Bibliografías temáticas / Magnetic levitation vehicles

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Literatura académica sobre el tema "Magnetic levitation vehicles"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 27 de julio de 2024

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Artículos de revistas sobre el tema "Magnetic levitation vehicles"

1

Zhang, Gaowei, Jianmei Zhu, Yan Li, Yuhang Yuan, Yuqing Xiang, Peng Lin, Li Wang, Jianxin Liu, Le Liang y Zigang Deng. "Simulation of the Braking Effects of Permanent Magnet Eddy Current Brake and Its Effects on Levitation Characteristics of HTS Maglev Vehicles". Actuators 11, n.º 10 (13 de octubre de 2022): 295. http://dx.doi.org/10.3390/act11100295.

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High-temperature superconducting (HTS) magnetic levitation (maglev) trains for designed high speed need a non-contact braking method that can produce stable and sufficient braking forces to ensure the safety of the train during emergency braking. In order to study the braking effects of permanent magnet eddy current braking (PMECB) used in HTS maglev vehicles and its effects on the levitation performance of HTS maglev vehicles, an equivalent two-dimensional simulation model of PMECB for a HTS maglev test vehicle under different working air gaps of 5 mm, 10 mm, 15 mm and 20 mm was established in Maxwell software. Then, a 6 degree of freedom dynamic model of the vehicle was established in Universal Mechanism software. In the dynamic simulation, the normal force of PMECB was not considered, and only the detent force of PMECB was taken as the excitation of the vehicle. The simulation results show that PMECBs can reduce the vehicle to relatively low speed in a few seconds. During the operation of PMECBs, the levitation height and levitation force of the maglev Dewar will be affected, and maximum variations in levitation heights and levitation forces occur on the Dewars at both ends of the vehicle. These help us to understand the braking and levitation performance of HTS maglev vehicles under the action of PMECBs and enrich the design idea of braking and levitation systems of HTS maglev vehicles equipped with PMECBs.
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Mishra, Rajat, Himashu Sharma y Harshit Mishra. "High-speed vacuum air vehicle". Transportation Systems and Technology 4, n.º 3 suppl. 1 (19 de noviembre de 2018): 328–39. http://dx.doi.org/10.17816/transsyst201843s1328-339.

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Background: There are a number of problems in the prior art, those are topics of research inputs likes ranges of the drag force generated by the vehicle, lift force at high vehicle motion velocities for compensation of the vehicle weight, Aerodynamic aspects of operation of the vehicle, Aim: Stream wise stability of vehicle motion and levitation and breaking of the vehicles and supersonic speed is not achieved in any mode of transportation. But this present invention related to high speed magnetic levitating transportation. More particularly, present invention is related to high speed magnetic levitating transportation using compressed air chamber in the transportation vehicle. Methods: The present invention is more particularly related to high speed vehicle levitated on a vacuum tunnel by using electromagnetic levitation. As this vehicle will move from one place to another in a vacuum environment and this vehicle will levitate above track with the help of electromagnets. Results: The important thing is its motion, which is possible due to reaction force of high pressure air, coming out from compressed air chamber present in vehicle. Conclusion: It can give us the acceleration as per load requirement and it can achieve supersonic speed in few seconds.
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Kadalla, A. S. y M. I. Onogu. "Sliding Mode Control of Magnetic Levitation Vehicles". Advanced Materials Research 18-19 (junio de 2007): 79–86. http://dx.doi.org/10.4028/www.scientific.net/amr.18-19.79.

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The problem of precise control of the air – gap of magnetic levitation vehicles is considered in this paper. A sliding mode controller is designed for the levitation control task. Robustness of the controller was investigated using computer simulations. The results show that the controller is robust to parameter variations of up to ±13% and can tolerate disturbances up to ±400N/Kg.
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Lobachevsky, Ya P., V. V. Kirsanov y S. V. Kirsanov. "Development of a new technological scheme of the carousel milking platform based on the principles of magnetic levitation". Rossiiskaia selskokhoziaistvennaia nauka, n.º 2 (24 de julio de 2024): 63–67. http://dx.doi.org/10.31857/s2500262724020128.

