Adaptive Synchronous Amplitude Demodulation

Yassa, F.; Noujaim, S.E.

doi:10.1109/acssc.1988.753963

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Cited by 9 publications

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“…The main demodulation methods are the synchronous demodulation method, production demodulation and adaptive synchronous amplitude demodulation [34].…”

Section: Traditional Rdc Methodsmentioning

confidence: 99%

Composite state observer for resolver-to-digital conversion

Zhang

2017

Meas. Sci. Technol.

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A nonlinear state observer can be used as a resolver-to-digital converter (RDC); however, when the speed is not constant, its performance deteriorates. In this paper, a composite state observer is presented. The estimation speed from the nonlinear state observer is compensated by the estimation speed from the arctangent method in the feed-forward form. Compared with the arctangent method, this method has a strong ability to suppress random disturbances. Compared with an RDC based on a nonlinear state observer, the accuracy of the angle and speed is improved as the appearance of phase delay is weakened. Experiments demonstrate the effectiveness of the observers.

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“…The main demodulation methods are the synchronous demodulation method, production demodulation and adaptive synchronous amplitude demodulation [34].…”

Section: Traditional Rdc Methodsmentioning

confidence: 99%