By Jens Eickhoff (auth.), Jens Eickhoff (eds.)
This e-book describes the improvement and layout of a distinct mixed information and tool administration infrastructure The use in small satellites offers a few specific necessities to the structures like capability failure robustness and dealing with of alternative forms of exterior analog and electronic interfaces. those necessities bring about a sensible merge among On Board computing device and the satellite's strength keep an eye on and Distribution Unit, which leads to a really cutting edge layout or even a patent association. This ebook presents process engineers and collage scholars with the technical wisdom as combine among technical brochure and a consumer guide.
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Additional resources for A Combined Data and Power Management Infrastructure: For Small Satellites
The reader is referred to the LEON3FT Functional Manual  for a description of how the EDAC functions are enabled for the SRAM space. 6 The OBC Processor-Board SpaceWire Interface SpaceWire is a point to point serial bus that supports full duplex communication at a data rate of up to 200 Mbs. The protocol uses a simple ‘token’ based system to manage data to and from each end point. Each token character tells the receiver of the token that the transmitter has 8 bytes of data space available in its receive buffer.
A block diagram of the entire architecture comprising both ‘‘in-software’’ and ‘‘in-hardware’’ layers is shown there in Fig. 1. In the overall CDPI EM testbed assembly a Breadboard Model in form of a standard Aeroflex Gaisler/Pender-Electronics test board was used to verify the IP Core functions in cooperation with spacecraft transceiver bypass on the input side, ProcessorBoard and PCDU Combined-Controller respectively on the output side (Fig. 10). The TC and TM packet definitions of the FLP satellite are depicted in the following Figs.
Electrical, temperature as well as mechanical and radiation performance need to be considered prior to making a choice of FPGA. For the FLP satellite program the Aeroflex UT6325 in the CGA484 package was chosen for its radiation performance as well as for its relatively small footprint and ease of implementation. The device is well suited for housekeeping functions and other tasks that would be very difficult if not impossible to implement using discrete logic devices. The device is readily available and has good flight history.
A Combined Data and Power Management Infrastructure: For Small Satellites by Jens Eickhoff (auth.), Jens Eickhoff (eds.)