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The Carousel, the most capital–intensive and loaded milking unit, is a rotating platform that carries a large mechanical load. Its own weight, combined with the weight of the animals being moved, can reach 1200 kg per milking place or more. To reduce friction in the wheeled systems of high-loaded vehicles, large-sized assemblies and mechanisms of machinery and equipment, including agricultural machinery and aggregates, the use of magnetic suspension technology is promising. The research was carried out in order to develop a new technological scheme of a levitating rotating milking platform Carousel based on the principles of magnetic levitation. The creation of a fundamentally new resource-saving design of the Carousel milking platform based on the principles of magnetic levitation in order to increase its reliability and reduce operating costs due to the exclusion of wear on the propellers of the rail-wheel system is possible. A new scheme of a rotating milking platform Carousel using permanent magnet magnetic suspension technology without the use of wheel thrusters is proposed. Its force calculation was performed in the main mode of steady motion with the platform fully filled with animals and partially filled at the beginning and end of the milking cycle of animals, obtaining basic equations for determining the necessary repulsive forces in horizontal and vertical magnetic assemblies providing magnetic levitation (suspension) and lateral stabilization (centering) of the rotating platform.
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He, Juanjuan y Yingmin Jia. "Adaptive Sliding Mode Control for Magnetic Levitation Vehicles". Journal of Robotics, Networking and Artificial Life 1, n.º 2 (2014): 169. http://dx.doi.org/10.2991/jrnal.2014.1.2.15.

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Drozdov, B. V. y Y. A. Terentiev. "PROSPECTS FOR VACUUM MAGNETIC-LEVITATION TRANSPORT". World of Transport and Transportation 15, n.º 1 (28 de febrero de 2017): 90–99. http://dx.doi.org/10.30932/1992-3252-2017-15-1-8.

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[For the English abstract and full text of the article please see the attached PDF-File (English version follows Russian version)].ABSTRACT The authors propose a fundamentally new approach to solving the problem of overcoming two technological limits of speed growth existing for rail vehicles. The advantages of vacuum magnetic-levitation transport are assessed in comparison with traditional transport systems. The perspectives of the use of this type of transport as applied to the development strategy of the transport system of Russia are determined. Keywords: vacuum magnetic-levitation transport, specific energy inputs, transit transport resource, magnetic suspension, vacuum pipeline.
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Lavrich, Y., S. Plaksіn y L. Pogorіla. "CONCEPTUAL FUNDAMENTALS OF FREIGHT MAGNETOLEVITATION TRANSPORT SYSTEM CONSTRUCTION". Collection of scientific works of the State University of Infrastructure and Technologies series "Transport Systems and Technologies" 1, n.º 40 (28 de diciembre de 2022): 78–93. http://dx.doi.org/10.32703/2617-9040-2022-40-7.

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An analysis of the transport systems current state in Ukraine has shown that the main problem in this area is the lack of transport infrastructure capacity, due to low route speeds for most transport modes and low levels of traffic organization and management. The level of rail container transport, the most common and perspective type of freight transportation is also low compared to European countries. Therefore, the main idea of the article is to justify the need for the introduction of fundamentally new transport technologies that will help reduce or eliminate the problems of freight transport, and so the article is relevance. The possibility of using magnetic technologies that exclude contact of a vehicle with a road structure, for freight transportation is investigated. The authors consider the main structural elements, functions and possible options of the magnetic levitation transport system of freight transport. The practical value of the work is that the use of magnetic levitation container platforms will significantly increase the intensity and speed of the conveyor sending of each container with a decrease in energy consumption, which will significantly affect the improvement of cargo logistics. The main results of the work: the conceptual bases of construction of unmanned magnetic levitation vehicles and the main systems of their infrastructure are formulated, it is shown that the implementation of the function of drone for the vehicle is possible only if permanent levitation in all sections of the freight transportation will be provided.
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Fomin, V. M., V. I. Zvegintsev, D. J. Nalivaichenko y Y. A. Terent’ev. "Vacuum magnetic levitation transport: definition of optimal characteristics". Transportation systems and technology 2, n.º 3 (15 de septiembre de 2016): 18–35. http://dx.doi.org/10.17816/transsyst20162318-35.

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Known to a wide circle of specialists of the transport, the concept of "Evacuated Тube Тransport Technology" (ET3) [1] is an energy efficient complex magnetic levitation, vacuum and superconducting technology for high-speed ground transportation. The concept is presented as the most effective solution to problem increase the speed and capacity of the transport system c is acceptable the cost of moving passengers and cargo, and low cost of energy. To determine the optimal ranges of working parameters of the considered transportation system the analysis of the characteristics of the rarefied environment. Based on considerations of balance of power the cost of maintaining the vacuum in the system and to overcome aerodynamic drag throughout the speed range of the vehicle (TC) (500÷6500 km/h) it is shown that the lower bound of the optimal depth of vacuum to the vacuum environment, for the vehicle to relatively low speeds, is 25÷80 PA. For vehicles with speeds close to the maximum I would like to have the pressure of 1 PA or less.
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Mohd Zaidi, Muhammad Syafiq, Siti Lailatul Mohd Hassan, Ili Shairah Abdul Halim y Nasri Sulaiman. "Design of a linear motor-based magnetic levitation train prototype". International Journal of Reconfigurable and Embedded Systems (IJRES) 13, n.º 3 (1 de noviembre de 2024): 560. http://dx.doi.org/10.11591/ijres.v13.i3.pp560-567.

