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. The technology behind the magnetic levitation train apex. Bidyadhar subudhi department of electrical engineering national institute of technology, rourkela. Levitation guidance the levitation and guidance of the small scale train can be implemented by either active or passive methods. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. The magnetic levitation technology can be used as an efficient technology in. Lowcost magnetic levitation project kits for teaching feedback system design katie a. Diamagnetic levitation of pyrolitic graphite over a single. 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. Due to the lack of mechanical contact, magnetic levitation systems are free of problems caused by friction, wear, sealing and lubrication. 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. Among useful usages of magnetic levitation technologies, the most important usage is in operation of magnetically levitated trains. Applications and future of magnetic levitation high tech point. Its applications have an impact on societal stakeholders ranging from international energy conglomerates to agricultural and environmental enterprises.
Levitationguidance the levitation and guidance of the small scale train can be implemented by either active or passive methods. Magnetic levitation maglev by nazia banoo siddiqui eee,6th sem 2. Having enough force to levitate it isnt the problem. Maglev trains are propelled and braked by a linear motor. Practical applications of magnetic levitation technology. In it, railroading technology will away with moving components, permitting vehicles to maneuver additional swimmingly and more. 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. 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. Magnetic levitation is a technology with the potential to change society and the world of business. In the past, magnetic levitation was attempted by using permanent magnets. Maglevs use magnetic forceslike poles repel each other, and opposite poles attractto lift, propel, and guide a vehicle over a track. In this experiment, a steel ball is levitated using the force generated by an electromagnet see the picture below. For those of you who dont know, magnetic levitation is a method of suspending objects without any support aside from magnetic fields.
Magnetic levitation maglev can create frictionless, efficient, faroutsounding technologies. Download the seminar report for magnetic levitation. Apr 28, 20 applications and future of magnetic levitation. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Magnetic levitation in antiquity and the middle ages pdf. Magnetic levitation system in control engineering education 153 2. Recently, there have been some attempts to apply magnetic levitation technology in areas where contactless operation is a prime design consideration. Currently, ems levitation practices are being applied in germany on a system known as transrapid 9. Magnetic levitation technology has shown a great deal of promise for micromanipulation tasks. There are two types or methods of magnetic levitation, electro dynamic levitation edl and electro magnetic levitation eml. The tokaido shinkansen began operations in 1964 and was. The first type of maglev levitation, ems, requires two things. 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.
Propulsion is placed into subsystems of controls, sensing, and the propulsion mechanism. 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. These advantages have made magnetic levitation systems a great candidate for clean room applications. Apr 10, 2011 magnetic levitation wind turbine maximum overall efficiency of windmill is 30%. Magnetic fields are used to counteract the effects of gravitational acceleration and any other accelerations. If magnetic repulsion is used, it is known as magnetic levitation. 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. 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. The basic idea is to make a magnet float by holding it up with the repelling force from another magnet. Active levitation can require high powered electromagnets, super cooling systems, or complex controllers. It employs diamagnetism, which is an intrinsic property of many materials referring to their. Maglev can create frictionless, efficient, faroutsounding technologies. Magnetic levitation maglev or magnetic suspension is a method by which an object is.
Magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. Pdf this book provides a comprehensive overview of magnetic levitation maglev technologies, from fundamental principles through to the. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. The floating magnet tends to rotate around, flipping itself to attract to the other magnet. Currently, ems levitation practices are being applied in germany on a. Department of electrical engineering and computer science massachusetts institute of technology cambridge, ma 029 email. T railway technology today 12 edited by kanji wako. Abstract the use of superconductive magnetic coils to levitate and propel. Pdf magnetic levitation is a way of using electromagnetic fields to. Magnetic levitation maglev is a highly advanced technology. Maglev is an innovative ground transportation system based on magnetic levitation technology.
The magnetic levitation technology can be used as an efficient. Magnetic levitation maglev is not just a cool name. If the magnetic force of attraction is used, it is known as magnetic suspension. Aug 28, 2014 diamagnetic levitation of pyrolitic graphite over a single magnet has been achieved, using commercially available magnetic field domain printing technology. Maglev, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion. Laser sensors provide noncontacting position feedback and incorporate proprietary conditioning to electronics. The magnetic levitation system mls is a complete after assembling and software installation control laboratory system ready to experiments. Maglev derived from magnetic levitation uses magnetic.
Phase i proves that levitation is possible by redesign of a wheel track system. Magnetic levitation is the process of levitating an object by exploiting magnetic fields. A high speed maglev train uses noncontact magnetic levitation, guidance and propulsion systems and has no. The method realizes stable and welldamped 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. Magnetic levitation is a highly advanced technology. Maglev, or magnetic levitation, is a system of transportation that suspends, guides and propels vehicles, predominantly trains, using magnetic levitation. Colorado department of transportation magnetic levitation. Practical applications of magnetic levitation technology, final report. Magnetic levitation magnetic fields are actively excluded from superconductors meissner effect. Richard post from lawrence livermore national labs llnl. Its applications have an impact on societal stakeholders ranging from international energy conglomerates to agricultural and. Passive levitation requires a method of propulsion to induce levitation forces. Technologies magnetic levitation technology maglev.
The name maglev is derived from magnetic levitation. 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. Magnetic levitation train technology the objective of this project is the creation of a laboratory scale magnetic levitating train. Magnetic levitation train technology 1 bradley university. Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. The reason for choosing the inductrack method and a basic explanation of the inductrack method for magnetic levitation are given. If a small permanent magnet is placed above a superconductor, it can be levitated by this repulsive force. Pseudolevitation of two permanent magnets on a guide rod. Nope, no photoshop and no fishing line were used to make this picture, just 100% pure physics and some patience.
Figure 2 subsystem block diagram the project concentrated on the levitation system of the maglev train. The magnetic levitation force is ideal for supporting a train at very high speeds. T railway technology today 12 edited by kanji wako magnetic. Here are some of the craziest uses that engineers and designers have dreamed up. If the same windmill is operating at 50% of its maximum speed the efficiency becomes very low. This instructable explains how you can build your own top hovering in the air like a ufo. 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. Jul 04, 2015 magnetic levitation maglev is not just a cool name. Introduction magnetic levitation maglev is a highly advanced technology. 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. The maglev project consists of two construction phases. Magnetic levitation maglev is an innovative transportation technology. A special issue of ieee transactions on vehicular technology was.
Magnetic levitation wind turbine maximum overall efficiency of windmill is 30%. 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. Magnetic levitation technology magnetic levitation is a method by which an object is suspended in the air with no support other than magnetic fields. The maglev system consists of an electromagnet, a ball rest, a ball position sensor, and a steel ball. The is an ideal tool for demonstration of magnetic levitation phenomena. The technique enables the levitation of an object using electromagnets. Mar 21, 2012 magnetic levitation maglev can create frictionless, efficient, faroutsounding technologies. It is sometimes said to be the first fundamental innovation in the field of railroad technology since the invention of the railway. Rating is available when the video has been rented. Trends in increased mobility of large masses with changing lifestyle for more comfort are leading to congestion on roads with automobiles. Diamagnetic levitation of pyrolitic graphite over a single magnet has been achieved, using commercially available magnetic field domain printing technology. The fields are used to reverse or counteract the gravitational pull and any other counter accelerations.
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