To know how maglev trains stop, you must know how they go. This signal is fed back through a levitation constant that is defined by properties of the levitation halbach array and the track design. The project concentrated on the levitation system of the maglev train. Research since the inductrack method is new, there is little information available.
Levitation means to rise or float in the air especially in seeming defiance of gravity. The detailed working of maglev train is shown in the figure below. Download the seminar report for magnetic levitation. Magnetic levitation train maglev engineering seminar topics. The ridership levels enjoyed by highspeed rail systemsl in france and japan and. Maglev trains were conceptualized during the early 1900s by american professor and inventor robert goddard and frenchborn american engineer emile bachelet and have been. In the past, magnetic levitation was attempted by using permanent magnets. Simple magnetic levitation train seminar reportpdf ppt. Maglevshort for magnetic levitationtrains can trace their roots to. The levitation can be designed by analyzing the halbach array, and the inductrack method. Maglev derived from magnetic levitation is a system of train transportation that uses two sets.
The first to overcome the limitation of wheel and rail, because the rail moves entirely without contact. Magnetic levitation methods and modeling in maglev trains 1shweta singh, 2aradhana singh. Electromagnets along the guideway beams and magnets underneath the train allow for repulsions and attractions, which move the train along the track. Magnetic levitation is the use of magnetic fields to levitate a usually metallic object. 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. It employs diamagnetism, which is an intrinsic property of many materials referring to their ability to temporarily expel a portion of an external magnetic field. Maglev is a method of propulsion that uses magnetic levitation to propel vehicles with magnets rather. This current then induces a magnetic field that levitates the train.
The aim of the study was to assess the interobserver variability of the manual. The term originates from joining mono meaning one and rail meaning rail from 1897, possibly from german engineer eugen langen, who called an elevated railway system with wagons suspended the eugen. This core feature is whats most exciting to jesse powell. The coaches of the train do not slide over steel rails but float on a four inch air cushion above the track using meissner effect of super conducting magnets.
Abstract for safe, efficient landing and takeoff of aircraft in future magnetic levitation assisted tol could turn out to be best alternative to conventional landing gear system. 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. If youve ever played with magnets, you know that opposite poles attract and like poles repel each other. 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. A separate study of the maglev transportation option, combining regional. They can also travel faster due to lower friction between the train and the rails. Each implementation of the magnetic levitation principle for train type travel. Kishan bhushan sahay submitted in department of electrical engineering madan. This is a wonderful topic for your mechanical engineering seminar as well as project if you dare to make a working model. The first levitating passenger train operated in hamburg, germany in 1979, although only permanent magnets were used.
Magnetic levitation has a very advanced and efficient technology. A second train set was completed at the end of 1997, making it possible to conduct various tests with two trains. Thus the magnetic field of the electromagnet is in the opposite direction, the attractive force becomes a repulsive force, and the propulsion cycle continues. James powell and gordon danby of brookhaven received the first patent for a magnetically levitated train design in the late 1960s. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. The further a maglev train gets from its normal position between the guideway walls, the stronger the magnetic force pushing it back into place becomes. If the magnetic force of attraction is used, it is known as magnetic suspension. This is to certify that the work in the thesis entitled controller design for magnetic levitation system by abhishek nayak is a record of an original research work carried out by him under my supervision and guidance in partial fulfillment of the requirements for the. Maglev short for magnetic levitation trains can trace their roots to technology pioneered at brookhaven national laboratory.
Maglev is a system of transportation that suspends, guides and propels vehicles, predominantly trains, using magnetic levitation from a very large number of magnets for lift and propulsion. The line is the fastest operational highspeed maglev train, designed to. The idea has been around since 1904 when robert goddard, an american rocket scientist, created a theory that trains could be lifted off the tracks by the use of electromagnetic rails. Back in 1979 the germans developed the 1 st magnetic levitation maglev train. Thus in this paper design and working principle of the magnetic levitation assisted tol is being purposed using hammock concept.
Using principles of magnetism to float in the air against gravity is called magnetic levitation. First, the trains velocity induces a current in the track. International journal of engineering research and general. The train is propelled by the changing in magnetic fields. The train has a superconducting magnet built into the base of the carriages. The maglev transportation system is more stable, faster, economic, efficient. From their initial design, maglev systems working with attraction. Maglev, which stands for magnetic levitation, is a system of transportation that levitates, guides, and propels trains, with magnetism.
Kishan bhushan sahay submitted in department of electrical engineering madan mohan malaviya. In magnetic levitation maglev, also known as magnetic suspension, this basic principle is used to suspend or levitate vehicles weighing 40 tons or more by generating a controlled magnetic force. Maglev systems are currently in use for applications such as bearings, highspeed trains, and manufacturing. It is sometimes said to be the first fundamental innovation in the field of railroad technology since the invention of the railway. Maglev railway technical research institute transrapid urban maglev shanghai maglev train how stuff works article. Magnetic levitation trains are becoming a popular transportation topic all around the globe. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Manipulating magnetic fields and controlling their forces can levitate an object. The name maglev is derived from magnetic levitation. 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 advant.
