The investigated linear machine works as a mechanical oscillator using springs to reduce the overall power consumption and two electromagnets having their twin circular coils (which surround a ring-shape permanent magnet) connected in series. The actuator can be controlled with a single phase inverter. In this paper sensorless closed loop position control based on a FEM assisted estimator that uses two extra coils placed near the main coils is presented. Experiments were performed, using a cascaded architecture control approach having two combined sliding mode (SM) plus PI controllers, to validate the position sensorless control.

Position sensorless control of a linear interior permanent magnet oscillatory machine, with experiments

MARIGNETTI, Fabrizio;
2010-01-01

Abstract

The investigated linear machine works as a mechanical oscillator using springs to reduce the overall power consumption and two electromagnets having their twin circular coils (which surround a ring-shape permanent magnet) connected in series. The actuator can be controlled with a single phase inverter. In this paper sensorless closed loop position control based on a FEM assisted estimator that uses two extra coils placed near the main coils is presented. Experiments were performed, using a cascaded architecture control approach having two combined sliding mode (SM) plus PI controllers, to validate the position sensorless control.
2010
9781424470198
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11580/13764
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