Low Frequency Axial Flux Linear Oscillating Electric Drive Suitable for Short Strokes

Table 1

PMLOM parameters.

Rated input voltage	70 V
Rated input power	175 watts
Stroke length	10 mm
Outer diameter (stator)	93 mm
Stator core type	Cold rolled grain oriented silicon steel
Thickness of lamination	0.27 mm
Stator length	30 mm
Number of turns in coils aa′ and cc′	500
Number of turns in coils bb′ and dd′	250
Coil resistance	14.2 ohms
Slot depth	17 mm
Magnet type	Rare earth N42, NdFeB
Permanent magnet length	2 mm
Coercivity	975000 A/m
Remanence	1.2 T
Outer diameter (mover)	65 mm
Shaft diameter	8 mm
Coil inductance	0.18 Henry