A forced steering rail vehicle employs linkages between.the carbody and wheelsets to force a more radial wheelset alignment. It is shown that the curve negotiation capability of forced steering trucks is significantly improved over conventional and self steering radial trucks. Parametric curves are presented showing angle-of-attack and lateral flange force as a function of steering gain parameters and truck bending stiffness. It is also shown that the forced steering concept can produce kinematic instability and severely reduced critical speeds for low conicities and creep coefficients. Analytic expressions are derived that illustrate how these kinematic instabilities can be avoided.
Forced Steering of Rail Vehicles: Stability and Curving Mechanics
Vehicle System Dynamics ; 10 , 6 ; 357-386
1981-11-01
30 pages
Article (Journal)
Electronic Resource
Unknown
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