A normal electric rotary motor uses magnetism to create torque and spin an axle. Magnetically levitated maglev trains differ from conventional trains in that they are levitated, guided and propelled along a guideway by a changing magnetic. The operation is not exactly the same as the real maglev but a little like us. Maglev trains were conceptualized during the early 1900s by american professor and inventor robert goddard and frenchborn american engineer emile bachelet and have been. It includes a history of maglev science and technology showing the various milestones in its advancement. Richard post from lawrence livermore national labs llnl. Maglev train capable of 3,500 kmh theoretically if inside a vacuum tunnel high speed magnetic levitation train. By 2035, a trip from toronto to vancouver will take 3 hours. Build a magnetic levitating train that can balance on a magnetic track without falling. The magnetic levitation technology can be used as a highly advanced and efficient technology in the various industrial. Jun 14, 2016 maglev short for magnetic levitation trains can trace their roots to technology pioneered at brookhaven national laboratory. It employs diamagnetism, which is an intrinsic property of many materials referring to their.
In it, railroading technology will away with moving components, permitting vehicles to maneuver additional swimmingly and more. Vacuum tube train systems might hypothetically allow maglev trains to attain speeds in a different order of magnitude, but no such tracks have ever been built. Even before that, in 1904, american professor and inventor robert goddard had written a paper outlining the idea of maglev levitation source. If you thought magnetic levitation was mostly about flying trains, then read rising force. Magnetic levitation trains and conventional trains. Maglev train transportation systems and technology. Levitation means to rise or float in the air especially in seeming defiance of gravity. Magnetic levitation an overview sciencedirect topics.
There are already many countries that are attr acted to maglev systems. Optimizing the controller design to guide the motion of a maglev train. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Magnetic levitation maglev technology and applications. The magnetic levitation system is a classic electro mechanical experiment with interesting nonlinear dynamics and control challenges. Download the seminar report for magnetic levitation. Procedures for safety and risk assessment of maglev systems. This method can be faster than wheeled mass transit systems potentially reaching velocities comparable to an aircraft or a turboprop. Maglev magnetic levitation train magnetic games youtube.
Magnetic levitation maglev is an innovative transportation technology. Among abovementioned useful usages, the most important usage of magnetic levitation is in operation of magnetically levitated trains. In the past, magnetic levitation was attempted by using permanent magnets. This project is a continuation of work done by paul friend in 2004. It is sometimes said to be the first fundamental innovation in the field of railroad technology since the invention of the railway. The basis of maglev trains mechanisms are magnetic levitation. Engineers have developed magnetically levitated trains called maglev trains that move without touching the ground. These trains use powerful magnets to lift the train upward and propel it forward. I use science articles as a strategy for exploring magnetic levitation trains. Maglev derived from magnetic levitation is a system of train transportation that uses two sets of magnets, one set to repel and push the train up off the track, and another set to move the elevated train ahead, taking advantage of the lack of friction. The scmaglev is a futuristic magnetic levitation system that uses powerful magnetic forces for all aspects of operationacceleration, deceleration, guidance and levitation resulting in operating speeds of over 500kmh 311 mph in everyday service. Magnetic levitation and its applications kartikeya singh 43246 electrical engineering 2. Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. I like to integrate common core reading standard 68reading science and technical subjects.
Simple magnetic levitation train seminar report pdf ppt download the answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. Pdf this paper involves the design, hardware, technology, application and future uses of magnetic levitation trains. It has a stationary piece, the stator, which surrounds a rotating piece, the rotor. It is used in the various cases, including clean energy small and huge wind turbines. Magnetic levitation is being used around the world in transportation systems to offer new types of maglev trains that have magnetic tracks repelling train cars with magnetic bases. Between the train and the rails there is magnetic repulsion bound by two transparent plates attached to the train. Pdf magnetically levitated trains maglev irjet journal. Maglev short for magnetic levitation trains can trace their roots to technology pioneered at brookhaven national laboratory. Maglev train ppt, seminar report and pdf study mafia. Our report titled maglev trains is an informative report which explains about magnetic levitation or maglev, as a form of transportation that suspends, guides and propels vehicles via electromagnetic force.
