Relevant bibliographies by topics / Cars and track interaction

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Cars and track interaction'

Author: Grafiati
Published: 3 May 2022
Last updated: 30 July 2025

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Journal articles on the topic "Cars and track interaction"

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Hovorukha, Volodymyr, and Todor Zhelyazov. "Assessment of the stability and loading indicators of two-axle mine cars and rail tracks." E3S Web of Conferences 168 (2020): 00044. http://dx.doi.org/10.1051/e3sconf/202016800044.

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The paper presents the research results of the stability and loading of the two-axle mine cars and rail tracks with various design for calculation schemes construction of transport systems of underground rail haulage. The dependences of changes in loading, stability and operation safety of rolling stocks from the parameters of irregularities, curvature radii of the rail track and the movement speed of rolling stocks at various technical solutions of the transport system, have been studied. The research results of the interaction between the two-axle mine cars and rail track with the gauge of 7
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Bhatti, M. H., V. K. Garg, and K. H. Chu. "Dynamic Interaction Between Freight Train and Steel Bridge." Journal of Dynamic Systems, Measurement, and Control 107, no. 1 (1985): 60–66. http://dx.doi.org/10.1115/1.3140708.

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The dynamic responses of a railway steel bridge due to vehicle-track-bridge interaction were investigated for the effects of vertical and lateral track irregularities, approach track quality, vehicle weight and type, and train speed. It was found that (1) greater approach irregularities produce higher impact factors and dynamic forces in bridge members; (2) light weight and empty cars produce higher impact factors but small dynamic forces; and (3) impact factors depend on such parameters as axle spacing, suspension system stiffness, truck center distances, etc.
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Brzhezovskiy, A. M., O. A. Krasnobaev, A. V. Spirov, and I. E. Il’in. "On the permissible speeds of empty freight cars mounted on 18-100 model bogies." VNIIZHT Scientific Journal 80, no. 2 (2021): 65–75. http://dx.doi.org/10.21780/2223-9731-2021-80-2-65-75.

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Problem of ensuring motion safety of empty freight cars is most acute in relation to cars on bogies of model 18-100, which is mainly due to operational wear of wheelsets, side frames and bolsters, as well as spring suspension elements. A potential threat to traffic safety arises when a train, composed of mostly empty and lightly loaded cars, moves along track sections that have deviations in the geometry of rail track of III and higher degrees or combinations and sequences of deviations of II degree. The article presents the main results of complex studies: mathematical modeling of the dynamic
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Shvets, A. O. "INFLUENCE OF LATERAL DISPLACEMENT OF BOGIES ON THE FREIGHT CAR DYNAMICS." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 6(90) (April 8, 2021): 66–81. http://dx.doi.org/10.15802/stp2020/223519.

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Purpose. The work is aimed at determining the influence of the lateral displacement of a freight car bogie, taking into account the value of the movement speed on its main dynamic indicators and interaction indicators of the rolling stock and the track. Methodology. The quantitative assessment of dynamic indicators was obtained by the method of mathematical and computer modeling. The design scheme of the car takes into account the interaction peculiarities of cars as part of the train: the possibility of all modes of body vibration in space, the transmission of longitudinal force from neighbor
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Patlasov, О. M., and Y. M. Fedorenko. "Permissible Values of the Dynamic Impact of the Rolling Stock on the Railway Track in the Case of Axle Load Increase." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 3(93) (June 15, 2021): 15–23. http://dx.doi.org/10.15802/stp2021/242048.

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Purpose. The study is aimed at determining experimentally the values of the parameters characterizing the dynamic effect of rolling stock on the railway track, substantiating the maximum permissible (limiting) values. Methodology. To investigate the interaction between the track and the rolling stock, the devices to record various physical processes were installed on the experimental sections. The devices were installed in 8 sections along the outer railway line. To establish the actual state of the track, field measurements were carried out in accordance with the Program and research methodol
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Mokrii, T. F., I. Yu Malysheva, L. G. Lapina, and N. V. Bezrukavyi. "Passenger car wheel profile for the operation on the Ukrainian and European railways." Technical mechanics 2022, no. 4 (2022): 111–20. http://dx.doi.org/10.15407/itm2022.04.111.

