Electrical & Computer Engineering: Recent submissions
Now showing items 121-140 of 158
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Analysis and Characterization of Cloud Based Data Center Architectures for Performance, Robustness, Energy Efficiency, and Thermal Uniformity
(North Dakota State University, 2014)Cloud computing is anticipated to revolutionize the Information and Communication Technology (ICT) sector and has been a mainstream of research over the last decade. Today, the contemporary society relies more than ever ... -
Volumetric Degenerative Routing for 3D Network-On-Chip
(North Dakota State University, 2014)As we reach the limits of scaling down of circuits, Three Dimensional Integrated Circuits (3D ICs) offer a very promising opportunity to keep on increasing the processing capacities and speed. In a Multi-Processor ... -
A New Method of Dynamic Reliability Management for Chip Multi-Processors
(North Dakota State University, 2014)This work presents a new dynamic reliability management controller which successfully extends the expected lifetime of Chip Multi-Processors (CMPs). This is achieved by migrating tasks within the CMP, effectively reducing ... -
Design and Analysis of New Printed Wideband Antennas for Wireless Applications
(North Dakota State University, 2014)In this study a simple method to develop a wideband antenna is proposed. With this new technique a dipole antenna with a 48% frequency bandwidth is transformed to achieve a 120% frequency bandwidth for a voltage standing-wave ... -
FPGA-Based Simulation and Implementation of Induction Motor Torque Control Systems Based on Direct Torque Control (DTC)
(North Dakota State University, 2014)Electric drives for induction machines are of great importance because of the popularity of this machine type. To design, simulate and implement such drives, fast, reliable digital signal processors are needed. Recently ... -
An Electrically Small, Wireless Sensor Platform Designed for Arbitrary Orientation
(North Dakota State University, 2013)Wireless sensors are currently used for data collection where it is either too dangerous and/or menial for a human to collect the data or impractical to use wired devices. Current wireless sensors are either too expensive ... -
A Metamaterial-Based Multiband Phase Shifter
(North Dakota State University, 2014)A design methodology for a multi-band phase shifter using a metamaterial-based transmission line was developed. This method is different in that the loaded-line phase shifter has a phase shift of 90 degrees at the center ... -
Adaptive Beamforming for Antennas on General Wedge- and Cylindrical-Shaped Surfaces
(North Dakota State University, 2014)Adaptive beamforming antennas capable of accommodating the growing number of wireless subscribers throughout the world has become an essential part of modern wireless systems. In this work, the beamforming of a conformal ... -
Provable Data Possession Using Sigma Protocols
(North Dakota State University, 2013)A Provable Data Possession (PDP) scheme allows a client which has stored data at an untrusted server to verify that the server possesses the original data that it stored without retrieving the entire file. In this thesis ... -
The Analysis of Noise Voltage Coupling Between Right-Handed and Meta-Materials Transmission Lines on Printed Circuit Boards
(North Dakota State University, 2013)An important consideration of RF circuitry in terms of Electromagnetic Compatibility is the correct modeling of the coupling between printed transmission lines. This is very important because the coupled noise voltages ... -
Heuristics for Dual Coverage in Wireless Sensor Networks
(North Dakota State University, 2013)Nowadays there is an increasing interest in wireless sensor networks due to their usage in a diverse range of applications such as telemetry and smart grids. In such networks, a valid concern is the minimization of the ... -
An Analysis and Improvement of Brushless DC Motor Control System
(North Dakota State University, 2013)Trapezoidal Back-EMF (Brushless DC) motors are gaining increasing importance in automotive industries, HVAC applications, home appliances etc. Traditionally, Brushless DC motors are commutated electronically using position ... -
On Authentication of Long Messages in Short Time for Resource Constrained Sensor Networks
(North Dakota State University, 2013)This thesis is a collection of three different research contributions targeted towards providing faster message authentication for long messages which have been recently accepted or submitted for publication. The first ... -
Wireless Health Monitor Design
(North Dakota State University, 2012)In this thesis, a Wireless Health Monitor system for novel spacesuit verification and tests is presented. This system monitors the operator's health-related vital parameters and incorporates data acquisition, collecting ... -
A PMSG-Based Wind Energy Conversion System Assisted by Photovoltaic Power
(North Dakota State University, 2012)This work discusses a hybrid power conversion scheme consisting of a permanent magnet synchronous generator (PMSG)-based wind energy system and photovoltaic panels. The two energy sources are integrated with a battery to ... -
Designing of a Small Wearable Conformal Phased Array Antenna for Wireless Communications
(North Dakota State University, 2012)In this thesis, a unique design of a self-adapting conformal phased-array antenna system for wireless communications is presented. The antenna system is comprised of one microstrip antenna array and a sensor circuit. A 1x4 ... -
Investigation of the Effects of Radio Frequency Exposure on Mice
(North Dakota State University, 2017)Video summarizing a Ph.D. dissertation for a non-specialist audience. -
Multisine Excitation Design to Increase the Efficiency of System Identification Signal Generation and Analysis
(North Dakota State University, 2012)Reducing sample frequencies in measurement systems can save power, but reduction to the point of undersampling results in aliasing and possible signal distortion. Nonlinearities of the system under test can also lead to ... -
A Formal Verification Methodology for Real-time FPGA
(North Dakota State University, 2017)Real-time systems in safety-critical and mission-critical domains have stringent or hard timing constraints. The correctness of such systems is of prime importance to avoid any unacceptable consequences like a big financial ... -
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 ...