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Automatic cutting method of satellite integrated electronic computer

A technology of electronic computer and satellite, which is applied in the field of automatic switching of satellite integrated electronic computer, and can solve the problem of low reliability of dual-computer backup

Active Publication Date: 2022-07-01
INNOVATION ACAD FOR MICROSATELLITES OF CAS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for autonomously switching off a satellite integrated electronic computer to solve the problem of low reliability of dual-machine backup of the existing satellite-borne computer.

Method used

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  • Automatic cutting method of satellite integrated electronic computer

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Embodiment Construction

[0053] The method for autonomously cutting the satellite integrated electronic computer proposed by the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become apparent from the following description and claims. It should be noted that, the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention.

[0054] Furthermore, unless stated otherwise, features in different embodiments of the invention may be combined with each other. For example, a certain feature in the second embodiment can be used to replace the corresponding or functionally identical or similar feature in the first embodiment, and the resulting embodiment also falls within the scope of disclosure or description of the present application...

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Abstract

The invention provides an autonomous machine switching method for a satellite integrated electronic computer system. The first reset signal, and the first interrupt control signal is provided to the host; the standby machine watchdog provides the second reset signal to the standby machine, and the second interrupt control signal is provided to the standby machine; The host detects the first interrupt control signal Then, save and back up key data on site; after the standby machine detects the second interruption control signal, save and back up key data on site.

Description

technical field [0001] The invention relates to the technical field of on-board computers, in particular to a method for autonomously cutting a satellite integrated electronic computer. Background technique [0002] Microsatellites have the characteristics of high cost performance, small size, light weight and low power consumption, and are an important direction for the development of spacecraft in the future. The onboard computer is an important part of the microsatellite, which is responsible for the collection and processing of onboard data. [0003] The onboard computer is the core component of the electronic system on the satellite. It is usually responsible for the management and control tasks of the entire satellite. Its reliability directly affects the reliability of the entire satellite. The operation of a large number of satellites in orbit shows that due to the influence of the space environment, even if a series of anti-radiation measures are taken, the on-boar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/30G06F1/24G06F11/07G06F11/14
CPCG06F1/30G06F1/24G06F11/0757G06F11/1441G06F11/1448
Inventor 石龙龙王正凯吴敏祁见忠涂珍贞贺芸王学良习成献朱峪卢元申张文李锐张强何盼
Owner INNOVATION ACAD FOR MICROSATELLITES OF CAS
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