Operation of an electrical drive system
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United States of America Patent
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Nov 1, 2011
Grant Date -
Jun 26, 2008
app pub date -
Dec 21, 2007
filing date -
Dec 21, 2006
priority date (Note) -
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Abstract
An electrical drive system includes an electrical machine controlled by an electronic controller, which requires feedback of signals representing quantities associated with the operation of the electrical machine. These signals may represent, for example, flux, current and/or rotor position. The integrity of these signals is validated by setting suitable thresholds for the signals and confirming that both are present at the appropriate time.
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