Maglev trains eddie lim 20 lim zheng xiang 21 anthony low 24 class. Maglev, or magnetic levitation, trains hover over a magnetic track on a cushion formed by two magnets opposing each other, which significantly reduces friction. This is the levitation coming from strong magnets that produce a magnetic field which keeps the trains off the ground. Richard post from lawrence livermore national labs llnl. Maglev trains are pulled forward using polarities that attract each other at the front of the train. Maglev trains travel at faster speeds then buses and regular trains. People want to travel farther and faster these days. Similarly, traditional train derailments that occur because of cornering too quickly cant happen with maglev. Block diagram, a onwheel rail system, b maglev system. The engine for maglev trains is rather inconspicuous. 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 worlds first commercial maglev system was a lowspeed maglev shuttle that ran between the airport terminal of birmingham international airport and the nearby birmingham international railway station between 1984 and 1995. A second train set was completed at the end of 1997, making it possible to conduct various tests with two trains, such as one train passing a stationary train or a train moving slowly in the same direction, or two trains travelling in opposite directions at high speed.
The passengers would need to activate a manual release mechanism and then the. 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. The magnetic levitation technology can be used as an efficient technology in. A propulsion block is made up of the converter units as well as the motor section control. Similar systems are in use today as highspeed trains and some of the newer, radicalride roller coasters. As the bbcs hugh sykes reports, billions of pounds have already been committed to maglev projects in japan and germany, while in the uk much of the. With maglev vehicles travel along a magnet guideway. Any two trains traveling the same route cannot catch up and crash into one another because theyre all being powered to move at the same speed. This project is a continuation of work done by paul friend in 2004. 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. Linimo tobu kyuryo line, japan shanghai maglev train daejon, south korea testing tracks conducting research and development can. Highspeed maglev trains promise dramatic improvements for human travel widespread adoption occurs. As the train travels, the electromagnets at the back switch the direction of the spin so that they create a magnetic field that pushes the train forward.
In general, maglev trains move more smoothly and somewhat more quietly than wheeled mass transit systems. The first known commercial use of maglev train was in the year 1984 in birmingham, england, and the train was named maglev itself. Its track length was 600 m 2,000 ft, and trains levitated at an altitude of 15 mm 0. Its a bird its a plane its an insanely fast japanese bullet train. At very short distances as gothenburg landvetter where neither a maglev or. Today when magnettrains traveled countless turns around the earth each year, is no. Scitech the magnetic attraction of trains germanys transrapid 450 kph 280 mph in the coming months, some hard decisions will have to be made about the future of magneticallylevitated trains. Maglev trains are popular in transportation stations in big countries like germany, china, japan and the united states of america due to the demand for highspeed transportation, as the general public transportation services become more congested with increase of population. Singh saurabh singhal 0610440027 maglev train introduction to maglev train operating principle principle of levitation principle of propulsion principle of lateral guidance advantages of maglev disadvantages of maglev the future of maglev technology introduction to maglev train. Maglev trains can be conveniently considered as a solution for transportation needs of the current time as well as future needs of the world. 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. Instead of using fossil fuels, the magnetic field created by the electrified coils in the guide way walls and the track combine to propel the train 3.
We will do this by replacing outdated stepper motors and belts with stateofart technology. This lack of friction means that they can reach higher speeds than conventional trains. Maglev trains short form of magnetic levitation are a very fast type of highspeed rail. Pulse width modulation pwmcontrolled voltage source converter systems. This speed is twice as fast as a conventional commuter train and. The train could accommodate for up to 12,000 passengers per hour in each direction, thus creating a more efficient method of travel than a jet. Simple magnetic levitation train seminar reportpdf ppt. Advantages and disadvantages of maglev trains wheelzine. Bbc news scitech the magnetic attraction of trains. The drive magnet is controlled from the converter and circuitbreaker cubicle. Magnetic levitation is a highly advanced technology. Maglevs eliminate a key source of frictionthat of train wheels on the railsalthough they must still overcome air resistance. The only other currently operational maglev systems serving the public are the linimoin japan and daejeonin south korea see wikipedia for more info on past, current and future maglev systems.
