Development testing of a paraffin-actuated heat switch for Mars Rover applications
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paraffin-actuators heat switch Mars Rover thermal ↗
SEARCH · Engineering Papers
Results for “actuation”
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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Micro-control actions of segmented actuators laminated on paraboloidal shell reflectors
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micro-control actions segmented actuators parabolo↗
Power Actuation and Switching Module (PASM) Power Switch Slice (PSS) Power Control Slice (PCS)
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PASM PSS PCS power switch control actuation↗
Design and fabrication of electrostatic actuators with corrugated membranes for MEMS deformable mirror in space
A novel Microelectromechanical Systems (MEMS) deformable mirror technology for large, lightweight, segmented space telescopes is being proposed.
electrostatic actuators single crystal silicon mem↗
An Optimization Approach to Orienting Three Spacecraft Reaction Wheel Actuators with Application to the Europa Orbiter
This report introduces an optimization approach to finding the best way to orient three reaction wheels on an orbiting spacecraft.
reaction wheel optimal design actuators Europa↗
Precision actuation of micro-space structures
This paper evaluates the precision control of struts of the micro-space shell structure.
actuation control space structures↗
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↗
Electroactive Polymer (EAP) Actuating A Dust Wiper and Miniature Robotic Arm
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Electroactive polymers actuators↗
Piezoelectrically Actuated Miniature Prestaltic Pump
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actuators Piezopump ultrasonics piezoelectrics↗
Smart Actuators for Biomorphic Systems
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Smart Actuators Biomorphic Systems↗
Rotary Piezoelectric Motors Actuated by Traveling Waves (abstract)
Piezoelectric rotary motors are being developed as a drive mechanism for miniature spacecraft instruments and subsystems. The technology that has recently emerged in commercial products requires more rigorous analytical tools for effective design. The theoretical predictions and the experimental corraboration showed a remarkable agreement and they will be presented and discussed in this paper.
Actuators piezoelectric motors active materials ul↗
A New Liquid Helium Low Temperature Valve Using A Magnetostrictive Actuator
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actuation mechanisms liquid helium low temperature↗
Development of Gas Gap Heat Switch Actuator for the Planck Sorption Cryocooler
We present the general principles of gas gap heat switches that impact their performances for the Planck cryocooler, develop two figures of merit relevant to this application, and present initial characterization results of switches using uranium or ZrNi as the hydriding material.
Gas Gap Heat Switch Actuator Cryocooler↗
ElectroActive Polymers as Emerging Actuators for Devices and Robotic Applications
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Electroactive polymers actuators↗
Reinforced Bimorph Actuators of Electroactive Polymers
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Electroactive Polymers Bimorph Soft Actuators Rein↗
Electroactive Polymer Actuated Miniature Robotics
This reported study is concentrating on the development of effective EAPs and the resultant enabling mechanisms employing their unique characteristics.
ionomer micro-electro-mechanical systems MEMS↗
Electroactive Polymer Actuators as Artificial Muscles for Space Applications
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electroactive polymers EAP biological muscles ligh↗
Electroactive Polymer (EAP) Actuators for Planetary Applications
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Miniature Robotics Electroactive Polymers Hand Sim↗