A mechanical brake hardware-in-the-loop simulation of a railway vehicle that accounts for hysteresis and pneumatic cylinder dynamics

Lee, Dong-Chan; Kang, Chul-Goo

doi:10.1177/1687814015616086

Cited by 12 publications

(3 citation statements)

References 13 publications

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“…Design criteria for test rigs have been proposed for the first time by BR-AEA tech in the late 1990s [4] and then in early 2000 by Trenitalia SPA [5]. There is still a continuous interest in literature regarding hardware in the loop simulation [6][7][8][9], WSP testing, and the development of wheel-rail degraded adhesion models that have been proposed also for a new generation of roller rigs [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

HIL testing of wheel slide protection systems: criteria for continuous updating and validation

et al. 2023

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Assessment of railway wheel slide protection (WSP) systems involves the execution of complex experimental activities that are quite expensive and time-consuming, since they involve the physical reproduction of degraded adhesion conditions on a real railway line. WSP is devoted to regulating applied braking forces to avoid excessive wheel sliding in case of degraded adhesion conditions between wheel and rail. WSP must be also compliant to safety specifications related to assured braking performances and consumed air. Hardware in the loop (HIL) testing offers an affordable and sustainable way to accelerate these activities optimizing cost, duration and safety of experimental activities performed online. HIL test rigs are subjected to continuous updates, customization and natural ageing of their components. This work investigates the criteria that can be adopted to assure a continuous monitoring and validation of a real WSP test rig, the Italian test rig of Firenze Osmannoro.

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Section: Introductionmentioning

confidence: 99%

HIL testing of wheel slide protection systems: criteria for continuous updating and validation

et al. 2023

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“…In the case of railroad vehicles, HIL simulator has been actively applied to reduce the risk of developing new technologies and applying them to actual vehicles to verify performance. [25][26][27][28] HIL simulator are often used to evaluate real-world development or controller prototypes using fast computing devices and highly reliable real-time analysis models. To construct HIL simulation for verification of individual motor torque control technology to improve the driving performance of railroad vehicles using the independently rotating wheelset proposed in this paper, it is necessary to secure highly reliable realtime vehicle analysis model.…”

Section: Introductionmentioning

confidence: 99%

Development and verification of individual motor control technology to improve the driving performance of independently rotating wheel type railway vehicle using hardware-in-the-loop (HIL) Simulator

Cho¹

2020

Measurement and Control

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In order to realize the tram’s low-floor structure, most of the trams that have been recently introduced adopt an independently rotating wheelset. In the case of trains driving in two regions with different gauges, an independently rotating wheelset may be applied to utilize the variable track technology. Since the independent rotation type wheelset has no rotational restraint of the left and right wheels, the difference in rotational speed between the outer and inner wheels occurs naturally during curved driving, and it is applied to railroad vehicles traveling in sharp curve sections because it smoothly drives curved driving. However, the longitudinal creep force and the lateral restoring force are weakened as the left and right rotational constraints disappear. Lack of lateral direction restoring force weakens stability while causing continuous flange contact driving or zigzag phenomenon against disturbance. Under the conditions of driving in a sharp curve, these railway vehicles generate excessive wear, noise, and lateral pressure, as well as deterioration of ride comfort and derailment. In order to overcome these drawbacks, a method has been proposed in which the torque of a motor mounted on each wheel is individually controlled to generate lateral restoring force or to improve driving performance through lateral displacement control using a yaw moment. In this paper, development using HIL (hardware in the loop) simulator was performed to check the performance and stability of the individual motor torque control technology before verifying by applying the individual motor torque control to the actual vehicle. HIL simulator were constructed by combining a real-time dynamic analysis model of a railway vehicle with a drive motor to which real individual motor control was applied. Under the conditions of driving the test track where the actual test vehicle was tested, the analysis of the driving characteristics and the control characteristics of the disturbance was performed to confirm the proposed individual motor torque control performance.

