Consideration of wheel slip and readhesion control for induction traction motor electric locomotives with individual traction control
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We have developed a readhesion control algorithm of the traction inverter for individual motor control locomotives. This paper describes improvements in dealing with wheel slip and readhesion control for individual-axle electric locomotives. The major torque control is based on feedback of the difference between the basic speed of the locomotive and the individual axle speed. By combining two torque control methods, we have obtained better readhesion characteristics: little influence of dynamic axle load transfer and a high achievable coefficient of adhesion exceeding 30%. These torque control characteristics were estimated test runs and the stability limits of feedback gain are shown. © 2009 Wiley Periodicals, Inc. Electr Eng Jpn, 169(3): 56–64, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20883
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