NASA NTRS · 19790000317
Analog actuator-piston memory
Abstract
Simple analog control system of digitally controlled acuator uses 'stopped' position of actuator as 'memory' and potentiometer as sensing element during power failure to reload drive circuit to value equal to its last position preceding power loss.
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Sable, B. A.. 1980-04-01. Analog actuator-piston memory. https://ntrs.nasa.gov/citations/19790000317
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