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Software Resolver-to-Digital Converter for Compensation of Amplitude Imbalances using D-Q Transformation
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 Title & Authors
Software Resolver-to-Digital Converter for Compensation of Amplitude Imbalances using D-Q Transformation
Kim, Youn-Hyun; Kim, Sol;
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 Abstract
Resolvers are transducers that are used to sense the angular position of rotational machines. The analog resolver is necessary to use resolver to digital converter. Among the RDC software method, angle tracking observer (ATO) is the most popular method. In an actual resolver-based position sensing system, amplitude imbalance dominantly distorts the estimate position information of ATO. Minority papers have reported position error compensation of resolver's output signal with amplitude imbalance. This paper proposes new ATO algorithm in order to compensate position errors caused by the amplitude imbalance. There is no need premeasured off line data. This is easy, simple, cost-effective, and able to work on line compensation. To verify feasibility of the proposed algorithm, simulation and experiments are carried out.
 Keywords
Resolver-to-Digital converter (RDC);Synchronous demodulation;Angle Tracking Observer (ATO);Amplitude unbalance;
 Language
English
 Cited by
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A Novel Linearization Method of Sin/Cos Sensor Signals Used for Angular Position Determination,;;;

Journal of Electrical Engineering and Technology, 2014. vol.9. 4, pp.1437-1445 crossref(new window)
1.
Study on the Optimal Design of a Novel Slotless Resolver by FEM, IEEE Transactions on Magnetics, 2014, 50, 11, 1  crossref(new windwow)
2.
A Novel Linearization Method of Sin/Cos Sensor Signals Used for Angular Position Determination, Journal of Electrical Engineering and Technology, 2014, 9, 4, 1437  crossref(new windwow)
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