The technique enables the levitation of an object using electromagnets. It employs diamagnetism, which is an intrinsic property of many materials referring to their. Short, slower speed maglev routes have been proposed more for reasons of technology demonstration and possible economic development than for any dramatic improvements over existing technology options. Recently, there have been some attempts to apply magnetic levitation technology in areas where contactless operation is a prime design consideration. Its applications have an impact on societal stakeholders ranging from international energy conglomerates to agricultural and. The technology behind the magnetic levitation train apex. Maglev trains are propelled and braked by a linear motor. If the magnetic force of attraction is used, it is known as magnetic suspension. Magnetic levitation maglev is a highly advanced technology. Magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. The fields are used to reverse or counteract the gravitational pull and any other counter accelerations. If a small magnet is brought near a superconductor, it will be repelled becaused induced supercurrents will produce mirror images of each pole. Submitted to the 2004 american control conference 1 lowcost. Figure 2 subsystem block diagram the project concentrated on the levitation system of the maglev train.
Pdf this book provides a comprehensive overview of magnetic levitationmaglev technologies, from fundamental principles through to the. Aug 28, 2014 diamagnetic levitation of pyrolitic graphite over a single magnet has been achieved, using commercially available magnetic field domain printing technology. Development history in the early development stages, superconducting magnet technology was considered an esoteric technical field and some people assumed that the technology could never be used for commercial train travel. Controller design for magnetic levitation system a thesis submitted in partial fulfillment of the requirements for the degree of master of technology in control and automation by abhishek. Currently, ems levitation practices are being applied in germany on a system known as transrapid 9. Magnetic levitation maglev by nazia banoo siddiqui eee,6th sem 2. Nope, no photoshop and no fishing line were used to make this picture, just 100% pure physics and some patience. Magnetic levitation train technology the objective of this project is the creation of a laboratory scale magnetic levitating train. Design, implementation and control of a magnetic levitation. Magnetic levitation is the process of levitating an object by exploiting magnetic fields. Jul 04, 2015 magnetic levitation maglev is not just a cool name. The magnetic levitation system mls is a complete after assembling and software installation control laboratory system ready to experiments.
If the same windmill is operating at 50% of its maximum speed the efficiency becomes very low. Active levitation can require high powered electromagnets, super cooling systems, or complex controllers. Applications and future of magnetic levitation high tech point. Bidyadhar subudhi department of electrical engineering national institute of technology, rourkela. Richard post from lawrence livermore national labs llnl. Scientifically speaking, levitation is defined as the process in which an object or person lifts up in the air usually, very low, without mechanical support, in a controlled way. In this experiment, a steel ball is levitated using the force generated by an electromagnet see the picture below. T railway technology today 12 edited by kanji wako magnetic. This project is a continuation of work done by paul friend in 2004. Phase i proves that levitation is possible by redesign of a wheel track system.
Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. Diamagnetic levitation of pyrolitic graphite over a single. For those of you who dont know, magnetic levitation is a method of suspending objects without any support aside from magnetic fields. Lowcost magnetic levitation project kits for teaching feedback system design katie a. Technologies magnetic levitation technology maglev. Levitationguidance the levitation and guidance of the small scale train can be implemented by either active or passive methods. Controller design for magnetic levitation system a thesis submitted in partial fulfillment of the requirements for the degree of master of technology in control and automation by abhishek nayak m. If a small permanent magnet is placed above a superconductor, it can be levitated by this repulsive force. Trends in increased mobility of large masses with changing lifestyle for more comfort are leading to congestion on roads with automobiles. The magnetic levitation force is ideal for supporting a train at very high speeds. Diamagnetic levitation of pyrolitic graphite over a single magnet has been achieved, using commercially available magnetic field domain printing technology. Maglev, or magnetic levitation, is a system of transportation that suspends, guides and propels vehicles, predominantly trains, using magnetic levitation. Magnetic levitation maglev is an innovative transportation technology. A special issue of ieee transactions on vehicular technology was.
Maglev, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion. The method realizes stable and welldamped levitation. Introduction from the principal point of view, the magnetic levitation is a method which is used for suspending an object in the air, without any physical contact. Apr 28, 20 applications and future of magnetic levitation. Here are some of the craziest uses that engineers and designers have dreamed up.
Magnetic levitation captionovercoming the pull of gravity and fighting acceleration are major challenges for scientists looking to achieve flight andor highspeed transportation. Magnetic levitation maglev or magnetic suspension is a method by which an object is. Maglev can create frictionless, efficient, faroutsounding technologies. T railway technology today 12 edited by kanji wako. Maglev derived from magnetic levitation uses magnetic. Propulsion is placed into subsystems of controls, sensing, and the propulsion mechanism. The floating magnet tends to rotate around, flipping itself to attract to the other magnet. The common point in all applications is the lack of contact and thus no wear and friction. In it, railroading technology will away with moving components, permitting vehicles to maneuver additional swimmingly and more. Magnetic levitation wind turbine maximum overall efficiency of windmill is 30%. By monika yadav, nivritti mehta, aman gupta, akshay chaudhary.
