Static and Dynamic Stability of Unsymmetric Two-Axle Railway Vehicles Possessing Perfect Steering |
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Authors: | A H Wickens |
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Institution: |
a The Railway Technical Centre, Derby, U.K |
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Abstract: | For railway vehicles having coned wheels mounted on solid axles, there is a conflict between the stability of lateral deviations from the motion along the track and the ability to steer round curves. A general theory is developed for the two-axle vehicle in which there is a lack of symmetry, fore-and-aft, both of the interwheelset structure and of the equivalent conicities of the wheelsets. It is shown that whilst parameters can be selected which provide static and dynamic stability and perfect steering for both directions of motion, there is a lightly damped mode of oscillation for any practical configuration and the significance of this is discussed. |
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