By Jens Eickhoff
This ebook is meant as a process engineer's compendium, explaining the dependencies and technical interactions among the onboard laptop undefined, the onboard software program and the spacecraft operations from flooring. After a short advent at the next improvement in all 3 fields over the spacecraft engineering levels all of the major topis is handled extensive in a separate part.
The good points of today’s onboard pcs are defined handy in their old evolution over the a long time from the early days of spaceflight as much as this present day. most modern system-on-chip processor architectures are taken care of in addition to all onboard computing device significant components.
After the onboard computing device the corresponding software program is handled in a separate half. either the software program static structure in addition to the dynamic structure are lined, and improvement applied sciences in addition to software program verification techniques are included.
Following those components at the onboard structure, the final half covers the strategies of spacecraft operations from floor. This contains the nominal operations recommendations, the redundancy thought and the subject of failure detection, isolation and recovery.
The baseline examples within the booklet are taken from the area of satellites and deep house probes. the foundations and lots of pointed out criteria on spacecraft commanding, and software program notwithstanding additionally practice to different area purposes like launchers. The e-book is both acceptable for college kids besides for approach engineers in house industry.
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Extra info for Onboard Computers, Onboard Software and Satellite Operations: An Introduction
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The following figures show examples of real OBCs to give an impression on state of the art machines (both ERC32 based). 1 – cabled in the test bench – is an engineering model. A. Leonardo. 2: Galileo IOV OBC. 'A ,"$ ED 8! ,% +
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Onboard Computer Main Elements 4 Onboard Computer Main Elements OBC Board © IRS / Aeroflex J. 3 show the embedding of an OBC into the overall spacecraft avionics system. 3 called “I/O Board” – and finally the OBC has interfaces to dedicated payload computers or controllers. The RIU couples the OBC to all spacecraft equipment which does not provide a high level data bus interface. The following figures show examples of real OBCs to give an impression on state of the art machines (both ERC32 based).