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In order to ensure the strict time synchronization between devices, to achieve the purpose of precise timing control and distributed control and resource sharing, we propose a bridging technique for ARINC659 backplane bus connection between different devices. The bridging technology ensures that the ARINC659 bus is physically independent and can logically take concerted action in step so that the...
Communications Operations Procedure-1(COP-1) is widely used for reliable transmission of telecommand data for space missions. This paper focuses on the delay performance of COP-1 protocol over long and lossy link. The typical work conditions and process are studied combined with the characters of both the link and the transmission task. Based on the analysis of the procedure, the quantificational...
As a switched network, SpaceWire can easily connect SpaceWire nodes together to realize parallel data communication, which can not only contain spacecraft interconnection between independent equipment, can also be used as “virtual backplane” to achieve mutual connection and communication between avionics internal hardware modules. However, SpaceWire nodes using asynchronous parallel operation mode...
A novel method for fabricating flexible and waterproof heating membranes was presented in this study, nano‐SiC/thermoplastic polyurethane (TPU) hybrid membranes has been successfully prepared by pouring modified nano‐SiC/TPU solution into a mold with 0.05 mm silver filaments. Nano‐SiC particles were modified using silane coupling agent, subsequently, were dispersed evenly in the solvent, average diameter...
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