Volume 33 Issue 6
Nov.  2013
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Qiu Aihua, Zhang Tao. Discussion on SFODB Application for Spacecraft Data Management[J]. Chinese Journal of Space Science, 2013, 33(6): 664-671. doi: 10.11728/cjss2013.06.664
Citation: Qiu Aihua, Zhang Tao. Discussion on SFODB Application for Spacecraft Data Management[J]. Chinese Journal of Space Science, 2013, 33(6): 664-671. doi: 10.11728/cjss2013.06.664

Discussion on SFODB Application for Spacecraft Data Management

doi: 10.11728/cjss2013.06.664
  • Received Date: 2013-01-11
  • Rev Recd Date: 2013-07-26
  • Publish Date: 2013-11-15
  • SFODB is used to solve the data exchange for payload of high data rates in spacecraft and transmit mass detector data, which is proposed by the United States Department of Defense. It is a high-speed aerospace data bus based on commercial Asynchronous Transfer Mode (ATM). In its physical layer, the fiber link connects many FBIU units and single CFBIU unit to compose a ring network. The distance between each node cannot exceed 100m, and the data rate ranges from 200Mbit·s-1 to 1Gbit·s-1. The data bus has very high real-time performance and reliability, and its network size as well as the performance is better than others. This paper introduces the characteristics and latest development status as well as the technical approach of SFODB up to now. It is suggested that an spacecraft internal data bus should be designed as the backbone data network architecture based on SFODB, such as for the satellites and other spacecrafts. The network can complete spacecraft internal reliable data transmission with hierarchical classification for payload. Finally, we give some guidance for research and application of SFODB in the future, some highly reliable design concepts about internal bus in spacecraft may refer SFODB.

     

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