Browsing by Author "Barawar Khan, Muhammad"

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    Design, fabrication and control of single actuator magnetic levitation system using PID controller
    (University of Management and Technology, 2014) Qamar Shahzad; Bilal Khalid; Barawar Khan, Muhammad
    This report demonstrates the making of a magnetic levitation system and a crane structure.Maglev is seeking high intentions because of it low friction losses and low energy consumption. There are number of applications of this technology including high speed rail transportation system. Closed loop system and the magnetism are the two main keys or secrets of a floating object in the air. The technique is merely based on numerical approach. In the magnetic levitation system the magnetic field is used to levitate an object in air at desired height. In the past, permanent magnets were used for this purpose and found that it is quite difficult to do that with permanent magnets because the there is no control of magnetic field in this case, either it becomes too strong or too weak. But for magnetic levitation we need a controlled field depending upon the weight and height or position of the levitating object. Ferromagnetic material is used in our object because it has high permeability. The design is made by using aexisting components in market; the electromagnet is capable of lifting a object from a set distance and levitate it in air by controlling the current of coil through the controller.