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Sub-Synchronous Control Interaction – Modeling And Detection, Farshid Salehi
Sub-Synchronous Control Interaction – Modeling And Detection, Farshid Salehi
Electrical Engineering Dissertations
Power systems have recently become more susceptible to Sub-Synchronous Control Interaction (SSCI) due to the increasing penetration of renewable generation resources and series compensated lines. Any contingency which results in a radial condition between renewable generation resources and near-by series compensated lines might trigger an undamped SSCI oscillation. This is a purely electrical phenomenon which has potential to grow rapidly. Undamped SSCI oscillation can cause serious damage to the renewable generation resources and transmission elements and consequently leads to cascading outages. Due to the importance of the phenomena and its potential impacts, this research has focused on two aspects of …
Deep Learning Based Fast Mode Decision In Hevc Intra Prediction Using Region Wise Feature Classification, Shiba Prasad Kuanar
Deep Learning Based Fast Mode Decision In Hevc Intra Prediction Using Region Wise Feature Classification, Shiba Prasad Kuanar
Electrical Engineering Dissertations
The High Efficiency Video Coding (HEVC) standard has achieved best coding efficiency as compared to previous H.264/AVC standard. But the computational time of HEVC encoder has increased mainly because of the hierarchical quad-tree based structure, recursive search for finding the best coding units, and the exhaustive prediction search up-to 35 modes. These advances improve the coding efficiency, but result into a very high computational complexity. Furthermore selecting the optimal modes among all prediction modes are necessary for the subsequent rate distortion optimization process.Therefore we propose a convolutional neural network (CNN) based algorithm which learns the region wise image features and …
Lifepo4 Batteries: Impact Of Highly Parallel Packs On Load Distribution And Cycle Life, Caroline Storm Westenhover
Lifepo4 Batteries: Impact Of Highly Parallel Packs On Load Distribution And Cycle Life, Caroline Storm Westenhover
Electrical Engineering Dissertations
The United States Navy is considering Li-ion batteries for use as a primary power source for future naval shipboard pulsed-power applications. To supply sufficient power to a load, electrochemical cells are connected in series and parallel to create a higher voltage and higher capacity battery. The simplest way of connecting multiple cells in parallel is to tie all positive terminals together, all negative terminals together, and then electrically treat the array of cells as a single cell within the larger battery. In this configuration, a single battery management system (BMS) can be used to manage N parallel cells but there …
Bio-Inspired Adaptive Tuning Of Human-Robot Interfaces, Bakur Alqaudi
Bio-Inspired Adaptive Tuning Of Human-Robot Interfaces, Bakur Alqaudi
Electrical Engineering Dissertations
Motivated by recent advancement in neurocognitive in brain modeling research, multiple model-based Q-learning structures are proposed for optimal tracking problem of time-varying discrete-time systems. This is achieved by utilizing a multiple-model scheme combined with adaptive resonance theory (ART), and dopamine-like model. In the ART algorithm , dopamine-like model and generates sub-models based on the match-based clustering method utilizing. A responsibility signal governs the likelihood of contribution of each sub-model to the Q-function. The Q-function is learned using the batch least-square algorithm. Simulation results are added to show the performance and the effectiveness of the overall proposed control method. A novel …
Design And Fabrication Of Self-Packaged, Flexible Mems Accelerometer And Aluminum Nitride Tactile Sensors, Md Sohel Mahmood
Design And Fabrication Of Self-Packaged, Flexible Mems Accelerometer And Aluminum Nitride Tactile Sensors, Md Sohel Mahmood
Electrical Engineering Dissertations
The work presented in this dissertation describes the design, fabrication and characterization of a Micro Electro Mechanical System (MEMS) capacitive accelerometer on a flexible substrate. To facilitate the bending of the accelerometers and make them mountable on a curved surface, polyimide was used as a flexible substrate. Considering its high glass transition temperature and low thermal expansion coefficient, PI5878G was chosen as the underlying flexible substrate. Three different sizes of accelerometers were designed in CoventorWare® software which utilizes Finite Element Method (FEM) to numerically perform various analyses. Capacitance simulation under acceleration, modal analysis, stress and pull-in study were performed in …
Devices To Study Cancer Cell Behavior, Mohammad G. Abdallah
Devices To Study Cancer Cell Behavior, Mohammad G. Abdallah
Electrical Engineering Dissertations
Cancer is a major health concern that effects millions of people worldwide. The main contributing factor to the deadliness of the disease is cancer metastasis, where the cancer cells break away from the primary tumor site, transmigrate through the endothelium, and form secondary tumors in distant areas. Many studies have identified links between the mechanical properties of the cellular microenvironment and the behavior of cancer cells. Also, nanobiotechnology and bioMEMS have had a tremendous impact on biosensing in the areas of cancer cell detection and therapeutics, disease diagnostics, and DNA analysis. Most current technologies enable observation of only the population-level …
Application Of The Research Process For The Development Of A Microgrid Modular Design For Tribal Healthcare Facilities In The Navajo Nation: Kayenta Health Center Used As A Subject Study For Experimental Data, Samuel Vega-Cotto
Electrical Engineering Dissertations
There exist significant challenges and opportunities for improvement the power system of healthcare facilities for American Indian and Alaska natives. This Dissertation establishes plans and methodology to include the research process in the power system design utilizing Kayenta health center, which is located in the Navajo nation, as a subject study. Information about the solar irradiance on site, the PV system performance, the power quality and the power system load demand at the facility as well as observation of the related equipment is gathered. The Dissertation describes a seasonal experimental process related to a 100KW PV system case study at …
Nanopore Biosensors For Molecular Detection And Analysis, Muhammad Usman Raza
Nanopore Biosensors For Molecular Detection And Analysis, Muhammad Usman Raza
Electrical Engineering Dissertations
Nanoscale fabrication techniques have led the march towards a new class of biosensors that were not possible to build in the past due to technological limitations. These molecular nanosensors can have biochemical, electromagnetic, acoustic, optical or electrophoretic detection modalities. One of these nanosensors, is solid state nanopores which use resistive pulse sensing in nanometer apertures in thin dielectric membranes. Solid state nanopores have been fabricated using cutting edge fabrication techniques to detect and analyze nanoscale biomolecules such as DNA, proteins, miRNA, viruses etc. These biosensors can be used as electronic sensors for biomarkers of certain diseases such as cancer and …
Wireless Powered Flexible Gastrostimulator, Souvik Dubey
Wireless Powered Flexible Gastrostimulator, Souvik Dubey
Electrical Engineering Dissertations
Gastric electrical stimulation (GES) is an effective alternative to long-term dietary and medicinal treatment for gastroparesis. This work presents the design and development of two miniature implantable battery-less gastrostimulators, operated by wireless radio-frequency power. The devices deliver controlled electrical pulses to the stomach tissues to help regain normal motility. The first prototype was designed with the goal to optimize the wireless power transfer efficiency, various antenna configurations were investigated. The attenuation due to human tissue barrier was examined with an equivalent model. To enable reconfiguring the device to meet the patients' needs after implantation, a novel method of changing the …