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Silicon Inchworm Motors 1mm
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Autonomous Microrobot Seth Hollar, Sarah Bergreiter Anita Flynn, Kris Pister Solar Cells Motors Legs CMOS Sequencer 8.6 mm
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“The Actuation” – Hinges, Motors, Legs, Frame “The Power” – Solar Cell Arrays and High Voltage Transistors “The Brain” - CMOS Digital Circuits Microrobot – Three Processes
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Solar Cell/High Voltage Chip CMOS Chip Robot Legs and Motors Chip –Affix robot to wax for wirebonding –21 wirebonds Assembly
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Inchworm Motor Preset Structure Leg and Linkage Drive Actuator Clutch Actuators Shuttle Robot Leg Layout
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Design of 2DOF Leg Shuttles Knee Tendons Foot Hip Poly Crossover
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Thrust and Power from Solid Propellant Microrockets William Lindsay, Dana Teasdale, Veljko Milanovic, Kristofer Pister, and Carlos Fernandez-Pello Berkeley Sensor and Actuator Center University of California Berkeley
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Combustion – Teasdale, Lindsey Solid rocket propellant 7 seconds thrust, I sp =15s ~1mJ out
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Altitude vs. Average Thrust Assuming pressure drag, constant total impulse
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Next Generation Design Increase the thrust and decrease the mass, while controlling thermal losses
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Thrust Measurements vs. Theory Predicted altitude: 50 m
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Rocket in Action
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ROCKETBOY THANKS YOU! (Bill Lindsay)
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