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The relevance of this work stems from the urgent need for the modern development of the Ukrainian railway transport and the acceleration of Ukraine's integration into the European railway transportation. Currently, the most effective way to travel across borders between countries with different track gauges is the use of gauge-changeable wheelsets, a system that can change from one gauge to another when moving through special gauge changing facilities. The use of cars with gauge-changeable wheelsets on the Ukrainian and European railways calls for assuring a good compatibility of the wheel-rai
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Potapov, Dmytro, Sergij Panchenko, Yaroslav Leibuk, Yuseph Tuley, and Pavel Plis. "Effect of joint and isolated irregularities of the track on the wear of rails in curves." MATEC Web of Conferences 230 (2018): 01012. http://dx.doi.org/10.1051/matecconf/201823001012.

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The purpose of the work is to identifying causes of intensive lateral wear of rails and other track failures in short radius curves using numerical methods. The study has been conducted for the most common type of rolling stock: four-axle freight cars on TsNII-Ch3 bogies, transportation of which makes 75-90% of freight load of the track sections. Thus, it is the effect of these cars which is the main cause of the above disorders. To solve the problem, effect of the following parameters of the track plan on dynamic processes of interaction of the track and rolling stock was investigated in the
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Shvets, A. O. "INTERACTION DYNAMICS OF SOME TYPES OF FREIGHT CARS WITH A RAILWAY TRACK." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 5(89) (December 2, 2020): 142–59. http://dx.doi.org/10.15802/stp2020/217649.

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Kozachenko, D., B. Gera, I. Taran, R. Korobiova, V. Malashkin, and Yu Hermaniuk. "Improvement of the method of time rationing for assembling car groups on one track." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 1 (February 29, 2024): 147–53. http://dx.doi.org/10.33271/nvngu/2024-1/147.

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Purpose. To improve the method for standardizing the duration of the shunting operation of assembling cars on one track. This can be achieved as a result of solving the following research problems: development of a method for searching the optimal order of assembling cars on one track; distribution parameters estimation of the random value of the duration of shunting operation of assembling cars on one track based on calculation experiments. Methodology. During the research, the methods of theory of railway operation, dynamic programming and mathematical statistics were used. Findings. Researc
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Mokrii, T. F., I. Yu Malysheva, N. V. Bezrukavyi, and I. M. Ladyhin. "Refinement of the rail–wheel contact pair to improve rail–wheel interaction conditions for railway vehicles with an increased axle load." Technical mechanics 2021, no. 4 (2021): 129–36. http://dx.doi.org/10.15407/itm2021.04.129.

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At present, one of the global trends in railway transport development, which becomes clearer and clearer, is increasing the axle load of freight cars, which gives a considerable economic benefit. In this connection, of importance is not only the car design, but also the car capacity utilization factor: the higher this factor, the more economically efficient the car use. Because of this, one of the priority global lines in increasing the volume of fright traffic and the railway operation efficiency is increasing the carrying capacity of freight cars. Preparing the railways for cars with increas
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Dissertations / Theses on the topic "Cars and track interaction"

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Hawari, Haitham M. "Minimising track degradation through managing vehicle/track interaction." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16366/1/Haitham_Hawari_Thesis.pdf.

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The rate at which a railway track deteriorates depends on the response of the track under different static and repeated dynamic forces. These wheel/rail forces lead to imperfections in the rail surface and deviation in track geometry alignment. The wheel/rail forces are dependent upon the quality of maintenance of the characteristics of both train and track. If train components such as wheelsets and suspensions are maintained to a high standard, less dynamic forces are generated at the wheel/rail interface and less damage is caused over time. Therefore, the amount and cost
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Hawari, Haitham M. "Minimising track degradation through managing vehicle/track interaction." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16366/.

