• Semiconductor nanowires: towards enhanced terahertz sources 

  Balci, Soner (University of Alabama Libraries, 2017)

  The main objective of this work is achieving efficient electromagnetic radiation in terahertz (THz) frequency region by utilizing semiconductor nanowires due to advantages attributed to their one-dimensional structure, and ...
• Development and validation of an insole based wearable system for gait and activity monitoring 

  Hegde, Nagaraj (University of Alabama Libraries, 2017)

  Footwear based wearable sensors are used in applications such as activity monitoring, gait analysis, post-stroke rehabilitation, body weight measurements, and energy expenditure estimation. Such wearable sensors typically ...
• High-density high-efficiency power magnetics 

  Dang, Zhigang (University of Alabama Libraries, 2016)

  This dissertation presents several concepts and techniques in order to (1) increase the inductance density and power density of power inductors (PIs) with high power efficiency and (2) achieve magnetically coupled wireless ...
• Terahertz metamaterials: towards sensing and communications 

  Parvinnezhad Hokmabadi, Mohammad (University of Alabama Libraries, 2016)

  Metamaterials, arrays of subwavelength resonant building blocks, have been the focus of growing interest for both fundamental research and practical applications. These electromagnetic structures are very promising in ...
• A wearable sensor system for automatic detection, characterization and modification of eating behaviour 

  Farooq, Muhammad (University of Alabama Libraries, 2015)

  Food intake is the main source of energy and nutrients required to maintain life. The study of food intake patterns and ingestive behavior is critical to human health, as inadequate or excessive energy intake may result ...
• Control and power management schemes for distributed and battery powered systems 

  Huang, Wangxin (University of Alabama Libraries, 2016)

  Battery systems are widely used in many applications including portable electronics, EVs/HEVs, and distributed smart power grids. In addition to battery technologies, the battery management system (BMS) plays a critical ...
• Iwear - intelligent wearable sensor systems for disability rehabilitation 

  Zhang, Ting (University of Alabama Libraries, 2016)

  Wearable sensor-based healthcare systems have drawn a lot of attention from the scientific community and the industry during the past several years. As the healthcare cost is increasing and the population is aging, ...
• Neural network vector control applications in power system and machine drives 

  Fu, Xingang (University of Alabama Libraries, 2015)

  The research investigates how to develop novel neural network vector control technology for Electric Power and Energy System Applications including grid-connected converters (GCC) and Electric Machines to overcome the ...
• Input voltage ripple based sensorless current sharing auto-tuning controller for multiphase DC-DC converters 

  Huang, Wangxin (University of Alabama Libraries, 2015)

  Multiphase power converter topology has been widely adopted for Point-of-Load (PoL) converter application. To achieve a high-performance multiphase converter design, several design considerations must be taken into account ...
• From cognitive to docitive radios: the role of machine learning in intelligent wireless multimedia networks 

  Wu, Yeqing (University of Alabama Libraries, 2015)

  In recent years, multimedia wireless transmissions have become a rapidly growing field and have received increasing attentions. Enabling multimedia communications over wireless networks to reach their full potential is a ...
• Electrical and computer architecture of an autonomous mars sample return rover prototype 

  Leslie, Caleb Thomas (University of Alabama Libraries, 2016)

  Space truly is the final frontier. As man looks to explore beyond the confines of our planet, we use the lessons learned from traveling to the Moon and orbiting in the International Space Station, and we set our sights ...
• Voltage and power control of inverter-interfaced distributed generation systems using combined direct current vector control and droop control method 

  Ramezani, Malek (University of Alabama Libraries, 2016)

  In recent years, distributed generation (DG) systems have become a signicant power source for remote areas and local loads. Almost all of the DG sources are inverter-interfaced to deliver the power to the loads in the ...
• Study of structure-property-performance relationships for organic thin-film transistors and polymeric solar cells 

  Bi, Sheng (University of Alabama Libraries, 2016)

  Organic electronics has great potential for fabricating low cost, flexible and large-area devices. Despite the rapid development, several main challenges of the field need to be addressed in both organic conjugated polymer ...
• On a future for silicon carbide in power electronics applications 

  Gant, Levi Jason (University of Alabama Libraries, 2016)

  Silicon-based MOSFETs and IGBTs have long been the premiere options for semiconductor switches in power converter applications. However, each of these Si based device structures has limitations that constrain the performance ...
• Implantable ferrite antenna for biomedical applications 

  Fazeli, Maxwell (University of Alabama Libraries, 2016)

  We have developed an implantable microstrip patch antenna with dimensions of 10×10×1.28 mm, operating around the Industrial, Scientific and Medical (ISM) band (2.4 – 2.5 GHz). The antenna is characterized in skin-mimicking ...
• Rare-earth free permanent magnets and permanent magnet synchronous motors 

  Park, Jihoon (University of Alabama Libraries, 2016)

  In this dissertation, basic and applied research programs are engaged that range from the fundamental magnetism and magnetic properties of ferro- and ferrimagnetic materials to the design and fabrication of rare earth (RE) ...
• Cognitive heterogeneous sensor platform for human biometric and activity pattern analysis 

  Ma, Rui (University of Alabama Libraries, 2016)

  Human biometric and activities can be acquired from their motions and postures. Conventional video cameras have many limitations. In this dissertation research our goal is to develop sensor hardware as well as machine ...
• Development and evaluation of a novel neural network of PMSM for electric vehicle 

  Won, Hoyun (University of Alabama Libraries, 2016)

  This thesis investigates an artificial neural network (ANN)-based field-oriented control (FOC) for a surface-mounted and an interior-mounted permanent magnet synchronous machine (SPMSM and IPMSM). The ANN was trained by ...
• Sensor stabilization, localization, obstacle detection, and path planning for autonomous rovers: a case study 

  Faulkner, Andrew Aubrey (University of Alabama Libraries, 2015)

  Autonomous rovers are the next step in exploration of terrestrial planets. Current rovers contain some forms of semi-autonomy, but many functions are still performed by remote human operators. As the distance between Earth ...
• Temperature gradient approach to grow preferentially-oriented tips pentacene crystals for organic thin film transistors 

  Asare-Yeboah, Kyeiwaa (University of Alabama Libraries, 2015)

  As a functionalized pentacene, 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS pentacene) is a p-type organic semiconductor with remarkable intrinsic charge carrier transport and stability in ambient conditions. TIPS ...

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