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Item type:Publication, A simple amplitude detector-based demodulator for resolver converters(2010-12-01) ;Kaewpoonsuk, Anucha ;Katman, Ratchanoo ;Kamsri, Thawatchai; This paper presents a simple method based on sinusoidal-amplitude detector for realizing the resolver-signal demodulator. The proposed demodulator consists of two full-wave rectifiers, two ±unity-gain amplifiers, and two sinusoidal-amplitude detectors with control switches. Two output voltages are proportional to sine and cosine envelopes of resolver-shaft angle without low-pass filter. Experimental results demonstrating characteristic of the proposed circuit are included. ©ICROS.1 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, A full-range-360° resolver-to-DC converter(2007-12-01) ;Kaewpoonsuk, Anucha ;Kamsri, Thawatchai; In this paper, a triangular-to-sawtooth waveform converter and a control logic circuit have been described. Using two designed circuits connected with OTA-based sine-to-triangular wave converter and demodulator, a resolver-to-DC converter is proposed. The converter linearly produces output signal proportional to the shaft angle in full range of 360°. Experimental results verifying the performances of the proposed converter circuit agree well with the theoretical prediction. ©ICROS. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, A simple resolver-to-DC converter(2006-12-01) ;Kaewpoonsuk, Anucha; ;Kamsri, ThawatchaiIn this paper, a simple resolver-to-dc converter is presented. The realization method is based on the proposed OTA-based sin<sup>-1</sup> function circuit. The proposed converter provides a simple configuration and produces an output signal, which is linearity proportional to the shaft angle. Performances of the proposed circuit are discussed in detail and confirmed by the experimental results. © 2006 ICASE.1
