A Capacitive Rotary Encoder Based on Quadrature Modulation and Demodulation

This paper presents a capacitive rotary encoder for both angular position and angular speed measurements. The encoder is mainly composed of three parts: the transmitting segments; a pair of reflecting electrodes; and a pair of receiving electrodes. The transmitting segments together with four mutual...

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Veröffentlicht in:	IEEE transactions on instrumentation and measurement 2015-01, Vol.64 (1), p.143-153
Hauptverfasser:	Zheng, Dezhi, Zhang, Shaobo, Wang, Shuai, Hu, Chun, Zhao, Xiaomeng
Format:	Artikel
Sprache:	eng
Schlagworte:	Angular position Angular velocity Capacitance capacitance measurement Coders Computer programs Demodulation Digital computers Electrodes Encoders encoding phase modulation quadrature amplitude modulation rotating machine measurements Rotors Segments Sensors Signal resolution Stators Transmission
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