Dynamic Interactions Between Maglev Vehicle and Elevated Guideway 952283

Most papers present analyses of dynamic interactions between vehicle and flexible guideway that presuppose constant vehicle forward velocity, but that supposition precludes the analysis of the interaction between guideway and vehicle suspension and forward movement. This work presents the modelling of a magnetically levitated vehicle, a elevated, flexible guideway, which may have grades, considering the forward dynamic and including a very simplified model of a linear synchronous motor. The LQG-LTR method is used to design the magnetic levitation control system and numerical simulations are used in system analyses. The developed model is suitable for the proposed studies, and it is verified that the reduction of guideway stiffness has a negative impact in stability of magnetic levitation system and in ride comfort.


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