Problems due to mechanical position sensor of Permanent Magnet Synchronous Motor during speed control are alleviated by an observer for estimating instantaneous speed and position of the rotor. This needs a high performance ...

There is a clear communication gap between the deaf and hearing community. To bridge this gap, one possible solution is to teach the hearing community to use sign languages. However, a better solution is to develop a ...

In this study it has been intended to develop operation modeling for Tendaho reservoir using HEC-ResSim software. The input data considered for the model are daily inflow, monthly irrigation and environmental diversion ...

This thesis concerned with optimization of simply supported prestresed concrete box girder bridge. Usually, the design of prestressed concrete bridges is done based on codes on prestressed concrete bridges. The code ...

Integrating distributed generation (DG) to an existing distribution system delivers various profits for both utility and end users. Distributed generation provides a means to beat incremental increase in energy demand, to ...

This thesis presents an optimal power generation expansion planning model that considers the growth of fuel prices and its fluctuation, power risks, benefits of carbon-trading in generation expansion decision. The developed ...

Traffic congestion is a critical problem in Addis Ababa Ethiopia due to the fast growing economy, car ownership and population in the country. The road improvement practices also contribute to the reduction in roadway ...

The demand projection in Ethiopia divulges that the domestic demands for essential oils are substantially increasing with time. This increasing demand of essential oil, such as ginger oil has opened up wide opportunities ...

Water supply distribution systems estimated to account of 80 to 85% of the total cost for the whole Water supply project (International Journal of Mechanical Engineering and Technology, 2014), that include source ...

Leather industry fleshing wastes have been currently recognized as potential feed stocks for biodiesel production due to high fat content and less competition with food production. Moreover, utilization of industrial wastes ...