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Power conditioning systems for a magnetically levitated test vehicle

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3 Author(s)
Fruechte, R.D. ; General Motors Research Laboratories, Warren, MI ; Nelson, R.H. ; Radomski, Thomas A.

The power conditioning for a magnetically levitated linear-motor propelled test vehicle is described. Control circuits have been developed to provide a constant air gap for levitation and improved damping of lateral motion due to force disturbances. Transistorized magnet drivers supply the required magnet current. A longitudinal control system with programmed limits on the second and third derivatives of the position command allows both precise position stopping and control of acceleration and jerk. A programmable controller is used for sequencing and monitoring the levitation and propulsion systems.

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Vehicular Technology, IEEE Transactions on  (Volume:29 ,  Issue: 1 )