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<span>This study explores the modelling of a magnetic levitation train and its implementation using a microcontroller. Magnetic levitation (maglev) is a technology that enables vehicles to levitate and move without wheels. Maglev research has been conducted globally, but maglev trains haven't received much attention. Due to the sophisticated linear motor technology for contactless transit, building a maglev train requires enormous investments. This paper is crucial for understanding the linear motor technologies necessary for levitation and propulsion. The primary objectives of this study include creating a model of the maglev train using a linear motor circuit, investigating the maglev effect concerning different coil and magnet types, and monitoring the train's propulsion and levitation using a microcontroller. This work constructs a linear motor system for the maglev train, comprising a mechanical structure with a permanent magnet for levitation and electromagnets for propulsion. A microcontroller is employed to sense the magnetic field, produced by the permanent magnet and electromagnets. In summary, this paper successfully designed a maglev train prototype using a linear motor circuit to establish the repulsive mechanism for both levitation and propulsion, with levitation~1 cm from the track and demonstrated the ability to move along a 30 cm track.</span>
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de Oliveira, Roberto Andre Henrique, Richard Magdalena Stephan y Antonio Carlos Ferreira. "Optimized Linear Motor for Urban Superconducting Magnetic Levitation Vehicles". IEEE Transactions on Applied Superconductivity 30, n.º 5 (agosto de 2020): 1–8. http://dx.doi.org/10.1109/tasc.2020.2976589.

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Tesis sobre el tema "Magnetic levitation vehicles"

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Lee, Sang Hyup. "A strategic vision of AVCS maglev and its socioeconomic implications". Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-10052007-143432/.

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Tyll, Jason Scott. "Concurrent Aerodynamic Shape / Cost Design Of Magnetic Levitation Vehicles Using Multidisciplinary Design Optimization Techniques". Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/40514.

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A multidisciplinary design optimization (MDO) methodology is developed to link the aerodynamic shape design to the system costs for magnetically levitated (MAGLEV) vehicles. These railed vehicles can cruise at speeds approaching that of short haul aircraft and travel just inches from a guideway. They are slated for high speed intercity service of up to 500 miles in length and would compete with air shuttle services. The realization of this technology hinges upon economic viability which is the impetus for the design methodology presented here. This methodology involves models for the aerodynamics, structural weight, direct operating cost, acquisition cost, and life cycle cost and utilizes the DOT optimization software. Optimizations are performed using sequential quadratic programming for a 5 design variable problem. This problem is reformulated using 7 design variables to overcome problems due to non-smooth design space. The reformulation of the problem provides a smoother design space which is navigable by calculus based optimizers. The MDO methodology proves to be a useful tool for the design of MAGLEV vehicles. The optimizations show significant and sensible differences between designing for minimum life cycle cost and other figures of merit. The optimizations also show a need for a more sensitive acquisition cost model which is not based simply on weight engineering. As a part of the design methodology, a low-order aerodynamics model is developed for the prediction of 2-D, ground effect flow over bluff bodies. The model employs a continuous vortex sheet to model the solid surface, discrete vortices to model the shed wake, the Stratford Criterion to determine the location of the turbulent separation, and the vorticity conservation condition to determine the strength of the shed vorticity. The continuous vortex sheet better matches the mechanics of the flow than discrete singularities and therefore better predicts the ground effect flow. The predictions compare well with higher-order computational methods and experimental data. A 3-D extension to this model is investigated, although no 3-D design optimizations are performed. NOTE: An updated copy of this ETD was added on 05/29/2013.
Ph. D.
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Lam, Kwun-yi. "The prospects of Maglev for Hong Kong's railway development". Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk:8888/cgi-bin/hkuto%5Ftoc%5Fpdf?B23339159.

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Panicker, Anil T. "A systems dynamics economic evaluation methodology for high speed inter-city transportation". Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10102009-020125/.

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Dai, Huiguang. "Dynamic behavior of maglev vehicle/guideway system with control". Case Western Reserve University School of Graduate Studies / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=case1117563035.

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Lam, Kwun-yi y 林冠儀. "The prospects of Maglev for Hong Kong's railway development". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B43894434.

