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首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >The effect of gyro nonorthogonality error on gyrocompassing
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The effect of gyro nonorthogonality error on gyrocompassing

机译：陀螺非正交误差对陀螺罗经的影响

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摘要

The effect of the gyro nonorthogonality on the two-step gyrocompassing process is analyzed. It is shown that the azimuth misalignment resulting from gyro nonorthogonality depends on the platform direction with respect to geographic frame. Gyrocompassing error is explicitly expressed in terms of gyro nonorthogonality and gyro parameters. A compensation scheme to eliminate the gyrocompassing error, which results from gyro nonorthogonality, is presented. This method can be used in cases where the gyro nonorthogonality error is beyond the standard requirements for high quality platforms. The main advantage is that it allows an increase in the tolerance of gyro nonorthogonality, and reduces the cost of inertial measurement unit manufacture.
机译：分析了陀螺非正交性对两步陀螺罗盘过程的影响。结果表明，陀螺仪非正交性导致的方位角失调取决于平台相对于地理框架的方向。陀螺罗经误差明确地用陀螺非正交性和陀螺参数表示。提出了一种消除陀螺非正交性的陀螺罗经误差的补偿方案。如果陀螺仪非正交误差超出高质量平台的标准要求，则可以使用此方法。主要优点是，它可以增加陀螺仪非正交性的公差，并降低惯性测量单元的制造成本。

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