| 摘要 |
<p>An inertial measurement unit (10) which provides three axis acceleration and angular turning rate detection with a cubical magnetically suspended sensor mass (50) disposed within a cubical outer assembly (32). This sensor mass (50) is free to move mechanically independent from the outer assembly (32). The sensor mass (50) has a plurality of sensing and suspension elements (54, 56) of particular orientation on a selected plane for each axis of detection which face a corresponding set of sensing and suspension elements (40, 42) respectively on interior surfaces of said outer assembly. The sensing elements (40, 54) are advantageously cross-coupled to minimize cross-axis sensitivity. The invention utilizes several servo-control loops of conventional design to process outputs from the sensing elements (40, 54) and maintain the sensor mass (50) in proper orientation.</p> |
