When landing, this system can be utilized to decelerate the aircraft. Pseudolevitation of two permanent magnets on a guide rod. Other applications nasa plans to use magnetic levitation for launching of space vehicles into low earth orbit. Practical applications of magnetic levitation technology. First, the trains velocity induces a current in the track. Levitation of a permanent magnet above a superconductor was first demonstrated by v. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Projet design principles highspeed maglev system eisenbahn. The elimination friction is principal advantage by magnetic suspensions.
The objective of this paper is to show the developed operational concept, its key characteristics, the required improvements in aircraft and aircraft operation, the validation results and the impact assessment. Either the magnetic force of repulsion or attraction can be used. 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 operation without any computer control software. Maglev 1 magnetic levitation experiment quanser consulting inc. The active and passive magnetic linear suspensions are used to generate magnetic forces. Magnetic levitation has been used to implement lowcost and maintenancefree electromagnetic energy harvesting. Magnetic levitation system uses a magnetic force to levitate the aircraft on a rail and to accelerate it during takeoff.
Nonlinear control for magnetic levitation of automotive. Simple magnetic levitation train seminar reportpdf ppt download the answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. Apr 10, 2011 magnetic levitation theory and application based on levitation such as train,toy,turbine etc. This method can be faster than wheeled mass transit systems potentially reaching velocities comparable to an aircraft or a turboprop. Sep 27, 2014 principle of magnetic levitation the 8 figured levitation coils are installed on the sidewalls of the guideway. One electromagnet pole faces a black post upon which a 2. The adobe flash plugin is needed to view this content. The eu supported research project, abbreviated as gabriel, investigated whether magnetic levitation assisted takeoff and landing is feasible, cost effective and safe the objective of this paper is to show the developed operational concept, its key characteristics, the required improvements in aircraft and aircraft operation, the validation results and the impact assessm. Notice of funding opportunity for magnetic levitation deployment projects. Ppt magnetic levitation train powerpoint presentation free to download id. Magnetic levitation system introduction there are two experiments in this lab. This method can be faster than wheeled mass transit systems, potentially reaching velocities comparable to turboprop and jet aircraft 500 to 580 kmh. Sep 06, 20 simultaneous propulsion and levitation control of linear induction motor in maglev system driven by power source with frequency component synchronous with motor speed abstract.
The common point in all applications is the lack of contact and thus no wear and friction. Pdf this paper presents technology aspects and choices relative to worldwide. In the usual maglev transportation system using lim, the levitation of the carrier are controlled by the levitation magnets. Magnetic levitation trains and conventional trains.
Magnetic levitation system for takeoff and landing. Magnetic levitation magnetic fields are actively excluded from superconductors meissner effect. Magnetic levitation driving without wheels presentation outline 1. If a small permanent magnet is placed above a superconductor, it can be levitated by this repulsive force. Magnetic levitation system for takeoff and landing airplane p. Maglev can create frictionless, efficient, faroutsounding technologies. Why current maglev is not viable magnetic transport systems. Model of the electromagnetic levitation device tomas hron czech technical university in prague faculty of electrical engineering department of electrotechnology 1. Generally current maglev train systems utilize electromagnets fitted on either the undersidesidetop or both of specially designed guideways and lift and propel the train that is wrapped around the.
This current then induces a magnetic field that levitates the train. Magnetic levitation assisted aircraft takeoff and landing. We find that the stable levitation of a magnet can be achieved using the feeble diamagnetism of materials that are normally perceived as being nonmagnetic, so that even human fingers can keep a magnet hovering in midair without touching it. Maglev trains a few countries traveling at are using speeds of up to powerful 310 mph 500 electromagnets kph, maglev trains could to develop high begin speed trains, connecting called maglev distant cities in trains. In the past, magnetic levitation was attempted by using permanent magnets.
Traditional maglev trains use a series of magnets to lift and propel passengers to speeds in excess of 300 mph with no physical contact to the supporting guideway. Introduction magnetic levitation, or maglev, is a method by which an object is suspended above another object without any support other than magnetic field. Each document posted on the site includes a link to the corresponding official pdf file on govinfo. Magnetic levitation technology magnetic levitation is a method by which an object is suspended in the air with no support other than magnetic fields. A high speed maglev train uses noncontact magnetic levitation, guidance and propulsion systems and has no. Magnetic levitation maglev is an innovative transportation technology. Maglev, or magnetic levitation, is a system of transportation that suspends, guides and propels vehicles, predominantly trains, using magnetic levitation. Magnetic levitated train magnetic levitation transport, or maglev, is a form of transportation that suspends, guides and propels vehicles via electromagnetic force. In other words, it is overcoming the gravitational force on an object by applying a counteracting magnetic field.
Pdf magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. Boeing is pursuing research in maglev to provide a hypersonic ground test facility for the air force. This report is about magnetic levitation, and its application in the. In the case of magnetic attraction, the experiment is.
International journal of engineering research and general. The name maglev is derived from magnetic levitation. Discover everything scribd has to offer, including books and audiobooks from major publishers. The magnetic levitation systems have got a lot of advantages. Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. Linear induction motors lims are used to control the propulsion of maglev transportation and carrier system. Principle of magnetic levitation the 8 figured levitation coils are installed on the sidewalls of the guideway.
Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Magnetic levitation transport, or maglev, is a form of transportation that suspends, guides and propels vehicles especially trains via electromagnetic force. Linear induction motor lim in magnetic levitation the high speed surface transport hsst system is propelled by linear induction motor. There can be no purely electrostatic levitator or particle trap. Of the types of magnetic levitation systems proposed, electromagnetic attraction systems are currently the most widely. With respect to the second criterion, congress titled section 7 deployment of magnetic levitation transportation projects and the. Federal register notice of funding availability and. Magnetic levitation captionovercoming the pull of gravity and fighting acceleration are major challenges for scientists looking to achieve flight andor highspeed transportation.
Magnetic levitation theory and application based on levitation such as train,toy,turbine etc. Magnetic levitation is a highly advanced technology. We find that the stable levitation of a magnet can be achieved using the feeble diamagnetism of materials that are normally perceived as being non magnetic, so that even human fingers can keep a magnet hovering in midair without touching it. 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. How to model electrodynamic magnetic levitation devices.
Projectneutral design principles have been drafted for highspeed maglev systems and. The ability of levitationbased harvesting systems to operate autonomously for long. This document has been published in the federal register. This notice details the application requirements and procedures to obtain grant \\1\\ funding for eligible projects under the magnetic levitation technology deployment program maglev grants program.
When the onboard superconducting magnets pass at a high speed about several centimeters below the center of these coils, an. Download as ppt, pdf, txt or read online from scribd. If the magnetic force of attraction is used, it is known as magnetic suspension. Magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. Magnetic levitation is the process of levitating an object by exploiting magnetic fields. Model of the electromagnetic levitation device tomas hron. Walter barie and john chiasson 1996 linear and nonlinear state space controllers for magnetic levitation. Unlike a conventional motor, a linear motor creates linear motion instead of circular motion.
If an aircraft is assisted with magnetic levitation system during takeoff and landing excessive amount of impact force, vibration and shock will be produced. The fields are used to reverse or counteract the gravitational pull and any other counter accelerations. Types of maglev trainsbased on the techniques used for levitation there are two types of maglev trains1. Slideshare uses cookies to improve functionality and. Hardware the ecp magnetic levitation maglev design see fig. If magnetic repulsion is used, it is known as magnetic 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. Maglev ppt free download as powerpoint presentation. The use of magnetic fields to suspend an object above another object without solid mechanical support. Download the seminar report for magnetic levitation. Electrodynamic magnetic levitation can occur when there are timevarying magnetic fields in the vicinity of a conductive material. It employs diamagnetism, which is an intrinsic property of many materials referring to their. The magnetic levitation technology can be used as an efficient technology in. This increases efficiency, reduces maintenance costs, and increases the useful life of the system.
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 electromagnetic force is used to counteract the effects of the gravitational force. It is sometimes said to be the first fundamental innovation in the field of railroad technology since the invention of the railway. In this blog post, we will demonstrate how to model this principle with two examples. Introduction to magnetic bearing by jagu srinivasa rao pdf magnetic bearings by hillyard pdf design and control.
As mentioned above, the major principle behind its operation is magnetic repulsion. The first experiment studies system nonlinear characteristics, and the second experiment studies system dynamic characteristics with a number of different control actions. Propulsion, magnetic levitation and guidance, transfer of energy to the vehicle are investigated. This signal is fed back through a levitation constant that is defined by properties of the levitation halbach array and the track design.
Nonlinear control for magnetic levitation of automotive engine vales k. With maglev, a vehicle is levitated a short distance away from a. Magnetic levitation system in control engineering education 153 2. Simple magnetic levitation train seminar report pdf ppt download the answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. Ppt magnetic levitation train powerpoint presentation. Magnetic levitation powerpoint authorstream presentation. Figure 1 different propulsion methods of conventional electric railways and superconducting maglev guideway. If a small magnet is brought near a superconductor, it will be repelled becaused induced supercurrents will produce mirror images of each pole. With maglev, a vehicle is levitated a short distance away from a guide way using magnets to. Simple magnetic levitation train seminar reportpdf ppt. Notice of funding opportunity for magnetic levitation. Arkadiev in 1945, and the levitation of magnets above superconductors.
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. Simultaneous propulsion and levitation control of linear. This is to certify that the work in the thesis entitled controller design for magnetic levitation system by abhishek nayak is a record of an original research work carried out by him under my supervision and guidance in partial fulfillment of the requirements for the. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Laser sensors provide noncontacting position feedback and incorporate proprietary conditioning to electronics.
Stefanopoulou, member, ieee abstractposition regulation of a magnetic levitation device is achieved through a control lyapunov function clf feedback design. Simple magnetic levitation train seminar reportpdf ppt download. The ridership levels enjoyed by highspeed rail systemsl in france and japan and. Those who have studied levitation, charged particle traps, or magnetic. The ball elevation from the post is measured using a sensor embedded in the post. Sliding mode control in mechanical systems taylor and francis ltd, 11 new fetter lane, london. 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. Maglev trains seminar report,ppt,pdf,doc,presentation.
Trends in increased mobility of large masses with changing lifestyle for more comfort are leading to congestion on roads with automobiles. Magnetic levitation transportation has many advantages over the conventional trains. There arent any additional installations as cooling and lubrication system. The hsst levitation system uses ordinary electromagnets that exerts an attractive force and levitate the vehicle. This method can be faster than wheeled mass transit systems, potentially reaching velocities comparable to turboprop and jet aircraft 900kmh, 559 mph. Document tree highspeed maglev system design principles68. The eu supported research project, abbreviated as gabriel, investigated whether magnetic levitation assisted takeoff and landing is feasible, cost effective and safe. 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 a seminar report submitted in partial fulfillment of. We are here trying to develop an idea to run a train based. The documents posted on this site are xml renditions of published federal register documents.
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