Browsing Electrical & Computer Engineering by Issue Date
Now showing items 21-40 of 153
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Design of an Audio-Visual Display for Cross-Modal Experimentation
(North Dakota State University, 2012)The present paper shows the characteristics of a hardware/software display capable of presenting, at different spatial locations, multiple audio-visual stimuli in real-time. The system has been developed to provide a tool ... -
Computer-Aided Microwave Design System (CAMDS): Improvement, Verification, and Device Fabrication
(North Dakota State University, 2012)This paper presents a review of the Computer-Aided Microwave Design System (CAMDS) as originally developed by Divya Bais. Its goal was to deal with microwave design and analysis problems presented in standard textbooks ... -
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 ... -
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 ... -
Hybrid Renewable Energy System Using Doubly-Fed Induction Generator and Multilevel Inverter
(North Dakota State University, 2012)The proposed hybrid system generates AC power by combining solar and wind energy converted by a doubly-fed induction generator (DFIG). The DFIG, driven by a wind turbine, needs rotor excitation so the stator can supply a ... -
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 ... -
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 ... -
Analysis of Power Line Communication Channel Model using Communication Techniques
(North Dakota State University, 2013)With the advent of technology, human dependency on power (electricity) and communication has grown beyond leaps and bounds. Many efforts have been made to continuously improve and increase the efficiency in both areas. ... -
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 ... -
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 ... -
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 ... -
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 ... -
A Corrective Strategy for Voltage Regulation in Distribution Grids with Plug-in Hybrid Electric Vehicles
(North Dakota State University, 2013)The increasing integration of Plug-in Hybrid Electric Vehicles (PHEV) poses unique challenges for voltage and frequency regulation in electric distribution grids. The mobility and variability due to PHEV loads exacerbates ... -
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 ... -
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 ... -
Contextualization in Large-Scale Social Networks
(North Dakota State University, 2014)Social computing-based applications provide a coherent medium through which people can be interactive and socialize by developing a Web-based communication channel that integrates different Social Networking Services (SNSs) ... -
Zeroth Order Resonator (ZOR) Based RFID Antenna Design
(North Dakota State University, 2014)Meander-line and multi-layer antennas have been used extensively to design compact UHF radio frequency identification (RFID) tags; however the overall size reduction of meander-line antennas is limited by the amount of ... -
A Compact Cylindrical-Shape Microstrip Structure with Cloaking Properties for Mutual Coupling Reduction in Array Antennas
(North Dakota State University, 2014)A cylindrical-shaped microstrip structure with cloaking properties is presented as a shielding device to reduce the mutual coupling between two patch antennas. The surface comprises of a number of 2-port microstrip (2-PM) ... -
Fault Tolerant and Adaptive Systems with Focus on Networks-On-Chips
(North Dakota State University, 2014)The first step in design of reliable systems is the ability to evaluate the reliability of the system. This is an important step in the process of designing reliable systems because design techniques that proactively improve ...