Moving base platform inclined leveling matrix computing method and device, and storage medium

A technology of matrix calculation and moving base, which is applied in directions such as navigation through speed/acceleration measurement, can solve problems such as large navigation calculation errors, and achieve the effect of avoiding navigation errors and improving navigation accuracy

Inactive Publication Date: 2019-07-19
BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The calculation method of the traditional land-based launch vehicle platform transposition matrix directly uses the command value. When the platform is in the environment of the moving base, there is a large error

Method used

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  • Moving base platform inclined leveling matrix computing method and device, and storage medium
  • Moving base platform inclined leveling matrix computing method and device, and storage medium
  • Moving base platform inclined leveling matrix computing method and device, and storage medium

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Embodiment Construction

[0037] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0038] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides a moving base platform inclined leveling matrix computing method and device, and a storage medium. The moving base platform inclined leveling matrix computing method comprises the steps: 1, the transposition instruction altitude angle and the instruction azimuth angle are sent to a platform, and the platform returns the actual transposition value; 2, a matrix is calculated through the actual transposition value returned by the platform; and 3, through the transposition matrix, platform system add report output is converted to an inertial system. Through the actual platform transposition value, the platform system add report output after transposition is converted to the inertial system to conduct navigation calculation, the navigation error caused by the platform transposition error is avoided, and thus the navigation precision s improved.

Description

technical field [0001] The invention relates to the technical field of launch vehicle control, in particular to a calculation method, device and storage medium for a tilting and leveling matrix of a moving base platform. Background technique [0002] The launch vehicle control system mainly includes two parts: the guidance system and the attitude control system. Among them, the task of the guidance system is to issue shutdown commands, guidance commands and flight program angles at the right time during the flight of the rocket, so as to ensure that the rocket flies along the predetermined orbit, so as to accurately send the payload into the predetermined orbit. The starlight platform (referred to as the platform) is used for the navigation calculation of the launch vehicle. After the initial transposition of the launch vehicle to the star, it is necessary to calculate the platform transposition matrix, and convert the post-transposition platform system plus table output to ...

Claims

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Application Information

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IPC IPC(8): G01C21/16G01C21/18
CPCG01C21/16G01C21/18
Inventor 李双喜赵坤宋维军张义熊云强夏宇红陶晓强黄冠华张新民
Owner BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
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