This book provides a comprehensive overview of magnetic levitation maglev technologies, from fundamental principles through to the stateoftheart, and describes applications both realised and. The process of levitation melting of metals is examined analytically and numerically for the case of axisymmetric toroidal highfrequency currents. Acceleration and inclination sensors based on magnetic. This paper proposed a new magnetic levitation system using realtime control simulink feature of simlab microcontroller. With maglev, a vehicle is levitated a short distance.
Magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. Modeling and control of a magnetic levitation system concepts emphasized. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. International journal of all research education and. Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations.
The governing equations for the meanvelocity field and associated freesurface shape are derived under the assumption of low magnetic reynolds number and the neglect of thermal effects. Maglev 1 magnetic levitation experiment quanser consulting inc. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. Magnetic levitation is used in a new generation of train that will have cruising speeds. A magnetic bearing is a type of bearing that supports a load using magnetic levitation. Nonlinear observer based control of magnetic levitation. These advantages have made magnetic levitation systems a great candidate for clean room applications.
The ce152 made by humusoft is a laboratory magnetic levitation system designed for studying system dynamics and control. For the study of superconducting magnetic levitation by tehjla yew thesis submitted to the school of studies, universiti putra malaysia, in fulfilment the requirements for the degree of master of science august 2003. Modelling and design of magnetic levitation systems for. One electromagnet pole faces a black post upon which a 2. Using this model, a nonlinear control law based on differential geometry is firstly synthesized. The method used is backstepping technique and specifically adaptive observer backstepping due to parameter uncertainties and lack of access to all the states of the system. Kishan bhushan sahay submitted in department of electrical engineering madan. Students receive individual kits along with assembly instructions for building a magnetic levitation device that is marginally stable, and they are then challenged to modify the system to improve. This thermal effect on the diamagnetic properties of. A tipsample distance change of about 1 leads to almost an order of. Levitating bearings using superconductor technology.
Simple magnetic levitation train seminar reportpdf ppt download. Master thesis 2011 the islamic university of gaza deanery of graduate studies faculty of engineering electrical engineering department a thesis submitted to the. The answer lies in the properties of typeii superconductors for an applied magnetic field between the two critical fields, bc1 and bc2. An electrodynamic magnetic levitation vehicular system has been modelled and studied. This project is a continuation of work done by paul friend in 2004.
P a g e 1 magnetic levitation train a seminar report submitted in the partial fulfillment of the requirement for the award of the degree of bachelor of technology in electrical engineering by anuj bansal reg. A boundaryfinite element analysis of magnetic levitation. Active magnetic bearing for ultra precision flexible. This method would require a plate of pyrolytic graphite underneath the train which would levitate on the electromagnet train track. The exception comes in case of diamagnetic and superconducting materials and by controlling magnetic field by control method. Design, implementation and control of a magnetic levitation device by ehsan shameli a thesis presented to the university of waterloo in fulfillment of the thesis requirement for the degree of doctor of philosophy in mechanical engineering waterloo, ontario, canada, 2008 ehsan shameli, 2008. Magnetic levitation is the use of magnetic fields to levitate a usually metallic object. Text pdf file nonlinear observer based control of magnetic levitation systems benomair. The interdisciplinary modeling, simulation and control approach 5 is a key component of this research. Modelling, identification and control of a magnetic levitation ce152 this project takes a comprehensive look at model development for a laboratory magnetic levitation with the final aim to design a control system is presented. Magnetic levitation is the process of levitating an object by exploiting magnetic fields. The principle of magnetic levitation is that a vehicle can be suspended and propelled on a guidance track made with magnets.
Magnetic levitation system, masters thesis, technical. Magnetic bearings support the highest speeds of all kinds of bearing and have no maximum relative speed. Experimental investigations of a magnetic levitation. Approach to the design of robust networked control systems. The vehicle on top of the track may be propelled with the help of a linear induction motor. Development of a memsbased magnetic levitation device.
Maglev derived from magnetic levitation uses magnetic levitation to propel vehicles. Jens hillebrand term paper engineering industrial engineering and management publish your bachelors or masters thesis, dissertation, term paper or essay. A thesis submitted in partial fulfillment of the requirements for the. Highspeed rail has been the solution for many countries. The utilization of magnetic forces seems to be the ideal solution in many situations to such a goal. This elaboration is devoted to the cylindrical electromagnets applied for the aml task. Magnetic levitation transportation has many advantages over the conventional trains. This paper documents an investigation into fault tolerant design in three dimensional magnetic levitation systems. A backstepping design of a control system for a magnetic levitation. This thesis is submitted as partial fulfillment of the requirements for the. Limit your results use the links below to filter your search results. Magnetic levitation rail system free pdf file sharing. Multirate ripplefree deadbeat control for nonlinear systems.
Introduction magnetic levitation is becoming widely applicable in magnetic bearings, highspeed ground. The user can directly sense virtual tissues by moving a magnetic stylus in the magnetic field generated by the coil array of our device. The electromagnetic force is used to counteract the effects of gravitation. During the project a levitation system utilising magnetic repulsion was designed, mathematically modelled, simulated in matlab simulink, built in real life and then programmed using c language. Magnetic force is used to counteract the effects of the gravitational and any other accelerations the two primary issues involved in magnetic levitation are lifting force. Magnetic levitation the need for fast and reliable transportation is increasing throughout the world. Earnshaw stated that static arrangements of magnet cannot levitate a body. Then a magnetic bearing is built to demonstrate the efficacy of the proposed sensor.
The magnetic levitation technology can be used as an efficient. Experimenting with maglev models and other magnetic levitation projects is a good way for children to learn about. The kit is easy to assemble, but initial performance of the device is intentionally poor. The simulink model represents the humusoft ce152 magnetic levitation educational presentation scale model. Paulo jose da costa branco examination committee chairperson. Certainly levitation occurs when using typei superconductors but in a typeii, the levitation is particular stable and robust. 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. In this thesis, a novel actuation system based on magnetic levitation is designed, developed and implemented, utilizing a small permanent magnet embedded within the capsule and an arrangement of digitally controlled electromagnets outside the body. Each of the above conditions provides solutions to the problem of magnetic levitation. Acourseonbacksteppingdesigns class slides miroslav krstic ri. Magnetic levitation is a process by which a magnet over a piece of a metal causes electrical current to flow in the metal that, in turn, produce forces that push the magnet upward. Considering results obtained in magnetic levitation and suspension of the symmetrical bodies are designed and developed several experiments of the electromagnetism that demonstrate the effects of a superconductor necessary to the magnetic levitationsuspension.
Controller design for magnetic levitation system ethesis. Download the seminar report for magnetic levitation. Controller design for magnetic levitation system ethesis nit. The common point in all applications is the lack of contact and thus no wear and friction. 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. Power and control system for a high thesis masters deg. Contactless support of objects continues to be a fantasy for several centuries.
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. Earlier we said that for typeii, there is partial penetration of the magnetic field. 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. This page was last edited on 7 september 2019, at 04. File menu of the wincon server, select the option open to load the experiment. Controller design for magnetic levitation system semantic scholar. Thus the problem of magnetic levitation has shifted from being a one dimensional problem as in the case of magnetic suspension, to a three dimensional problem although in this project we are concerned with onedimensional control of the system. The main idea of backstepping control backstepping is a robust extension of the feedback linearization approach for nonlinear. The general discussion is illustrated by experimental results obtained in a laboratory ncs with the magnetic levitation system mls, which is an example of a structurally unstable plant of high dynamics. The maglev project consists of two construction phases. Vasav shethna bee110 tushar shingala bee111 under guidance of. A simulation of magnetic suspension and balance system for wind tunnel graduate program. Thus the magnetic levitation system is inherently unstable without any control action. Many new technologies were discovered with time which led a drastic change in the perception of electric energy.
The focus of this thesis is the feedback technique. Dynamic modeling, timedomain analysis, pi and pid feedback control. Experimental investigations of a magnetic levitation system and the comparison with simulations j. It employs diamagnetism, which is an intrinsic property of many materials referring to their. In experiments, different machining methods are compared. In this process an object is suspended above another with no other support but magnetic fields. A novel magnetic levitation haptic device for augmentation. A backstepping design of a control system for a magnetic. Hyperloop is based on a principle of magnetic levitation. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Due to the lack of mechanical contact, magnetic levitation systems are free of problems caused by friction, wear, sealing and lubrication.
The basic idea is to make a magnet float by holding it up with the repelling force from another magnet. The ball elevation from the post is measured using a sensor embedded in the post. This paper aims at development of non linear dynamic model for. Modeling and control for a magnetic levitation system based.
Magnetic levitation is a highly advanced technology. Pages in category magnetic levitation the following 56 pages are in this category, out of 56 total. Design, implementation and control of a magnetic levitation device. Magnetic levitation is a method by which an object is suspended in air by means of magnetic force. The floating magnet tends to rotate around, flipping itself to attract to the other magnet.
It is reasonable to assume that each of these cars will be independently controlled with the help of a supervisory controller. A novel levitation and propulsion method for maglev trains is also proposed, designed and analyzed. Laser sensors provide noncontacting position feedback and incorporate proprietary conditioning to electronics for signal noise reduction and ambient light rejection. A second electromagnetic coil is used to provide known disturbances. If the force is large enough, the moving magnet can levitated. Feedback with electromagnets can be divided into magnetic suspension and levitation. A maglev train levitates above the ground and is propelled at speeds of up to 300 miles per hour by powerful superconducting electromagnets. Introduction magnetic levitation is becoming widely applicable in magnetic bearings, highspeed ground transportation, vibration isolation, etc. Modelling and design of magnetic levitation systems for vibration. This generates bases to the development of a reactor to impulse and antigravitational magnetic displacement of a vehicle. Mechatronics magnetic levitation control experiments test. The passengers would need to activate a manual release mechanism and then the.
