This is a classic control problem used in many practical applications such as transportation magnetic levitated trains, using. Review of magnetic levitation magleva technology to propel vehicles with magnets. Working concept behind ultrahigh speed supersonic trains technology of maglev there are two primary types of maglev technology. This paper discusses the development of magnetic levitation vehicles in. This process is experimental and the keywords may be updated as the learning algorithm improves. The basic idea behind an electromagnet is extremetric ly simple, by running elec current through a wire. Nonlinear control for magnetic levitation of automotive. The best solution for the electrodynamic system is the synchronous linear. Then there is the randstad system proposed for the netherlands, along with numerous plans from eastern europe to the middle east. A magnetic levitated car comprising a car body that is made to float on a magnetic road laid on with a plurality of spaced apart magnets, at least one magnetic suspension stabilizer disposed spacedly at the bottom of said car body, and at least one electro magnetic wheel provided at the bottom of said car body. There is no limit to the number of magnets which may be affixed to a vehicle. Magnetic levitation free download as powerpoint presentation. Apr 10, 2011 magnetic levitation wind turbine maximum overall efficiency of windmill is 30%.
In it, railroading technology will away with moving components, permitting vehicles to maneuver additional swimmingly and more. With maglev, a vehicle is levitated a short distance away from a guide way using magnets to. This book provides a comprehensive overview of magnetic levitation. With maglev, a vehicle is levitated a short distance away from a. It is sometimes said to be the first fundamental innovation in the field of railroad technology since the invention of the railway. Superconducting magnet for magnetically levitated vehicle. Diamagnetic levitation using bismuth and copper bismut is such a cool element. Nope, no photoshop and no fishing line were used to make this picture, just 100% pure physics and some patience. Spm maglev technology will permit incremental upgrade of our current rail and subway systems. Free energy magnet motor levitating strong free energy. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Dynamic analysis of high speed maglev vehicleguideway. The definition goes on to state, in a simple configuration, an electromagnet is used to lift up a ferromagnetic object and the gravity pulls down the. Magnetic levitation is the process of levitating an object by exploiting magnetic fields.
Magnetic levitation is cited on microsoft academic search as follows. Work on magnetic levitation maglev as a basis for ground transport systems has been going on since the 1960s, and although the future of. Pdf this book provides a comprehensive overview of magnetic levitation maglev technologies, from. Levitated specimens are free from contact with a container, which permits studies of deeply undercooled melts, and hightemperature, highly reactive materials. Of the types of magnetic levitation systems proposed, electromagnetic attraction. 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. There is no maximum height, nor minimum length restrictions. Magnetic levitation of vehicles vs antigravity physics forums. In march, 1987, the prototype mlu001 magnetically levitated maglev vehicle using superconducting magnets made its debut on miyazaki test track of the railway technical research institute. Innovation led to the construction of the project making it a significant concept. T railway technology today 12 edited by kanji wako magnetic. As others are pointing out, we do have maglev trains, and one of those with only one car would be like having a maglev bus. The magnetic levitation by zero power control is effective in guiding the elevator car.
Maglev, or magnetic levitation, is a system of transportation that suspends, guides and propels vehicles, predominantly trains, using magnetic levitation. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Here are some of the craziest uses that engineers and designers have dreamed up. Mar 21, 2012 magnetic levitation maglev can create frictionless, efficient, faroutsounding technologies.
Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. In dick tracy and spiderman comics, magnetic levitation also achieved considerable heights. Magnetic levitation, maglev, or magnetic suspension is a method by which an object is suspended above another object with no support other than magnetic field. Magnetic levitation maglev or magnetic suspension is a method by which an object is. The is an ideal tool for demonstration of magnetic levitation phenomena. Maglev is a method of propulsion that uses magnetic levitation to propel vehicles with magnets rather than with wheels, axles and bearings. Applications and future of magnetic levitation high tech. The answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. In the past, magnetic levitation was attempted by using permanent magnets. Applications and future of magnetic levitation high tech point. The name maglev is derived from magnetic levitation. A tool to support materials research in microgravity containerless processing represents an important topic for materials research in microgravity. This instructable explains how you can build your own top hovering in the air like a ufo.
Magnetic levitation and mhd propulsion 583 electromagnetic and electrodynamic systems by a linear electrical motor. Magnetic levitation driving without wheels presentation outline 1. Some maglev hyperloop prototype vehicles are being developed as part of the hyperloop pod competition. Magnetic levitation technique is found to be the main alternative to fossil fuels to overcome its less availability. Seminar on maglev trains report free pdf download abstract as the world continues to grow and as cities continue to become more crowded and congested, our normal modes of transportation will not be able to handle these overpopulated areas. Thereafter, speed was increased in very small increments over a considerable period of time, with continual monitoring to measure car movement and verify braking performance. Introduction electromagneticlevitation is a classic control problem for which numerous solutions have been proposed. To create levitation, a magnetic repulsion force is used to counteract the force of gravity. Magnetic levitation or maglev propulsion the venus project. Asynchronous solutions are not suited for electrodynamic systems without magnetic materials and with a large gap. 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 polarity of the stators figure 1 at the track will quickly change its polarity continuously to move the maglev train. I was wondering what the future holds for magnetic levitation. I build this thing after seeing something like it on youtube, its a very simple construction and its fun to play with it. The right magnetic material must be used to achieve levitation. With maglev, a vehicle is levitated a short distance away from a guide way using magnets to create both thrust and lift. Big maglev plans have been proposed in the us, including a large system for pennsylvania.
