135 research outputs found

    Autonomy Operating System for UAVs: Pilot-in-a-Box

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    The Autonomy Operating System (AOS) is an open flight software platform with Artificial Intelligence for smart UAVs. It is built to be extendable with new apps, similar to smartphones, to enable an expanding set of missions and capabilities. AOS has as its foundations NASAs core flight executive and core flight software (cFEcFS). Pilot-in-a-Box (PIB) is an expanding collection of interacting AOS apps that provide the knowledge and intelligence onboard a UAV to safely and autonomously fly in the National Air Space, eventually without a remote human ground crew. Longer-term, the goal of PIB is to provide the capability for pilotless air vehicles such as air taxis that will be key for new transportation concepts such as mobility-on-demand. PIB provides the procedural knowledge, situational awareness, and anticipatory planning (thinking ahead of the plane) that comprises pilot competencies. These competencies together with a natural language interface will enable Pilot-in-a-Box to dialogue directly with Air Traffic Management from takeoff through landing. This paper describes the overall AOS architecture, Artificial Intelligence reasoning engines, Pilot-in-a-box competencies, and selected experimental flight tests to date

    The Grizzly, November 7, 1995

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    The Inauguration of President John Strassburger • Colloquium Report • Dilemma After Dark • The Truth About the Honor Code • Canned Food Drive a Success • Rabin Assassinated • Canada Remains Unified • Enough is Enough • Dr. Oboler Responds • Homosexuality: It Doesn\u27t Have to Last Forever • There is More Than One Christian View • A Parent\u27s View • A Big Thank You! • Inauguration Day • Making Ursinus Whole • And the Verdict is... • New Additions in Zack\u27s • Snell Cup Comes Home • Season Ends with Win • Football Team Avoids Centennial Cellarhttps://digitalcommons.ursinus.edu/grizzlynews/1368/thumbnail.jp

    The Grizzly, February 27, 1996

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    Koestner Gives First-Hand Account of Date Rape • J-Board Charges Reimert Residents • Swastikas are Removed from Bomberger Hall • Buchanan Wins New Hampshire • The Skipped Diploma • Evolutionary Doubts • Fighting for Real Social Change • In Support of Healthier Relationships • Alan Morrison to Perform Recital • U.S.G.A. News • Faculty Spotlight: Dr. Peter Perreten • Staff Spotlight: Todd McKinney • Gymnasts End Season With a Win • Lacrosse Team Ranked 15th • Bears Compete at Indoor Championships • Lady Bears Fall in Conference Semishttps://digitalcommons.ursinus.edu/grizzlynews/1376/thumbnail.jp

    The Grizzly, March 26, 1996

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    Marijuana Incident Results in Dismissal of Two Students • UC Professors to Participate in AIDS Ride • Ryan Auch: The Gentle Giant • Women\u27s Week • Opinions: Capitalism, Individualism and Responsibility; Scotland Fury • Thoughts on the Honor Code • Senegel Professor Speaks on Africa • Berwyn Tavern & Grill: A Trappe Alternative • Faculty Spotlight: Antoni Castells-Talens • Bears at 10-3 After Winning Streak • Trecroce Named Player of the Week • Lacrosse Starts Season With a Banghttps://digitalcommons.ursinus.edu/grizzlynews/1378/thumbnail.jp

    The Grizzly, November 21, 1995

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    The Quad Joins the Information Superhighway • Was Darwin Right?: Dr. Philip Johnson Discusses Evolution • Women are Moving Beyond The Double Bind • From Bed to Class in 3 Seconds Flat • Ursinus\u27 Tutoring Program • A New Music Revolution • The Great Pizza Caper • Welcome to the Miserable World of a Homosexual • God and the GOP • Dr. Nagy: Challenging the Claims • We\u27re Not Secure! • Final Exam Schedule • Alumna Spotlight: Janene Paist • Alien Lands at Ursinus: Observes Strange Life Forms • Flag Football Special • Lady Bears Contend For Mobil Championship • Season Opening Tourney Yields Split • Bears Place Four on Centennial All-Conference Teamhttps://digitalcommons.ursinus.edu/grizzlynews/1370/thumbnail.jp

    The Grizzly, November 14, 1995

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    Date of Graduation to Change • Election Day \u2795: The Results are in! • European Adventure • Women Taking Action Through Self-Defense • Jamieson to Speak • Job Club on Campus • Pi Nu Epsilon Sponsors Messiah Chat • Can-tastic! • Debate: King of Prussia Renovations • Talk Show Circus • What I Think • How Can You Say That God is the Truth? • The Only True Judge is God • Concert Band and Jazz Ensemble to Perform Saturday • Going Medieval on the Mall • The Tempest a Success • Ethnic-American Writers Series Presents Lisa Jones • The Bookstore is Changing: Voice Your Opinion • Philosophy Major Now Available • Football Falls to Dickinson, 27-12 • Runners Compete at Regional Championships • Local Karate Students Medal at 1995 Mediterranean Games • Field Hockey Team Falls in ECAC Semishttps://digitalcommons.ursinus.edu/grizzlynews/1369/thumbnail.jp

