Maglev is a technology which uses magnetic forces to suspend vehicles in air, hence eliminating friction. An electromagnetic suspension ems maglev train uses. Fire any jokes presenting this video about a train which name is maglev train this is a fastest train in the world. Maglev systems are currently in use for applications such as bearings, highspeed trains, and manufacturing. This can provide additional earnings and combine with stable. Along certain mediumrange routes usually 320 to 640 km 200 to 400 mi, maglev can. Students will send magnets sailing, help magnets hover, and poke around magnetic fields. With maglev, a vehicle is levitated a short distance away from a guide way using magnets to. Magnetic levitation is used in a new generation of train that will have cruising speeds. The ball elevation from the post is measured using a sensor embedded in the post. This method has the potential to be faster, quieter and smoother than wheeled mass transit systems. The maglev transportation system is more stable, faster, economic, efficient. It employs diamagnetism, which is an intrinsic property of many materials referring to their.
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. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. A magnet trainsystem fits well in the subarctic environment in scandinavia and offers a. 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. The technological innovation behind these trains comes alive for students in this transportation engineering unit. The common point in all applications is the lack of contact and thus no wear and friction. If the trains are running on tracks ten feet above the ground, there is a smaller chance of collision with an object on its path luu, 2005. Magnetic levitation definition of magnetic levitation by. 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. Simple magnetic levitation train seminar reportpdf ppt download.
Jun 29, 2011 general science and technology buffs will find this accessible book fascinating and might be tempted to try a little levitation themselves. 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. The system itself is not a complete solution but offers only levitation. Levitation guidance the levitation and guidance of the small scale train can be implemented by either active or passive methods.
Magnetic levitating trains electrical and computer. 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. Because of the way maglev in various ways repels the train above its track, derailments are unlikely. These classes have emerged from the differences in system engineering for. Nov 01, 2016 the china railway rolling stock corporation crrc, one of the worlds largest train manufacturers, recently announced that it had begun work on a new type of magnetic levitation train that will. 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. Since then, japans shinkansen network has expanded considerably, and its success has prompted rapid development of highspeed railways in other countries. The maglev project consists of two construction phases. Railway technology today 12 edited by kanji wako magnetic levitation maglev technologies the tokaido shinkansen began operations in 1964 and was an immediate success. Jun 14, 2016 maglev short for magnetic levitation trains can trace their roots to technology pioneered at brookhaven national laboratory. 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.
Maglev trains were conceptualized during the early 1900s by american professor and inventor robert goddard and frenchborn american engineer emile bachelet and have been. Combine multiple words with or to find articles containing either term. A separate study of the maglev transportation option, combining regional. Maglev railway technical research institute transrapid urban maglev shanghai maglev train how stuff works article. Another benefit of levitation is that these trains dont lose any energy to friction.
One electromagnet pole faces a black post upon which a 2. Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. Magnetic levitation is the use of magnetic fields to levitate a usually metallic object. The maglev train isnt like an ordinary train that one would see driving throughout the united states carrying coal, cargo, and much more. 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. Highspeed maglev trains promise dramatic improvements for human travel widespread adoption occurs. Magnetic levitation trains have a lot of applications and ad vantages like they are fast exceeding the speed of 300 mph.
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. Instead of using fossil fuels, the magnetic field created by the electrified coils in the. 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. Maglev train transportation systems and technology. Magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. Levitating trains that travel at inexplicably high speeds seem like magic, but in reality it utilizes old technology being refined into the transportation of the future. Rely solely on electromagnetism, this educational toy demonstrates the infinite capabilities of creative. Innovative maglev or magnetic levitation trains move by using magnets instead of wheels. James powell and gordon danby of brookhaven received the first patent for a magnetically levitated train design in the late 1960s.
In it, railroading technology will away with moving components, permitting vehicles to maneuver additional swimmingly and more. Maglev is a method of propulsion that uses magnetic levitation to propel vehicles with. If the force is large enough, the moving magnet can levitated. China is building a magnetic levitation train that can go an. Maglev trains are pulled forward using polarities that attract each other at the front of the train. These incredible trains use magnets to allow the train to hover just above the tracks, eliminating friction and. The concept of magnetically levitated vehicle is not new but recent advanced in technologies have made it possible for maglev vehicle to be successfully implemented. The use of magnetic fields to suspend an object above another object without solid mechanical support. The name maglev is derived from magnetic levitation. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. The engine for maglev trains is rather inconspicuous. Maglev train, also called magnetic levitation train or maglev, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion.
Abstract the paper titled maglev monorail accomplishes a research on developing discipline of magnetic levitation and its application to transportation through trains. Richard post from lawrence livermore national labs llnl. Maglev 1 magnetic levitation experiment quanser consulting inc. Magnetically levitated maglev trains differ from conventional trains in that. In this process an object is suspended above another with no other support but magnetic fields. The magnetic levitation technology can be used as an efficient technology in. The complete magnetic levitating train will be composed of the levitation guidance, position sensing, propulsion, controller, design and construction of the physical components, and testing. Pdf this paper presents technology aspects and choices relative to. Arrangement of levitation and guidance coils at the sides aluminum short circuited magnet coils as levitation and guidance coils along the track sides thus the track below the vehicle remains free for the rolling of the wheels before reaching the takeoffvelocity. Magnetic levitation is a highly advanced technology. This method can be faster than wheeled mass transit systems potentially reaching velocities comparable to an aircraft or a turboprop. Dec 26, 2012 basic principle of maglev trainsmaglev trains have to perform the following functions to operate in high speeds1.
This allows vehicles to achieve very high speeds which can revolutionize the ground transportation. Hovering is also referred to as levitation, so making an object hover above the ground using magnets is called magnetic levitation, or maglev for short. Maglev trains work on the principle of electromagnetic suspension. Publishers weekly 20110812 if you thought magnetic levitation was mostly about flying trains, then read rising force. This gives them an advantage in efficiency wang 2010. This project is a continuation of work done by paul friend in 2004.
While tr06 and tr07 manufactured by a mainly manual process is the new track segments in. 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. Optimizing the controller design to guide the motion of a maglev train. Maglev derived from magnetic levitation is a system of train transportation that uses two sets. Maglev magnetic levitation the following paper was submitted and presented by me and my colleague in 2002 during our engineering degree course. However, their high speed and greater need for control make it difficult for a maglev to merge with complex terrain, such as a curved hill. 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. Some highspeed trains actually use magnetic levitation, meaning they float above the track using magnets, and do not actually use wheels. Types of maglev trainsbased on the techniques used for levitation there are two types of maglev trains1. Former physicist at ge and lecturer at mit, james d. Dec 24, 2015 relying on rare earth magnets, superconductors, electromagnets and diamagnets, magnetic levitation is now used for maglev trains, magnetic bearings and for product display purposes. The magnetic forces are assigned to lift and propel the vehicles along the guide way. Manipulating magnetic fields and controlling their forces can levitate an object.
With maglev, a vehicle is levitated a short distance away from a guide way using magnets to create both lift and thrust. Since the invention of steampowered trains in the 1800s, trains have been the. 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. This paper involves the design, hardware, technology, application and future uses of magnetic levitation trains.