is simple, cheap, and beautiful. Hold out for this as long as possible. -Kurt Kornbluth former D-Lab Instructor 30

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33 Battery-operated field incubator $1250 Thermo-electric field incubator $500 Phase change incubator $100 Commercial incubator photos (left and center) source unknown. All rights reserved. This content is excluded from our Creative Commons license. For more information, see 33

34 The Phase Change Incubator Liquid Temperature Time Sol id 34

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36 Guiding Principles for DfDC Identify functional requirements Encourage participatory development Value indigenous knowledge Promote local innovation Strive for sustainability 36

37 Technology Case Studies 37

38 Coming up Project Selection (Mar 1) Design challenge descriptions due for review by Wednesday, Feb 17 Slides due by noon on Wednesday, Feb 24 Readings on course website Homework 1 (due Feb 10) Homework 3 (due Feb 10) 38

39 MIT OpenCourseWare EC.720J / 2.722J D-Lab II: Design Spring 2010 For information about citing these materials or our Terms of Use, visit: