College of Engineering

Abstract: Optical code division multiple access (OCDMA) is used recently as access method in optical fiber networks without the need for traffic management or system synchronization. It takes advantage of the sporadic use of channels by allowing many users to be simultaneously connected to the network. Among OCDMA systems, frequency-encoded optical code division multiple access (FE-OCDMA) deserves close attention because it solves many obstacles which appear in conventional OCDMA systems such as multiple access interference (MAI). In this work, an incoherent FE-OCDMA systems are modeled.

Abstract: In this thesis, the various aspects related to controlling induction motors are investigated. Different control strategies are explored. The direct torque control (DTC) strategy is studied in details and its relation to space vector modulation (SVM) is emphasized. A SVM-based DTC strategy is suggested and a controller design which is based on the strategy is presented. A Simulink model representing the controller is developed and verified through this of MATLAB work.

Abstract: The introduction of GPS (Global Positioning System) in modern guidance system has revolutionized the world of navigation in land, sea, air and even in space. This work deals with one of the most familiar implementations of GPS which is determining the direction of a moving object with respect to a reference point, determining the distance between this object and that point, with the ability of displaying the motion on a corresponding map. This project is done by making an interaction between the hardware and software parts.