| 摘要 |
A compass device includes a platform defining an xz-plane and an x-axis. A first accelerometer is coupled to the platform at an angle such that the first accelerometer is sensitive to movement of the first accelerometer in the xz-plane. The first accelerometer includes a first flexure plate generating a first accelerometer signal in response to movement of the first flexure plate. A second accelerometer is coupled to the platform at an angle such that the second accelerometer is sensitive to movement of the second accelerometer within the xz-plane. The second accelerometer includes a second flexure plate generating a second accelerometer signal in response to movement of the second flexure plate. A processor receives the first accelerometer signal and the second accelerometer signal and generates a platform control signal, thereby rotating the platform in response to an inequality between the first accelerometer signal and the second accelerometer signal.
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