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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 199 records · Page 11
All sourcesNASA NTRSDOE OSTI
NASA NTRS2000

Ultrasonic Motors (USM) - an emerging actuation technology for planetary applications

A hybrid model that addressed a complete ultrasonic motor as a system was developed. The model allows using powerful commercial FE package to express dynamic characteristics of the stator and the rotor in engineering practice. An analog model couples the finite element models for the stator and rotor for the stator-interface layer-rotor syste. The model provides reasonably accurate results for CAD.

electroactive polymers actuators EAP materials art↗
NASA NTRS1999

WorldWide Electro Active Polymers

The last year of the 2nd Millennium, 1999, has been marking with important milestones for the field of EAP in terms of communication platforms.

electroactive polymers actuators↗
NASA NTRS1998

Bendbots

Explore the source record for details and available documents.

(EAP) surface wiper gripper robotic arm↗
NASA NTRS1998

Robotic Arm Actuated by Electroactie Polymers

Actuators are used for many planetary and space applications. To meet the NASA goal to reduce the actuators size, mass, cost and power consumption, electroactie polymers (EAP) are being developed to induce large bending and longitudinal actuation strains.

Robotics electroactive polymers hand simulation ac↗