Magnetic fields are used to counteract the effects of gravitational acceleration and any other accelerations. The technology, known also as the inductrack, promises to be cheaper and safer than the magnetic levitation system maglev currently in use in some highspeed trains in germany and china. Abstract the term levitation refers to a class of technologies that uses magnetic levitation to propel vehicles with magnets rather than with wheels, axles and bearings. Having enough force to levitate it isnt the problem. The maglev project consists of two construction phases.
Magnetic levitation in antiquity and the middle ages pdf. Maglev is an innovative ground transportation system based on magnetic levitation technology. The name maglev is derived from magnetic levitation. These advantages have made magnetic levitation systems a great candidate for clean room applications. Pseudolevitation of two permanent magnets on a guide rod. The magnetic levitation technology can be used as an efficient. The first type of maglev levitation, ems, requires two things. Pdf this book provides a comprehensive overview of magnetic levitation maglev technologies, from fundamental principles through to the. Magnetic levitation is a highly advanced technology. Pdf magnetic levitation is a way of using electromagnetic fields to. It is sometimes said to be the first fundamental innovation in the field of railroad technology since the invention of the railway. The technology behind the magnetic levitation train so far the maglev train is only notably operating as a transport system in japan, china, and a few other countries, but recent reports suggest that the impressive floating train technology could make its way to the u. Due to the lack of mechanical contact, magnetic levitation systems are free of problems caused by friction, wear, sealing and lubrication. The first requirement is met by using attractive forces between magnets 8.
Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Magnetic levitation train technology 1 bradley university. A technology approach to magnetic levitation steven barker, ron matusiak buffalo state college abstract a magnetic levitation maglev project is described with two major goals in mind. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. The maglev system consists of an electromagnet, a ball rest, a ball position sensor, and a steel ball. Magnetic levitation is a technology with the potential to change society and the world of business. New technologies of electric energy converters and actuators. Magnetic levitation maglev is not just a cool name. Department of electrical engineering and computer science massachusetts institute of technology cambridge, ma 029 email. Practical applications of magnetic levitation technology, final report. Magnetic levitation control system in stand alone analogue mode recall that the considered equipment is with a builtin power supply and in the analogue mode is capable of standalone. A high speed maglev train uses noncontact magnetic levitation, guidance and propulsion systems and has no.
Practical applications of magnetic levitation technology. Abstract the use of superconductive magnetic coils to levitate and propel. Dec 24, 2015 magnetic levitation captionovercoming the pull of gravity and fighting acceleration are major challenges for scientists looking to achieve flight andor highspeed transportation. Magnetic levitation technology magnetic levitation is a method by which an object is suspended in the air with no support other than magnetic fields. There are two types or methods of magnetic levitation, electro dynamic levitation edl and electro magnetic levitation eml. Magnetic bearings magnetic levitation new technologies of. The tokaido shinkansen began operations in 1964 and was. Passive levitation requires a method of propulsion to induce levitation forces. This instructable explains how you can build your own top hovering in the air like a ufo. Among useful usages of magnetic levitation technologies, the most important usage is in operation of magnetically levitated trains.
Currently, ems levitation practices are being applied in germany on a. In the past, magnetic levitation was attempted by using permanent magnets. Levitation guidance the levitation and guidance of the small scale train can be implemented by either active or passive methods. Mar 21, 2012 magnetic levitation maglev can create frictionless, efficient, faroutsounding technologies. Magnetic levitation magnetic fields are actively excluded from superconductors meissner effect. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Rating is available when the video has been rented. Magnetic levitation maglev can create frictionless, efficient, faroutsounding technologies. The reason for choosing the inductrack method and a basic explanation of the inductrack method for magnetic levitation are given. Its applications have an impact on societal stakeholders ranging from international energy conglomerates to agricultural and environmental enterprises. If magnetic repulsion is used, it is known as magnetic levitation. Download the seminar report for magnetic levitation.
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. The basic idea is to make a magnet float by holding it up with the repelling force from another magnet. Apr 10, 2011 magnetic levitation wind turbine maximum overall efficiency of windmill is 30%. Magnetic levitation technology has shown a great deal of promise for micromanipulation tasks.
The is an ideal tool for demonstration of magnetic levitation phenomena. The magnetic levitation technology can be used as an efficient technology in. Introduction magnetic levitation maglev is a highly advanced technology. Maglevs use magnetic forceslike poles repel each other, and opposite poles attractto lift, propel, and guide a vehicle over a track. Laser sensors provide noncontacting position feedback and incorporate proprietary conditioning to electronics. Colorado department of transportation magnetic levitation. Magnetic levitation system in control engineering education 153 2.
901 510 753 1043 1099 575 553 428 572 976 556 941 654 1356 389 208 138 916 214 1082 504 250 411 237 1335 182 569 1043 932 1246 151 1188 1060