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Static and dynamic electromagnetic actuator designs for a fluctuating force module (FFM) calibration test facility

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3 Author(s)
Schofield, N. ; Dept. of Electron. & Electr. Eng., Univ. of Sheffield, UK ; Lonsdale, A. ; Hodges, A.Y.

The testing of scale model propulsors is an essential part of any marine propulsion design process. The fluctuating force module (FFM) is a self contained, instrumented propulsor drive system designed to be an integral part of a scaled propulsor test facility. The paper describes a novel electromagnetic test facility which provides a static axial thrust of 0-1 kN and triaxial dynamic forces of 0.3-3 Nrms, at frequencies of 80-800 Hz, to an equivalent propulsor mass rotating at speeds of 0-900 rpm, in order to calibrate the FFM force measurement systems.

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Magnetics, IEEE Transactions on  (Volume:40 ,  Issue: 4 )