Using principles of magnetism to float in the air against gravity is called magnetic levitation. It is proved that magnetic levitation cannot be obtained just by using static ferromagnetism, as the object would tend to gain instability. Review article the most important maglev applications. May 14, 2018 magnetic levitation maglev is a relatively new transportation technology in which noncontacting vehicles travel safely at speeds of 250 to 300 milesperhour or higher while suspended, guided, and propelled above a guideway by magnetic fields. Design and control of levitation and guidance systems for. Magnetic levitation is a technology that uses magnetic fields to make the train move. Along certain mediumrange routes usually 320 to 640 km 200 to 400 mi, maglev can.
Maglev system represent a promising evolution in highspeed ground transportation, offering speed in excess of 500 mph along with the potential for low operating costs and minimum environmental impact. If magnetic repulsion is used, it is known as magnetic levitation. These include superconducting maglev trains models mlx and l0 of japan and the inductrack technology of the united states, based on permanent magnetic repulsion. This signal is fed back through a levitation constant that is defined by properties of the levitation halbach array and the track design. Pdf magnetic levitation train j4r journal for research. First, the trains velocity induces a current in the track. With that being the case, instead of going through boring derivations about magnetic levitation, we will focus on an important application, highspeed trains, known as maglev trains. Magnetic levitation is the phenomenon in which two magnetic objects are repelled from each other in a vertical direction. Most asian and european countries have developed and implemented highspeed rail train systems. Organize participants into teams of three or four people.
But though magnetically levitated trains have been the focus of much of the worldwide interest in maglev, the technology is not limited to train. Magnetic levitation maglev is a relatively new transportation technology in which noncontacting vehicles travel safely at speeds of 250 to 300 milesperhour or higher while suspended, guided, and propelled above a guideway by magnetic fields. An unsung phenomenon of the past which is now being put to use in a variety of interesting and useful applications. Maglev uses an electric linear motor to achieve propulsion. Magnetic levitation maglev trains are one of the fastest and most energyefficient forms of travel today. A high speed maglev train uses noncontact magnetic levitation, guidance and propulsion systems and has no. Transrapid maglev vs ice 3 performance worlds fastest highspeed trains in commercial operation in 2020. Propulsion is the force that drives the train forward. The goal of the magnetic levitation train maglev project is to develop a small scale magnetic levitation train based on inductrack technology developed by dr. The answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Maglev trains are magnetically levitated trains that traverse in a very high speed, with only electricity being its main source of energy. Magnetic levitation is cited on microsoft academic search as follows.
The maglev project consists of two construction phases. Magnetic levitation is a way to suspend objects in air without any support, as if in defiance of gravity. With maglev, a vehicle is levitated a short distance away from a guide way using magnets to. For example, while every highspeed rail passenger pays one dollar for each mile traveled, maglev passengers could pay as little as 5 cents per mile, says james powell, director of the company maglev 2000 and a coinventor of superconducting maglev trains. James powell and gordon danby of brookhaven received the first patent for a magnetically levitated train design in the late 1960s. Along certain mediumrange routes usually 320 to 640 km 200 to 400 mi, maglev can compete favorably with highspeed rail and airplanes. Maglev derived from maglev could be a conveyance technology that uses magnetic levitation to move vehicles while not creating contact with the bottom or an electrical pickup.
If the magnetic force of attraction is used, it is known as magnetic suspension. This current then induces a magnetic field that levitates the train. Maglev net brings you the news about the magnetic levitation technology developments. Applications and future of magnetic levitation high tech. Livingston can barely conceal his excitement, and dry sense of humor, as he takes his readers on a whistlestop tour of everything maglev. This results in the following differential equation for the ball dynamics. An overall view of the semihighspeed maglev train addressed in this paper can be seen in fig. As you may have figured out looking at the word maglev, maglev trains are trains that use magnetic levitation. The train propels forward without any friction from moving mechanical parts. Dec 26, 2012 basic principle of maglev trainsmaglev trains have to perform the following functions to operate in high speeds1.
Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations the two primary issues involved in magnetic levitation are lifting forces. While the amazing speed that maglev trains boast of make them seem an apt solution for our transport woes, only a proper evaluation of their advantages and disadvantages can help us get a clear picture about the feasibility of putting them to use. Maglev railway technical research institute transrapid urban maglev shanghai maglev train how stuff works article. Magnetic levitation transportation has many advantages over the conventional trains. T railway technology today 12 edited by kanji wako. Magnetic levitation trains have a lot of applications and ad vantages like they are fast exceeding the speed of 300 mph. Magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. Simple magnetic levitation train seminar reportpdf ppt. The engine for maglev trains is rather inconspicuous. Measurements of the magnetic field, at ground level directly under the standard 8mhigh elevated guideway show a magnetic field of only 0. May 29, 2018 magnetic levitation maglev was, according to 1980s science shows such as tomorrows world, going to make domestic air travel defunct, humming from city to city at 500mph with negligible.
Types of maglev trainsbased on the techniques used for levitation there are two types of maglev trains1. Magnetic levitation maglev was, according to 1980s science shows such as tomorrows world, going to make domestic air travel defunct, humming from city. Research on maglev trains is being conducted in various nations around the world. Cost reduction by eliminating friction, maglev trains use less energy and can significantly reduce costs. This book provides a comprehensive overview of magnetic levitation maglev technologies, from fundamental principles through to the stateoftheart, and describes applications both realised and under development. Maglev train, also called magnetic levitation train or maglev, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion. Highspeed rail and maglev trains have become realities.
The first patents for magnetic levitation maglev technologies were filed by frenchborn american engineer emile bachelet all the way back in the early 1910s. Magnetic levitating trains electrical and computer. The big difference between a maglev train and a conventional train is that maglev trains do not have an engine at least not the kind of engine used to pull typical train cars along steel tracks. Feb 10, 2008 watch the entire video before commenting. This revolutionary system results in travel times unlike anything traditional trains can achieve. Advantages and disadvantages of maglev trains wheelzine. Lateral guidance basic principle of maglev trains 8. Magnetic levitation maglev is a highly advanced technology.
Magnetic levitation is the process of levitating an object by exploiting magnetic fields. The magnetic forces are assigned to lift and propel the vehicles along the guide way. Levitating train 3 instructions introduce the design challenge. Design of levitation and guidance system for the semihighspeed maglev train in the current urban maglev train developed in korea, lateral displacement is controlled using the restoring force generated by the levitation electromagnet.
Pdf magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. Magnetically levitated train is a highly modern vehicle. Design and control of levitation and guidance systems for a. Using the engineering design process, explore this technology by designing and testing a frictionless train model. Media in category magnetic levitation trains the following 30 files are in this category, out of 30 total. Maglev vehicles use non contact magnetic levitation, guidance and propulsion. Worlds fastest trains maglev capable of 3,500 kmh youtube. Levitation the passing of the superconducting magnets through levitation coils on the side of the track induces a current in the coils and creates a magnetic field.
Magnetic levitation maglev is a system of train transportation that uses two sets of magnets, one set to repel and push the train up off the track as in levitation, then another set to move the floating train ahead at great speed taking advantage of the lack of friction. Instead of using fossil fuels, the magnetic field created by the electrified coils in the guideway walls and the track combine to propel the train. Magnetic levitation, or maglev, may do for the gir in the twentyfirst century what airplanes did for the 2ir in the twentieth century. The definition goes on to state, in a simple configuration, an electromagnet is used to lift up a ferromagnetic object and the gravity pulls down the. The phenomenon, also known as maglev, has long been recognized as having some important commercial applications. Maglev train magnetic levitation abbreviated as maglev is an advanced technology of levitation that uses magnetic forces for the propulsion of vehicles rather than using wheel, bearing and axels. The repelling magnetic force between the magnets is strong enough to overcome the gravity pulling objects to earth and allows the objects to hover in the air. Electromagnets and superconducting magnets have allowed us to create a magnetic levitation train nicknamed maglev that floats on the track instead of being directly on it. The concept of magnetically levitated or maglev trains is of very much interesting. The stator is used to generate a rotating magnetic field. Seminar on maglev trains report free pdf download abstract as the world continues to grow and as cities continue to become more crowded and congested, our normal modes of transportation will not be able to handle these overpopulated areas.
Magnetic levitation methods and modeling in maglev trains, 2014 issn. Maglev trains have to perform the following functions to operate in high speeds 1. These fields lift the train a small distance above the tracks and moves the train. The guideway is the physical structure along which maglev vehicles are levitated. Vol 4, no 3 2018, maglev freight one possible path forward in the u.
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