A resolver-to-digital conversion method for fast tracking
Choong-Hyuk Yim, In-Joong Ha, Myoung Sam Ko · IEEE Transactions on Industrial Electronics · 1992
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.>