One person’s experience creating a · One person’s experience creating a wearable. Mike Gibson,...
Transcript of One person’s experience creating a · One person’s experience creating a wearable. Mike Gibson,...
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One person’s experience creating a
wearable
Mike Gibson, Girls Who Build 2014 1
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What we’ll talk about Selecting a problem:
Concept generation and ideation
You have a problem, so solve it: Applying technical know-how to solve problems
Making a solution into a product: The iterative, engineering process
The journey of starting a small company 2
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the problem: thermal is personal
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Our wristband is an intelligent, connected
and personal heating and cooling
solution.
the solution: a personal thermal wearable
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the opportunity:our skin
the challenge
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our skin responds strongly to
temperature changes
comfort depends on
both core and skin
temperature
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Pulsed heating and cooling uses less energy to efficiently stimulate the skin
temperature
time
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Technology selection: how to generate pulsed heating and cooling in a small form factor?
Fan Pumped Phase Evap. water Peltier water change cooling
Tunable ΔT ✓ ✓ X X ✓
ΔT rapid and reversible X X X X ✓
Quiet X X ✓ ✓ ✓
No moving parts X X ✓ X ✓
Lifetime ? ? X X ? 7
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Technology selection: how to generate pulsed heating and cooling in a small form factor?
Fan Pumped Phase Evap. water Peltier water change cooling
Tunable ΔT ✓ ✓ X X ✓
ΔT rapid and reversible X X X X ✓
Quiet X X ✓ ✓ ✓
No moving parts X X ✓ X ✓
Lifetime ? ? X X ? 8
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an energy-efficient personal thermal solution
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an intelligent personal thermal solution
temperaturemonitoring
adaptive learning
predictive operation 10
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a connected personal thermal solution
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The iterative engineering process Keep in mind: never try to do everything at once! It’s too hard.
Engineers break projects into steps, representing testable hypotheses.
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The iterative engineering process
Hypothesis 1: People will like pulsed heating and cooling
Step 1: Building something that pulses heating and cooling.
So… we made a heating and cooling box!
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The iterative engineering process Hypothesis 2: People want wearable heating and cooling
Step(s) 2: Building something wearable. (Note: many steps) Making it more wearable with each iteration
Not wearable. Not wearable. Hacked together Cleaner wearable, but Circuit is enclosed, Is a box... Has a cord. wearable (gross) circuit is exposed has buttons, but ugly 14
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The iterative engineering process
Hypothesis 3: It can’t be ugly.
Step 3: Make it prettier.
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The iterative engineering process
Make prototypes
Making prototypes informs new concepts
Make concept renders (sketch, CAD)
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personalized for comfort user interface heat pumps
power + electronicsheat sink 17
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Why CAD is fun: It lets you make art, fast.
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wristify &
comfort on demand
predictive &adaptive
personal &environmental
sensing
a connected & efficient world
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our journey so far
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our journey so far
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our journey so far
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our journey so far
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our journey so far
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Thanks! 25
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MIT OpenCourseWarehttp://ocw.mit.edu
RES.2-005 Girls Who Build: Make Your Own Wearables WorkshopSpring 2015
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