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February 28, 2022 (v1) Thesis Open Access

Assessment & Improvement of voltage stability with Coordinated Control of Harmonic Distortion using Optimal Placed Distributed Generation Unit

Ebe Mekonen

Voltage stability problem results significant challenge in distribution networks. Voltage stability can be improved using optimal placed distributed generation (DG) in distribution networks. However, the installation of inverter-based DG can increase level of harmonics, which could exceed the...

Uploaded on March 28, 2023

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February 15, 2022 (v1) Thesis Open Access

Adaptive Second Order Sliding Mode Controller for 2-DOF Serial Flexible Link

Elias Damite

Flexible link manipulator system dynamics and control has become a key research area by many researchers around the globe due to many benefits it affords like low weight, low power consumption leading to low universal cost. However, because of the inherent link flexibility they go through...

Uploaded on March 28, 2023

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March 3, 2022 (v1) Thesis Open Access

A Study on Properties of conrete Using Recycled Plastic As A Partial Replacement of Fine Aggregate At Different Tempratures

Mahlet Shmeket

In order to make concrete industry suitable, the use of waste materials in place of natural resources is one of the best approaches. Therefore this study is in response to determine the appropriate proportion of recycled waste plastic fine aggregate (PET type plastic) in the concrete mix design...

Uploaded on March 28, 2023

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March 8, 2022 (v1) Thesis Open Access

A Study on Thermal comfort conditions of Condominium Building in Addis Ababa City

Alemtsehay Tirfe

Indoor environmental quality has a significant impact on people's health, productivity, and psychology, so having a pleasant indoor temperature was, and still one of the most remarkable things that people concern about in buildings. Large variation exists in indoor thermal comfort according to...

Uploaded on March 28, 2023

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February 28, 2022 (v1) Thesis Open Access

A power quality improvement using unified power quality conditioner in Distribution system A case study : National Tobacco Enterprise

Fisseha Kidanemariam

Sagging and swelling of line voltages and harmonics distortion of source currents are two major concerns of power quality (PQ) problems. These problems have been seen due to the electronic loads i.e. nonlinear loads. This thesis presents an improvement of power quality through the unified power...

Uploaded on March 28, 2023

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February 24, 2022 (v1) Thesis Open Access

A Numerical study on Behavior of GFrp Reinforced Edge & Corner flat slab –column connection under combined Gravity & Lateral Loads

Girum Alem

Flat slabs directly supported by columns without supporting beams are very common due to their cost-effectiveness and ease of construction. Research for the last two decades showed that glass fiber reinforced polymer (GFRP) bars can be used as an alternative reinforcement in place of steel bars...

Uploaded on March 28, 2023

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February 21, 2022 (v1) Thesis Open Access

A Mixture of Corncob ash and Sawdust Used as a stabilizer of Expansive Soil.

Eyob Yirga

his research work is aimed at to check whether a waste from agricultural products i.e. corncob ash and sawdust can be used as stabilizing material for expansive soils or not. The performance of a mixture of corncob ash and sawdust was evaluated based on laboratory test results on expansive soil...

Uploaded on March 28, 2023

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February 10, 2022 (v1) Thesis Open Access

A Hybrid Diabetes prediction model based on Global & local learner Algorithms

Derara Duba

Diabetes mellitus (DM) is a severe chronic disease that affects human health and has a high prevalence worldwide. Research has shown that half of the diabetic people throughout the world are unaware that they have the DM and its complications are increasing, which presents the new research...

Uploaded on March 28, 2023

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March 10, 2022 (v1) Thesis Open Access

A Framework for Software Security Testing Improvement for Web Based Applications

Samrawit Yimer Aynalem

A Web-based application is the most significant platform to promote business. People use it for different reasons whether to pay for school or to reserve a hotel. There are many vulnerabilities of a web-based application that are reported every day. Despite these vulnerabilities, there is a huge...

Uploaded on March 28, 2023

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March 8, 2022 (v1) Thesis Open Access

A Computational Fluid Dynamics Based Investigation on the Configurations of a Fixed Bed Solar Pepper Drye

Abrham Guanche

Drying is a complex post-harvesting process that combined the science of both heat and mass transfers. Fixed bed indirect solar product dryers used renewable resources and have been widely applied for the drying of fruits and vegetables. Vegetables like red pepper are an important source of...

Uploaded on March 28, 2023

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