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Muscroft, Robert. "Non-intrusive support of ground vehicle wind tunnel models through superconducting magnetic levitation". Thesis, Durham University, 2006. http://etheses.dur.ac.uk/2699/.

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Wind tunnel testing of racing cars is performed with a moving ground plane to take into account the downforce generated by the low ground clearance of these vehicles. Struts and wheel stings, mounted from the roof and walls of the tunnel, are used to hold the vehicle in position within the test section. These supports disrupt the airflow around the model, thereby deviating from on-track conditions. Where the vehicle's aerodynamics are already highly refined, the effects of subtle shape changes such as those made in Formula 1, may be much smaller than the errors introduced by the supporting struts. Support interference can also lead to incorrect optimisation of aerodynamic elements. A magnet will stably levitate over a High Temperature Superconductor (HTS) cooled below its critical temperature. The magnetic flux of the magnet becomes pinned within the bulk HTS microstructure in the form of individual flux quanta, each of which is surrounded by a current vortex at sites of imperfection in the superconducting matrix. This mechanism formed the basis of the superconducting pod which achieved stable passive levitation. Finite element analysis simulation was used to optimise the effectiveness of the electromagnets providing a restoring force to the levitating magnets. To augment the superconducting levitation, without introducing excessive instability to the levitation, the magnetic rail was invented. Traverses of both the superconducting pod and the magnetic rail were performed to map the forces each produced. The feasibility of a non-intrusive method of supporting ground vehicle wind tunnel models has been investigated. The Superconducting Magnetic Levitation System combines the inherent stability and damping of superconducting levitation with the high ground clearance of magnet only levitation. Stable passive levitation has been achieved, with six degree of freedom control. The system uses a combination of type II high temperature superconductors, rare earth permanent magnets, and electromagnets to support a model under test. The final prototype of the superconducting magnetic levitation system was designed to support a 40% scale Formula 1 model. The system was capable of supporting 250N of downforce on top of- the weight of the model and 90N of drag at ground clearances comparable to 40% scale Formula 1 clearances. The Superconducting Magnetic Levitation System is the largest wind tunnel magnetic levitation system in the world and has been successfully tested at speeds of up to 20ms"' in the Durham 2m wind tunnel.
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Charpentier, Axel. "VERTAL MONO : Mobility for the future vertical cityscape". Thesis, Umeå universitet, Designhögskolan vid Umeå universitet, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-172245.

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The project is highly inspired by the rise of vertical cityscape and how it can shape a new context for mobility to exist within. When the destinations travelled will be spread out in the vertical landscape instead of only the horizontal one. A rearrangement of housing, schools, restaurants and parks will create new needs for mobility to fill. In which the vehicles restricted to the two dimensional format of today can not. This will create a new era of vertical transportation to combat the densification of the future. The project investigates how new technologies such as magnetic levitation could be applied to architecture and open up space for vertical transportation. To give a flexible mobility system in high rise, high density urban areas. And with this create walkways thriving with nature on the horizontal planes. That promotes walkability, social connections and gives more space to people. For this to work, the project was set in the year of 2050 inside of a protoype district. By the reason to let the technology mature, this will also be a pivotal time of how to accommodate for the densification. Exploring how mobility would work and the everdaylives of the innhabitants in the district. The Project aims to provoke the perception of what a future urban area could be and how it would affect the need for transportation. When the premise was set, the mission was to create this new type of mobility, its functionality, its experience and of course a vehicle to convey these different elements. This was made through a number of ideation sessions, physical prototypes, hand sketches, digital sketches and digital modeling. Realizing it into an viable solution. The result of this project is Vertal Mono, A compact vehicle suited for the era of vertical transportation. It is designed to be a daily commuting vehicle within Vertico district, a prototype district testing vertically connected cityscapes. Mono is designed to be the smaller human footprint pod of the Vertal line up. It is nimble and flexible, being able to reach anywhere at any time. It is an essential part of mobility to the inner circles of the district and part of the communities living there. Vertal offers an on demand shared experience whether the occupant is riding for a single minute or for 15. The interior space offers great flexibility as a response to the vast range of usecases it needs to fulfill.
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Turac, Simon. "Vertal HEX : Mobility for the future vertical cityscape". Thesis, Umeå universitet, Designhögskolan vid Umeå universitet, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-172025.

