On-orbit fault smooth repair device and method for spaceborne computer

A technology of on-board computer, repair method, applied in satellite field

Pending Publication Date: 2021-05-28
BEIJING GUODIAN GAOKE TECH CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a smooth on-orbit fault repair method for on-orbit computer based on the above-mentioned defects in the prior art, which is based on a third-party computer fault diagnosis process, and solves the problem of computer faults in the satellite business operation process The problem of smooth transition in recovery and switching, so that the system composition and attitude of the satellite in the case of computer failure will not change greatly, and the business operation will not be interrupted

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  • On-orbit fault smooth repair device and method for spaceborne computer

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Embodiment Construction

[0018] In order to make the content of the present invention clearer and easier to understand, the content of the present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

[0019] In recent years, integrated electronics has become more and more mature, commercial aerospace has developed rapidly, commercial satellites are more systematic in design, and the cooperation of various functional systems is closer. In this context, the present invention proposes a computer fault diagnosis based on a third party. The processing method is to solve the problem of smooth transition in computer failure recovery and switching during satellite business operation, so that the system composition and attitude of the satellite will not change greatly in the case of computer failure, and the business operation will not be interrupted.

[0020] Generally, the on-board computers are dual-computer cold backup, and the fault diagnosis and ...

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Abstract

The invention provides an on-orbit fault smooth repairing device and method for a spaceborne computer. The on-orbit fault smooth repair device of the spaceborne computer comprises an independent module which is mutually independent from the operation of the computer, wherein the independent module comprises a watchdog circuit and an independent time timing module; the watchdog circuit receives a state signal which is sent by the computer and indicates whether a fault exists or not, and triggers a fault processing program according to the state signal based on timing of the independent time timing module.

Description

technical field [0001] The invention relates to the field of satellites, in particular to an on-orbit fault smooth repair device and method for an on-orbit computer. Background technique [0002] As the center and brain of the satellite, the on-board computer plays a very critical and important role in the entire system of the satellite. In order to meet the reliability requirements of satellites, the computers on the general satellite are dual-computer cold backup. When a single computer fails during in-orbit operation, the satellite needs to have fault diagnosis and processing capabilities to restore the computer’s working status in time. In the event that the working state cannot be restored, switch the computer to the backup computer in time. [0003] There are two methods for fault diagnosis and processing of the existing on-board computer: 1. Mutual diagnosis and processing of AB computers; 2. Independent diagnosis and processing modules. The design method of mutual ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/07G06F11/14G06F11/20
CPCG06F11/0757G06F11/1441G06F11/2033
Inventor 吕强
Owner BEIJING GUODIAN GAOKE TECH CO LTD
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