Electrical & Computer Engineering: Recent submissions
Now showing items 21-40 of 158
-
Impedances of a Cubical Quad Antenna
(North Dakota State University, 1965)Rectangular loop antennas and short electric dipoles are two of the oldest antennas in existence. In 1888, twenty years after Maxwell invented his famous Maxwell's equations, Hertz used these two antennas to prove ... -
A Study of Inverter-Based Resources on Power Grid Operation Under Uncertain Operating Conditions
(North Dakota State University, 2022)The electric power grid is undergoing a rapid change predominantly driven by high penetration levels of renewable energy resources (RERs) such as wind and solar. These resources are interfaced with the power grid through ... -
A Study of Conformal Metasurfaces on Passive Beam Steering for Arrays
(North Dakota State University, 2022)Beam-steering has drawn significant interest due to the expansion of network capacity. However, a traditional beam steering system involves active phase shifters and controlling networks which can be complex. This work ... -
Transformation Electromagnetics/Optics for Designing and Scanning Antenna Arrays
(North Dakota State University, 2021)Recent developments in engineered electromagnetic materials, also known as metamaterials paved the way for new design approaches of unique and incomprehensible electromagnetic devices and structures using electromagnetic ... -
Turning Visual Noise Into Hardware Efficiency: Systems of Viewer and Content Aware Power-Quality Scalable Embedded Memories With ECC-Adaptation for Big Videos and Deep Learning
(North Dakota State University, 2021)Mobile devices, such as smart phones, are being increasingly utilized for watching videos. Video processing requires frequent memory access that consume a significant amount of power due to large data size and intensive ... -
Rare Molecule Biomarker Detection Using Dielectrophoresis Spectroscopy
(North Dakota State University, 2021)According to the American cancer society, 1.9 million new cancer cases and 608,570 cancer deaths are projected to occur in the United States. There is a fundamental technology gap that prevents the availability of tools ... -
Mitigating Nonlinear Effect and Preserving Privacy for Memristor Based On-Chip Neural Network
(North Dakota State University, 2021)Memristors offer advantages as a hardware solution for neuromorphic computing, however, their non-ideal property makes the weight update difficult and reduces the accuracy of a neural network. Also, a large amount of ... -
Synthesis of Specifications and Refinement Maps for Real-Time Object Code Verification
(North Dakota State University, 2020)Formal verification methods have been shown to be very effective in finding corner-case bugs and ensuring the safety of embedded software systems. The use of formal verification requires a specification, which is typically ... -
Bit Optimized Reconfigurable Network (BORN): A New Pathway Towards Implementing a Fully Integrated Band-Switchable CMOS Power Amplifier
(North Dakota State University, 2020)The ultimate goal of the modern wireless communication industry is the full integration of digital, analog, and radio frequency (RF) functions. The most successful solution for such demands has been complementary metal ... -
High Power Density and High Efficiency DC-DC Converters Based on Wide Bandgap Semiconductors
(North Dakota State University, 2019)As the rapid development of semiconductor technologies, more and more power electronic devices are used in our daily life. The power converters are widely used in many emerging areas, such as renewable energy and clean ... -
Analyses, Mitigation and Applications of Secure Hash Algorithms
(North Dakota State University, 2020)Cryptographic hash functions are one of the widely used cryptographic primitives with a purpose to ensure the integrity of the system or data. Hash functions are also utilized in conjunction with digital signatures to ... -
Lithium Ionic Conductivity and Stability Of Cubic Li7La3Zr2O12 Solid Electrolyte A First-Principles Study
(North Dakota State University, 2020)Garnet structured cubic LLZO crystal (Li56La24Zr16O96) is one of the most promising solid electrolytes for next-generation solid-state lithium-ion batteries. Ab initio molecular dynamics simulations have been employed to ... -
Wide Band-Gap Semiconductor Based Power Converter Reliability and Topology Investigation
(North Dakota State University, 2020)Wide band-gap semiconductor materials such as silicon carbide (SiC) and gallium nitride (GaN) have been widely investigated these years for their preferred operation at higher switching frequency, higher blocking voltage, ... -
Using Classification and Clustering to Predict and Understand Student Behavior in an Innovation-Based Learning Course
(North Dakota State University, 2020)One of the Grand Challenges for Engineering is advancing personalized learning, but challenges remain to identify and understand potential student pathways. This is especially difficult in complex, open-ended learning ... -
Formal Verification Methodologies for NULL Convention Logic Circuits
(North Dakota State University, 2020)NULL Convention Logic (NCL) is a Quasi-Delay Insensitive (QDI) asynchronous design paradigm that aims to tackle some of the major problems synchronous designs are facing as the industry trend of increased clock rates and ... -
Utilization of Interdigitated Microelectrodes and Dielectrophoresis for Biosensing, Bio Molecule Manipulation and Biomanufacturing Therapeutic Cells
(North Dakota State University, 2020)Microelectrode arrays (MEA) and microfluidic systems are two of the most used technologies in Lab-on-a-chip (LOC) applications. These integrated and miniaturized systems are said to offer significant advantages in medical ... -
Extraction of Electromagnetic Properties of Metamaterials with Branch Compensation from Phase Tracking
(North Dakota State University, 2020)In the field of electromagnetism, there are materials known as metamaterials which exhibit unique properties that can be exploited. Permittivity, defined as capacitance per meter, of a metamaterial can vary over frequency ... -
Novel K2W7O22/Ti3C2 Nanocomposite-Based Sensor Device for Breath Acetone Analysis in Diabetic Patients
(North Dakota State University, 2020)Acetone in exhaled breath is gaining attention as a non-invasive means of quantifying blood glucose levels in Diabetics. This calls for development of novel biosensors for the detection of trace concentrations of acetone ... -
A Negative Dielectrophoresis Based Method of Detecting Pancreatic Cancer Antigen CA 242 in Serum
(North Dakota State University, 2020)Patients with pancreatic cancer in metastasis rarely survive, thus the need for diagnostic tools for early stage detection. Current techniques such as ELISA and SPR are complex and expensive and cannot detect cancer in its ... -
Development of Performance Optimized Rotation Tolerant Viola-Jones Based Blackbird Detection, a Throughput Optimized Asynchronous Mac Implementation, and Automated Wheat Lodging Estimation
(North Dakota State University, 2020)The research described in this doctoral dissertation focuses on three main topics:1) performance optimization of the Viola-Jones Algorithm (VJA) for red-winged blackbird (Agelaius phoeniceus) detection, 2) further increasing ...