Evaluation and Improvement of Eddy Current Position Sensors in Magnetically Suspended Flywheel Systems
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Eddy current position sensor performance is evaluated for use in a high-speed flywheel development system. The flywheel utilizes a five axis active magnetic bearing system. The eddy current sensors are used for position feedback for the bearing controller. Measured characteristics include sensitivity to multiple target materials and susceptibility to noise from the magnetic bearings and from sensor-to-sensor crosstalk. Improvements in axial sensor configuration and techniques for noise reduction are described.
author list (cited authors)
Dever, T. P., Palazzolo, A. B., Thomas, E. M., & Jansen, R. H.