Electromagnetic Levitator

Chau, Man Siang (2011) Electromagnetic Levitator. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project is about the design of the control switch of magnetic controlled components. It deals with the knowledge of electromagnetism together with the control switching application. It is a method of supporting objects which is based on the physical property of the force between two magnetized bodies. This principle is used in electromagnetic levitator to levitate metallic object by generate a controlled magnetic force. Based on this principle, this project is designed by comprised of sensors, current control circuit and amplifier to regulate current. The sensors are used to detect the position of levitated object whether the object is closed to the electromagnet or far away from it. The top surface of the object should be in line with the sensors. The sensor will generate output signal to the PIC16F877A for processing in order to switch the current that pass through the electromagnet. The amplifier amplifies the PIC output signal to enhance the ability of the electromagnet to levitate heavier objects. This technique is the principle of the technology used by the maglev trains. These trains will float over a guide way and travel up to 300 miles per hour by using the basic principles of magnets to replace the old steel wheel and track trains.

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