Inertial navigation system and high-rotating-speed rotating body attitude measurement method
An inertial navigation system and attitude technology, applied in the field of inertial navigation, can solve problems such as insufficient roll angle range and divergent measurement accuracy, and achieve the effects of improving attitude measurement accuracy, reducing complexity, and avoiding insufficient gyroscope range
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[0052] The invention provides a method for measuring the attitude of a high-speed rotating body. Through the configuration design of the inertial / geomagnetic sensor of the attitude measuring system, the inertia and geomagnetic information of the rotating body are respectively measured; by establishing a coordinate system for resolving geomagnetic attitude, the geomagnetic information and Inertial information is used to calculate the attitude, and through coordinate transformation, the attitude information of the projectile coordinate system relative to the geographic coordinate system is obtained, and the attitude measurement of the high-speed rotating body is realized.
[0053] As an improvement of this technical solution, the inertial / geomagnetic sensor configuration is composed of a gyroscope installed on the normal axis of the projectile coordinate system and a three-axis magnetometer installed on the projectile coordinate system, and is used to measure the The normal angul...
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