Abstract
In response to the recent trend of increasing speed on railways, it is necessary to maintain good riding conditions and reduce lateral force. In this paper, a pendulum vehicle with guided steering device by Z-link, which transmit the relative yaw angle between the car body and bogie frame to the wheel set to improve steering ability, and with a car body tilt control system is modelled to provide nonlinearity at various springs and dampers. The effect of the device and system is studied by simulation of curving performance. The results show that good riding conditions are maintained and lateral force is reduced. In addition, the influence of lever length of the Z-link steering and longitudinal stiffness of the axle box, and the leverage ratio for well balanced reduction of lateral force are discussed.
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