M.Sc.

Medical electrical measurements utilizing the dielectric properties of blood samples.

Abstract: The designing of blood glucose instrument needs to have a sensor that has a high sensitivity to variation in glucose level in blood, the instruments were designed and developed through years to implement a high accuracy and a harmless instruments that could be used by the patient without difficulties and gives a good reading for the amount of glucose concentration in blood. This work gives a new design for blood glucose instrument that depends in its work on the electrical properties of blood.

English

Spectral analysis for non-sinusoidal PWM with variable switching frequency for harmonic reduction in inverters

Abstract: Pulse Width Modulation (PWM) is a very commonly used method in DC/AC conversion. Actually, any stream of pulses that have a high fundamental component can be assumed as PWM strategy. The most compatible technique of PWM for the use with variable speed control of induction motor is the Carrier Based PWM (CB-PWM). They are divided into two groups, Continuous PWM (CPWM) and Discontinuous PWM (DPWM). They all can be implemented using triangle intersection method and most of them can be implemented using direct digital method.

English