Yaw Compensation and Yaw Relaxation Controls for Active Steering of Railway Wheelsets via Electromechanical Actuators

Xiaoyuan Liu; Roger Goodall; Simon Iwnicki

doi:10.1177/09544097211004322

Yaw Compensation and Yaw Relaxation Controls for Active Steering of Railway Wheelsets via Electromechanical Actuators

Xiaoyuan Liu, Roger Goodall, Simon Iwnicki

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

It is known that good curving performance and stability often have conflicting requirements given a passive yaw stiffness of the wheelset. Using an active steering system, however, has the potential to realize improved curving performance with a satisfactory running stability. Relatively simple active control solutions of yaw relaxation and yaw compensation are illustrated and compared in this paper. In both control solutions, only low-cost electromechanical actuators and load cells are adopted for low-frequency actuations. Associated with a prototype of the two-axle vehicle, the dynamic performances of yaw relaxation and yaw compensation controls for different yaw stiffness configurations are simulated. The homogenous
simulation results demonstrate excellent dynamic performance in curve negotiation and stability with the active steering strategies adopted.

Original language	English
Pages (from-to)	70-79
Number of pages	10
Journal	Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit
Volume	236
Issue number	1
Early online date	31 Mar 2021
DOIs	https://doi.org/10.1177/09544097211004322
Publication status	Published - 1 Jan 2022

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10.1177/09544097211004322Licence: CC BY

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title = "Yaw Compensation and Yaw Relaxation Controls for Active Steering of Railway Wheelsets via Electromechanical Actuators",

abstract = "It is known that good curving performance and stability often have conflicting requirements given a passive yaw stiffness of the wheelset. Using an active steering system, however, has the potential to realize improved curving performance with a satisfactory running stability. Relatively simple active control solutions of yaw relaxation and yaw compensation are illustrated and compared in this paper. In both control solutions, only low-cost electromechanical actuators and load cells are adopted for low-frequency actuations. Associated with a prototype of the two-axle vehicle, the dynamic performances of yaw relaxation and yaw compensation controls for different yaw stiffness configurations are simulated. The homogenoussimulation results demonstrate excellent dynamic performance in curve negotiation and stability with the active steering strategies adopted.",

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author = "Xiaoyuan Liu and Roger Goodall and Simon Iwnicki",

note = "Funding Information: The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: The authors acknowledge the EU {\textquoteleft}Shift2Rail{\textquoteright} RUN2Rail project under grant agreement No. 777564 and {\textquoteleft}Shift2Rail{\textquoteright} NextGear project under grant agreement No. 881803 for the financial supports to this research. Publisher Copyright: {\textcopyright} IMechE 2021. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",

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Yaw Compensation and Yaw Relaxation Controls for Active Steering of Railway Wheelsets via Electromechanical Actuators. / Liu, Xiaoyuan; Goodall, Roger; Iwnicki, Simon.

In: Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, Vol. 236, No. 1, 01.01.2022, p. 70-79.

Research output: Contribution to journal › Article › peer-review

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N2 - It is known that good curving performance and stability often have conflicting requirements given a passive yaw stiffness of the wheelset. Using an active steering system, however, has the potential to realize improved curving performance with a satisfactory running stability. Relatively simple active control solutions of yaw relaxation and yaw compensation are illustrated and compared in this paper. In both control solutions, only low-cost electromechanical actuators and load cells are adopted for low-frequency actuations. Associated with a prototype of the two-axle vehicle, the dynamic performances of yaw relaxation and yaw compensation controls for different yaw stiffness configurations are simulated. The homogenoussimulation results demonstrate excellent dynamic performance in curve negotiation and stability with the active steering strategies adopted.

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Yaw Compensation and Yaw Relaxation Controls for Active Steering of Railway Wheelsets via Electromechanical Actuators

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