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“…Значному розповсюдженню композиційних колодок на рухомому складі сприяли роботи В. Г. Іноземцева, Л. О. Вуколова [5,7]. В сучасних закордонних працях розглядаються питання дослідження різних типів гальмових колодок та імітації випробування гальмових систем вагонів [11,12]. Однак оптимізація елементів механічної частини гальм в даних роботах не проводилася.…”

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Improvement Mechanical Brake Elements of Refrigerator Сar

Voloshin¹,

Afanasenko²,

Derevianchuk³

2019

Collection of Scientific Works of the Ukrainian State University of Railway Transport

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Збірник наукових праць Українського державного університету залізничного транспорту Збірник наукових праць УкрДУЗТ, 2019, вип. 185 23 ЗАЛІЗНИЧНИЙ ТРАНСПОРТ (273) УДК 629.4.077-592 УДОСКОНАЛЕННЯ КОНСТРУКЦІЇ ЕЛЕМЕНТІВ ВАЖІЛЬНОЇ ПЕРЕДАЧІ РЕФРИЖЕРАТОРНОГО ВАГОНА Канд. техн. наук Д. І. Волошин, старші викладачі І. М Афанасенко, Я. В. Дерев'янчук IMPROVEMENT MECHANICAL BRAKE ELEMENTS OF REFRIGERATOR СAR PhD (Tech.) D. Voloshin, Senior lecturer I. Afanasenko, Senior lecturer Y. Derevianchuk У статті розглянуто технічні і конструкційні недоліки гальмової важільної передачі рефрижераторного рухомого складу. Проведена оцінка зусиль та напружень, що діють у типовій конструкції передачі цих вагонів при різних режимах. Розраховані на міцність окремі елементи гальмової передачі. Виконана перевірка на міцність спеціалізованих під композиційні колодки важелів за допомогою програмного комплексу Autodesk Inventor. Використовуючи програмний комплекс Siemens Solid Edge, запропоновано їх удосконалення. Ключові слова: гальмова важільна передача, вантажний вагон, рефрижераторний вагон, гальмові колодки, міцність.Тhе brake systems perform an important function in ensuring the safety of railway rolling stock. Improving the brake systems of rolling stock increases their efficiency and reliability, simplifies repair and maintenance. Different types of brake systems of refrigeration rolling stock are compared. The advantages and disadvantages of various lever gears are considered depending on the type of brake pads used in the refrigeration rolling stock.The erroneous installation of composite pads on wagons, the lever gear of which is set for cast iron pads, can damage wheel sets. Damage to wheel pains, such as pebbles, cracks, and other defects due to incorrect operation, threaten the safety of the movement.The well-known structures of the levers used in foreign railways are analyzed. Using the stamped levers, the American firm Wabtec reduces the mass due to the changed shape of the lever.The efforts made in the transmission of the refrigerated wagon for different types of brake pads have been evaluated. It is established that when using composite pads in the brake lever transmission, the forces acting in its components are smaller than those of cast iron pads. This leads to the conclusion about the possibility of improving the geometric shape of the elements in their specialization in composite pads. Autodesk Inventor software package was used to test the strength of specialized components for composite brake pads.It is proposed, using the software package Siemens Solid Edge, and new functional as generative design, to improvement the elements of the brake linkage. An example of improvement of brake linkage elements of a refrigerator car is implemented.Thus, the specialization of the levers of a refrigerator car under the composite pads will reduce the levers weight by 19,8%, and with the possible improving -43,8% per car, which will reduce the mass and the coefficients of the tare of the car.

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A mechanical brake hardware-in-the-loop simulation of a railway vehicle that accounts for hysteresis and pneumatic cylinder dynamics

Cited by 12 publications

References 13 publications

HIL testing of wheel slide protection systems: criteria for continuous updating and validation

HIL testing of wheel slide protection systems: criteria for continuous updating and validation

Development and verification of individual motor control technology to improve the driving performance of independently rotating wheel type railway vehicle using hardware-in-the-loop (HIL) Simulator

Improvement Mechanical Brake Elements of Refrigerator Сar

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