Abstract: Modern advances in permanent magnet electric motors allow designing vehicles with gearless driven guided independently rotating wheels (GDGIRW). High precision controls allow to define simple and effective different strategies in straight track and in curves, such that the wheels belonging to the same “axle” are virtually coupled in straight track while torque control (with different angular speed) can be easily achieved in curves as train location in metros with ATO systems is constantly known. The paper discusses the advantages of a metro vehicle equipped with the GDGIRW architecture over a conventional architecture with bogies in terms of performances and track friendliness.
Traction and curving of vehicles equipped with guided independently rotating wheels / A. Bracciali, G. Megna. - ELETTRONICO. - (2018), pp. 1-8. (Intervento presentato al convegno Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM 2018), Delft, The Netherlands tenutosi a Delft nel 2018).
Traction and curving of vehicles equipped with guided independently rotating wheels
A. Bracciali;G. Megna
2018
Abstract
Abstract: Modern advances in permanent magnet electric motors allow designing vehicles with gearless driven guided independently rotating wheels (GDGIRW). High precision controls allow to define simple and effective different strategies in straight track and in curves, such that the wheels belonging to the same “axle” are virtually coupled in straight track while torque control (with different angular speed) can be easily achieved in curves as train location in metros with ATO systems is constantly known. The paper discusses the advantages of a metro vehicle equipped with the GDGIRW architecture over a conventional architecture with bogies in terms of performances and track friendliness.
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