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Single event locking release method based on local potential collapse

A single-particle locking and potential technology, which is used in the generation of response errors, electrical digital data processing, and error detection of redundant data in operations. It can solve problems such as interruptions and time-consuming, and save time for fault recovery. , avoid wrong judgment, improve the effect of system security

Active Publication Date: 2020-09-18
XIAN MICROELECTRONICS TECH INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the process takes a long time and interrupts the normal work of the computer for a long time

Method used

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  • Single event locking release method based on local potential collapse

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Embodiment Construction

[0026] The invention provides a method for unlocking a single particle based on local potential collapse, which divides the aerospace computer into several networks according to the functions, and continuously monitors the working status of each network. When a certain network is found to be abnormal, the software controls the network to be powered off And restart, so as to quickly release the single event lock.

[0027] see figure 1 , a single particle lock release method based on local potential collapse of the present invention, including an aerospace computer and a signal monitor, the aerospace computer is divided into several networks according to functions or physical locations, and the voltage, current or heartbeat signal of each network is continuously monitored by software , the voltage and current should fluctuate within a certain range during normal work, and the heartbeat signal should also continue to output normally. When the voltage of a network is lower than a...

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Abstract

The invention discloses a single event locking release method based on local potential collapse. The method comprises steps of dividing an aerospace computer into a plurality of networks according tofunctions or physical positions; and continuously monitoring the signal condition of each network, when the voltage of a certain network is lower than a specific threshold value or the current is greater than the specific threshold value or heartbeat signals of the network are stopped, carrying out single event locking in the network corresponding to the signals, shielding all accesses to the network, powering off the network, powering on the network after a period of time, reinitializing the network and normally using the network. According to the invention, the fault location is accurately positioned, and the fault recovery can be carried out on the faulted network in time under the condition that the normal work of other functional networks is not influenced.

Description

technical field [0001] The invention belongs to the technical field of aerospace computers, and in particular relates to a method for unlocking a single particle based on local potential collapse. Background technique [0002] Affected by space radiation, semiconductor devices in aerospace computers are prone to single-event locking after being bombarded by cosmic high-energy particles. This phenomenon will lead to a sharp increase in power consumption of the device and a large amount of heat generation, which will greatly damage the functional performance of the device. Single event locking can and can only be resolved by completely powering off the locked device and then powering it on again. [0003] The traditional method for aerospace computers to deal with single event lock is to design the product as a dual-machine cold backup. When the flight lock occurs, the hardware function will be abnormal and the software will run away. The software will no longer feed the dog, ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1441
Inventor 王旭
Owner XIAN MICROELECTRONICS TECH INST