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The rate at which a railway track deteriorates depends on the response of the track under different static and repeated dynamic forces. These wheel/rail forces lead to imperfections in the rail surface and deviation in track geometry alignment. The wheel/rail forces are dependent upon the quality of maintenance of the characteristics of both train and track. If train components such as wheelsets and suspensions are maintained to a high standard, less dynamic forces are generated at the wheel/rail interface and less damage is caused over time. Therefore, the amount and cost of maintenanc
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Revathi, Palaniappan Natchammai. "Forest Machine Track-Soil Interaction." Thesis, KTH, Maskinkonstruktion (Inst.), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-142428.

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I många västeuropeiska länder har metoden för skogsavverkning ändrats från användning av motorsåg till ett mekaniserat skogsavverkningssystem känt som kortvirkesmetoden. Denna metod är baserad på en tvåmaskinslösning – en skördare som fäller, grenar och sågar träden enlig fördefinierade längder, och en skotare som transporterar stockarna till en lastplats för vidare transport till en bearbetningsanläggning. För att utveckla skogsmaskiner som är skonsammare för marken behövs en djupare förståelse av interaktionen mellan terrängen och dragfordonet. Huvudfokus i detta projekt ligger på bandgående
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Chaar, Nizar. "Wheelset Structural Flexibility and Track Flexibility in Vehicle-Track Dynamic Interaction." Doctoral thesis, Stockholm : Farkost och flyg, Kungliga Tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4345.

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Jenkins, Jacqueline Marie. "Modeling the interaction between passenger cars and trucks." Texas A&M University, 2004. http://hdl.handle.net/1969.1/1296.

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The topic of this dissertation was the use of distributed computing to improve the modeling of the interaction between passenger cars and trucks. The two main focus areas were the development of a methodology to combine microscopic traffic simulation programs with driving simulator programs, and the application of a prototype distributed traffic simulation to study the impact of the length of an impeding vehicle on passing behavior. The methodology was motivated by the need to provide an easier way to create calibrated traffic flows in driving simulations and to capture vehicle behavior with
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Le, Good G. M. "Aerodynamic characteristics of passenger cars : comparison between wind tunnel and track derived data." Thesis, Cranfield University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260296.

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Hunt, Geoffrey A. "Dynamic analysis of railway vehicle/track interaction forces." Thesis, Loughborough University, 1986. https://dspace.lboro.ac.uk/2134/7492.

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Methods of predicting the dynamic forces are developed for the cases of vehicles negotiating vertical and lateral track irregularities. The bounds of validity of various models of the track are evaluated, from single degree of freedom, lumped parameter models to the case of a two layered beam on elastic foundation with a moving dynamic load. For the case of the lateral response of a vehicle negotiating a track switch, a finite element model of the track is also developed. The vehicle model developed for-the vertical case contains all the rigid body modes of a four axle vehicle for which primar
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Holst, Carl-Johan. "Utilising accelerometer and gyroscope in smartphone to detect incidents on a test track for cars." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-65554.

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Every smartphone today includes an accelerometer. An accelerometer works by detecting acceleration affecting the device, meaning it can be used to identify incidents such as collisions at a relatively high speed where large spikes of acceleration often occur.A gyroscope on the other hand is not as common as the accelerometer but it does exists in most newer phones. Gyroscopes can detect rotations around an arbitrary axis and as such can be used to detect critical rotations.This thesis work will present an algorithm for utilising the accelerometer and gyroscope in a smartphone to detect inciden
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White, Darris L. "Statistical Characterization of Vehicle and Track Interaction Using Rail Vehicle Response and Track Geometry Measurements." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36835.

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This study evaluates the dynamic interaction between rail vehicles and the track on which they travel. The measurements were analyzed in the time and frequency domain. The effects of external parameters such as the vehicle design, subgrade stiffness, and degree of curvature were analyzed and compared for both the vehicle response and the track geometry data. This study was conducted in close cooperation with the Transportation Technology Center, Inc. (TTCI) in Pueblo, Colorado. The track and vehicle response data was collected on the High Tonnage Loop at TTCI over a span of approximately te
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Zhan, Yun, and 詹云. "Finite element analysis of vibration excited by rail-wheel interaction." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/208053.

