NASA NTRS · 20190033368
Further Development of an Electromagnetic Position Sensor for a Wind Tunnel MSBS
Abstract
An Electromagnetic Position Sensor (EPS) was successfully developed in the 1960’s for the MIT “6-inch” Magnetic Suspension and Balance System. An updated version remains in use today, based on analog electronics. This paper will review the hardware revisions made to successfully adapt the system for use in sensing 3 degrees-of-freedom motion of small spherical or near-spherical suspended models. Practical challenges related to electrical noise sensitivity and stray coupling paths will be discussed. Preliminary analysis of alternative demodulation approaches, including digital signal processing, will be reviewed.
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Britcher, Colin, Weinmann, Michelle, Schott, Timothy, Schoenenberger, Mark. 2018-11-07. Further Development of an Electromagnetic Position Sensor for a Wind Tunnel MSBS. https://ntrs.nasa.gov/citations/20190033368
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