This documents lays down the technical and operational minimum. Development of linear motorpropelled, contactless maglev systems is. Maglev challenge both technical, financial the japan times. The conventional trains with wheels and guide rails turn to be uneconomical beyond 200 kmhr because at this high speed, air resistance and hence the drag force increases. The maglev transportation system is more stable, faster, economic, efficient. Maglev trains short form of magnetic levitation are a very fast type of highspeed rail. Maglev derived from magnetic levitation is a system of transportation created by justus thompson. The first ideas for a modern maglev train were thought up. Compared to conventional wheeled trains, differences in construction affect the economics of maglev trains. How maglev trains operate introduction magnetic levitation, or maglev, is a transport method that uses magnetic levitation to move vehicles without touching the ground.
Along certain mediumrange routes usually 320 to 640 km 200 to 400 mi, maglev can compete favorably with highspeed rail and airplanes. 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. The permanent magnets also ensure failsafe operation. German farmers working nearby the maglev railway could hardly notice a train passes by. Resources and links the information below should not be interpreted as an extension of the rules. Theres no rail friction to speak of, meaning these trains can hit speeds of hundreds of miles per hour. Maglev derived from magnetic levitation is a system of train transportation that uses two sets. Maglev trains seminar report,ppt,pdf,doc,presentation,free. T railway technology today 12 edited by kanji wako. Principle of propulsion make the train of pine wood and stick themagnets on them also in the same way and maintain equal distance. In the dream big maglev train lesson, students designed a magnetic train system. These trains float over guideways using the basic principles of magnets to replace the old steel wheel and track trains. Maglev trains incorporate a basic fact about magnetic forceslike magnetic poles repel each other, and opposite magnetic poles attract each otherto lift, propel, and guide a vehicle over a track or guideway.
The maglev train has a different working principle from conventional wheelrail train driving forward by frictions, as it achieves levitation through interaction between the magnets aboard and the rails and produces propulsion force electromechanically without contact with the rails 3. The documentation comprises the msb design principles listed in the table below. Maglev can only travel on the top of this kind of guidance rail, and this seriously limits its development. Each implementation of the magnetic levitation principle for traintype travel involves advantages and. The train is propelled by the changing in magnetic fields. Types of maglev trainsbased on the techniques used for levitation there are two types of maglev trains1.
First suggested as a means of transport over a century ago, magnetic levitation or maglev is a transport innovation which uses powerful electromagnets instead of conventional rail and wheels to achieve motion. The magnets employed are superconducting, which means that when they. However, in 2000, the government shut down the project luu, 2005. These fields lift the train a small distance above the tracks and move the train. Railway technology today 12 edited by kanji wako magnetic levitation maglev technologies the tokaido shinkansen began operations in 1964 and was an immediate success. 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 goal of the magnetic levitation train maglev project is to develop a small scale magnetic levitation train based on inductrack technology developed by dr. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Maglev train floats on a magnetic field and it is propelled by linear induction. The engine for maglev trains is rather inconspicuous. However, a demerit of the maglev is the expensive construction fee of the guidance rail. Maglev trains seminar report,ppt,pdf,doc,presentation.
Thus, there is no need of any engine inside he train. Maglev trains use electromagnets to lift the whole train into the air a short distance. Some maglev trains are capable of even greater speeds. Magnetic levitation is a technology that uses magnetic fields to make the train move. Projet design principles highspeed maglev system eisenbahn. Maglev train, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion. With maglev, a vehicle travels along a guideway using magnets to create both lift and propulsion. This lesson is designed for students to have ample time to explore the properties of magnets. The shanghai maglev figure 2, which resulted from this venture, is now the only highspeed maglev train in commercial use. Maglev is a system in which the vehicle runs levitated from the guideway corresponding to the rail tracks of conventional railways by using electromagnetic forces between superconducting magnets on board the vehicle and coils on the ground. The train will be propelled to move by the guide way itself.
Jan 04, 2018 this is a working maglev train that i designed and 3d printed. The electromagnet control loop is designed using the equations. Those kinds of speeds give engineers hope that the technology will prove useful for routes that are hundreds of miles. Instead, only the motion of train cars above the track is needed to achieve stable levitation. A full trip on the shanghai transrapid maglev train. The detailed working of maglev train is shown in the figure below. Magnetic levitation track construction instruction manual. Maglev trains have to perform the following functions to operate in high speeds. Maglev is a method of propulsion that uses magnetic levitation to propel vehicles with magnets rather.
Based on the techniques used for levitation there are two types of maglev trains. The full form and the basic working principle of maglev is called magnetic levitation. What if someone combine the two making a flying train, well someone has,even better,this new flying train does not require any engine,is environmentally friendly,and would require less maintenance than your car, this new invention called. A fast and reliable software network load balancer daniel e.
The fastest train running in the world uses eds principle and runs at a speed of 581kmhr. The system is failsafe upon loss of power, and simpler and lower in cost than current maglev systems. This project is a continuation of work done by paul friend in 2004. Im writing an essay about maglev trains, and i need to put stuff down for a citation in mla format. The train descends slowly on to the guide way and runs some distance on it till it stops. 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. Brandon gilmore, jeff deely, magnetic levitation transportation by the use of electromagnets in maglev trains, a11, paper 3068, april 20. This results in the following differential equation for the ball dynamics. Technology and working of maglev trains fig 21 internal. Maglev systems represent a promising evolution in the highspeed ground transportation, offering speeds in excess of 500 mph along with the potential for low operating costs and minimal environmental impact.