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The project originated with the question "What is the future of urban mobility?" and the counterquestion "What is the future of urbanity?". To understand the future of mobility, we first need to try to understand more of the future context where it'll reside. Mobility and the context it exists within are two symbiotic yet constantly evolving elements. This project seeks to speculate about their respective state in the year of 2050. Our global population keeps on growing, and more people are moving into urbanized regions. Already today more 90% of the worlds population is concentrated on roughly 10% of our planets land surface, and the density keeps increasing. To cope with the expanding population, cities need to keep growing and create sustainable infrastructure. The trend in densely populated regions has been to grow in the vertical axis. Besides just residential spaces, modern cities are starting to distribute shops, utilities and other typical city content vertically as well. City blocks and their content that used to be spread out in the horizontal plane are now increasingly being housed within compact hubs over multiple levels vertically. This project proposes the idea of a prototype sub-city within a mega city in the South East Asian region, around the year of 2050. Created as a way to prototype solutions to challenges found in hyper densely populated regions ranging from urban planning and congestion to general liveability. The fictional district has a highly vertically oriented cityscape, consisting of many interconnected highrises and megastructures. Traversing the walls of the buildings, vertically and horizontally, are vehicles propelled through magnetic levitation technology on an inductive infrastructure retrofitted onto or built into the buildings in the region. The far future, visionary setting of the project intends to provoke thoughts and reflection about an urban lifestyle within a far more vertically oriented environment. The thesis also aims to paint a picture of a car free city hub where vehicles are bound to the vertical plane, and the horizontal plane is devoted to the community of the city. Whether it's on the ground level or multiple stories up in a luscious "sky garden", the horizontal planes belong to the people and are roamed by foot. The process behind the development of the project involved research into the future setting and emerging technologies. Creative development and ideation were done using analogue as well as digital sketching, brainstorm sessions and physical and digital mockuping. The final vizualisations and compositions were designed from storyboards describing typical use cases of the vehicle. After researching topics of future cityscapes, creating the future premise of the project and ideating and refining various ideas, the end result of the thesis is Vertal Hex. A maglev propelled shuttle targetting future businesses. Travelling along the walls of the interconnected megastructures making up the future cityscape and company campuses, it allows it's passengers to reach their destinations anywhere within the hub entering right at the floor of their destination.
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Ramchandran, Ashok. "A method for controlling and stabilizing the pitch-axis dynamics of a magnetically levitated train". Thesis, 1990. http://hdl.handle.net/1957/37561.

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An electro-dynamic Magnetic Levitation vehicular system has been modelled and studied. In practice, a MagLev vehicle will consist of a number of cars which are mechanically coupled to each other. It is reasonable to assume that each of these cars will be independently controlled with the help of a supervisory controller. This thesis deals with the control aspects of one such car. The car is equipped with two control magnets one at the front end and the other at the rear end. The currents in these magnets can be varied to provide levitation and pitch-axis control. The rotational aspects of the vehicle about the yaw and roll axes is neglected here. The car has also a horizontal thrust producing mechanism, the dynamics of which has been neglected. A controller has been devised using frequency domain analysis. It is shown that the vehicle Can be controlled effectively to meet nominal ride specifications. These specifications are derived both from the point of practical implementation of the vehicle and from the need to ensure good ride quality. The controller needs to be robust in its operation. This thesis shows that a simple controller configuration is enough to maintain satisfactory operation for a variety of operating conditions. It is also shown that in the event of a disrupted magnet circuit, normal operation can be restored with a backup set, without having to stop the vehicle or endanger its occupants. This study is entirely conceptual and no attempt has been made to practically implement the system. It should also be noted that a reasonable choice was made for the parameters of the model, that compares closely to data from existing MagLev systems.
Graduation date: 1991
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Libros sobre el tema "Magnetic levitation vehicles"

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Future Transportation Technology Conference and Exposition (1990 San Diego, Calif.). Magnetic levitation technology and transportation strategies. Warrendale, Pa: Society of Automotive Engineers, 1990.

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I, Bocharov V., Nagorskiĭ V. D y Bakhvalov I͡U︡ A, eds. Transport s magnitnym podvesom. Moskva: "Mashinostroenie", 1991.

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Corporation, Grumman Aerospace, Parsons, Brinckerhoff, Quade & Douglas., New York State Energy Research and Development Authority. y New York State Thruway Authority., eds. New York State technical & economic MAGLEV evaluation: Final report. Albany, N.Y: New York State Energy Research and Development Authority, 1991.

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Sinha, P. K. Electromagnetic suspension: Dynamics & control. London, U.K: P. Peregrinus on behalf of the Institution of Electrical Engineers, 1987.

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Jung, Volkhard. Magnetisches Schweben. Berlin: Springer-Verlag, 1988.

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Engineers, Society of Automotive, ed. Magnetic levitation technology for advanced transit systems. Warrendale, PA: Society of Automotive Engineers, 1989.

