Browsing Electrical & Computer Engineering Doctoral Work by Title
Now showing items 43-62 of 69
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Network Convergence in Multicarrier Hybrid Cellular Network
(North Dakota State University, 2014)In a multicarrier communication system with known channel state information at transmitter (CSIT), it is well-known that the water-filling power allocation scheme is optimal in achieving the Shannon capacity. However, in ... -
A New Methodology for the Design and Tuning of Robust PID Controllers in Electric Drives
(North Dakota State University, 2014)AC induction motor-drive systems are the backbone for numerous industrial applications, such as aerospace, medical equipment, and nuclear power plants. The control performance of electric drives is sensitive to several ... -
Nonlinear Compensation in Optical Communications Systems using the Nonlinear Fourier Transform
(North Dakota State University, 2017)Nonlinear effects in optical fibers impose a capacity limit for optical communication systems. In this dissertation, the nonlinear Fourier transform (NFT) is investigated as a method to mitigate and compensate for those ... -
A Novel Batteryless Pacemaker: Design, Development, and In Vivo Study in an Ovine Model
(North Dakota State University, 2017)A standard pacemaker can improve a patient's quality of life and may even prolong it, but conventional pacemakers contain leads and batteries, which have their own complications. Hence, the need for a pacemaker with leadless ... -
On Measuring the Robustness of Cloud Computing Systems
(North Dakota State University, 2015)The diverse computing services offered by the cloud computing paradigm have escalated the interest in cloud deployment to a great extent. Cloud systems need to be resilient to uncertainties and perturbations. However, the ... -
Perceptual Video Quality Model and its Application in Wireless Multimedia Communications
(North Dakota State University, 2015)With the exponential growth of video traffic over wireless networked and embedded devices such as mobile phones and sensors, mechanisms are needed to predict the perceptual quality of video in real time and with low ... -
Performance Enhancement of Pipeline ADCs
(North Dakota State University, 2014)The pipeline ADC is mainstream architecture in wireless communication and digital consumer products because of its speed, resolution, dynamic performance, and power consumption. However, there are three areas of concern ... -
A Phase Correction Technique Based on Spatial Movements of Antennas in Real-Time (S.M.A.R.T.) for Designing Self-Adapting Conformal Array Antennas
(North Dakota State University, 2017)This research presents a real-time adaptive phase correction technique for flexible phased array antennas on conformal surfaces of variable shapes. Previously reported pattern correctional methods for flexible phased array ... -
Power System Stability Enhancement through Data Center Ancillary Services
(North Dakota State University, 2015)The primary objective of a control system is stability and steady-state performance under varying dynamics, such as faults and disturbances. The stable power system should continue to function properly in case of faults ... -
Power-Efficient Adaptive Memory Design and Optimization for Video and Deep Learning
(North Dakota State University, 2020)Memory devices such as Static Random-Access Memory (SRAM) and Dynamic Random-Access Memory (DRAM) are dominating members of today’s semiconductor industry. Most of the silicon area in a digital system is occupied by memory ... -
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 ... -
Resilient Monitoring and Robust Control towards Blackout Prevention in Modern Power Grids
(North Dakota State University, 2020)This dissertation embodies a comprehensive approach towards resilient monitoring of frid events using Structure Preserving Energy Functions (SPEFs) and introduces a novel control architecture in Multi Terminal Direct Current ... -
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 ... -
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 ... -
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 ... -
Timed Refinement for Verification of Real-Time Object Code Programs
(North Dakota State University, 2018)Real-time systems such as medical devices, surgical robots, and microprocessors are safety- critical applications that have hard timing constraint. The correctness of real-time systems is important as the failure may result ... -
Timed Refinement for Verification of Real-Time Object Code Programs
(North Dakota State University, 2018)Real-time systems such as medical devices, surgical robots, and microprocessors are safety-critical applications that have hard timing constraint. The correctness of real-time systems is important as the failure may ... -
Towards Secure Cloud Storage Services
(North Dakota State University, 2015)Cloud computing is anticipated to revolutionize the Information and Communication Technology sector and has been a mainstream of research over the last decade. The cloud computing, upsurges the capabilities of the hardware ... -
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 ...