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A resolver-to-digital conversion method for fast tracking

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3 Author(s)
Choong-Hyuk Yim ; Dept. of Control & Instrum. Eng., Seoul Nat. Univ., South Korea ; In-Joong Ha ; Myoung-Sam Ko

A resolver-to-digital (R/D) conversion method in which a bang-bang type phase comparator is used for fast tracking is proposed. The low-pass filter needed to reject carrier signal and noise is eliminated from the R/D conversion loop. Instead, two prefilters outside the R/D conversion loop take the role of the low-pass filter, resulting in a fast and accurate tracking R/D converter. Some simulation and experimental results and a mathematical performance analysis are presented to demonstrate the superior tracking performance

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Industrial Electronics, IEEE Transactions on  (Volume:39 ,  Issue: 5 )