Operating a resolver and detecting a defect in the resolver
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United States of America Patent
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Jan 2, 2018
Grant Date -
Dec 17, 2015
app pub date -
Jun 11, 2015
filing date -
Jun 12, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for operating a resolver which includes at least one first receiver winding and an exciter winding, which are/can be associated with a rotor, and an evaluation device which determines an angular position of the rotor as a function of an induced voltage that is generated by the exciter winding and detected by the receiver winding. According to the invention, the first receiver winding is connected at a first end to an actuable switch by means of a first RC circuit, said switch connecting the RC circuit as required to a positive voltage source, and the first receiver winding is connected at a second end to a second actuable switch by means of a second RC circuit, said second switch connecting the second RC circuit as required to a negative voltage source, and to a control unit which simultaneously actuates the switches as required.
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