Browsing OSU Theses by Author "Pagilla, Prabhakar R."
Now showing items 1-15 of 15
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Adaptive Control of Mechanical Systems with Static and Dynamic Friction Compensation
Zhu, Yongliang (2001-12-01) -
Analysis of the Unwind Section of an Industrial Web Processing Line
Pacini, Benjamin Robert (Oklahoma State University, 2011-07-01)The purpose of this thesis is to analyze the control strategies and tension performance of the unwind section of an industrial web processing line that manufactures composite flooring materials. The main elements of the ... -
Automated Wrapping of Silverware in a Napkin
Jeyapalan, Arul Selvam Simon (Oklahoma State University, 2005-12-01)This Study investigates the wrapping of silverware in commercial dishwashing applications. The purpose of this research is to design and implement an automated silverware wrapping device that is capable of automatically ... -
Comparison of Active and Passive Dancers for Periodic Tension Disturbance Attenuation in Web Processing Lines
Kuppuswamy, Seshadri (Oklahoma State University, 2004-12-01)This thesis compares the performance of passive and active dancers in a web process line in the presence of periodic tension disturbances. A sinusoidal disturbance, injected into the web line using an eccentric roller, is ... -
Coordination of Multiple Autonomous Vehicles with Directed Communication Graphs
Konduri, Shyamprasad (Oklahoma State University, 2012-07-01)A considerable amount of research has been conducted on coordination control of vehicle formations in the last few decades due to its possible applications in numerous areas, such as patrolling, search and rescue, vehicle ... -
Decentralized Control of Large-scale Interconnected Systems with Application to Web Processing Machines
Siraskar, Nilesh Babanrao (Oklahoma State University, 2004-12-01)The thesis investigates decentralized control of a class of large-scale nonlinear systems, which contain unmatched, linear and nonlinear interconnections between constituent subsystems. A large experimental platform, which ... -
Frequency Response of Web Systems Containing Load Cells and Dancers, Dimensional Analysis, and Model Reference Adaptive Schemes for Tension Control
Rajaram, Raul Pramod (Oklahoma State University, 2010-07-01)The focus of this study is onunderstanding the behavior of web tension using frequency responseanalysis and design of tension control systems for improvedtension regulation. Two key tension sensing elements, load cellsand ... -
Magnetic Particle Two Dimensional Position Control Using Magnetic Field
Li, Wenjie (Oklahoma State University, 2006-05-01)The goal of this study is to control the position of a small permanent magnetic particle two dimensionally by means of manipulating external magnetic field strength in the vicinity of the particle. The magnetic field is ... -
Optical Response of Doped Zinc Oxide Films
Hildebrand, Daniel Steven (Oklahoma State University, 2012-12-01)Re-doped ZnO thin films were deposited on c-plane and r-plane sapphire substrates using pulsed laser deposition (PLD). The effects of doping ZnO with Re were investigated using X-ray diffraction (XRD), Raman spectroscopy, ... -
Receding Horizon Optimization in Haar Domain for Unconstrained Linear Time-invariant Systems
Khaled Julfiker, Rushd MD (Oklahoma State University, 2013-12-01)The focus of this study is on developing Haar wavelet based Model Predictive Controller (MPC) for linear unconstrained systems. The problem of computation load in MPC has been addressed. By utilizing the structure of the ... -
Resonant Frequencies in Web Lines and Filtering of Web Tension
Diao, Yu (Oklahoma State University, 2008-12-01)A state space system model is proposed to predict the resonant frequencies of an idler system consisting of idler rollers and web spans between two driven rollers. A close match between the experimental results and the ... -
Role of Active Dancers in Tension Controls of Webs
Perera, Lokukaluge Prasad (2001-08-01) -
Silverware Sorting and Orienting System
Peddi, Ravi Vamshidhar (Oklahoma State University, 2005-05-01)This study investigates the sorting and orientation of silverware in commercial dishwashing applications. The purpose of this research was to investigate means to effectively sort and orient mixed silverware, piece by ... -
Traction Modeling and Control of a Differential Drive Mobile Robot to Avoid Wheel Slip
Cobos Torres, Edison Orlando (Oklahoma State University, 2013-12-01)The motion of a differential drive mobile robot with consideration of slip at contact between the wheels and the ground is studied in this work. Traction forces between the wheel and the ground are derived by considering ... -
Using Genetic Algorithms to Optimize Control Lyapunov Functions
Hargrave, Brian K. (Oklahoma State University, 2008-07-01)The problem of simultaneously tuning the control law and the control Lyapunov function (CLF) for nonlinear systems is considered, and a genetic algorithm optimization method is proposed as a general solution. It is shown ...