Electronic system with component redundancy, and control chain for a motor implementing such system
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United States of America Patent
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Oct 16, 2012
Grant Date -
Jul 1, 2010
app pub date -
Dec 15, 2009
filing date -
Dec 15, 2008
priority date (Note) -
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Abstract
An electronic system with component redundancy includes a first processing unit, connected to a first board, and a second processing unit redundant with respect to the first unit, and connected to a second board redundant with respect to the first board. Each processing unit and each board include a first communication port, the first communication ports of the first unit and of the first board, and, respectively, of the second unit and of the second board, being interconnected by a wired communication link. Each processing unit and each board include a second communication port, the second port of the first board being connected to the second port of the second unit by a wired communication link, and the second port of the second board being connected to the second port of the first unit by a wired communication link, each communication port able to be activated or deactivated by a corresponding software command.
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