NASA NTRS · 19870020436
Common drive unit
Abstract
The Common Drive Unit (CDU) is a high reliability rotary actuator with many versatile applications in mechanism designs. The CDU incorporates a set of redundant motor-brake assemblies driving a single output shaft through differential. Tachometers provide speed information in the AC version. Operation of both motors, as compared to the operation of one motor, will yield the same output torque with twice the output speed.
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Ellis, R. C., Fink, R. A., Moore, E. A.. 1987-05-01. Common drive unit. https://ntrs.nasa.gov/citations/19870020436
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