A Superfluid Gyro Device Based on Pressure Phase Shift Assist

A superfluid, phase-shifting technology, applied in the field of high-precision gyroscopes, which can solve the problems of angular velocity measurement error, output oscillation, etc.

Inactive Publication Date: 2017-04-12
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
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  • Claims
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Problems solved by technology

Therefore, when the angular acceleration changes, the thermal phase shift that needs to be injected changes, then the inertial link will cause the output of the system to oscillate, and the measured value of the angular velocity will have a large error

Method used

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  • A Superfluid Gyro Device Based on Pressure Phase Shift Assist
  • A Superfluid Gyro Device Based on Pressure Phase Shift Assist
  • A Superfluid Gyro Device Based on Pressure Phase Shift Assist

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Embodiment Construction

[0030] The preferred technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] like figure 1 As shown, a superfluid gyro device based on pressure phase shift assistance, including a superfluid interferometer, a temperature control system, a thermal drive system, a thin film displacement detection system, and an amplitude locking system;

[0032] The superfluid interferometer includes a superfluid pipeline, the superfluid pipeline is filled with superfluid, the superfluid pipeline includes an annular cavity, the lower end of the annular cavity communicates with a lower opening, and the opening end of the lower opening is provided with The lower cavity film 6 is connected with an upper opening at the upper end of the annular cavity, and the opening end of the upper opening is provided with an upper cavity film 8, and the surface of the upper cavity film 8 is coated with a superconducting thin layer. Th...

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Abstract

The present invention discloses a superfluid gyroscope apparatus based on pressure phase shift assisting, and belongs to the technical field of high precision gyroscopes. The superfluid gyroscope apparatus comprises a pressure phase shift assisted superfluid interferometer, a temperature control system, a thermal driving system, a thin film displacement detection system and an amplitude value locking system. According to the present invention, according to the pressure phase shift production principle, the pressure phase shift assisted superfluid interferometer is designed so as to effectively reduce the dynamic measurement error of the superfluid gyroscope and improve the measurement precision of the superfluid gyroscope.

Description

technical field [0001] The invention belongs to the technical field of high-precision gyroscopes, and relates to a superfluid matter wave interference gyroscope, in particular to a superfluid gyroscope device based on pressure phase shift assistance. Background technique [0002] The inertial navigation system has the outstanding advantages of not relying on external information and not radiating energy to the outside. It is one of the key technologies for the development of high-performance equipment such as various aircraft, missiles, ships, robots, and weapons. The gyroscope is the core sensor of the inertial navigation system. It is used for the angular motion of the sensitive moving carrier relative to the inertial space. Its accuracy plays a decisive role in the accuracy of the inertial navigation system. Using advanced technologies in physics, materials science and electronic technology to improve the accuracy of gyroscopes has always been the focus of inertial naviga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C19/64
CPCG01C19/64
Inventor 郑睿赵伟刘建业谢征聂威
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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