Dynamic interaction is considered for a vehicle moving at constant speed under electromagnetic suspension with a track structure that includes inertial ferromagnetic rails of finite length resting on a continuous elastic support. General equations are derived for the oscillations of the system comprising of the car, the suspension in the form of an electromagnetic 'ski', and the rail, nonconservative forces being present. It is shown that the general system of equations breaks down into two partial systems: for the car and ski and the ski and the rail. The latter system is used to investigate the dynamic stability of the rail and the presence of controlled electromagnetic forces. The necessary logarithmic decrement along the length of the rail is determined and results are given for a numerical integration of the transients.
Dynamic instability of a track structure (magnetic levitation system)
Dynamische Instabilitaet einer Gleichstruktur (magnetisches Schwebe-System)
Power Engineering, New York ; 22 , 1 ; 16-21
1984
6 Seiten, 3 Quellen
Article (Journal)
English
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