Title :
Actuator with permanent magnet controlled by very short current pulses
Author :
Dolezel, Ivo ; Panek, David ; Ulrych, Bohus
Author_Institution :
Czech Technical University, Faculty of Electrical Engineering, Technicka 2, 166 27 Praha 6, Czech Republic
Abstract :
A new type of electromagnetic actuator with high holding force and extremely low consumption of electric energy is proposed and modelled. The movement of its plunger formed by a permanent magnet is controlled by short pulses of direct current together with a return spring. The paper presents the arrangement of the device and analyses its principal operation characteristics.
Keywords :
electromagnetic actuator; magnetic field; numerical analysis; permanent magnet; pulsed current;
Conference_Titel :
Computation in Electromagnetics (CEM 2011), IET 8th International Conference on
Conference_Location :
Wroclaw
DOI :
10.1049/cp.2011.0065
