NASA NTRS · 19830000650
Brushless Low-Speed dc Tachometer
Abstract
Proposed tachometer produces voltages proportional to shaft angular velocity and (by differentiation) acceleration. Coil moving in homopolar field generates emf proportional to shaft angular velocity.
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Handlykken, M. B.. 1984-11-01. Brushless Low-Speed dc Tachometer. https://ntrs.nasa.gov/citations/19830000650
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