Index Catalog // ScholarsArchive@OSU

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
Full Text:: skills under their direction. I would also like to thank Dr. Eduardo Cotilla-Sanchez and Dr. Ted Brekken

Design and Implementation of a Frequency Controlled Electric Hot Water Heater Retrofit Thermostat

Creator:: Johanesen, Mackenzie S.
Abstract:: This design of a Grid Friendly Electric Hot Water Heater Thermostat was built for the Electrical and Computer Engineering Senior Design course, ECE44x. The design enables hot water heaters to respond to imbalances in the grid seen through deviations from standard grid frequency by varying the power output to the...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ J. Eduardo Cotilla-Sanchez, Committee Member, representing Electrical and Computer Engineering

Development of a Hybrid Simulation for an Ocean Wave Energy Converter

Creator:: Harris, Jesse
Abstract:: Ocean Wave Energy Converters (WECs) are of interest around the globe as global economies begin to shift their interest to renewable forms of energy. However, the devices are costly to construct–a quality that can be relieved through proper modeling, control, and implementation. This paper presents the numerical and hybrid simulation...
Resource Type:: Masters Thesis
Full Text:: 21.3 m 5.5 m 6.5 m = 2.8 m = 5 m floater / buoy b p pat pc z z rotor guide vanes Ω

Low Frequency Oscillation Reduction Algorithm for Six-step Operation of Three-Phase Inverters

Creator:: Ke, Ziwei
Abstract:: A power inverter, or inverter, is an electronic device or circuitry that converts direct currents (DC) to alternating currents (AC) in the power electronics family. A three-phase inverter converts DC current to three-phase AC current. Inverters, especially three-phase inverters, have been widely used in many fields including renewable energy applications...
Resource Type:: Masters Thesis
Full Text:: direction. I would also like to thank Dr. Eduardo Cotilla-Sanchez, Dr. Ted Brekken and Dr. Annette von

Development of an Integrated Generator Power Take-of Strategy using Model Predictive Control (MPC) for Ocean Wave Energy Conversion

Creator:: Sundaram, Srinivasan Subhash
Abstract:: Model Predictive Control (MPC) has previously been investigated on ocean waveenergy converters (WEC) to improve the amount of power captured, while respectingthe system constraints. Previous research done in the same area, focused onbuilding a control scheme by using the knowledge of the past & current statesof the system and predicting...
Resource Type:: Masters Thesis
Full Text:: with Dehlsen . Also a huge thank you to my committee members Dr. Janet Tate, Dr. Eduardo Sanchez and

Secure Data Analytics under Data Integrity Attacks

Creator:: De Silva, Shashini A.
Abstract:: There has been tremendous growth in using data analytic and machine learning algorithms to make critical decisions, such as in the national power grid, healthcare operations, and autonomous vehicles. Employing data analytic for decision-making allows cyber attackers to manipulate the decisions of these algorithms through data falsification. Hence, the trustworthiness...
Resource Type:: Dissertation
Full Text:: -Sanchez and Prof. Raviv Raich, for serv- ing in my graduate committee and their consistent mentorship and

Design and Simulation of Nonlinear Control Strategies for Heaving Point Wave Energy Converters in WEC-Sim

Creator:: Glennon, David N.
Abstract:: As the sources of our electricity shift from centralized and carbon emitting, to a portfolio of distributed, clean-energy sources, the wave energy converter (WEC) has become a topic of exploration and development for providing coastal communities electric power. Part of this trend has included an effort to create open source...
Resource Type:: Masters Thesis
Full Text:: members, Dr. Eduardo Cotilla-Sanchez and Dr. Bret Bosma for all your help in my learning over the past

Grid Voltage Frequency Estimation Using an Adaptive Complex Master-Slave Unscented Kalman Filter

Creator:: Muñoz Constantine, Juan Pablo
Abstract:: Due to the popularity of electronically controlled loads and the widespread use of alternative energy sources such as wind turbines and solar cells, the power quality at the distribution level must be carefully monitored. One of the many different means to monitor power quality is through frequency measurements. Nonlinearities cause...
Resource Type:: Masters Thesis
Full Text:: , )   k k k k y z v k N v N R (2.1) where 1 cos( ) 1,2,3,... 2 and

Impacts of Prediction on Wave Energy Converter Control

Creator:: Comard, Colin Q.
Abstract:: Ocean waves provide a promising source of renewable energy for the North American electric grid. However, ideal control of wave energy converters (WECs) requires perfect forecasting of future wave conditions, and waves can be unpredictable. This paper presents a comparison of three different prediction methods and analyzes their performance in...
Resource Type:: Masters Thesis
Full Text:: for Energy Systems: Dr. Eduardo Cotilla-Sanchez, Dr. Julia Zhang, and recently, Dr. Yue Cao. Each of

One-to-many node disjoint paths routing in generalized hypercube, dense Gaussian, and hexagonal mesh networks

Creator:: Alsaleh, Omar I.
Abstract:: Routing from a single source node to multiple destination nodes using node disjoint paths (NDP) has many important applications in parallel systems. For example, if a source node wants to send distinct messages to distinct destination nodes, then the one-to-many NDP routing is useful. Unlike parallel systems with shared-memory, each...
Resource Type:: Dissertation
Full Text:: Cotilla- Sanchez, and Dr. Harold Parks) for cutting from their valuable time to serve in my committee

ScholarsArchive@OSU

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

Design and Implementation of a Frequency Controlled Electric Hot Water Heater Retrofit Thermostat

Development of a Hybrid Simulation for an Ocean Wave Energy Converter

Low Frequency Oscillation Reduction Algorithm for Six-step Operation of Three-Phase Inverters

Development of an Integrated Generator Power Take-of Strategy using Model Predictive Control (MPC) for Ocean Wave Energy Conversion

Secure Data Analytics under Data Integrity Attacks

Design and Simulation of Nonlinear Control Strategies for Heaving Point Wave Energy Converters in WEC-Sim

Grid Voltage Frequency Estimation Using an Adaptive Complex Master-Slave Unscented Kalman Filter

Impacts of Prediction on Wave Energy Converter Control

One-to-many node disjoint paths routing in generalized hypercube, dense Gaussian, and hexagonal mesh networks

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