Measuring and testing – Navigation – Take-off and landing monitors
Patent
1985-11-06
1987-12-08
Woodiel, Donald O.
Measuring and testing
Navigation
Take-off and landing monitors
73510, 73517A, 73517B, G01C 2112
Patent
active
047111259
ABSTRACT:
An inertial measurement unit which provides three axis acceleration and angular turning rate detection with a cubical magnetically suspended sensor mass disposed within a cubical outer assembly. The sensor mass is free to move mechanically independent from the outer assembly. The sensor mass has a plurality of sensing and suspension elements of particular orientation on a selected plane for each axis of detection which face a corresponding set of sensing and suspension elements respectively on interior surfaces of said outer assembly. The sensing elements are advantageously cross-coupled to minimize cross-axis sensitivity. The invention utilizes several servo-control loops of conventional design to process outputs from the pickoffs and maintain the sensor mass in proper orientation.
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Benman, Jr. William J.
Woodiel Donald O.
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