Displacement signal of hybrid magnet is tested by using displacement sensor

and this signal is sent to controller in order to be the reference signals.So the characterization of displacement sensor decises wheather the whole control system can work properly.Electric eddy current sensor operating principle

structure and the application in hybrid maglev controller are given.The experiment results show that the electric eddy current sensor used in hybrid maglev controller has high sensitivity

simple structure and strong anti-interference ability.Therefore a new way is give in order to raise the measurement accuracy of hybrid maglev system.