It is a type of magnet in which the magnetic field is produced by electric current. The electromagnetic force is used to counteract the effects of the gravitational force. Magnetic levitation maglev technology and applications hyung. Magnetic levitation wind turbine maximum overall efficiency of windmill is 30%. Magnetic levitation maglev is an innovative transportation technology. On 12 december 1997, a new world record of 531 kmh was set for manned train travel. I know its already used for some trains, but was wondering what the physics problems would be in trying to float vehicles on a strong magnetic field. Alright, and something to safely cast the bismut into the shape you want. Electromagnetic suspension ems uses the attractive magnetic force of a magnet beneath a rail to lift the train up. You told us to get two 9 volt batteries for the motor.
If magnetic repulsion is used, it is known as magnetic levitation. By eliminating friction caused by tires, magnetic levitation vehicles are capable of exceeding speeds of over 500 mph. By installing spm guideways on the same ties as existing tracks, with one maglev rail outside each of the existing steel rails and a motor rail down the center, spm maglev vehicles can operate simultaneously with standard rail and subway vehicles. Magnetic levitation of vehicles vs antigravity physics. Introduction electromagnetic levitation is a classic control problem for which numerous solutions have been proposed. 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. Pdf magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. Magnetic levitation maglev can create frictionless, efficient, faroutsounding technologies. Practical applications of magnetic levitation technology. An ems system can provide both levitation and propulsion using an on board linear motor. Include details on the technical specifications of how a. 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.
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. Conductive wires may not rest on the top of the rails. We had one fan, one 9 volt engine, one thing of wires, four magnets, two small cards, and two big cards. But they offer more than just propulsionthey also levitate the vehicles and guide them within the. The term levitation refers to a class of technologies that uses magnetic levitation to propel vehicles instead of using wheels, axles and bearings as used in the regular vehicles. Maglev trains seminar report,ppt,pdf,doc,presentation,free. In this activity, students will be able to observe how a magnetic levitation vehicle works, better understand scientific principles related to magnets, and explore new possibilities for future transportation systems. He showed that stable contact free levitation by forces. It is very fast rotating system of free energy fan rotation of magnet motor. Magnetic materials are classified into three categories. Maglev trains seminar report,presentation,free download. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Magnetic levitation vehicles introduction magnetic levitation, or maglev, is a technology used for highspeed trains in which the vehicle is lifted from the roadway or guideway by a magnetic field. A high speed maglev train uses noncontact magnetic levitation, guidance and propulsion systems and has no.
Current projects nclusion introduction maglev, or magnetic levitation, is a system of transportation that suspends, guides. Electromagnetic devices, nonlinear control, automobiles 1. Trends in increased mobility of large masses with changing lifestyle for more comfort are leading to congestion on roads with automobiles. The magnetic levitation main window in the ml main window one can find. Obviously the field would have to be embedded in roadways and parking lots, which limits is use.
Magnetic levitation maglev chiefly refers to any transportation system in which. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Stefanopoulou, member, ieee abstractposition regulation of a magnetic levitation device is achieved through a control lyapunov function clf feedback design. The free body diagrams for the carbody and the levitation frame are. A highprofile project for a maglev system linking hamburg and berlin was abandoned in 2000 due to concerns over cost. Magnetic levitation in antiquity and the middle ages pdf. Electromagnetic force test vehicle levitation force superconducting magnet magnetic levitation these keywords were added by machine and not by the authors. The magnetic polarity must be compatible with track specifications. Magnetic levitation, maglev, or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields.
Magneticlevitation literally means floating in air. Apr 28, 20 magnetic levitation is cited on microsoft academic search as follows. The magnet unit for zero power control comprises permanent magnets and electromagnets. Magnetic levitation article about magnetic levitation by. In 1842, samuel earnshaw, an english clergyman and scientist, proved another important limitation of magnetic levitation.
T railway technology today 12 edited by kanji wako. May 26, 20 i was wondering what the future holds for magnetic levitation. Pseudolevitation of two permanent magnets on a guide rod. Fundamental concepts we believe that the three most important fundamental concepts in the project were innovation, safety, and fabrication. If the magnetic force of attraction is used, it is known as magnetic suspension.
Vehicle shall be suspended solely by means of magnetic levitation. Each student must submit a persuasive 12 page essay roughly 5 paragraphs, 750 words to the editor of a technical journal that compares and contrasts how maglev technology is a practical alternative to shorthaul airlines. He showed that stable contactfree levitation by forces between static. Magnetic lifting machine a lifting machine is a magnetized set of steel components that act as.
Simple magnetic levitation train seminar reportpdf ppt download the answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. Magnetic levitation vehicle by robie swanson on prezi. It can be used as free energy generator for lighting of bulb as well. Simple magnetic levitation train seminar reportpdf ppt. Download the seminar report for magnetic levitation. The bottom portion of said magnetic suspension stabilizer has a polarity similar to. Many of the proposed solutions have focused on the use of feedback linearization 1, 3, 810, 15 due to the nonlinear characteristics of the magnetic and elec. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents.