NASA NTRS · 19720025730
Actuator participation in a bending mode identification system
Abstract
A hydraulic actuator designed for a thrust vector control system used as a shaker for a vehicle to determine the bending mode frequencies is described. The actuator is used as the prime mover and the frequency sensor for the flexible vehicle in a test tower. Advantages in using the actuator piston position with respect to a commanded position to obtain the bending mode frequencies are shown.
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Thompson, Z., Davis, P.. 1972-09-01. Actuator participation in a bending mode identification system. https://ntrs.nasa.gov/citations/19720025730
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