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International, Conference on Magnetically Levitated Systems (Maglev) (10th 1988 Hamburg Germany). Tenth International Conference on Magnetically Levitated Systems (Maglev), June 9-10, 1988, Congress Centrum Hamburg, Federal Republic of Germany. Berlin: VDE-Verlag, 1988.

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Engineers, Society of Automotive, ed. Maglev. Warrendale, PA: Society of Automotive Engineers, 1992.

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Krügel, Albert. Modellbildung und Reglerentwurf für ein komplexes aerodynamisch-magnetisch gekoppeltes System mit vollständiger Simulation. Neubiberg: Universität der Bundeswehr München, 1990.

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Trica, Alexandru René. Sisteme cu sustentație electromagnetică. Timișoara: Editura Politehnica, 2009.

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Capítulos de libros sobre el tema "Magnetic levitation vehicles"

1

Kadalla, A. S. y M. I. Onogu. "Sliding Mode Control of Magnetic Levitation Vehicles". En Advanced Materials Research, 79–86. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-450-2.79.

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Li, Qin y Gang Shen. "Experimental Study of Magnetic Levitation Vehicle System Based on Flexible Levitation Control Strategy". En Lecture Notes in Mechanical Engineering, 116–23. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-07305-2_13.

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Chen, D. X., M. C. Pan, F. L. Luo, Z. W. Kang, W. G. Tian y Y. Y. Hu. "Electromagnetic Field Analysis and Measurement for High Speed Attraction Type Magnetic Levitation Vehicle Systems". En Key Engineering Materials, 655–60. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-977-6.655.

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Ren, Ming, Tai-hong Cheng y Chun-chun Wang. "A Study on Stability Control of Vehicle Magnetic Levitation Flywheel Battery Based on Root Locus Analysis". En Proceedings of the 6th International Asia Conference on Industrial Engineering and Management Innovation, 647–56. Paris: Atlantis Press, 2015. http://dx.doi.org/10.2991/978-94-6239-145-1_61.

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Luo, Shihui y Weihua Ma. "Magnetic Levitation Vehicles". En Handbook of Railway Vehicle Dynamics, 165–95. CRC Press, 2019. http://dx.doi.org/10.1201/9780429469398-5.

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"8. New progress of HTS Maglev vehicle". En High Temperature Superconducting Magnetic Levitation, 261–324. De Gruyter, 2017. http://dx.doi.org/10.1515/9783110538434-008.

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"6. First manned HTS Maglev vehicle in the world". En High Temperature Superconducting Magnetic Levitation, 151–216. De Gruyter, 2017. http://dx.doi.org/10.1515/9783110538434-006.

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Schulte, Felix. "Das Planarmotorantriebssystem XPlanar". En Getriebetagung 2022, 183–96. Logos Verlag Berlin, 2022. http://dx.doi.org/10.30819/5552.16.

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Das Multi-Mover-Planarmotorantriebssystem XPlanar kombiniert die Eigenschaften herkömmlicher Transport- und Handlingsysteme wie Sechs-Achs-Robotern, Linearmotoren oder Fahrerlosen Transportsystemen (AGV). Produkte werden über die XPlanar-Mover dynamisch und hochpräzise in bis zu sechs Achsen positioniert und können unabhängig voneinander durch den Fertigungsprozess geführt werden. Durch den einzigartigen magnetischen Schwebeeffekt des Systems werden Verschleiß, Geräuschemissionen und Wartungsaufwand minimiert. In Kombination mit der zentralen Steuerung und Programmierung ergeben sich vielfältige neue Ansätze für die Konzeption moderner, hochflexibler Fertigungsmaschinen. The multi mover planar motor system Xplanar combines the attributes of traditional transport and handling systems such as six axis robots, linear motors, or automated guided vehicle (AGVs). XPlanar offers a dynamic and precise positioning of products on movers in up to 6 axis and an individual transport of products through the entire manufacturing process. The unique magnetic levitation effect of the movers minimizes wear and tear, noise emissions, and maintenance time. In combination with central control and programming the XPlanar system enables new approaches to design modern and highly flexible production machines.
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Actas de conferencias sobre el tema "Magnetic levitation vehicles"

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Buth, Bun y Bei Lu. "Dynamic Analysis of Vehicle-Guideway Interaction in a Maglev Cargo Transportation System". En ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85552.

