Index Catalog // ScholarsArchive@OSU

Monte Carlo Tree Search with Fixed and Adaptive Abstractions

Creator:: Hostetler, Jesse A.
Abstract:: Monte Carlo tree search (MCTS) is a class of online planning algorithms for Markov decision processes (MDPs) and related models that has found success in challenging applications. In the online planning approach, the agent makes a decision in the current state by performing a limited forward search over possible futures...
Resource Type:: Dissertation
Full Text:: to abstraction α = 〈χ, µ〉 is given by Jα(h) = max a∈A Q∗(h, a)−Q∗(h, ↓π∗(h)). (3.9) 17 We now

Location Privacy Preservation for Optimal Sensing in Cognitive Radio Networks

Creator:: Grissa, Mohamed
Abstract:: Cognitive Radio Networks (CRNs) enable opportunistic access to the licensed channel resources by allowing unlicensed users to exploit vacant channel opportunities. One effective technique through which unlicensed users, often referred to as Secondary Users (SUs), acquire whether a channel is vacant is cooperative spectrum sensing. Despite its effectiveness in enabling...
Resource Type:: Masters Thesis
Full Text:: Profes sor Maggie Niess, Professor Lizhong Chen and Professor J. Eduardo Cotilla-Sanchez, for

A methodology to reduce the strain on hydro turbines using advanced life extending control of multiple energy storage systems

Creator:: Brosig, Sean G.
Abstract:: Over the last 20 years, there has been rapid growth in the amount of installed wind power in the Pacific Northwest, specifically in the Columbia River Gorge. The variable and non-dispatchable nature of this resource requires that it be balanced in some form by other sources on the grid. In...
Resource Type:: Masters Thesis

Electric Machine Capability Characterization for Actuators in Disaster Response Robots

Creator:: Li, Qianyun
Abstract:: Disaster response robots need to be simultaneously able to survive extreme environment and complete the mission efficiently and robustly. One of the determinants is the performance of the actuators in each joint, which drive the robot to the desired motion accurately. In robotics society, people usually build their robots directly...
Resource Type:: Masters Thesis
Full Text:: . Eduardo Cotilla-Sanchez, and Dr. Annette von Jouanne, as well as every fellow student for always

Sliding Mode Control of Oscillating Water Column Wave Energy Converters

Creator:: Brown, Danielle R.
Abstract:: This thesis concerns the development of a direct torque control strategy using a sliding mode control approach to optimize the power output of an oscillating water column (OWC) wave energy converter (WEC). The OWC WEC is a device that has a submerged vertical tail tube open at both ends, which...
Resource Type:: Masters Thesis
Full Text:: Ibi = −( N∑ j=1 (A∞bibj z̈bj +A ∞ bipj z̈pj )) (2.7) F Ipi = −( N∑ j=1 (A∞pibj z̈bj +A ∞ pipj z̈pj

Evaluating complex engineered systems using complex network representations

Creator:: Haley, Brandon M.
Abstract:: This thesis is the combination of two research publications working toward a unified strategy in which to represent complex engineered systems as complex networks. Current engineered system modeling techniques segment large complex models into multiple groups to be simulated independently. These methods restrict the evaluations of such complex systems as...
Resource Type:: Masters Thesis

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

Using the Rotorwash of a Quadcopter Drone to Remove Dust from a Solar Panel

Creator:: Holman, Samantha K.
Abstract:: The electrical output of solar panels is reduced when dust covers the panels, but the air movement produced by a flying drone can be used to remove this debris. This research project will study the effectiveness of a quadcopter drone in dusting a solar panel. A solar panel was covered...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Eduardo Cotilla-Sanchez, Committee Member, representing the School of Electrical and Computer

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

Experimentation of Synchronous and Variable Speed Small Scale Hydropower Systems

Creator:: Jackson, Elliott C.
Abstract:: Hydropower is the one of the oldest renewable energy technologies and is wrongly thought of today as having little room to grow. The opportunity for new hydropower capacity is immense through both technology advancement and run-of-river new stream reach projects. Despite the age of hydropower, a divide in opinion is...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Monte Carlo Tree Search with Fixed and Adaptive Abstractions

Location Privacy Preservation for Optimal Sensing in Cognitive Radio Networks

A methodology to reduce the strain on hydro turbines using advanced life extending control of multiple energy storage systems

Electric Machine Capability Characterization for Actuators in Disaster Response Robots

Sliding Mode Control of Oscillating Water Column Wave Energy Converters

Evaluating complex engineered systems using complex network representations

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

Using the Rotorwash of a Quadcopter Drone to Remove Dust from a Solar Panel

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

Experimentation of Synchronous and Variable Speed Small Scale Hydropower Systems

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