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. A magnetic levitation put which can be easy implemented comparing to the multi is a nonlinear unstable system and the fuzzy logic controller brings the magnetic levitation system to a stable region by keeping a magnetic ball suspended in the air. The real levitation makes use of diamagnetism, an intrinsic property of many materials referring to their ability to expel a portion of an external. The demonstration is a replica of an experiment described by m. Magnetic levitation, of course, is a well known concept in several practical applications like levitation based trains as well as in simple science toys the most famous of which is the levitron.
Pseudolevitation of two permanent magnets on a guide rod. If the magnetic force of attraction is used, it is known as magnetic suspension. Magnetic levitation maglev is an innovative transportation technology. Magnetic levitation electricity generator the venus project.
Saving your presentation as a pdf lets anyone view it, even if they dont have powerpoint. Sliding mode control in mechanical systems taylor and francis ltd, 11 new fetter lane, london. Magnetic levitation powerpoint authorstream presentation. Paul friends research helped him plot levitation height vs. Magnetic levitation in antiquity and the middle ages pdf. Direct diamagnetic levitation how it works diamagnetic materials repel a magnetic field all materials have diamagnetic properties, but the effect is very weak, and usually overcome by the objects paramagnetic or ferromagnetic properties, which act in the opposite manner. Diamagnetic levitation harvard natural sciences lecture. One can also levitate a frog or other animals or objects with a very powerful superconducting magnet. Magnetic levitation transportation has many advantages over the conventional trains. The faster the train moves, the higher the train levitates.
Maglev, or magnetic levitation, is a system of transportation that suspends, guides and propels vehicles, predominantly trains, using magnetic levitation. Control of single axis magnetic levitation system using. A tool to support materials research in microgravity containerless processing represents an important topic for materials research in microgravity. In the past, magnetic levitation was attempted by using permanent magnets. Introduction magnetic levitation is the process by which a ferromagnetic object is suspended in the air against gravity with the help of a magnetic field generated by a coil. Levitated specimens are free from contact with a container, which permits studies of deeply undercooled melts, and hightemperature, highly reactive materials. Stable levitation of one magnet by another is usually prohibited by earnshaws theorem, but the introduction of diamagnetic material at special locations can stabilize such levitation. Introduction magnetic levitation, or maglev, is a method by which an object is suspended above another object without any support other than. When a superconductor at its critical temperature is exposed to a magnetic field currents are induced within it. We feel pleased to present our formal report on maglev trains. Download the seminar report for magnetic levitation.
Trends in increased mobility of large masses with changing lifestyle for more comfort are leading to congestion on roads with automobiles. Magnetic levitation maglev technologies the tokaido shinkansen began operations in 1964 and was an immediate success. But they offer more than just propulsionthey also levitate. Ppt magnetic levitation train powerpoint presentation. Hormaz amrolia department of electrical engineering institute of technology, nirma university ahmedabad. Walter barie and john chiasson 1996 linear and nonlinear state space controllers for magnetic levitation. 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. Magnetic levitation driving without wheels presentation outline 1. With maglev, a vehicle is levitated a short distance away from a guide way using magnets to create both lift and thrust.
Magnetic levitation system in control engineering education 153 2. Magnetic levitation a seminar report submitted in partial fulfillment of. But unlike levitron and many other toys, the con guration in fig. Magnetic levitation a seminar report submitted in partial fulfillment of the requirements for the degree of bachelor of technology in electrical engineering submitted by. Save powerpoint presentations as pdf files office support. 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. Maglev derived from magnetic levitation is a method of propulsion that uses magnetic levitation to propel vehicles with magnets rather than with wheels, axles and bearings. As mentioned, superconducting magnets are used create a strong magnetic force to propel the vehicle. Vasav shethna bee110 tushar shingala bee111 under guidance of. Current projects nclusion introduction maglev, or magnetic levitation, is a system of transportation that suspends, guides.
A high speed maglev train uses noncontact magnetic levitation, guidance and propulsion systems and has no. Magnetic levitation free download as powerpoint presentation. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. The report focuses on the technology empowering the highly successful transportation method of maglev trains, and their advantages. The electromagnetic force is used to counteract the effects of the gravitational force. In it, railroading technology will away with moving components, permitting vehicles to maneuver additional swimmingly and more. Magnetic levitation maglev or magnetic suspension is a method by which an object is. Magnetic levitation magnetic devices classical mechanics. A common one is a magnet floating above a piece of ybco hightemperature superconductor cooled by liquid nitrogen. Maglev derived from magnetic levitation uses magnetic levitation to propel vehicles. Todays science knows only one way to achieve real levitation, i. Magnetic levitation electricity generator the future of clean, unlimited alternative new energy is approaching.
Remove the battery and the levitation inevitably stops. 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. One electromagnet pole faces a black post upon which a 2. Diamagnets repel, and are repelled by a strong magnetic field. When assembled as described, the system exhibits high sensitivity to initial conditions and considerable visible wobble of the object. The magnets used in magnetic levitation suspend an object free of contact with any surface, making it particularly appropriate for highspeed 275300 mph435475 kmh transportation, where it greatly reduces friction and allows for fast, quiet operation.
Stable passive diamagnetic levitation at room temperature using permanent magnets many people have seen levitation tricks. With maglev, a vehicle is levitated a short distance. These advantages have made magnetic levitation systems a great candidate for clean room applications. Maglev 1 magnetic levitation experiment quanser consulting inc. Simple magnetic levitation train seminar reportpdf ppt download the answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. T railway technology today 12 edited by kanji wako. Attraction is caused by having the currents within each of the circuits traveling in the same direction. Magnetic levitation and applications obstacles electromagnetic suspension ems expensive guide way existence of conventional high speed trains. This paper discusses the development of magnetic levitation vehicles in. 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. If magnetic repulsion is used, it is known as magnetic levitation.
Wills physics laboratory, university of bristol, tyndall avenue, bristol. A modicum of success was achieved translating particles horizontally. Imc based pid control of a magnetic levitation system. The electrons in a diamagnetic material rearrange their orbits slightly creating small. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. This successful optical levitation in air confirms the work of ashkin and dziedzic. Winner of the standing ovation award for best powerpoint templates from presentations magazine. It employs diamagnetism, which is an intrinsic property of many materials referring to their. A presentation on magnetic levitation and its applications maglev trains, windmills, magnetic bearing and space propulsion. Many common materials such as water, wood, plants, animals, diamonds, fingers, etc. In this thesis, a new large gap magnetic levitation system is designed, developed and successfully tested. This process presents many practical applications such as. In this experiment, a steel ball is levitated using the force generated by an electromagnet see the picture below. Introduction to magnetic bearing by jagu srinivasa rao pdf magnetic bearings by hillyard pdf design and control.
Magnetic levitation trains and conventional trains. It is sometimes said to be the first fundamental innovation in the field of railroad technology since the invention of the railway. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Maglev trains a few countries traveling at are using speeds of up to powerful 310 mph 500 electromagnets kph, maglev trains could to. Practical applications of magnetic levitation technology. 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 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. The kit is easy to assemble, but initial performance of the device is intentionally poor. Magnetic levitation is the process of levitating an object by exploiting magnetic fields. Due to the lack of mechanical contact, magnetic levitation systems are free of problems caused by friction, wear, sealing and lubrication.
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