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  • Renewable Energy in the Pacific Northwest - Technical and Economic Analysis of 100% Renewable Portfolios, including Seasonality Impacts and Potential Applications of Energy Storage

    Creator:
    Harpool, Scott
    Abstract:
    Renewable electrical energy sources are relatively easy to integrate at moderate penetrations, utilizing a combination of technical and market methods to increase grid flexibility. However, integrating high renewable portfolios is more challenging, and the optimal combination of resources will vary depending on the features of specific geographic areas. This study...
    Resource Type:
    Dissertation
    Full Text:
    August 27, 2018. Title: Renewable Energy in the Pacific Northwest - Technical and Economic Analysis

  • Development of leadership and design skills among ECE juniors and graduate students

    Creator:
    Luo, Ding
    Abstract:
    Engineering students spend a significant amount of their undergraduate careers focused on technical theory and practice. This intensive student prepares them for their technical challenges in the future. This training is so intense that often the more 'soft skills' such as communication, leadership, design, and troubleshooting are left out or...
    Resource Type:
    Masters Thesis
    Full Text:
    careers focused on technical theory and practice. This intensive student prepares them for their

  • Wireless Charging System Using Inductive Coupling

    Creator:
    Waters, Allen T.
    Abstract:
    A wireless power transfer system using inductive coupling was designed and implemented as part of a three-member project team. The system uses coupled magnetic fields at a frequency of 606kHz to transfer electromagnetic energy from a charging base to the batteries of portable devices. It succeeded in transmitting power to...
    Resource Type:
    Honors College Thesis
    Full Text:
    . Technical details including schematics, code, and parts lists are appended. Key Words: wireless

  • Hardware design and protection issues in an AC/AC converter

    Creator:
    Faveluke, Alex
    Abstract:
    An AC/AC converter has been designed and implemented for the purpose of providing a modular drive system with a Brushless Doubly-Fed Machine (BDFM.) This converter is to be used in laboratory testing and also as part of a demonstration system in the field. All hardware needed to start and run...
    Resource Type:
    Masters Thesis
    Full Text:
    duplication of this converter by qualified technical personnel. While not tailored for mass production, this

  • Fuzzy logic control of an inverted pendulum with vision feedback

    Creator:
    Holzapfel, Frank G.
    Abstract:
    Recent technical progress has made new forms of controller implementations on computers possible. Especially the technique of Fuzzy Logic Control has found a growing number of applications. Also the development of fast A/D converters has made the acquisation of data with vision based systems possible. In this project we combine...
    Resource Type:
    Masters Thesis
    Full Text:
    Vision Feedback Abstract approved: io E. Magaria Recent technical progress has made new forms of

  • High efficiency delta-sigma modulation data converters

    Creator:
    Lee, Kyehyung
    Abstract:
    Enabled by continued device scaling in CMOS technology, more and more functions that were previously realized in separate chips are getting integrated on a single chip nowadays. Integration on silicon has opened the door to new portable wireless applications, and initiated a widespread use of these devices in our common...
    Resource Type:
    Dissertation
    Full Text:
    , -104 dB THD, and 81 dB SNDR. As an extension of this research, two novel architectures for efficient

  • Network coding in relay networks

    Creator:
    Alban, Eduardo
    Abstract:
    Transmission over wireless networks presents multiple technical challenges due to noise, interference, fading, power constraints and bandwidth limitation. Different solutions have been propposed to overcome these issues and some of them are treated here. Cooperative diversity has been proposed as an implementation for networks where terminals are restricted to using...
    Resource Type:
    Masters Thesis
    Full Text:
    wireless networks presents multiple technical challenges due to noise, interference, fading, power

  • DC/AC Stability of In-Ga-Zn-O Thin-Film Transistors

    Creator:
    Zhou, Fan
    Abstract:
    The electrical stability of amorphous indium-gallium-zinc oxide (a-IGZO) thinfilmtransistors (TFTs) is investigated for flat-panel display applications. Althoughproducts incorporating a-IGZO TFT backplanes are already commercially available,e.g., iMac with 5K retina display, technical challenges need to be addressed for nextgenerationapplications, e.g., active-matrix organic light-emitting diode displays.Device stability is one crucial issue. The...
    Resource Type:
    Dissertation
    Full Text:
    -IGZO TFT backplanes are already commercially available, e.g., iMac with 5K retina display, technical

  • Pattern recognition of speech using hybrid computer feature extraction

    Creator:
    Herr, Alan Jack
    Abstract:
    Most technological problems associated with man-machine conversations have been solved and are well documented in both the contemporary technical and lay literature. The major remaining technological problem is the real time conversion of a human's vocal uterances into a "written" phoneme sequence representing the information content of speech. The work...
    Resource Type:
    Dissertation
    Full Text:
    con- versations have been solved and are well documented in both the contemporary technical and lay

  • Ultra-wideband indoor localization systems

    Creator:
    Ye, Ruiqing
    Abstract:
    Indoor localization systems have a variety of applications such as tracking of assets, indoor robot navigation, and monitoring of people (e.g. patients) in hospitals or at home. Global positioning system (GPS) offers location accuracy of several meters and is mainly used for outdoor location-based applications as its accuracy degrades significantly...
    Resource Type:
    Dissertation
    Full Text:
    part of this dissertation, a centimeter-accurate UWB localization system is developed. The technical