Advanced Active-Magnetic-Bearing Thrust-Measurement System
Stennis Space Center
Monday, September 01 2008
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Automatic multipoint calibration and a fringing model are used to increase accuracy.
An advanced thrust-measurement system utilizes active magnetic bearings to both (1) levitate a floating frame in all six degrees of freedom and (2) measure the levitation forces between the floating frame and a grounded frame. This system was developed for original use in measuring the thrust exerted by a rocket engine mounted on the floating frame, but can just as well be used in other force-measurement applications.
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