Stability control of a railway vehicle using absolute stiffness and inerters

Matamoros-Sanchez, A. Z. and Goodall, R. M. and Zolotas, Argyrios and Jiang, J. Z. and Smith, M. C. (2012) Stability control of a railway vehicle using absolute stiffness and inerters. In: 2012 UKACC International Conference on Control, 3-5 September 2012, Cardiff, Wales.

Full content URL: http://dx.doi.org/10.1109/CONTROL.2012.6334617

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Stability control of a railway vehicle using absolute stiffness and inerters

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Abstract

Work presented in this paper studies the potential of employing inerters - a novel mechanical device used successfully in racing cars - in active suspension configurations with the aim to enhance railway vehicle system performance. The particular element of research in this paper concerns railway wheelset lateral stability control. Controlled torques are applied to the wheelsets using the concept of absolute stiffness. The effects of a reduced set of arbitrary passive structures using springs, dampers and inerters integrated to the active solution are discussed. A multi-objective optimisation problem is defined for tuning the parameters of the proposed configurations. Finally, time domain simulations are assessed for the railway vehicle while negotiating a curved track. A simplification of the design problem for stability is attained with the integration of inerters to the active solutions

Keywords:railway vehicle, Suspension design, Control Systems
Subjects:H Engineering > H660 Control Systems
H Engineering > H332 Rail Vehicle Engineering
Divisions:College of Science > School of Engineering
ID Code:15056
Deposited On:26 Sep 2014 08:28

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