A design and bench test of multi-modal active suspension of railway vehicle

Sasaki, Katsuhiko; Kamoshita, Shogo; Enomoto, Mamoru

doi:10.1109/iecon.1994.398128

Cited by 11 publications

(10 citation statements)

References 3 publications

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“…These activities were the major field tests before the real implementation of active suspension. Research about rig tests and investigations of H 1 control in the same period can be found in [50,78].…”

Section: Implementation Of Active Secondary Suspension In Lateral Dirmentioning

confidence: 99%

Active suspension in railway vehicles: a literature survey

Giossi

Persson

et al. 2020

Rail. Eng. Science

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Since the concept of active suspensions appeared, its large possible benefits has attracted continuous exploration in the field of railway engineering. With new demands of higher speed, better ride comfort and lower maintenance cost for railway vehicles, active suspensions are very promising technologies. Being the starting point of commercial application of active suspensions in rail vehicles, tilting trains have become a great success in some countries. With increased technical maturity of sensors and actuators, active suspension has unprecedented development opportunities. In this work, the basic concepts are summarized with new theories and solutions that have appeared over the last decade. Experimental studies and the implementation status of different active suspension technologies are described as well. Firstly, tilting trains are briefly described. Thereafter, an indepth study for active secondary and primary suspensions is performed. For both topics, after an introductory section an explanation of possible solutions existing in the literature is given. The implementation status is reported. Active secondary suspensions are categorized into active and semi-active suspensions. Primary suspensions are instead divided between acting on solid-axle wheelsets and independently rotating wheels. Lastly, a brief summary and outlook is presented in terms of benefits, research status and challenges. The potential for active suspensions in railway applications is outlined.

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Section: Implementation Of Active Secondary Suspension In Lateral Dirmentioning

confidence: 99%

Active suspension in railway vehicles: a literature survey

Giossi

Persson

et al. 2020

Rail. Eng. Science

View full text Add to dashboard Cite

show abstract

“…In (1) and V is the sensor noise vector, V ∈ ℜ 17×1 ; Ξ is a white noise vector for random track irregularities, Ξ = [ ξ a ξ cl ] T . For the random white noise disturbances to generate the track irregularities and the measurement noise of the accelerations, the mean values are given by…”

Section: Railway Vehicle System Modelmentioning

confidence: 99%

“…However, the performance under the wide frequency range of excitations induced by the rail track irregularities may be limited. Therefore, the active suspension technologies for railway vehicles, which utilize oil cylinders and pneumatic actuators have been proposed and investigated [1][2][3][4]. The active suspension provides high control performance under the wide frequency range of excitations induced by the rail track irregularities, but it requires high power and sophisticated control implementation.…”

Section: Introductionmentioning

confidence: 99%

Semi-Active Suspension Systems for Railway Vehicles Based on Magnetorheological Fluid Dampers

Wang

Liao

2007

Volume 1: 21st Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C

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In this paper, a seventeen degree-of-freedom (DOF) model for a full scale railway vehicle integrated with the semi-active controlled magnetorheological (MR) fluid dampers in its secondary suspension system is proposed to cope with the lateral, yaw, and roll motions of the car body, trucks, and wheelsets. The governing equation considering the dynamics of the railway vehicle integrated with MR fluid dampers in the secondary suspension system and the dynamics of the rail track irregularities are developed. The Linear Quadratic Gaussion (LQG) control law using the acceleration feedback is adopted, in which the state variables are estimated from the measurable accelerations with a Kalman estimator. In order to evaluate how the performances of the railway vehicle system integrated with the semi-active controlled MR fluid dampers can be improved, the lateral, yaw, and roll accelerations of the car body, trucks, and wheelsets of a full scale railway vehicle integrated with MR fluid dampers, which are controlled (the semi-active) and uncontrolled (the passive on and passive off) respectively, are analyzed under the random track irregularities based on the established governing equations and the modelled track irregularities. The simulation results not only show the control effectiveness of the railway vehicle with the semi-active suspension system based on MR fluid dampers for railway vehicles, but also illustrate that the semi-active railway vehicle suspension system based on MR fluid dampers com-

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“…However, since the design of the passive system is fixed, the performance could be limited when the system or the operating condition changes such as variation of number of passengers or excitations induced by the rail track irregularities. On the other hand, several researchers have proposed and investigated active suspension technologies for railway vehicles [2][3][4][5][6] . The active suspension utilizing hydraulic or pneumatic actuators can provide high control performance, but it requires high power and sophisticated control implementation.…”

Section: Introductionmentioning

confidence: 99%

Design and analysis of a magnetorheological damper for train suspension

Lau

Liao

2004

SPIE Proceedings

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The development of high-speed railway vehicles has been a great interest of many countries because high-speed trains have been proven as an efficient and economical transportation means while minimizing air pollution. However, the high speed of the train would cause significant car body vibrations. Thus effective vibration control of the car body is needed to improve the ride comfort and safety of the railway vehicle. Various kinds of railway vehicle suspensions such as passive, active, and semi-active systems could be used to cushion passengers from vibrations. Among them, semi-active suspensions are believed to achieve high performance while maintaining system stable and fail-safe. In this paper, it is aimed to design a magnetorheological (MR) fluid damper, which is suitable for semi-active train suspension system in order to improve the ride quality. A double-ended MR damper is designed, fabricated, and tested. Then a model for the double-ended MR damper is integrated in the secondary suspension of a full-scale railway vehicle model. A semi-active on-off control strategy based on the absolute velocity measurement of the car body is adopted. The controlled performances are compared with other types of suspension systems. The results show the feasibility and effectiveness of the semi-active train suspension system with the developed MR dampers.

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A design and bench test of multi-modal active suspension of railway vehicle

Cited by 11 publications

References 3 publications

Active suspension in railway vehicles: a literature survey

Active suspension in railway vehicles: a literature survey

Semi-Active Suspension Systems for Railway Vehicles Based on Magnetorheological Fluid Dampers

Design and analysis of a magnetorheological damper for train suspension

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