Analysis of Magnet Clutch Motion Considering Rotation and Translation of Mover

Yuki Kurokawa
Cabin Comfort AE Dept., Marelli Corporation


In electromagnetic clutches used in car air conditioner compressors, it is important to predict the suction behavior of the mover. An actual electromagnetic clutch has complicated behavior due to a moment from electromagnetic force being generated due to a minute inclination of the mover which results in rotational and translational motion simultaneously occuring during suction.
In this presentation, we will report on the results of an analysis that accurately reproduces the characteristics of the suction behavior of a real electromagnetic clutch by coupling magnetic field analysis of its electromagnetic clutch in JMAG and translational and rotational motion equations produced in Simulink.

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