It’s a kind of magic
How does it work?
Specifically in my own project the maglev was implemented using digital controller that controlled the magnitude of current flowing in the electromagnet as a function of distance of a floating object from electromagnet steel core. A Hall effect sensor, actually, two of them were placed at opposite sides of electromagnet core and provided the readings of the magnetic field surrounding the electromagnet.
With a help from my friends
I’d like to thank once again Mr. Arie Shnaiderman an outstanding control engineer at ReWalk company who helped me make this instrument a real thing.