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Filtering by: Academic Affiliation Electrical Engineering and Computer Science Remove constraint Academic Affiliation: Electrical Engineering and Computer Science Committee Member Cotilla-Sanchez, Eduardo Remove constraint Committee Member: Cotilla-Sanchez, Eduardo Date 2016 Remove constraint Date: 2016

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PAPR Reduction of Optical OFDM Systems with Exponential Companding Transform and Zero Padding

Creator:

Chen, Deyan

Abstract:

Optical wireless communication (OWC) is an alternative to radio frequency (RF)communication with a signi cantly larger and unregulated spectrum. In OWC systems, optical orthogonal frequency division multiplexing (O-OFDM) with intensity modulation and direct detection (IM/DD) is commonly used. There are two common signal structures in most OWC systems based on...

Resource Type:

Masters Thesis
Development and Experimental Hardware Validation of Novel Variable Speed Hydropower Control Schemes for Emerging Applications and Water Resource Paradigms

Creator:

Starrett, Michael A.

Abstract:

Recent opportunities for new hydropower generation in the United States have often been in non-powered dams and run-of-river type flows occurring in low-impact natural areas and unregulated conduits. At the same time, a changing water resource paradigm is challenging some existing generation in drought stricken areas where supply reservoirs behind...

Resource Type:

Dissertation
Finite Element Analysis Modeling and Experimental Verification of Reflected Wave Phenomena in Variable Speed Machine Drive Cables

Creator:

Louie, Alex

Abstract:

Modern variable speed machine drive (VSMD) systems are used for a variety of purposes including generation, propulsion, pumps and compressors. They employ high switching frequency power electronics to drive the electric machine. The machine is subject to large voltage overshoot if long power cables, are used, called Reflected Wave Phenomena...

Resource Type:

Masters Thesis
Determining The Impact of Photovoltaic Generation on Power Systems

Creator:

AL-Anazi, Falah

Abstract:

The National Conference of State Legislatures NCSL declares that 29 states have been active in adopting and increasing renewable portfolio standards. Present renewable portfolio standards require utilities to increase integration of renewable energy sources such as photovoltaic (PV). The increased penetration of PV systems is expected to destabilize the power...

Resource Type:

Masters Thesis
Exploring security metrics for electric grid infrastructure leveraging attack graphs

Creator:

Patapanchala, Panini Sai

Abstract:

Electric grid is a critical cyber-physical infrastructure that serves as lifeline for modern society. With the increasing trend of cyber-attacks, electric grid security has become a significant concern. Electric grid operators are working hard to reduce the risk of these attacks towards the system. Having security metrics for monitoring the...

Resource Type:

Masters Thesis
Comparison of Direct Drive Hydraulic and Dual-Stator Spoke Array Vernier Permanent Magnet Machines For Ocean Wave Energy Conversion

Creator:

Azam, Ridwan

Abstract:

Recently, there has been peaked interest in developing high energy producing and optimized power take-off topologies for Wave Energy Converters (WEC). As large as the potential of the oceans may seem, harnessing that energy and effectively converting it to electricity in significant amounts is a challenge. Currently, there are no...

Resource Type:

Masters Thesis
Energy-Efficient Resource Management Techniques for Cloud Data Centers

Creator:

Dabbagh, Mehiar

Abstract:

Energy consumption has become a great deal for cloud service providers due to financial as well as environmental concerns. Studies show that cloud servers operate, most of the time, at only between 10% and 50% of their maximal utilizations. These same studies also show that servers that are kept ON...

Resource Type:

Dissertation

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Academic Affiliation

Electrical Engineering and Computer Science[remove]7

Advisor

Brekken, Ted K. A.3
Bobba, Rakesh1
Hamdaoui, Bechir1
Liu, Huaping1
von Jouanne, Annette R.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2016 to 2017

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Committee Member

Cotilla-Sanchez, Eduardo[remove]7
von Jouanne, Annette2
Altay Yavuz, Attila1
Bose, Bella1
Eseonu, Chinweike1
more Committee Members »

Creator

Al Anazi, Falah1
Azam, Ridwan1
Chen, Deyan1
Dabbagh, Mehiar1
Louie, Alex1
more Creators »

Date

2016[remove]7

Decade

2010-20197

Degree Field

Electrical and Computer Engineering6
Computer Science1

Degree Level

Master's5
Doctoral2

Degree Name

Master of Science (M.S.)5
Doctor of Philosophy (Ph.D.)2

Language

English [eng]7

License

All rights reserved7

Non-Academic Affiliation

Oregon State University. Graduate School7

Peer Reviewed

No7

Resource Type

Masters Thesis5
Dissertation2

Rights Statement

In Copyright7

Subject

Cloud computing -- Energy conservation1
Cloud computing -- Management1
Cooperating objects (Computer systems) -- Risk assessment1
Cooperating objects (Computer systems) -- Security measures1
Electric cables1
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