Backup high-reliability communication device and method between single machines inside and outside satellite
An extra-satellite stand-alone, communication device technology, applied in the field of spacecraft communication, can solve problems such as the use of functions that do not involve multiple communication methods, and achieve the effect of increasing reliability and improving reliability.
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[0026] When the intra-satellite stand-alone needs to communicate with the satellite large-scale extra-satellite stand-alone, since the satellite large-scale component can only rotate in one direction, when the extra-satellite stand-alone rotates with the large component, the communication between the intra-satellite stand-alone and the satellite large-scale extra-satellite stand-alone cannot pass the conventional The signal transmission line is directly connected to complete the communication problem. The present invention provides a method and device for backing up high-reliability satellite-to-satellite single-machine inter-communication. RS422 is used as the main communication through the slip ring double-point double-wire, and WIFI wireless communication is used as the backup communication. At the same time, the WIFI connection is designed to automatically switch to RS422 communication function. It solves the problem that the satellite main unit and the satellite large com...
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