Comparison of PI and fuzzy logic based sliding mode locomotive creep controls with change of rail-wheel contact conditions

Ye Tian, W.J.T. (Bill) Daniel, Sheng Liu and Paul A. Meehan

International Journal of Rail Transportation, 2015, vol. 3, issue 1, 40-59

Abstract: This paper presents locomotive traction controllers based on proportional-integral and sliding mode control with a fuzzy logic creep reference generator; and compares their performance based on tractive efforts under various operation speeds. The effect of change of wheel-rail friction conditions under different controllers is also investigated. In particular, a sliding mode traction controller based on a fuzzy logic creep reference generator is developed to tackle non-linearity and uncertainty due to the contact conditions and operation speeds. It is shown that at high-speed operation, the fuzzy logic based sliding mode controller can achieve higher tractive force with lower creep values.

Date: 2015
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DOI: 10.1080/23248378.2014.994259

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