A high speed maglev train uses noncontact magnetic levitation, guidance and propulsion systems and has no. The maglev train isnt like an ordinary train that one would see driving throughout the united states carrying coal, cargo, and much more. Between the train and the rails there is magnetic repulsion bound by two transparent plates attached to the train. All operational implementations of maglev technology make minimal use of wheeled train technology and are not compatible with conventional rail tracks. Keywords magnetic levitation, model of magnetic levitation, modeling of magnetic levitation system. Since the invention of steampowered trains in the 1800s, trains have been the domain of mechanical engineers.
Tracks the term maglev refers not only to the vehicles, but to the railway system as well, specifically designed for magnetic levitation and propulsion. Magnetic levitation maglev technologies the tokaido shinkansen began operations in 1964 and was an immediate success. This report was prepared as an account of work sponsored by an agency of. Magnetic levitation is used in a new generation of train that will have cruising speeds. Magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. The train will be floating about 10mm above the magnetic guiding track. They just need a magnetic rail on the ground and a like magnetic rail on the train cars. Maglev, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion. Thus, there is no need of any engine inside he train.
The engine for maglev trains is rather inconspicuous. Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. Magnetism in elementary science simply states that like poles repel and opposites attract. T railway technology today 12 edited by kanji wako.
Presents an activity that explores the operation of maglev trains. In it, railroading technology will away with moving components, permitting vehicles to maneuver additional swimmingly and more. This method has the potential to be faster, quieter and smoother than wheeled mass transit systems. Maglevs use magnetic forceslike poles repel each other, and opposite poles attractto lift, propel, and guide a vehicle over a track. Magnetic levitation maglev is an innovative transportation technology. The concept of magnetically levitated or maglev trains is of very much interesting. Along certain mediumrange routes usually 320 to 640 km 200 to 400 mi, maglev can compete favorably with highspeed rail and airplanes.
The train will be propelled to move by the guide way itself. Electromagnets are distributed along the guideway in matched pairs. Maglev magnetic levitation train magnetic games youtube. To create levitation, a magnetic repulsion force is used to counteract the force of gravity. These trains float over guideways using the basic principles of magnets to. The idea has been around since 1904 when robert goddard, an american rocket scientist, created a.
Jan 31, 2016 the operation is not exactly the same as the real maglev but a little like us. If magnetic repulsion is used, it is known as magnetic levitation. P a g e 1 magnetic levitation train a seminar report submitted in the partial fulfillment of the requirement for the award of the degree of bachelor of technology in electrical engineering by anuj bansal reg. Maglev train, also called magnetic levitation train or maglev, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion. Nov 26, 2006 maglev trains are the fastest trains in the world. The operation is not exactly the same as the real maglev but a little like us. 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. 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.
Since then, japans shinkansen network has expanded considerably, and its success has prompted rapid development of highspeed railways in other countries as well, especially in the west. Bababe 2 1 department of elect rical and electronics enginee ring, university of maiduguri, bo rno state nigeria. This paper involves the design, hardware, technology, application and future uses of magnetic levitation trains. The concept of magnetically levitated or maglev trains is of very. Magnetic levitation is a process by which a magnet over a piece of a metal causes electrical current to flow in the metal that, in turn, produce forces that push the magnet upward. As a result, diamagnetic materials are repelled by strong magnetic fields. Mechanical engineers were responsible for designing the key components of a train, including the engine, axles, and wheels. The common point in all applications is the lack of contact and thus no wear and friction. Magnetic levitation methods and modeling in maglev trains. The right magnetic material must be used to achieve levitation.
Magnetic levitation train mechanical engineering projects. A monorail is a railway in which the track consists of a single rail or a beam. These principles govern the levitation of maglev trains. The magnetic attraction of the vertically paired magnets balances the force of gravity and levitates the vehicle above the guideway. If the force is large enough, the moving magnet can levitated. The most spectacular applications of this would be maglev trains.
Simple magnetic levitation train seminar reportpdf ppt download the answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. Magnetic levitation is a highly advanced technology. Magnetic levitation is the process of levitating an object by exploiting magnetic fields. Magnetic levitation and related systems twin goalsto relieve air and ground traffic congestion and to be technologically competitive in transportationhave prompted considerable interest in the united states in highspeed ground transportation alternatives. Maglev is short for magnetic levitation which basic principles involve the use of magnetism to levitate an object. In principle, maglev vehicles may have a variety of applications, ranging from. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Similarly, traditional train derailments that occur because of cornering too quickly cant happen with maglev. Magnetic levitation system the following figure shows the cross section of a magnetic levitation maglev train. T railway technology today 12 edited by kanji wako magnetic. The term originates from joining mono meaning one and rail meaning rail from 1897, possibly from german engineer eugen langen, who called an elevated. Principle of propulsion make the train of pine wood and stick themagnets on them also in the same way and maintain equal distance. It is a train that doesnt have to run off of regular fossil fuels like other trains, the energy can be obtained from other sources. We can use of it in industrial purpose as well as in office and homelike as the fan in buildings, transportation, weapongun, rocketry, nuclear reactor, use of elevator in civil.
Instead of using fossil fuels, the magnetic field created by the electrified coils in the. Discusses the principles of magnetic levitation presented in the physics classroom and. The magnetic levitation technology can be used as an efficient technology in. In this process an object is suspended above another with no other support but magnetic fields. Magnetic levitation methods and modeling in maglev trains shweta singh aset, amity university.
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