Triple-redundant passive independent current mutual inspection power off restarting system and triple-redundant passive independent current mutual inspection power off restarting method

A power-off restart and triple-redundancy technology, which is applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as reducing the reliability of a single machine, and achieve the goal of eliminating latch faults, ensuring reliability, and ensuring decoupling Effect

Active Publication Date: 2017-06-09
BEIJING AEROSPACE AUTOMATIC CONTROL RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although in principle it is possible to restart a single board after a power failure, but due to the addition of an additional power supply and detection power failure circuit, the added part itself is a single point for the whole machine, so the reliability of the single machine is reduced instead.

Method used

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  • Triple-redundant passive independent current mutual inspection power off restarting system and triple-redundant passive independent current mutual inspection power off restarting method
  • Triple-redundant passive independent current mutual inspection power off restarting system and triple-redundant passive independent current mutual inspection power off restarting method
  • Triple-redundant passive independent current mutual inspection power off restarting system and triple-redundant passive independent current mutual inspection power off restarting method

Examples

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Effect test

Embodiment

[0049] Take the power-off process of function board 3 as an example, as follows: figure 2 :

[0050] When the function board 1 determines that the function board 3 is faulty through the latch current mutual detection module, the current mutual detection module of the function board 1 sends a power-off signal 1 (high power Ping), at this time, since K2 is not in action, K3 and K4 will not be disconnected;

[0051] When the function board 2 determines that the function board 3 is faulty through the latch current mutual detection module, the current mutual detection module of the function board 2 sends a power-off signal 2 (high power Ping), K2 is turned on, if K1 is turned on at this time, the coils of K3 and K4 are energized, K3 and K4 are turned off, and the whole board including the power module of the function board 3 is powered off, and the passive power is turned off at this time Restart the voting module such as image 3 shown.

[0052] Restart the process, such as ...

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Abstract

The invention discloses a triple-redundant passive independent current mutual inspection power off restarting system and a triple-redundant passive independent current mutual inspection power off restarting method. The triple-redundant passive independent current mutual inspection power off restarting system is constituted by three independent functional board cards, and every board card comprises a passive power off restarting determining module, a filtering module, a power supply module, a current mutual inspection module, and an operation module. By adopting the triple-redundant passive power off restarting determining modules and the triple-redundant current mutual inspection modules, and then the fault isolation and the power off restarting of every single functional board card are realized, and a first-degree fault self-recovery capability is provided. The faulted functional board card is restarted after being powered off, and a latch-up fault is eliminated, and the faulted functional board card can still work normally after being restarted, and then by adopting the power off restarting technology, a one-machine space survival capability is greatly improved.

Description

technical field [0001] The invention relates to a three-redundant passive independent current mutual detection power-off restart system and method, which can realize the power-off and restart of a single function board for a single machine with three redundant function boards. Background technique [0002] The previous implementation scheme of the single machine of the integrated controller class is as follows: [0003] One adopts restarting without power failure, relying on soft reset, and other normal single boards send pulses to the faulty single board to reset the DSP. This method can only solve software faults, but cannot solve the latch caused by space particles. [0004] The other adopts an additional circuit and a power supply to realize restarting after a single board is powered off. Although in principle it is possible to restart a single board after a power failure, but due to the addition of an additional power supply and detection power failure circuit, the ad...

Claims

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Application Information

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IPC IPC(8): G05B9/03
CPCG05B9/03
Inventor 李毅刘仁浩李硕田长铮张雅顺郭冠军章宇尘严贺彪
Owner BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
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