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RISCharacteristics of a Liquid-Crystal Type ER-Fluid Variable Damper for Semiactive Vibration Suppression
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A liquid-crystal type ER-fluid variable damper was fabricated to semiactively suppress the vibration of space truss structure. The principal characteristics of a liquid-crystal variable damper were ...
On-Orbit Performance Prediction of Black Body Based on Functional Test Results under Ambient Condition
Publisher: American Society of Civil Engineers
Abstract: On-board black body is used for radiometric calibration of spaceborne infrared (IR) radiometers and imaging systems. The black body is equipped with heaters to heat up the black body during imaging for calibration, a heat ...
Enhancement of Microjitter Attenuation Capability for a Stepper-Actuated Two-Axis Gimbal-Type Antenna by Using a Spring-Blade Isolator
Publisher: American Society of Civil Engineers
Semiactive Isolator With Liquid-Crystal Type ER Fluid for Momentum-Wheel Vibration Isolation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A semiactive isolator filled with liquid-crystal type electro-rheological (ER) fluid was developed to attenuate the disturbances generated by a momentum-wheel and to improve pointing performance. ...