| 摘要 |
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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