Attitude testing apparatus and method based on autocollimator

An autocollimator and test device technology, applied in the field of inertial navigation, can solve the problem that the measurement results cannot reflect the relative relationship between the normals of the target reflective surface and the like

Active Publication Date: 2015-11-04
TIANJIN NAVIGATION INSTR RES INST
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Problems solved by technology

However, the autocollimator can only output relative angles, and its measurement results cannot reflect the relative relationship between the normal of the target reflective surface and the geographic coordinate system

Method used

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  • Attitude testing apparatus and method based on autocollimator
  • Attitude testing apparatus and method based on autocollimator
  • Attitude testing apparatus and method based on autocollimator

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Embodiment Construction

[0063] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be noted that the embodiments are illustrative, not restrictive, and cannot limit the protection scope of the present invention.

[0064] An attitude testing device based on an autocollimator, comprising an autocollimator 2, an optical hexahedron 4, a biaxial electronic level 1, a base with a leveling function, the base with a leveling function includes a base plate 3 and a screw pair 5. Install two spiral pairs symmetrically at the front end of the bottom plate, and install one spiral pair at the middle of the rear end of the bottom plate. The base with leveling function provides the installation reference for the autocollimator, and at the same time provides the installation reference for the optical hexahedron and the biaxial electronic level, and uses the screw pair to ensure that the level of the attitude test device can be adjusted wit...

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Abstract

The invention relates to an attitude testing apparatus and method based on an autocollimator. The apparatus mainly comprises the autocollimator, an optical hexahedron, a double-shaft electronic level meter and a pedestal with a leveling function. The method comprises the following steps: putting the attitude testing apparatus on a firm base, allowing the autocollimator to collimate a reflecting surface of an object, then collimating the optical hexahedron with an autocollimation gyro theodolite and measuring the included angle between the apparatus and a true north azimuth reference; starting the autocollimator for recording and retrieving of continuous data of the attitude of the reflecting surface of the object and starting the double-shaft electronic level meter for recording and retrieving of continuous data of horizontal attitude; and after completion of recording and retrieving of the data, processing the data of the autocollimator and the double-shaft electronic level meter by using a data processing method for the attitude testing apparatus so as to eventually obtain continuous changes of the attitude of the reflecting surface of the object in a geographic coordinate system, thereby meeting demands of continuous absolute measurement.

Description

technical field [0001] The invention relates to the technical field of inertial navigation, in particular to an attitude testing device and method based on an autocollimator. Background technique [0002] During the production and debugging process of inertial navigation equipment, it is necessary to measure the relative relationship of rotating parts relative to the geographic coordinate system dynamically, continuously and in real time, and requires high precision. Continuous measurements are not possible with conventional theodolite surveys. The use of an autocollimator for measurement has the characteristics of continuous, real-time, and high precision, and can be used for continuous measurement. However, the autocollimator can only output relative angles, and its measurement results cannot reflect the relative relationship between the normal of the target reflective surface and the geographic coordinate system. Contents of the invention [0003] The purpose of the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C25/00
CPCG01C25/005
Inventor 徐凯孙晨张群王鑫张世先翟晓静李莉
Owner TIANJIN NAVIGATION INSTR RES INST
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