Sensor system for a rotor assembly

A sensor system includes a rotor antenna, a radio frequency (RF) sensor, a stator antenna, and one or more processors. The rotor antenna and the RF sensor are configured to be disposed on a shaft of a rotor assembly and are conductively connected to each other. The RF sensor generates measurement si...

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Bibliographische Detailangaben
1. Verfasser:	Iannotti, Joseph Alfred
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING ELECTRICITY HANDLING RECORD CARRIERS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SIGNALLING TARIFF METERING APPARATUS TESTING TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS
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Beschreibung
Zusammenfassung:	A sensor system includes a rotor antenna, a radio frequency (RF) sensor, a stator antenna, and one or more processors. The rotor antenna and the RF sensor are configured to be disposed on a shaft of a rotor assembly and are conductively connected to each other. The RF sensor generates measurement signals. The stator antenna is mounted to a stator member of the rotor assembly and positioned radially outward from the rotor antenna. The stator antenna is wirelessly connected to the rotor antenna across an air gap. The one or more processors are communicatively connected to the stator antenna and are configured to monitor one or more electrical characteristics of the measurement signals that are received by the stator antenna from the rotor antenna over time as the shaft rotates and to determine rotational speed of the shaft based on recurrent variations in the one or more electrical characteristics.