As you gradually add water to your plastic cup, your maglev train will sink closer to the tracks. Magnetic levitating trains electrical and computer. This is the basic principle behind electromagnetic propulsion. This maglev model accurately reproduces the setup of magnets used in shanghais maglev system and is made up of two parts. Since then, japans shinkansen network has expanded considerably, and its success has prompted rapid development of highspeed railways in other countries. The following is a general explanation of the principle of maglev. Design and control of levitation and guidance systems for a semihighspeed maglev train article in journal of electrical engineering and technology 121. Not all was lost, though, as the chinese took notice and commissioned the germans to build a transrapid train in shanghai. Dec 26, 2012 basic principle of maglev trainsmaglev trains have to perform the following functions to operate in high speeds1. Technology and working of maglev trains fig 21 internal working of the maglev from mechanical 22 at university of calicut school of distance education.
When one side of the train nears the side of the guideway, the super. Its no longer science fiction, maglev trains are the new way of transportation in the near future, just some obstacles are in the. In the 21st century there are a few countries using powerful electromagnets to develop highspeed trains, called maglev trains. Electric train experiment purpose to build an electric train, utilizing uninsulated copper wire, a battery, and powerful magnets. When one side of the train nears the side of the guideway, the super conducting magnet on the train induces a repulsive force from the levitation coils on the side closer to the train and an attractive force from the coils on the farther side. This is a working maglev train that i designed and 3d printed. The utility of such levitation is that in the friction the energy loss is minimized allowing the speed of the train rise up to 581 kmph. Magnetism provides the force required to levitate the train over the tracks, reducing the energy required to move the train.
For those who are interested, there is a new 2014 teaching dvd for maglev available in the science olympiad store. The goal of this effort is to investigate the feasibility and. If the power fails, the train can slow down gradually and stop on its auxiliary wheels. Prashant zanwar university of central florida maglev. Maglev derived from magnetic levitation is a transport method that uses magnetic levitation to move vehicles without making contact with the ground. 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. Basic principle of maglev trainsmaglev trains have to perform the following functions to operate in high speeds1.
Basic principle of maglev trains maglev trains have to perform the following functions to operate in. In 1904 goddard described a rail system using an electromagnetic rail bed to levitate a train in a tube. Design and control of levitation and guidance systems for a. Maglev challenge both technical, financial by reiji. Figure 2a shows the basic block diagram of an onwheel rail system. Download this books into available format 2019 update. 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.
Maglev on the development track for urban transportation. The concept of magnetically levitated or maglev trains is of very much interesting. The specified maintenance actions must have an instruction manual for their. Homeowners have protested about a plan to build a maglev train line nearby. It was decided that a maglev track could be created that is not only as consistent as a professionallybuilt track, but also less expensive. V3 department of mechanical engineering, magna college of engineering, magaral, chennai, india 1,2, 3. Sep 30, 20 maglev challenge both technical, financial by reiji. Maglev 4 3 control system design in order to control the ball position, we need to control the current in the electromagnet. Principle of maglev maglev is a system in which the vehicle runs levitated from the guide way corresponding to the rail tracks of conventional railways by using. Its a bit more complex than that, but the concept is simple. In october 2016, a japan railway maglev bullet train blazed all the way to 374 mph 601 kph during a short run. 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. This experiment is guided towards stem education and.
This track construction instruction manual will provide instructions on how to build two different styles of maglev tracks. The train will be floating about 10mm above the magnetic guiding track. Maglev systems are currently in use for applications such as bearings, highspeed trains, and manufacturing. The engineering challenge is to get a train to move three feet without making physical contact with the track. Much like a fullsized maglev system, the track and train need to be precisely. The result is a fascinating and cheap experiment that displays the basic principles of electromagnetism and engineering. If your plastic cup is completely full and the train is still not touching the track, either add a second cup, or start. Professor eric laithwaite of imperial college in london developed the first fullsize working model. Jr japans maglev traveling at 500 kmh 311mph duration. The official rules in the current rules manual take precedence. It is specifically developed for train transportation. The passengers would need to activate a manual release mechanism and then the. The maglev project consists of two construction phases.
Magnetic levitation the principle of magnetic levitation is that a vehicle can be suspended and propelled on a guidance track made with magnets. Working of the maglev trains can be studied under the following. Maglev train propulsion and levitation may involve the use of superconducting materials, electromagnets, diamagnets, and rareearth magnets. For decades, conventional trains, a major source of land transportation, have served people around the world. When the train is to be halted the current through the levitating and propelling coils are switched off. This scientific principle is critical for the train to float.
Jun 14, 2016 a maglev train car is just a box with magnets on the four corners, says jesse powell, the son of the maglev inventor, who now works with his father. Design and control of levitation and guidance systems for. When working with magnets, keep them away from your mouth, and away from small children and pets. The principle and working of maglev train with lateral guidance. The electromagnetic force is used to counteract the effects of the gravitational force. The track of the maglev train is called the guideway. T railway technology today 12 edited by kanji wako magnetic.
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