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Static characteristics of pulsed actuator with plunger consisting of carbon steel and permanent magnet

Doležel I., Pánek D., Ulrych B.

Poznan University of Technology Academic Journals. Electrical Engineering

2012

No. 72

65--74

A novel type of pulsed electromagnetic actuator is presented and modeled. Its plunger consists of two separate (but mutually connected) cylindrical parts made of classical magnetic material and permanent magnet, respectively, and its motion is controlled by short current pulses of the defined amplitude. The paper starts with the definition of the technical problem and formulation of its mathematical model. This model is then solved numerically and the whole methodology is illustrated by a typical example. It is shown that unlike the classical devices the above actuator exhibits high holding force and low consumption of energy.

Static characteristics of pulsed actuator with combined plunger

Doležel I., Pánek D., Ulrych B.

Computer Applications in Electrical Engineering

2012

Vol. 10

127--136

A novel type of pulsed electromagnetic actuator is presented and modelled. Its plunger consists of two cylindrical parts made of classical magnetic material and permanent magnet, respectively. Its motion is controlled by short current pulses of the prescribed amplitude. The paper starts with the definition of the technical problem and formulation of its mathematical model. This model is then solved numerically and the whole methodology is illustrated by a typical example, whose results are discussed.