Index Catalog // ScholarsArchive@OSU

Target-based coverage extension of 802.11 MANETs via constrained UAV mobility

Creator:: Johnson, Taylor N.
Abstract:: MANETs are known to be useful in situations where mobile nodes need to communicate and coordinate in dynamic environments with no access to fixed network infrastructure. However, connectivity problems can occur when sub-groups within a MANET move out of communication range from one another. The increasingly prolific use of UAVs...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Taylor N. Johnson for the

Stabilizing control strategies for the doubly-excited machine

Creator:: Permantier, Gerald A.
Abstract:: Mathematical models for the doubly-fed machine are presented. The properties of the machine with rotor excitation as supplied by a power converter with voltage source character are reviewed. The peculiar torque-speed characteristic of the machine in this operating mode and its effect on the stability of the machine are presented....
Resource Type:: Masters Thesis
Full Text:: vdl j vql 1 = i dl + 1ql I =i +ji 2 d2 1q2 and define the voltage induced on the stator as

A Fully Integrated Bio-potential Low-noise Amplifier Utilizing Capacitor Multipliers

Creator:: Yong, OnnLim
Abstract:: In any biomedical signal acquisition system, a front-end amplifier is needed to amplify low amplitude bio-signals while filtering out any unwanted low-frequency artifacts. The design of low frequency poles within the sub-Hz range implies very large time-constants which goes against system integrability. In recent years, the pseudo resistor has been...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ David J. Allstot In any biomedical signal acquisition system, a front-end amplifier is

Optimal control of an induction motor

Creator:: Yarimbiyik, Bulent
Abstract:: With the development of converters and inverters, it became possible to control the stator current of an induction motor. The differential equations which describe transient behavior of the induction motor are conveniently expressed by transforming the stator and rotor variables to d-q axes rotating at synchronous speed. The transient behavior...
Resource Type:: Masters Thesis
Full Text:: for Privacy /17 W. J. Kolodziej With the development of converters and inverters, it became

Design of high-performance operational amplifiers using an embedded compensation technique

Creator:: Ziazadeh, Ramsin M.
Resource Type:: Masters Thesis
Full Text:: approved: David J. Allstot A novel frequency compensation method facilitates the design of multi-stage

Enhancing Resolution and Scalability of Power Grid Reliability Algorithms

Creator:: Lassetter, Austin R.
Abstract:: This Thesis aims to determine whether we can improve the accuracy, resolution, and speed of calculations for common power system problems using simple computational models that scale well to machine learning and high performance computing solutions. The second chapter of this Thesis implements more precise aging and degradation models for...
Resource Type:: Masters Thesis
Full Text:: , J., Using Critical Slowing Down Features To Enhance Performance of Artificial Neural Networks for

Predictive control using feedback- : a case study of an inverted pendulum

Creator:: Barrett, Spencer Brown
Abstract:: Vision is a flexible, non-contact sensor that can be used for position feedback in closed-loop control of dynamic systems. Current vision systems for industrial automation provide low sample rates and large sample delays relative to other types of position sensors. Poor sample rates and sample delays are a result of...
Resource Type:: Masters Thesis
Full Text:: kilograms/second J moment of inertia kilograms *meters2 w/respect to the center of gravity H(t) horizontal

A study of the temperature dependence of the DC current-voltage characteristics of AlGaAs/GaAs heterojunction bipolar transistors with application to bandgap voltage reference sources

Creator:: Gazeley, William G.
Abstract:: The bandgap voltage reference technique, as implemented in Silicon technology, has evolved to a state of advanced development and become the method of choice for temperature independent voltage biasing in integrated circuits. The heterojunction bipolar transistor (HBT), fabricated from epitaxial A1GaAs /GaAs, is developing to a point where basic circuit...
Resource Type:: Masters Thesis
Full Text:: Transistors with Application to Bandgap Voltage Reference Sources. Abstract approved: david J. Allstot The

Development of Machine Learning Tools for Increased Reliability of the Electrical Grid

Creator:: Dieter, Keaton J.
Abstract:: The electrical grid serves as one of the major lifelines to our society. We have come to expect electricity to be available when we want it. But the system that delivers power to us is very complex and made up of many individual pieces. Maintaining and operating this system reliably...
Resource Type:: Masters Thesis
Full Text:: rest of this chapter, an inter-PMU correlation is represented by Xt,i,j where t is the correlation

Fundamental studies of atomic diffusion by computer simulation of atomic processes on the giga event scale and multiple PC's in parallel

Creator:: Zhang, Qiongshan
Abstract:: The classic treatment of diffusion by Einstein and by Chandrasekhar assumed conservative boundary conditions; mobile species were neither created nor destroyed on the sample surface. It is normal to assume that vacancies and host interstitials are created and annihilated on incoherent interfaces or free surfaces; i.e., these are assumed to...
Resource Type:: Masters Thesis
Full Text:: research fruitful. Special thanks also go to Professor W. Kolodziej and Professor J. R. Arthur for being

ScholarsArchive@OSU

Target-based coverage extension of 802.11 MANETs via constrained UAV mobility

Stabilizing control strategies for the doubly-excited machine

A Fully Integrated Bio-potential Low-noise Amplifier Utilizing Capacitor Multipliers

Optimal control of an induction motor

Design of high-performance operational amplifiers using an embedded compensation technique

Enhancing Resolution and Scalability of Power Grid Reliability Algorithms

Predictive control using feedback- : a case study of an inverted pendulum

A study of the temperature dependence of the DC current-voltage characteristics of AlGaAs/GaAs heterojunction bipolar transistors with application to bandgap voltage reference sources

Development of Machine Learning Tools for Increased Reliability of the Electrical Grid

Fundamental studies of atomic diffusion by computer simulation of atomic processes on the giga event scale and multiple PC's in parallel

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