A high speed maglev train uses noncontact magnetic levitation, guidance and propulsion systems and has no wheels, axles and transmission. Transportation has become an integral part of our lives. Magnetic levitation is made possible through the use of superconductors which can attain virtually zero resistance ndahi, 2003. Also, electric trains emit little carbon dioxide emissions, especially when powered by nuclear or renewable sources. Maglev systems have been built for decades, and though they started slow, some of the latest generation trains are breaking speed records. Pdf on jan 1, 2015, zhigang liu and others published maglev trains key underlying technologies find. There is variety of designs fo r maglev systems and en gineers keep revealing. These trains are faster than virgin pendolinos, currently the fastest trains in the uk with top speeds up around 125mph. Maglev systems use highstrength electromagnets to lift a vehicle a few inches above a track and then propel it forward with high acceleration. Magnetic levitation maglev is an innovative transportation technology. Maglev trains already operating at slower speeds in shanghai and changsha, in china, and incheon, in south korea use magnetic repulsion both to levitate the train up from the ground, which. If you continue browsing the site, you agree to the use of cookies on this website. We love 3d printing and asked over 200 creators about their 3d printing experience. The maglev train is a train is a transportation based on speed and efficiency.
It is a way of moving vehicles without having them touch the ground. It is sometimes said to be the first fundamental innovation in the field of railroad technology since the invention of the railway. With maglev, a vehicle is levitated a short distance away from a guide way using magnets to create both lift and thrust. Maglev is a method of propulsion that uses magnetic levitation to propel vehicles with. The name maglev is derived from magnetic levitation. These fields lift the train a small distance above the tracks and move the train. Maglev systems are currently in use for applications such as bearings, highspeed trains, and manufacturing. Aircraft fuel is a significant danger during takeoff and landing accidents. A maglev system uses magnetic fields to levitate and accelerate a vehicle along a track. Maglev systems are becoming a popular application around the globe.
A fast and reliable software network load balancer daniel e. The common point in all applications is the lack of contact and thus no wear and friction. Term paper on maglev train magnetic levitation train assignment a recent example concerning how magnetic levitation or maglev can be applied to the transportation industry is the maglev train. Maglevshort for magnetic levitationtrains can trace their roots to technology pioneered at brookhaven. Pdf this paper presents technology aspects and choices relative to. Maglev train capable of 3,500 kmh theoretically if inside a vacuum tunnel high speed magnetic levitation train. Japans mlx01 clocked in at 361 mph in 2003the highest speed yetfor a maglev train. With the maglev, a vehicle is levitated a short distance away from a guideway by using magnets to create both lift and thrust. But due to less reliability, the train was stopped by 1994. Recently, maglev has seen an ideal use in the train industry, where it has been leveraged to make train wheels and tracks obsolete, and instead use magnets to propel trains where they need to go. Japan repeats history with recordbreaking maglev train.
On december 2, 2003, the japanese jrmaglev became the fastest nonconventional train in the world by clocking an impressive speed of 361 mph. Magnetic levitation is a technology that uses magnetic fields to make the train move. In the modern era there is a saying life runs on wheels. Maglev train simple english wikipedia, the free encyclopedia. T railway technology today 12 edited by kanji wako. Figure 1 different propulsion methods of conventional electric railways and superconducting maglev guideway. The lack of friction that is inherent in the operation of a maglev train, plus its aerodynamic design, means that such trains can travel in excess of 310 miles an hour, twice as fast as the fastest conventional train.
Unlike airplanes, maglev trains are powered by electricity and thus need not carry fuel. Prashant zanwar university of central florida maglev. The maglev emits no co2 in the air because its based on electricity. At present maglev technology has produced trains that can travel in excess of 500 km 310 miles per hour. A handful of maglev trains already exist in asia and europe, and several new projects may be in the works. Magnetically levitated trains are the most recent advancement in railway engineering specifically in transportation industries. Maglev, or magnetic levitation, is a kind of technology used for many different purposes.
Maglev derived from magnetic levitation is a system of train transportation that uses two sets. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. Abstract research on maglev magnetic levitation train is currently being conducted in korea. While tr06 and tr07 manufactured by a mainly manual process is the new. Review of maglev train technologies article pdf available in ieee transactions on magnetics 427. The big difference between a maglev train and a conventional train is that maglev trains do not have an engine. The maglev project consists of two construction phases.
Since the invention of steampowered trains in the 1800s, trains have been the. In these locations, maglev trains are functional to the public. Magnetic levitation maglev is a highly advanced technology. The shanghai maglev train, the worlds fastest passenger train, regularly exceeds 267 mph 430 kmh. Maglev study guide maglev prepost assessment up robotics research documents printer friendly version. Maglev trains move more smoothly and somewhat more quietly than wheeled mass transit systems.
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