An Atomic Spin Gyroscope Strapdown System Based on Magnetic Field Feedback

A technology of atomic spin and gyroscope, applied in the field of inertial measurement, can solve the problems affecting the accuracy of atomic spin gyroscope, measurement error, etc., achieve broad application fields and application prospects, improve performance and reliability, and realize miniaturization Effect

Active Publication Date: 2021-07-13
BEIJING INST OF AEROSPACE CONTROL DEVICES
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The atomic spin gyroscope can measure angular velocity information in two directions. Its advantage is that one gyroscope can measure the angular velocity of two axes, but its disadvantage is that if there is angular velocity in the direction perpendicular to the two input axes, it will bring measurement. Error, which affects the accuracy of the atomic spin gyroscope

Method used

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  • An Atomic Spin Gyroscope Strapdown System Based on Magnetic Field Feedback
  • An Atomic Spin Gyroscope Strapdown System Based on Magnetic Field Feedback
  • An Atomic Spin Gyroscope Strapdown System Based on Magnetic Field Feedback

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Embodiment Construction

[0036] The present invention is a magnetic field feedback atomic spin gyroscope briefline system, including: table, rate gyroscope, atomic sprain

[0037] The rate gyroscope and the atomic spin gyroscope are fixed to the table;

[0038] The two sensitive axes of the atom sprain terminus are vertically perpendicular to the sensitivity axis of the rate gyroscope;

[0039] The rate gyroscope measures the angular velocity of the table around the Z-axis, and the two shafts of the atom sprain terry measuring the angular velocity of the table around Y and X axes, respectively; the atomic spin gyroscope is compensated by magnetic field to eliminate orthogonal coupling Error to increase measurement accuracy. The body coordinate system of the brief system is XYZ; the gyroscope combination mounted on the table comprises 1 rate gyroscope and a atomic sprain terminator.

[0040] The atomic spin gyroscope of the Jetiene inertia system operates in polarization state, considering the influence of...

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Abstract

The invention relates to an atomic spin gyroscope strapdown system based on magnetic field feedback. The gyroscope combination of the system adopts a rate gyroscope and a two-degree-of-freedom atomic spin gyroscope, wherein the rate gyroscope is used for measuring and The angular velocity of the two sensitive axes of the atomic spin gyroscope in the orthogonal vertical direction, the atomic spin gyroscope eliminates the orthogonal coupling error through magnetic field feedback to improve the measurement accuracy; Attitude and high-precision motion usage requirements.

Description

Technical field [0001] The present invention relates to a magnetic field feedback atomic spin gyroscope briefline system, in particular to an inertial platform system that adapts to the carrier full-gesture, high-precision, and can be applied to a nuclear submarine, ballistic missile, and cruise missile required to require full-position. , Fighter, etc., belong to the field of inertial measurement. Background technique [0002] The gyroscope is a core device in the inertial navigation system, which is a key factor in the constraints of navigation system. The gyroscope has experienced the first generation of mechanical gyroscopes (air flotter, liquid floss ", three float, power tuning gyroscope, electrostatic gyroscope, etc.), second generation optical gyroscope (laser gyroscope, fiber optic gyro Instrument, etc.), the third generation micro-electromechanical MEMS gyroscope is currently researching the fourth-generation atom gyroscope. The non-spin exchange relaxation (atom spin) ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C21/18G01C25/00G01C21/16
CPCG01C21/16G01C21/18G01C25/005
Inventor 魏宗康
Owner BEIJING INST OF AEROSPACE CONTROL DEVICES
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