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Embedded computer information reinforcement method and system

An embedded computer and key information technology, which is applied in computing, instrumentation, electrical digital data processing, etc., can solve the problem of information reinforcement methods and system public technical materials and patents that have not been collected, failure to return to normal working status, memory protection, etc. problems, to achieve high military application value and social benefits, simple recovery methods, and improved reliability

Active Publication Date: 2012-06-20
BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
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AI Technical Summary

Problems solved by technology

This article does not make the necessary distinction between the external reset and the reset generated by the crash, and uses ordinary RAM to store the field information, and does not protect the memory. If it is disturbed by a strong electromagnetic pulse, the information may be destroyed. , so that it cannot be restored to normal working condition
[0006] At present, no relevant public technical materials and patents on information reinforcement methods and systems have been collected.

Method used

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  • Embedded computer information reinforcement method and system
  • Embedded computer information reinforcement method and system
  • Embedded computer information reinforcement method and system

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Embodiment Construction

[0031] Such as figure 1 Shown, a kind of anti-EMP and the embedded computer information hardening method of instantaneous fault, comprise the following steps:

[0032] (1) When the embedded computer is working normally, the key information in the embedded computer is stored and protected in real time within each working cycle; the key information includes three types, namely the acceleration in the X, Y, and Z directions of the current sampling period Pulse value and position value in three directions; pitch, yaw, roll of the current sampling period Angular rate pulse values ​​in the three directions of Ψ and Y and attitude values ​​in the three directions; relative time counter T of the current sampling period c , absolute time counter T a value;

[0033] (2) According to the pre-set judgment method, when the working program enters the non-working area and the abnormal situation of endless loop, control the aircraft to maintain the motion attitude before the failure and r...

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Abstract

The invention relates to an embedded computer information reinforcement method and system. The embedded computer information reinforcement system comprises a fault detect and abnormality alarm circuit, a time server, an essential information protection circuit, a transient fault recovery module and an output control circuit. According to the scheme, essential information can be effectively protected; and due to the utilization of the transient fault recovery module, automatic recovery can be realized to ensure the success of flight when transient fault of an aircraft occurs, so that higher military application value and social benefits are achieved.

Description

technical field [0001] The invention belongs to the core electronic equipment of the aerospace vehicle control system, and in particular relates to a soft protection method against strong electromagnetic pulse interference and an embedded computer system. Background technique [0002] The patent application number is 200510120638.X, and the title of the invention is "A Reset Method for Preventing System Crash and Interrupting Business with Software and Hardware Synergy". The inventors are Wang Jingxuan, Qi Jian, and Lu Jianxin. The invention discloses a reset method for preventing the system from crashing and interrupting services through cooperation of software and hardware. This invention just analyzes the abnormal situation of the system, and determines to reset the software or hardware, which is to avoid the occurrence of transient faults in essence. If the crash really occurs, the recovery measures cannot be implemented in time. [0003] The patent application number i...

Claims

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Application Information

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IPC IPC(8): G06F1/24G06F11/00
Inventor 林金永张春侠张俊周春梅訾乃全董文杰马继峰刘晶晶高晓颖
Owner BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
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