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首页> 外文期刊>IEEE Aerospace and Electronic Systems Magazine >Magnetically suspended MEMS spinning wheel gyro
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Magnetically suspended MEMS spinning wheel gyro

机译：磁悬浮MEMS陀螺陀螺

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摘要

A concept of a magnetically suspended spinning wheel gyro is described. The gyro is based on a patented, planar magnetic actuator and position sensor configuration with a gyro wheel that is rotated by a multi-phase electromagnetic spin motor. The motor and actuator/sensor configurations, in addition to providing the necessary forces to suspend the spinning wheel, are amenable to fabrication using some of the developing MEMS fabrication technologies, making batch fabrication of the gyro possible. This provide the capability for high production yield in high volume through the use of batch processing, without the need for skilled hand labor, resulting in high yields, high reliability, and low cost of ownership. The gyro concept is described in detail. The high-speed rotation of the wheel, somewhat smaller than a dime, can produce an angular momentum much larger than that of the Coriolis force based MEMS gyros now receiving intensive development, and is expected to provide considerably higher performance than currently available from this class of instrument. Two axes of angular rate information and three axes of acceleration information are provided by the control loops that center the wheel within the case. Thus, two such magnetically suspended spinning wheel gyros can be used to implement a complete IMU, and can also provide redundancy in three of the five degrees of freedom.
机译：描述了磁悬浮的纺车陀螺仪的概念。陀螺仪基于获得专利的平面磁致动器和位置传感器配置，该陀螺仪具有由多相电磁自旋电动机旋转的陀螺轮。电动机和致动器/传感器配置，除了提供必要的力来悬挂纺纱轮外，还可以使用某些发展中的MEMS制造技术进行制造，从而使陀螺的批量制造成为可能。通过使用批处理，这提供了高产量高产量的能力，而无需熟练的手工劳动，从而导致了高产量，高可靠性和低拥有成本。详细描述了陀螺仪的概念。砂轮的高速旋转略小于一角钱，它产生的角动量远大于现在正在大力开发的基于科里奥利力的MEMS陀螺仪，并且有望提供比目前同类产品更高的性能。的仪器。通过使车轮在壳体内居中的控制回路提供了两个角速度信息轴和三个加速度信息轴。因此，两个这样的磁悬浮的纺车陀螺仪可以用于实现完整的IMU，并且还可以提供五个自由度中的三个自由度。

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