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Books on the topic "Cars and track interaction"

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Rui, Calçada, ed. Track-bridge interaction on high-speed railways. Taylor & Francis, 2008.

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DeLorenzo, Matt, and John Lamm. Road & track enthusiast's guide to Ford cars. Hachette Filipacchi Magazines, 1999.

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Otfinoski, Steven. Around the track: Race cars then and now. Benchmark Books, 1998.

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Steve, Smith. Stock car dirt track technology. Steve Smith Autosports, 1995.

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Dave, Arnold. Outlaw sprint cars: Inside look at dirt track racing. Motorbooks International, 1987.

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American Society of Mechanical Engineers. Rail Transportation Division. and International Mechanical Engineering Congress and Exposition (2006 : Chicago, Ill.), eds. Rail transportation--2006: Presented at 2006 ASME International Mechanical Engineering Congress and Exposition : November 5-10, 2007, Chicago, Illinois, USA. American Society of Mechanical Engineers, 2007.

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K, Punwani S., American Society of Mechanical Engineers. Rail Transportation Division., and International Mechanical Engineering Congress and Exposition (2001 : New York, N.Y.), eds. Rail transportation--2001: Presented at the 2001 ASME International Mechanical Engineering Congress and Exposition : November 11-16, 2001, New York, New York. American Society of Mechanical Engineers, 2001.

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M.a.x. museo (Chiasso, Switzerland) and Museo dell'automobile Carlo Biscaretti di Ruffia, eds. Auto che passione!: Interazione fra grafica e design = Cars what passion! : Interaction between graphic art and design. Skira, 2018.

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Bolles, R. C. Stock car setup secrets: Advanced chassis and suspension technology for asphalt and dirt circle track racing. HPBooks, 2003.

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Rabbitt, John T. The QS-9000 book: The fast track to compliance. Quality Resources, 1998.

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Book chapters on the topic "Cars and track interaction"

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Tscheligi, Manfred, Albrecht Schmidt, David Wilfinger, Alexander Meschtscherjakov, and Andrew L. Kun. "User Experience in Cars." In Human-Computer Interaction – INTERACT 2011. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23768-3_143.

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Politis, Ioannis, Patrick Langdon, Michael Bradley, et al. "Designing Autonomy in Cars." In Designing Interaction and Interfaces for Automated Vehicles. CRC Press, 2021. http://dx.doi.org/10.1201/9781003050841-4.

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Boronenko, Yuri P., Galina A. Povolotskaia, Rustam V. Rahimov, and Yurii B. Zhitkov. "Diagnostics of Freight Cars Using On-Track Measurements." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38077-9_20.

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Ariaudo, Caterina, Naim Kuka, and Riccardo Verardi. "Impact of Track Health on Vehicle-Track Interaction Loads." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38077-9_88.

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Hussain, Qamir, and Ing-Marie Jonsson. "A Multi-modal Architecture for Intelligent Decision Making in Cars." In Universal Access in Human-Computer Interaction. Ambient Interaction. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-73281-5_42.

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Fröhling, Robert. "Vehicle/Track Interaction Optimisation within Spoornet." In System Dynamics and Long-Term Behaviour of Railway Vehicles, Track and Subgrade. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-45476-2_2.

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Laplane, Mariano F., and Fernando Sarti. "MERCOSUR: Interaction between Governments and Producers and the Sustainability of the Regional Automobile Industry." In Cars, Carriers of Regionalism? Palgrave Macmillan UK, 2004. http://dx.doi.org/10.1057/9780230523852_8.

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Cui, Zhen-Dong. "Dynamic Response of Subway Track." In Interaction Between Soil Foundation and Subway Shield Tunnel. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-6870-1_2.

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Kassa, Elias, and Xiaopei Cai. "Modelling of the Dynamic Train-Track-Substructure Interaction for Track Monitoring." In Springer Series in Reliability Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-62472-9_1.

