A real time simulation is used to analyze two idealized MAGLEV suspensions, one an attraction (ferromagnetic) system and the other a repulsion (cryogenic) system. Performance characteristics are presented. The effects of guideway roughness, guide-way flexibility, and of force nonlinearities are examined. On the basis of the cases investigated, it is concluded that MAGLEV suspension systems for 300 mph vehicles which provide reliable tracking while meeting ride quality criteria can be designed. It is also apparent that a considerable effort is required to achieve MAGLEV system optimization and refinement.

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