NDLI: Some considerations of eddy current proximity sensor applied for motor speed measurement

Content Provider	IEEE Xplore Digital Library
Author	Weibo Li Zhaozhi Hua Wang Qian Li Jianxuan Tang Jian
Copyright Year	2008
Description	Author affiliation: Nat. Key Lab. for Vessel Integrated Power Syst. Technol., Naval Univ. of Eng., Wuhan (Weibo Li; Zhaozhi Hua; Wang Qian; Li Jianxuan; Tang Jian)
Abstract	The eddy current proximity sensor or probe is composed of exciting winding, detection winding and post processing circuit. Models of the key structural and electromagnetic parameters of the sensor are analyzed. The mutual influence characteristics induced by the structural and electromagnetic parameters are provided accordingly. The pull up resistor used to improve the reliability of the sensor will influence the output waveform. The determination methods both of the structural parameters of the encoder and the pull up resistance for the sensor are introduced. And the sensor is adopted as a speedometer for testing the line speed of the gear wheel. Research indicates the duty ratio of the waveform outputted from the sensor is directly influenced by the structural and electromagnetic parameters. Some typical relation curves as the tooth width versus the speed of the gear wheel, detection distance versus the speed of the gear wheel, and duty ratio versus the speed of the gear wheel are generated.
Starting Page	963
Ending Page	967
File Size	573991
Page Count	5
File Format	PDF
ISBN	9781424438266
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	IEEE Consumer Electronics Society(CES)
Subject Keyword	Eddy currents Velocity measurement Sensor phenomena and characterization Gears Wheels Probes Circuits Electromagnetic modeling Electromagnetic analysis Resistors
Content Type	Text
Resource Type	Article

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