Magnetic levitation trains and conventional trains. In practice, a maglev vehicle will consist of a number of cars which are mechanically coupled to each other. Suitable candidates will be invited for an interview at kitcampus north. All data below are available with an open data commons open database license. This thesis proposes to study the utilization of magnetic levitation for designing acceleration and inclination sensors, simple and sensitive enough to meet the needs of particular applications like the monitoring of civil engineering works. Having enough force to levitate it isnt the problem. Abstract modelling, identification and control of a. Sample error calculation series for a nominal measurement of. All structured data from the file and property namespaces is available under the creative commons cc0 license.
Lohith kumar, isaac ramalla abstract more than 90% worlds power is being generated using electromagnets based on the faradays law of electromagnetic induction. Graduate thesis or dissertation a method for controlling. Maglev monorail proceedings of 22nd irf international conference, 22nd march 2015, pune, india, isbn. There are few main types of the magnetic levitation electromagnetic, electrodynamic, transformation, superconductive and diamagnetic. This kit is based on a lowcost design developed in 4, which uses proportional. When assembled as described, the system exhibits high sensitivity to initial conditions and considerable visible wobble of the object. Analog and labviewbased control of a maglev system with. 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. Maglev research and development began in germany and japan during the early 1970s. The subject of this thesis is the design of a control law for a magnetic levitation system, which in this case is the system 33210. Magnetic levitation of liquid metals journal of fluid. Through the course of this thesis, a new large gap magnetic levitation system was. Design, implementation and control of a magnetic levitation. Magnetic levitation system becomes a hot topic of study due to the minimum friction and low energy consumption which regards as very important issues.
Modeling and nonlinear control of magnetic mafiadoc. We design a novel magnetic levitation haptic device based on electromagnetic principles to enhance the perception of tissue stiffness in a virtual environment. If the magnetic force of attraction is used, it is known as magnetic suspension. Arbitrary finitetime tracking control for magnetic. The central theme of this thesis is the investigation of using permanent magnets in the design of a system for vibration isolation. Thermal influence on the diamagnetic properties of. Click a category and then select a filter for your results. The name maglev is derived from magnetic levitation. All of the control loops, including the current loop, speed loop and position. Apr 10, 2011 magnetic levitation theory and application based on levitation such as train,toy,turbine etc. The goal of the magnetic levitation train maglev project is to develop a small scale magnetic levitation train based on inductrack technology developed by dr. The paper develops the underlying theory for magnetic levitation and presents the results of experiments with classical controllers implemented both as analog circuits and in softwarebased virtual instruments.
The aim of this thesis was to investigate magnetic levitation and to design a working. Hatnotehatnote magnetic levitation, maglev, or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. This paper derives a model for circuit inductance from ne which is free of singularities. Predictive control of the magnetic levitation system using a network based controller. For instance, they are able to levitate a rotating shaft and permit relative motion with very low friction and no mechanical wear. Modeling, simulation and control of dual electromagnet. Hormaz amrolia department of electrical engineering institute of technology, nirma university ahmedabad 382481. Here, we use magnetic levitation principles for biological characterization and monitoring of cells and cellular events. In this thesis, a new large gap magnetic levitation system is designed, developed and successfully tested. In this paper, an arbitrary finitetime tracking control aftc method is developed for magnetic levitation systems with uncertain dynamics and external disturbances.
Neither this thesis nor any part of it has been submitted for any degree or academic. Maglev derived from magnetic levitation uses magnetic. Richard post from lawrence livermore national labs llnl. Magnetic suspension works via the force of attraction between an electromagnet and some object. Msc thesis development of a memsbased magnetic levitation. 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. Active magnetic levitation aml systems have been widely used in magnetic levitation vehicles, wind turbine, medical applications, micro robot actuation and turbomachinery.
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. Files are available under licenses specified on their description page. Abstractlowcost magnetic levitation project kits are used in teaching system design in an introductory undergraduate control systems course. One of the first major applications of magnetic levitation was in supporting airplane. This paper describes a coupled boundary and finite element analysis of electromagnetic, free surface deformation and thermal problems in magnetic levitation systems under both normal and. Magnetic levitation a seminar report submitted in partial fulfillment of the requirements for the degree of bachelor of technology in electrical engineering submitted by. Manipulating magnetic fields and controlling their forces can levitate an object. Magnetic bearings support moving parts without physical contact. The magnetic levitation technology can be used as an efficient technology in. You are free to copy, distribute and use the database. Submitted to the 2004 american control conference 1 lowcost. Magnetic levitation control experiments magnetic levitation set description the description of the maglev setup in this section refers to the mechanicalelectrical part and the control aspect.
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