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The dynamic response of a magnetic levitation (maglev) transportation system has important consequences for guideway design and system costs. The objective of this research is to develop a framework to analyze the dynamic interaction between a flexible guideway structure and a maglev vehicle named Electric Cargo Conveyor (ECCO). Different from other maglev vehicles, which use either electromagnetic or electrodynamic suspension technologies, the ECCO is the only system utilizing the Inductrack levitation technology, where the permanent magnets are arranged as so-called Halbach arrays to create a levitating force. The theoretical dynamic model of the ECCO system is derived in this paper. The guideway structure is modeled as a simply supported beam based on Bernoulli-Euler beam theory. The vehicle is modeled as a two-degree-of-freedom mass-damper-spring system. They are coupled with each other through nonlinear magnetic forces. To investigate the dynamic interaction between the vehicle and guideway, a finite element model of the ECCO system is created in COMSOL Multiphysics using its equation-based modeling interface. Numerical simulations are conducted to examine the effects of different factors such as the cargo weight and the vehicle speed.
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2

Kim, Chang-Hyun, Han-Wook Cho, Jong-Min Lee, Hyung-Suk Han, Bong-Seup Kim y Dong-Sung Kim. "Zero-power control of magnetic levitation vehicles with permanent magnets". En 2010 International Conference on Control, Automation and Systems (ICCAS 2010). IEEE, 2010. http://dx.doi.org/10.1109/iccas.2010.5670118.

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3

Tyll, J. y J. Schetz. "Concurrent aerodynamic shape/cost design of magnetic levitation vehicles using MDO techniques". En 7th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-4935.

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4

Yaghoubi, Hamid y M. Sadat Hoseini. "Mechanical Assessment of Maglev Vehicle: A Proposal for Implementing Maglev Trains in Iran". En ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-25003.

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Rapid development of transportation industries worldwide, including railways and the never ending demand to shorten travel time during trade, leisure, etc. have caused planning and implementation of high-speed railways in many countries. Variety of such systems including magnetic levitation (maglev) has been introduced to the industry. Contrary to traditional railway vehicles, there is no direct contact between maglev vehicle and its guideway. These vehicles travel along magnetic fields that are established between the vehicle and its guideway. Therefore, these vehicles can travel at very high speeds. The replacement of mechanical components by electronics components overcomes restrictions of conventional railway. Manned maglev vehicles have recorded speed of travel equal to 581km/hr. This has practically paved the way to manufacture super high-speed trains. Currently, there are ElectroMagnetic Suspension (EMS) and ElectroDynamic Suspension (EDS) systems available to the industry. There are also varieties of vehicles that are manufactured based on these two types of systems. Mechanical engineering plays vital roles in design and analysis of suspension systems and corresponding vehicles. In this research, different types of maglev suspension systems and vehicles are studies. It is the purpose of this research to design a model for magnetic suspension system and a model for maglev vehicle. Static and dynamic live loads due to the maglev vehicle are investigated and mathematical model of maglev loading is presented. The proposed model for maglev vehicle is thoroughly analyzed for its static and dynamic loading. This study is focused on the dynamics of maglev vehicle. Modeling vehicle/guideway interactions and then explain the response characteristics of the maglev system for a five-car vehicle traveling on a single-span guideway, with emphasis on vehicle/guideway coupling effects are accomplished. Design of maglev vehicle with finite element method is also considered. Results justify practicality of the proposed suspension system and vehicle for Tehran-Mashhad maglev project.
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5

Mendes, Claudio, Luis Romba Jorge, Roberto Oliveira, Joao Murta-Pina, Richard Magdalena Stephan y Stanimir Valtchev. "Preliminary Design of a Mid-Range Superconducting Wireless Power Transfer System for Magnetic Levitation Vehicles: Application to the MagLev-Cobra". En 2021 IEEE 30th International Symposium on Industrial Electronics (ISIE). IEEE, 2021. http://dx.doi.org/10.1109/isie45552.2021.9576462.

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6

Han, Jae-Hung, Dong-Kyu Lee, Jun-Seong Lee y Sang-Joon Chung. "Teaching a Micro Air Vehicle How to Fly as We Teach Babies How to Walk". En ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2011. http://dx.doi.org/10.1115/smasis2011-5026.

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Micro Air Vehicles (MAVs) have become more attractive for various missions including surveillance or reconnaissance in recent years. MAVs should be capable of maintaining their attitudes through either inherent passive stability or active feedback in order to successfully perform their directives. Stability and Controllability Augmentation Systems (SCASs) are usually employed to enhance the flight performance of conventional aircrafts and Unmanned Aerial Vehicles (UAVs). However, it is no simple task to obtain an accurate numerical model for the flight dynamics of a MAV. An alternative approach for SCASs would be to incorporate reinforcement learning in order to address this numerical complexity. Such implementation has already been successful in other vehicles, such as unmanned ground vehicles (UGVs), because of their bettered stability compared to aerial vehicles. However, in order to train MAVs to learn how to fly, they must first be airborne. Similar to teaching infants how to walk, this paper presents a new method to provide an effective environment where a MAV can learn how to fly. A test setup was constructed to enable magnetic levitation of a MAV embedded with a permanent magnet. This apparatus allows for flexible experimentation: the position and the altitude of the MAV, the constraint forces, and the resulting moments are all adjustable and fixable. This ‘Pseudo Flight Environment’ was demonstrated with a fixed wing MAV model. In order for the model to maintain a constant altitude, a height hold control system was devised and implemented.
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7

Medici, Ezequiel, David Serrano y Jeffrey Robles. "Characterization and Optimization of Berdut Technology for a Magnetically Levitated Train". En ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82044.

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Berdut Technology is a novel magnetic levitation system suitable for high speed train applications. This technology combines magnets and electromagnets to obtain levitation and propulsion. A Berdut array of permanent magnets is used to provide the levitation via skates that are located on both sides of the vehicle. Both the rails and the skates are based on permanent magnets therefore no energy is required for levitation. A linear motor located along the center of the vehicle provides the propulsion. Both, skate and linear motor use the same concept and working principle. The paper is divided into two parts: the first part describes the skate levitation, while the second part describes the linear motor. Finite element method was chosen to model and simulate both the skate levitation and the linear motor. Energy dissipation resulting from hysteresis and eddy current losses in the skate was determined. Stiffness and damping characteristics for the levitation skates are presented and validated. The efficiency and thrust force for the linear motor model are also presented along with experiments performed to validate the simulations. Once, validated the models are used to design a Maglev suspension and a linear motor for high-speed train applications.
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8

Wang, Ruiyang, Bingen Yang y Hao Gao. "Transient Vibration and Feedback Control of an Inductrack Maglev System". En ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23061.

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Abstract As a new strategy for magnetic levitation envisioned in 1990s, the Inductrack system with permanent magnets (PMs) aligned in Halbach arrays has been intensively studied and applied in many projects. Due to the nonlinear, time-varying electro-magneto-mechanical coupling in such a system, the dynamic behaviors are complicated with transient responses, which in most cases can hardly be predicted with fidelity by a steady-state Inductrack model. Presented in this paper is a benchmark 2-DOF transient Inductrack model, which is derived from the first laws of nature, without any assumed steady-state quantities. It is shown that the dynamic response of the Inductrack dynamic system is governed by a set of nonlinear integro-differential equations. As demonstrated in numerical simulations with the transient model, unstable vibrations in the levitation direction occur when the traveling speed of the vehicle exceeds a threshold. To resolve this instability issue, feedback control is implemented in the Inductrack system. In the development, an assembly of Halbach arrays and active coils that are wound on the PMs is proposed to achieve a controllable source magnetic field. In this preliminary investigation, the proposed control system design process takes two main steps. First, a PID controller is set and tuned based on a simple lumped-mass dynamic system. Second, the nonlinear force-current correlation is obtained from a lookup table that is pre-calculated by steady-state truncation of the full transient Inductrack model. With the implemented feedback control algorithms, numerical examples display that the motion of the vehicle in levitation direction can be effectively stabilized at different traveling speeds. Although only a 2-DOF transient model is used here, the modeling technique and the controller design approach developed in this work are potentially applicable to more complicated models of Inductrack Maglev systems.
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9

Wyczalek, Floyd A. "Electric Vehicle Propulsion and Magnetic Levitation". En 1988 Conference and Exposition on Future Transportation Technology. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1988. http://dx.doi.org/10.4271/881168.

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10

Pradhan, Roshan y Aditya Katyayan. "Vehicle Dynamics of Permanent-Magnet Levitation Based Hyperloop Capsules". En ASME 2018 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dscc2018-9130.

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Hyperloop technology has been proposed in recent years as a novel mode of transportation which has the potential to revolutionize inter-city cargo & passenger transport. This paper aims to establish a benchmark framework for the modelling, simulation and design of the vehicle dynamics of Hyperloop capsules. An analytical treatment of a simplified linearized model is discussed as a starting point for initial parameter optimization. Further, the construction of a full-vehicle nonlinear model is detailed, and the application of this model in the design process is elaborated upon. Though the specific example studied here is that of an externally-propelled, permanent-magnet levitation based Hyperloop vehicle, the discussion can be extended to any levitating dynamical system. The potential applications of Hyperloop technology being vast, a framework such as this may act as a significant contribution to the research and development taking place in the field.
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