dont model things. just build robots Dr. Sawyer B. Fuller - - PowerPoint PPT Presentation

don t model things just build robots
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dont model things. just build robots Dr. Sawyer B. Fuller - - PowerPoint PPT Presentation

dont model things. just build robots Dr. Sawyer B. Fuller Assistant Professor Department of Mechanical Engineering wind sensor precision aspect ratio camera resolution controller architecture flight time wing area battery mass


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don’t model things. just build robots

  • Dr. Sawyer B. Fuller

Assistant Professor Department of Mechanical Engineering

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wing area aspect ratio flapping frequency battery mass camera resolution camera frame rate boost converter type wind sensor precision processor architecture flight time controller architecture

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SLIDE 3

#1 aircraft design technique

iterating on previous successful designs

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design for evolvability

fast iteration like nature does

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SLIDE 5
  • Dr. Sawyer B. Fuller

video courtesy of Andrew Mountcastle

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  • Dr. Sawyer B. Fuller

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  • Dr. Sawyer B. Fuller

small is different

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characteristic

strength per mass

remarks

viscous friction

l-1

unfavorable glide ratio: favors hover

coulomb friction

l-1

inefficient pin joints: favors flexures

mechanics

{

unfavorable to gliding flight, propellers

characteristic

varies with

remarks

  • Glob. Pos. System error

l-1

denied indoors battery power

l3

suggests non-emissive sensing

sensing

{

characteristic

varies with

remarks

rotation speed

l-1

requires fast feedback loop computation power

l3

constrained processing

control

{

eliminates many sensors

l

scaling laws:

faster dynamics slower computation

×

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manufacturing at insect scale

2 3 4

persistent pin alignment release assembly by folding

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  • Dr. Sawyer B. Fuller

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controlled flight (real time)

Ma K, Chirarattananon P, Fuller SB, and Wood RJ, Science 2013

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fast rotational motions

torque ~ l4, moment of inertia ~ l5 → angular acceleration ~ l-1

Fuller et al, ICRA 2015

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  • Dr. Sawyer B. Fuller

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Perching

Graule M, Chirarattananon P, Fuller SB, et al. Science 2016

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  • Dr. Sawyer B. Fuller

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  • pen challenges

visual flight control, computation autonomy, and power autonomy