    The Grizzly, March 24, 1997

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    Alternative Spring Break Unites Students, Charity • Author Ntozake Shange Reads, Lectures in Olin • New Chair of Campus Ministries Committee • Wicks House to Open in Fall • Ursinus is Ranked Among Best Science Schools • Opinion: Some Advice to Mr. Leahy; All Good Things; Liberal Arts Education Part II, Awareness Weeks; Letters from Great Britain; Let\u27s Get it Straight; A Tree or not a Tree, That is the Question • Something Old, Something New, Something Borrowed, Something Blur • The Tempest: Wayfaring Weather • Lady Bears Lose ECAC Championship • Baseball Starts Season at 4-7 Pace • Women\u27s Lacrosse Wins Year\u27s First Contest • Men\u27s Tennis Falls to Moravian • Rhodenbaugh and Minnich Honored as SAAC Chairs • Softball Off to 10-4 Start • Torsone an All-American • Gymnastics Team Places 8th at Nationals • Women\u27s Tennis Wins • USA Wrestling Lineup Announcedhttps://digitalcommons.ursinus.edu/grizzlynews/1400/thumbnail.jp

    Genes for the Major Structural Components of Thermotogales Species’ Togas Revealed by Proteomic and Evolutionary Analyses of OmpA and OmpB Homologs

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    The unifying structural characteristic of members of the bacterial order Thermotogales is their toga, an unusual cell envelope that includes a loose-fitting sheath around each cell. Only two toga-associated structural proteins have been purified and characterized in Thermotoga maritima: the anchor protein OmpA1 (or Ompα) and the porin OmpB (or Ompβ). The gene encoding OmpA1 (ompA1) was cloned and sequenced and later assigned to TM0477 in the genome sequence, but because no peptide sequence was available for OmpB, its gene (ompB) was not annotated. We identified six porin candidates in the genome sequence of T. maritima. Of these candidates, only one, encoded by TM0476, has all the characteristics reported for OmpB and characteristics expected of a porin including predominant β-sheet structure, a carboxy terminus porin anchoring motif, and a porin-specific amino acid composition. We highly enriched a toga fraction of cells for OmpB by sucrose gradient centrifugation and hydroxyapatite chromatography and analyzed it by LC/MS/MS. We found that the only porin candidate that it contained was the TM0476 product. This cell fraction also had β-sheet character as determined by circular dichroism, consistent with its enrichment for OmpB. We conclude that TM0476 encodes OmpB. A phylogenetic analysis of OmpB found orthologs encoded in syntenic locations in the genomes of all but two Thermotogales species. Those without orthologs have putative isofunctional genes in their place. Phylogenetic analyses of OmpA1 revealed that each species of the Thermotogales has one or two OmpA homologs. T. maritima has two OmpA homologs, encoded by ompA1 (TM0477) and ompA2 (TM1729), both of which were found in the toga protein-enriched cell extracts. These annotations of the genes encoding toga structural proteins will guide future examinations of the structure and function of this unusual lineage-defining cell sheath

    Optimasi Portofolio Resiko Menggunakan Model Markowitz MVO Dikaitkan dengan Keterbatasan Manusia dalam Memprediksi Masa Depan dalam Perspektif Al-Qur`an

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    Risk portfolio on modern finance has become increasingly technical, requiring the use of sophisticated mathematical tools in both research and practice. Since companies cannot insure themselves completely against risk, as human incompetence in predicting the future precisely that written in Al-Quran surah Luqman verse 34, they have to manage it to yield an optimal portfolio. The objective here is to minimize the variance among all portfolios, or alternatively, to maximize expected return among all portfolios that has at least a certain expected return. Furthermore, this study focuses on optimizing risk portfolio so called Markowitz MVO (Mean-Variance Optimization). Some theoretical frameworks for analysis are arithmetic mean, geometric mean, variance, covariance, linear programming, and quadratic programming. Moreover, finding a minimum variance portfolio produces a convex quadratic programming, that is minimizing the objective function ðð¥with constraintsð ð 𥠥 ðandð´ð¥ = ð. The outcome of this research is the solution of optimal risk portofolio in some investments that could be finished smoothly using MATLAB R2007b software together with its graphic analysis

    Search for heavy resonances decaying to two Higgs bosons in final states containing four b quarks

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    A search is presented for narrow heavy resonances X decaying into pairs of Higgs bosons (H) in proton-proton collisions collected by the CMS experiment at the LHC at root s = 8 TeV. The data correspond to an integrated luminosity of 19.7 fb(-1). The search considers HH resonances with masses between 1 and 3 TeV, having final states of two b quark pairs. Each Higgs boson is produced with large momentum, and the hadronization products of the pair of b quarks can usually be reconstructed as single large jets. The background from multijet and t (t) over bar events is significantly reduced by applying requirements related to the flavor of the jet, its mass, and its substructure. The signal would be identified as a peak on top of the dijet invariant mass spectrum of the remaining background events. No evidence is observed for such a signal. Upper limits obtained at 95 confidence level for the product of the production cross section and branching fraction sigma(gg -> X) B(X -> HH -> b (b) over barb (b) over bar) range from 10 to 1.5 fb for the mass of X from 1.15 to 2.0 TeV, significantly extending previous searches. For a warped extra dimension theory with amass scale Lambda(R) = 1 TeV, the data exclude radion scalar masses between 1.15 and 1.55 TeV
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