The linear eddy current brake consists of a magnetic yoke with electrical coils positioned along the rail, which are being magnetized alternating as south and north magnetic poles.
2.
Because it does not need a magnetic yoke, an FOCS is smaller and lighter than Hall effect current sensors, and suffers no reduction in accuracy due to saturation effects.
3.
The linear actuators consist of a moving coil and fixed magnetic yoke assembly, very similar to the typical actuator that controls the read / write heads in a computer hard drive.
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