Design and Research of Multiple Data Channels in Solid State Recorder of the Satellite SJ-10

Qi Song; Shan Li; Yan Zhu; Jun She An

doi:10.4028/www.scientific.net/AMR.1073-1076.1977

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1073-1076Design and Research of Multiple Data Channels in...

Design and Research of Multiple Data Channels in Solid State Recorder of the Satellite SJ-10

Abstract:

Space borne high-capacity solid state recorder (SSR) is an inevitable chain of the space scientific data acquirement system. It has become a common device in spacecraft gradually. This paper presents the design and accomplishment of the large capacity SSR design based on NAND flash of the satellite SJ-10. The SSR improves its writing speed significantly by applying multi-pipeline writing technique. External SDRAM is used as the channel cache of the multi-channel data flows to increase the cache capacity and system throughput speed. In addition, the EDAC processing, data flow combining and separating can enhance the stability of the storage system as well as the data efficiently. The implementing of multi-channel has also laid the foundation for file system management of the space borne storage data. The simulation of multi-channel data flow is given in this paper.

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Periodical:

Advanced Materials Research (Volumes 1073-1076)

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1977-1981

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https://doi.org/10.4028/www.scientific.net/AMR.1073-1076.1977

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December 2014

Authors:

Qi Song, Shan Li, Yan Zhu, Jun She An

Keywords:

EDAC, File System, Multi-Channel, NAND Flash, Solid State Recorder

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