Fuzzy Logic Creep Control For A 2D Locomotive
Dynamic Model Under Transient Wheel-rail
Contact Conditions
Author(s)
Y. Tian, W. J. T. Daniel, S. Liu & P. A. Meehan
Abstract
In recent decades, advanced power-electronics-based control techniques have
been widely used to electric drives for the traction of modern locomotives.
However, the dynamic response of such locomotives under transient conditions
due to external perturbations has not been fully investigated. In this work, an
integrated dynamic model for a typical Co-Co locomotive/track system is
developed to provide predictive simulations of the motion and forces transmitted
throughout the whole locomotive dynamic system. The model integrates a 2D
longitudinal-vertical locomotive structural vibration model, wheel/rail contact
mechanics using Polach’s creep force model, a simplified dynamic traction
model and a fuzzy logic creep controller to simulate the transient response to a
change in friction conditions. It is found that the proposed fuzzy logic controller
has the advantage over a PI controller in terms of achieving higher tractive force
under transient contact conditions.
Keywords: locomotive creep control, fuzzy logic, transient contact conditions.
Keywords
locomotive creep control, fuzzy logic, transient contact conditions.
Related Book
Other papers in this volume
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