Proposing and Analyzing an Air Gap Distance Control Method in the Maglev Trains Considering Motion Dynamic

Magnetic levitation (Maglev) is an innovative transportation technology. A high-speed maglev train uses non-contact magnetic levitation, guidance, and propulsion systems and has no wheels, axles, or transmission. Replacing mechanical parts with electronic parts overcomes the technical limitations of wheel-on-rail technology. A series of analytical models are defined, including a vehicle model, a magnetic suspension model, and an active control model to predict the effects of maglev vehicles on guideways. The dynamics of a single-train vehicle model traversing on a flexible, rough beam are studied. Numerical simulations are carried out to study the dynamic behavior of the maglev vehicle and the guide beam. In this paper, the controller is designed for checking the output voltage of the sensor that is placed for detection of transverse and longitudinal deviation of air gap distance. In case of deviation, air gap distance again brings to the desired value with a change in the current through the coil. Finally, the German trans rapid maglev train with electromagnet suspension is analyzed with MATLAB software for properly designed controller performance.