New electromagnetic suspension and its stabilisation

The paper describes an electromagnetic suspension in which use is made of LCRcircuits to modify the force/distance characteristics between magnetised bodies. The modified characteristic is statically stable, and, although the use of series capacitance introduces Qfactor lag and oscillations, it is found by experiment that these can be damped out, giving a considerable advantage in power/weight ratio over the eddy-current method of levitation. It appears that analysis is possible by obtaining a transfer function between force of attraction and position, and an outline of the possible approach is given.