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Xu, Yan, Caijin Yang, Zhendong Liu, Weihua Zhang, and Sebastian Stichel. "Long-Term High-Speed Train–Track Dynamic Interaction Analysis Using a Moving Train–Track Interaction Model." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-07305-2_28.

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Conference papers on the topic "Cars and track interaction"

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Sramota, Jan, and Amund Skavhaug. "Dataset of Vehicle-Track Interaction Measured on Railway Turnouts." In 2024 IEEE 27th International Conference on Intelligent Transportation Systems (ITSC). IEEE, 2024. https://doi.org/10.1109/itsc58415.2024.10919935.

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Otremba, Frank, and José Antonio Romero Navarrete. "A Testing Rig to Study Vehicle-Track Interaction During Turning." In 2018 Joint Rail Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/jrc2018-6102.

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Developing of testing rigs represents a crucial activity for understanding the behavior of physical systems. A sloshing cargo in a railway tank car involves the dynamic interaction of the cargo-frame systems, characterized by lateral load transfers derived from the motion of the cargo. Such dynamic loads could develop a concentrated damage in the rail. While it has been recognized in the literature the influence of such dynamic sloshing forces on the wheel load exerted on the rails, affecting the lateral stability of the car and, consequently, the level of stress in the rail, no experimental v
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Li, Dingqing, Semih F. Kalay, and William Shust. "Vehicle/Track Interaction Tests of Three Freight Vehicles on Revenue Service Tracks." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/rtd-25702.

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Abstract Transportation Technology Center Inc. (TTCI), a subsidiary of the Association of American Railroads (AAR), conducted extensive vehicle/track interaction tests from 1998 to 2000 on revenue service tracks for three freight vehicles (covered hopper, tank car and coal gondola). During those tests, both track geometry and the corresponding vehicle response were collected simultaneously. All together, more then 1,400 miles of revenue tracks were tested on three North American railroads, covering a wide range of track and operation conditions. This paper presents the test results and finding
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Najikovsky, Boris, Kevin Kesler, and Jeffrey Stevens. "Real Time Monitoring of Vehicle/Track Interaction." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80805.

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ENSCO, Inc. has developed the next generation of real time Vehicle Track Interaction (V/TI) Monitoring system. The system provides continuous measurement of car body, truck motions and axle impacts. Software detects various acceleration events, tag them with GPS time and location information, and deliver the data to a central processing system through the latest Code Division Multiple Access (CDMA) wireless communication network. Upon delivery, the information is automatically tagged with milepost and subdivision or other geographic reference and loaded into an enterprise database management s
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Meddah, Abe, and Silvia Galván-Núñez. "Examination of Fast Track Geometry and Vehicle/Track Interaction Exceptions." In 2022 Joint Rail Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/jrc2022-79569.

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Abstract Track conditions can change rapidly when operating in a revenue service heavy axle load environment. Because the assessment of track health for safe railroad operations is a fundamental priority for the railroad industry in North America, various track monitoring technologies, such as Track Geometry Measurement Vehicles (TGMVs) and unattended Vehicle/Track Interaction (V/TI) systems, are regularly deployed to determine whether track maintenance attention is warranted. To investigate the track condition monitoring differences between TGMV and V/TI technologies in a controlled environme
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Boronenko, Yuriy, Rustam Rahimov, and Waail Mahmod Lafta. "Develop a New Approach Measuring the Wheel/Rail Interaction Loads." In 2021 Joint Rail Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/jrc2021-58471.

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Abstract Determine and control the impact of rolling stock on the railway track, one of the significant subjects of railway engineering, especially with heavy traffic and innovative freight cars with increased axle loads. Different methods utilized to measure the lateral impact of rolling stock on a railway based on the use of strain gauges installed on the rail differ in the location of strain gauges and the specifics of processing the received signals. The shortage of these methods that the lateral force arising from the wheel/rail interaction determined when the wheel position over the stra
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Aboubakr, Ahmed K., and Ahmed A. Shabana. "Numerical Study on the Delay Effect of Air Brake Mass Flow on Train Coupler Forces." In 2020 Joint Rail Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/jrc2020-8013.

