Consideration of Wheel Slip and Re-Adhesion Control for Individual Motor Control Locomotives

Abstract

We have developed a re-adhesion control algorithm of traction inverter for individual Motor control locomotives. This paper describes improvement for wheel slip and re-adhesion control for individual axle electric locomotives. Major torque control is making feedback the difference between locomotive basic speed and individual axle speed. By combining two torque control methods, we have got the better re-adhesion characteristic as follows, a little influence of dynamic axle load transfer and a high available coefficient of adhesion more than 30%. We estimated these torque control by the test run and show the stability limit of feedback gain.