Method of detecting abnormality of R/D converter
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United States of America Patent
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Jun 17, 2008
Grant Date -
Dec 15, 2005
app pub date -
Aug 12, 2004
filing date -
Jun 1, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To achieve miniaturization of a resolver apparatus as a system, to obtain the resolver apparatus at a low cost, and to improve failsafe by installing an abnormality detection unit and a self-diagnosis circuit within the R/D converter. According to the present invention, an abnormality detecting method for an R/D converter in a resolver apparatus includes detecting abnormalities of at least the resolver itself (1), a cable wiring (2) through which the resolver (1) and the R/D converter (3) are connected to each other, and the R/D converter (3) itself by an abnormality detection unit (4) provided in the R/D converter (3).
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