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High-precision integrated micro-inertial measurement unit and inertial navigation system

A micro-inertial measurement, high-precision technology, applied in the field of inertial navigation, can solve the problems of large size of micro-inertial measurement unit, complex structure and interconnection components, etc., to avoid complex connections.

Active Publication Date: 2021-05-11
BEIJING AUTOMATION CONTROL EQUIP INST
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  • Abstract
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Problems solved by technology

[0003] The invention provides a high-precision integrated micro-inertial measurement unit and an inertial navigation system, which can solve the problem of micro-inertia under the same precision conditions caused by the complex structure and interconnection components of the gyroscope and accelerometer in the prior art. Technical problems with the large volume of the measuring unit

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  • High-precision integrated micro-inertial measurement unit and inertial navigation system

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Embodiment Construction

[0025] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit t...

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Abstract

The invention provides a high-precision integrated micro-inertial measurement unit and an inertial navigation system. The micro-inertial measurement unit includes: a circuit module, a flexible component and an installation frame, and the circuit module includes a comprehensive information processing circuit module and a gyroscope circuit module unit And the accelerometer circuit module unit, the flexible part is used to electrically connect any two circuit modules in the circuit module to realize the integration of the circuit module, and the seven circuit modules in the circuit module are arranged on the seven installation tables one by one superior. Applying the technical solution of the present invention can solve the technical problem in the prior art that the volume of the micro-inertial measurement unit is relatively large under the same precision conditions caused by the complex structure and interconnection parts of the gyroscope and the accelerometer.

Description

technical field [0001] The invention relates to the technical field of inertial navigation, in particular to a high-precision integrated micro-inertial measurement unit and an inertial navigation system. Background technique [0002] The micro-inertial measurement unit is a key component of the inertial navigation system. It generally consists of a three-axis MEMS gyroscope, a three-axis MEMS accelerometer and an integrated processing circuit. Among them, the gyroscope is used to provide angular motion information, and the accelerometer is used to provide linear motion information. . The gyroscope and accelerometer in the micro inertial measurement unit are generally assembled in an orthogonal arrangement. In recent years, with the development of micro-manufacturing technology, miniaturized vehicles have put forward higher requirements for the volume of micro-inertial measurement units. However, in the prior art, the commonly used gyroscopes and accelerometers have relativ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C21/18G01C21/20
CPCG01C21/18G01C21/20
Inventor 刘飞申燕超杨星辉梁文华王汝弢郭中洋张菁华
Owner BEIJING AUTOMATION CONTROL EQUIP INST
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