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  • Robust Reference-Free Sim-to-Real Reinforcement Learning for Bipedal Locomotion

    Creator:
    Siekmann, Jonah A.
    Abstract:
    In recent years, model-free Deep Reinforcement Learning (RL) has become an increasingly popular alternative to more traditional model-based or optimization-based control methods in solving robotic legged locomotion. However, deploying RL in the real world can be a significant undertaking. Constructing reward functions which compel controllers to learn the desired behavior...
    Resource Type:
    Masters Thesis
    Full Text:
    -Free Sim-to-Real Reinforcement Learning for Bipedal Locomotion Abstract approved: Alan Fern In

  • Development of a method to measure protein in red wines : a survey of protein, mannan and tannin in Pinot noir wines

    Creator:
    Smith, Mark R.
    Abstract:
    A number of methods to isolate and quantify protein in Pinot noir wines were evaluated. The combination of precipitation by acetone containing 10% w/v trichloroacetic acid followed by quantification with the Bradford assay, reported in yeast invertase equivalents yielded the most accurate results when compared to micro-Kjeldahl analysis. The technique...
    Resource Type:
    Masters Thesis
    Full Text:
    Mark R. Smith for the degree of Master of Science in Food Science and Technology presented on August 3

  • Investigation of Infrared Absorption of Carbon Dioxide in Metal–Organic Framework Material

    Creator:
    Li, Shiwen
    Abstract:
    Due to the advantages of the high surface area and high porosity, Metal-Organic Framework (MOF) materials are widely used in gas storage. As a typical MOF material, Zeolitic Imidazolate Framework-8 (Zif-8) has high selectivity and adsorption capability of carbon dioxide (CO2). In this thesis, we investigated the infrared absorption of...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Alan X. Wang Due to the advantages of the high surface area and high porosity, Metal

  • Stake-Free Evaluations of Black-Box Optimization and Spatio-Temporal Graph Network Algorithms

    Creator:
    Merrill, Erich, III
    Abstract:
    Papers proposing novel machine learning algorithms tend to present the algorithm or technique in question in the best possible light. The standard practice is generally for authors to emphasize their proposed algorithms' performance in the precise setting where it is maximally impressive, often by only fully evaluating their best known...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: Alan Fern Papers proposing novel machine learning algorithms tend to present the

  • Recurrent Neural Networks for Robotic Control of a Human-Scale Bipedal Robot

    Creator:
    Siekmann, Jonah A.
    Abstract:
    Dynamic bipedal locomotion is among the most difficult and yet relevant problems in modern robotics. While a multitude of classical control methods for bipedal locomotion exist, they are often brittle or limited in capability. In recent years, work in applying reinforcement learning to robotics has lead to superior performance across...
    Resource Type:
    Honors College Thesis
    Full Text:
    Bipedal Robot Abstract approved: Alan Fern Dynamic bipedal locomotion is among the most difficult and

  • Age structure, developmental pathways, and fire regime characterization of Douglas-fir/western hemlock forests in the central western Cascades of Oregon

    Creator:
    Tepley, Alan J.
    Abstract:
    Descriptions of the fire regime in the Douglas-fir/western hemlock region of the Pacific Northwest traditionally have emphasized infrequent, predominantly stand-replacement fires and an associated linear pathway of stand development, where all stands proceed along a common pathway until reset by the next fire. Although such a description may apply in...
    Resource Type:
    Dissertation
    Full Text:
    DISSERTATION OF Alan J. Tepley for the degree of Doctor of Philosophy in Forest Science and Geography

  • Disputant storytelling in divorce mediation

    Creator:
    Hansen, Alan R.
    Abstract:
    This paper investigates the nature of disputants' stories within the context of divorce mediation. Tapes and transcripts of actual mediation sessions from three different sources are scrutinized, utilizing a modified form of conversation analysis known as ethnography of speaking. Several themes emerge from this analysis of disputants' stories: the functions...
    Resource Type:
    Masters Thesis
    Full Text:
    THE THESIS OF Alan Hansen for the degree of Master of Arts in Interdisciplinary Studies in

  • Two-phase fluid break flow measurements and scaling in the advanced plant experiment (APEX)

    Creator:
    Pimentel, David Alan
    Abstract:
    The Oregon State University (OSU) Advanced Plant Experiment (APEX) is a one-fourth height, one-half time scale, reduced pressure integral systems test facility designed to model the long-term cooling capabilities of the emergency core cooling systems of the Westinghouse AP600. This study provides a brief description of the APEX test facility,...
    Resource Type:
    Masters Thesis
    Full Text:
    An Abstract of the Thesis of David Alan Pimentel for the degree

  • In vivo detoxification of acetic acid in Saccharomyces cerevisiae

    Creator:
    Ding, Jun
    Abstract:
    The studies described in this thesis were motivated by ongoing efforts to develop lignocellulosic biomass as an efficient and practical source of renewable energy. Enormous problems complicate these efforts to reduce reliance on greenhouse gas-generating fossil fuels. Simply obtaining the fermentable sugars available in the cellulose and hemicellulose components of...
    Resource Type:
    Dissertation
    Full Text:
    cerevisiae Abstract approved: Alan T. Bakalinsky The studies described in this thesis

  • Nutritional and Genetic Aspects of Sulfite Excretion During Fermentation by Wine Strains of Saccharomyces cerevisiae

    Creator:
    Alessandri, María P.
    Abstract:
    Reductive sulfate assimilation, the biological process by which sulfur-containing amino acids and key derivatives are synthesized from sulfate, is broadly shared among bacteria, fungi, and plants. It is the major, if not sole source of methionine and cysteine for Saccharomyces cerevisiae during wine fermentation. Two obligate intermediates formed in the...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Alan T. Bakalinsky Reductive sulfate assimilation, the biological process by which