Novel mechatronic solutions incorporating inerters for railway vehicle vertical secondary suspensions

Alejandra Z. Matamoros-Sanchez, Roger M. Goodall

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This paper discusses the effects of inerter-based passive networks in the design of novel mechatronic solutions for improving the vertical performance of a bogied railway vehicle. Combinations of inerter-based structures and active suspensions comprise distinct novel mechatronic solutions for the vertical secondary suspension of the vehicle. The parameters of the active and passive parts of the overall configuration are optimised so that a synergy arises to enhance the vehicle vertical performance and simplify common mechatronic suspension design conflicts. The study is performed by combining inerter-based suspensions with well-established active control (output-based and model-based) strategies for ride quality enhancement. Also, a novel nonlinear control strategy, here called Adaptive Stiffness, is incorporated for suspension deflection regulation to complement the well-known local implementation of skyhook damping. This would complete a significant set of control strategies to produce general conclusions. The vehicle performance is assessed through the vertical accelerations of the vehicle body as an initial investigation. Attained results show the potential of the inerter concept for innovating mechatronic technologies to achieve substantial improvements in railway vehicle vertical ride quality with reduced actuator force.

Original languageEnglish
Pages (from-to)113-136
Number of pages24
JournalVehicle System Dynamics
Volume53
Issue number2
Early online date8 Dec 2014
DOIs
Publication statusPublished - 2015
Externally publishedYes

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Mechatronics
Passive networks
Vehicle performance
Actuators
Damping
Stiffness

Cite this

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title = "Novel mechatronic solutions incorporating inerters for railway vehicle vertical secondary suspensions",
abstract = "This paper discusses the effects of inerter-based passive networks in the design of novel mechatronic solutions for improving the vertical performance of a bogied railway vehicle. Combinations of inerter-based structures and active suspensions comprise distinct novel mechatronic solutions for the vertical secondary suspension of the vehicle. The parameters of the active and passive parts of the overall configuration are optimised so that a synergy arises to enhance the vehicle vertical performance and simplify common mechatronic suspension design conflicts. The study is performed by combining inerter-based suspensions with well-established active control (output-based and model-based) strategies for ride quality enhancement. Also, a novel nonlinear control strategy, here called Adaptive Stiffness, is incorporated for suspension deflection regulation to complement the well-known local implementation of skyhook damping. This would complete a significant set of control strategies to produce general conclusions. The vehicle performance is assessed through the vertical accelerations of the vehicle body as an initial investigation. Attained results show the potential of the inerter concept for innovating mechatronic technologies to achieve substantial improvements in railway vehicle vertical ride quality with reduced actuator force.",
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Novel mechatronic solutions incorporating inerters for railway vehicle vertical secondary suspensions. / Matamoros-Sanchez, Alejandra Z.; Goodall, Roger M.

In: Vehicle System Dynamics, Vol. 53, No. 2, 2015, p. 113-136.

Research output: Contribution to journalArticle

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