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Single-axis inertial platform system based on atomic spin gyroscope

A technology of atomic spin and inertial platform, applied in the field of inertial measurement, can solve problems affecting the accuracy of atomic spin gyroscopes, measurement errors, etc.

Active Publication Date: 2019-12-31
BEIJING INST OF AEROSPACE CONTROL DEVICES
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The atomic spin gyroscope uses electron spin axis fixation to measure the rotation of the carrier. The basic principle is similar to the electromechanical rotor gyroscope, but it does not need the structure to drive the rotor, nor does it need the frame and bearings to maintain the rotation of the rotor. Therefore, the atomic spin gyroscope While achieving high precision and miniaturization, the spinning gyroscope can measure angular velocity information in two directions, but its disadvantage is that if there is angular velocity in the direction perpendicular to the two input axes, it will bring measurement errors and affect the atomic spin. The accuracy of the gyroscope

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[0050] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0051] figure 1 It is a schematic diagram of the composition of the hybrid single-axis inertial platform system based on the atomic spin gyroscope of the pre...

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Abstract

The invention discloses a single-axis inertial platform system based on an atomic spin gyroscope. The single-axis inertial platform system comprises a base, a platform body, a gyroscope combination and a controller. The gyroscope combination is arranged at the upper part of the platform body. The base is connected with the platform body through a shaft, one end of the shaft is connected with a shaft end torque motor, and a shaft end angle sensor is arranged at the other end of the shaft. The gyroscope combination comprises a rate gyroscope and an atomic spin gyroscope. The gyroscope combination of the platform adopts one rate gyroscope and one two-degree-of-freedom atomic spin gyroscope, the rate gyroscope is used for controlling the stability of the platform body axis of the platform, andthe atomic spin gyroscope is used for controlling the angular rates of the other two axes of the platform body. By adopting a hybrid working mode combining a platform and strap-down, the all-attitudemotion and high-precision use requirements of a carrier can be met.

Description

technical field [0001] The invention belongs to the technical field of inertial measurement, and in particular relates to a single-axis inertial platform system based on an atomic spin gyroscope, which is suitable for nuclear submarines, ballistic missiles, cruise missiles and fighter jets requiring full attitude. Background technique [0002] As an angular velocity sensor, the gyroscope is the core device in the inertial navigation system, and its performance is the key factor restricting the accuracy of the navigation system. Gyroscopes have experienced the first generation of mechanical gyroscopes (air-floating gyroscopes, liquid-floating gyroscopes, three-float gyroscopes, dynamic tuning gyroscopes, electrostatic gyroscopes, etc.), the second generation of optical gyroscopes (laser gyroscopes, fiber optic gyroscopes, etc.) instruments, etc.), the third-generation micro-electromechanical MEMS gyroscope, and the fourth-generation atomic gyroscope is currently under develop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/18G01C21/20
CPCG01C21/18G01C21/20
Inventor 魏宗康徐白描石猛
Owner BEIJING INST OF AEROSPACE CONTROL DEVICES
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