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Abstract In existing freight-train braking systems, braking is applied on individual cars sequentially at the speed of the air pressure. In the case of long trains that consist of hundreds of rail cars, there is a time delay that results in large and impulsive compressive and tensile coupler forces. These coupler forces compromise the train safe operation and stability, make train handling difficult, cause track damage, raise significantly the maintenance cost, and increase the stopping distances which can lead to serious accidents. The objective of this investigation is to investigate the eff
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Taheri, Saied, Behzad Moslehi, Vahid Sotoudeh, and Brad M. Hopkins. "Rail Defect Detection Using Fiber Optic Sensors and Wavelet Algorithms." In 2018 Joint Rail Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/jrc2018-6109.

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Early detection of rail defects can avoid derailments and costly damage to the train and railway infrastructure. Small breaks, cracks or corrugations on the rail can quickly propagate after only a few train cars have passed over it, creating a potential derailment. The current technology makes use of a dedicated instrumented car or a separate railway monitoring vehicle to detect large breaks. These cars are usually equipped with accelerometers mounted on the axle or side frame. The simple detection algorithms use acceleration thresholds which are set at high values to eliminate false positives
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Mutswatiwa, Lovejoy, Celestin Nkundineza, and Mehmet A. Güler. "Modelling the Effect of Track Stiffness Variation on Wheel Rail Interaction Using Finite Element Method." In 2021 Joint Rail Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/jrc2021-58519.

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Abstract For predictive maintenance purpose, wheel and rail wear evolution models have been developed based on wheel rail contact force calculations. These models are known to assume the wheel rotating on a rigid rail. However recent developments have shown that the flexibility of the track plays an important role in wear evolution. On the other hand, vertical track stiffness variation along the track is known to exist and to affect the track flexibility. The present research work investigates the influence of non-uniform track modulus on the wheel rail contact forces using elasto-plastic expl
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Severson, Kristine J., David C. Tyrell, and A. Benjamin Perlman. "Rail Passenger Equipment Collision Tests: Analysis of Structural Measurements." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-2139.

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Abstract A two-car full-scale collision test was conducted on April 4, 2000. Two coupled rail passenger cars impacted a rigid wall at 26 mph. The cars were instrumented with strain gauges, accelerometers, and string potentiometers, to measure the deformation of critical structural elements, the longitudinal, vertical, and lateral car body accelerations, and the displacements of the truck suspensions. Instrumented crash test dummies were also tested in several seat configurations, with and without lap and shoulder belts. The objectives of the two-car test were to measure the gross motions of th
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Reports on the topic "Cars and track interaction"

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Karafiath, Leslie L. Dynamic Track-Terrain Interaction Model. Defense Technical Information Center, 1988. http://dx.doi.org/10.21236/ada196031.

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Hoover, Carol L. Human-Computer Interaction (HCI) Specialization Track Masters of Software Engineering (MSE) Program. Revision. Defense Technical Information Center, 1995. http://dx.doi.org/10.21236/ada292895.

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Olson, Hannah, Madeleine Haas, and Megan L. Kavanaugh. State-Level Contraceptive Use and Preferences: Estimates from the US 2022 Behavioral Risk Factor Surveillance System. Guttmacher Institute, 2024. http://dx.doi.org/10.1363/2024.300488.

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Contraception plays a key role in people’s realization of their sexual and reproductive health and well-being. The factors that shape contraceptive behaviors are complex and dynamic, and there is growing recognition among reproductive health service providers and advocates that contraceptive service delivery must prioritize patients’ values and preferences to help them exercise their reproductive autonomy.1 Similarly, research and public health surveillance systems that measure not only contraceptive use and method selection but also contraceptive preferences are best suited to evaluate servic
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Wang, Shenlong, and David Forsyth. Safely Test Autonomous Vehicles with Augmented Reality. Illinois Center for Transportation, 2022. http://dx.doi.org/10.36501/0197-9191/22-015.

