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Now showing items 31-40 of 49
Dynamic Modeling, Control And Optimization Of PEM Fuel Cell System For Automotive And Power System Applications
(Electrical Engineering, 2008-08-08)
This dissertation is focusing on fuel cell dynamic modeling and control, the optimization design of fuel cell systems, power electronics interface designs, and control for the fuel cell based hybrid system. First, a dynamic ...
Mitigation Of Vibration In A Permanent Magnet Synchronous Machine Using Field Reconstruction
(Electrical Engineering, 2008-09-17)
Permanent magnet synchronous machines (PMSM) are widely used due to their unique characteristics including high efficiency, high power density, simple construction, simple maintenance, and relative ease of control. With ...
1/f Noise In Hafnium Based High-k Gate Dielectric MOSFETS And A Review Of Modeling
(Electrical Engineering, 2008-04-22)
For next generation MOSFETs, the constant field scaling rule dictates a reduction in the gate oxide thickness
among other parameters. Consequently, gate leakage current becomes a serious issue with very thin SiO2 that ...
On The Study Of Multi-channel EEG: Lossless Compression, Signal Modeling And Classification
(Electrical Engineering, 2008-04-22)
Recently, electroencephalogram (EEG) has become necessary for diagnosis, telemedicine, and brain computer interface (BCI). This thesis investigates three signal processing tools which can explore multi-channel structures ...
Theoretical And Experimental Study Of Wide-band Quasi-planar Conical Antennas
(Electrical Engineering, 2008-09-17)
Conical antennas are widely used in many applications because of their broad input impedance bandwidth and omni-directional radiation pattern. However, conical antennas usually have three-dimensional structures and are, ...
Measurement And Modeling Of 1/f Noise In MOSFET Devices With High-κ Material As The Gate Dielectric
(Electrical Engineering, 2008-04-22)
A new 1/f noise model has been developed for MOSFET devices with high-κ gate stack. To investigate the impacts of nitridation, MOSFETs with nitrided high-κ dielectric was used. These devices were provided by Texas Instruments, ...
Passivation Of Si (100) Surface And Fabrication Of Doping-free MOSFET
(Electrical Engineering, 2008-09-17)
Chalcogen atoms have been successfully used for the passivation of GaAs(100) as well as Ge(100) and Si(100) substrates. Unlike GaAs(100) and Ge(100), the native oxide(SiO2) of Si(100) substrate is not soluble in ammonium ...
Optimized Class-E RF Power Amplifier Design In Bulk CMOS
(Electrical Engineering, 2008-04-22)
The telecommunication market calls for the integration of complicated wireless applications. To build RF power amplifiers in CMOS remains challenging due to the nonideal effects in CMOS. The aim of this thesis is to ...
Hardware Platform For Research In Helicopter UAV Control
(Electrical Engineering, 2008-09-17)
The topic discussed in this work addresses the current research being conducted at the Automation & Robotics Research Institute in the areas of UAV helicopter instrumentation targeted towards aerobatic flight control and ...
Cross-layer Design For Wireless Ad Hoc Sensor Networks
(Electrical Engineering, 2008-04-22)
Cross-layer design is an efficient approach to enhance energy efficiency and Quality of Service (QoS) in wireless ad hoc sensor networks. This dissertation will focus on the cross-layer issues and approaches. It will also ...