SELF-DIAGNOSED ON-BOARD COMPUTER SYSTEM WITH STAND-BY REDUNDANCY Russian patent published in 2018 - IPC G06F11/20 

FIELD: computer engineering.

SUBSTANCE: invention relates to computer engineering and can be used in systems of various applications, where high reliability and radiation resistance are required. In the self-diagnosed on-board computer system comprising a main system, a similar backup system is introduced, each of the systems has two identical main and backup channels, each channel includes a connection circuit for secondary power supply, a backup device. In each channel, the inputs of the backup device are connected to the output of the processor, to the output of the system generator, to the output of the initial setup circuit. Processor output is connected to the input of the switch, the second input of which is connected to the output of the initial setup circuit. Output of the secondary power source is connected to the input of the secondary power connection circuit, and the input to the output of the primary power source. Outputs of the main channel backup device of the main system are connected to the third inputs of the main and backup channel switches and to the second input of the secondary power supply circuit of the main channel of the main system. Output of the backup device of the backup channel of the main system is connected to the second input of the connection circuit of the secondary power supply of the backup channel of the main system. Outputs of the backup device of the main channel of the backup system are connected to the third inputs of the switches of the main and backup channels of the backup system. Fourth input of the switch of the main channel of the backup system is connected to the first output of the backup device of the backup channel of the main system. Third and fourth outputs of the backup device of the main channel of the main system are connected, respectively, to the first and second inputs of the connection circuit of the secondary power supply of the main channel of the backup system and the first and second input of the connection circuit of the secondary power supply of the backup channel of the backup system. Second and third outputs of the backup device of the backup channel of the main system are connected, respectively, to the third and fourth inputs of the connection circuit of the secondary power supply of the main channel of the backup system and the third and fourth input of the connection circuit of the secondary power supply of the backup channel of the backup system. Outputs of the main and backup systems are connected and are the output of the system.

EFFECT: technical result is shorter activation time of the backup system, which is in an off state, while ensuring high reliability, fault tolerance and radiation resistance.

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