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This work exploits augmented reality to safely train and validate autonomous vehicles’ performance in the real world under safety-critical scenarios. Toward this goal, we first develop algorithms that create virtual traffic participants with risky behaviors and seamlessly insert the virtual events into real images perceived from the physical world. The resulting composed images are photorealistic and physically grounded. The manipulated images are fed into the autonomous vehicle during testing, allowing the self-driving vehicle to react to such virtual events within either a photorealistic sim
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Carranza, Juan Esteban, Alejandra Ximena González-Ramírez, Juan Sebastián Vélez-Velásquez, and Alex Perez. Exchange rate pass-through in the Colombian car market. Banco de la República, 2023. http://dx.doi.org/10.32468/be.1240.

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The incomplete pass-through of exchange rates to prices is a well-documented phenomenon. Firms respond optimally to exchange rate shocks by adjusting margins and buying inputs from regions with more advantageous terms of trade. Consumers, in turn, substitute goods that become more expensive for relatively cheaper goods after an exchange rate shock. We use data from the market for new cars in Colombia to empirically analyze the determinants of incomplete pass- through after a large depreciation of the local currency. We estimate a structural oligopoly model that nests the optimal reactions of f
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Johnston, Morgan, Kiara Pazan, Yan Ding, Mary Allison, and Sung-Chan Kim. Surge analysis in Mobile Harbor, Alabama : ship-simulation report. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47596.

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A navigation channel improvement study for Mobile Harbor was conducted by the US Army Corps of Engineers, Mobile District (CESAM), and the Alabama State Port Authority. The US Army Engineer Research and Development Center (ERDC) assisted CESAM in assessing channel modifications using ERDC’s Ship/Tow Simulator through a Feasibility Level Screening Simulation study in 2017 and through a more comprehensive ship-simulation study in 2020. During the 2020 study, a safety concern was identified related to vessel interactions between a transiting vessel passing docked vessels at the McDuffie Coal Term
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Martin, S., Larry Daggett, Morgan Johnston, et al. Houston Ship Channel Expansion Improvement Project – Navigation Channel Improvement Study : ship simulation results. Coastal and Hydraulics Laboratory (U.S.), 2021. http://dx.doi.org/10.21079/11681/42342.

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In 2020, the US Army Engineer Research and Development Center (ERDC), Coastal and Hydraulics Laboratory, provided technical oversight during a navigation study to assist the Galveston District evaluation of different channel widening alternatives for larger ships transiting the Houston Ship Channel (HSC), Texas. The widening proposals encompassed several areas of the HSC including the Bay Section, the Bayport Ship Channel, Barbours Cut Channel, and the Bayou Section. The study was performed at the San Jacinto College Maritime Technology and Training Center (SJCMTTC) Ship/Tug Simulator (STS) Fa
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Improved reproductive health and STD services for women presenting to family planning services in North Jakarta. Final report of activities. Population Council, 1997. http://dx.doi.org/10.31899/rh1997.1011.

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The overall goal of this study was to develop an integrated program of reproductive tract infection/sexually transmitted disease (RTI/STD) clinical services within two family planning clinics in low-income neighborhoods in North Jakarta. Multiple training programs to introduce a standardized clinical evaluation for the detection, treatment, and management of RTI/STDs were conducted. Prior and subsequent to training, observations of health care provider (HCP) and client interactions were conducted to evaluate behavior changes among HCPs. Each consenting client received a standardized reproducti
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Aerodynamic Development of the GAC ENO.146 Concept. SAE International, 2021. http://dx.doi.org/10.4271/2021-01-5093.

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This paper describes the aerodynamic development process and features of the flow field of the GAC ENO.146, a concept vehicle shown in Guangzhou Auto Show 2019, which achieved a CD of 0.146. Key factors in the design process, including how design decisions are made and how the interactions occur between aerodynamicists and designers are explained in detail. The design language forms the next generation of BEVs. The aerodynamic development philosophy is guided by three principles: minimizing flow separation, maximizing rear pressure recovery, and controlling tire wake. This vehicle took full ad
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