Sensorless Controller For Electrostatic Machine
Inventors: Daniel Ludois, Aditya Ghule, Peter Killeen
A variable speed drive for an electrostatic motor provides feedback control according to rotor position and/or rotor rotational rate deduced from back currents (back-MMF). Extraction of the back currents is performed by a modeling of the stator and the development of isolated stator voltages from plate voltage measurements.
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