Miracle-dz/UniFAR-FTUs huggingface dataset:
Wind Energy Conversion Systems for Direct-Drive PMSG Based On Discrete-Time Direct Torque Control with Fuzzy Logic

This project proposes a fuzzy logic based discrete-time direct torque control (DTC) scheme for salient-pole permanent-magnet synchronous generators (PMSGs) used in the variable-speed, direct-drive wind energy conversion systems (WECSs). The discrete-time control law is derived from the perspective of flux space vectors and load angle with the torque and stator flux information only. The saliency of the PMSG is eliminated by the active flux concept. Compared with the existing space vector modulation (SVM)-based DTCs, the proposed scheme removes the use of PI regulators and use fuzzy controller for error reduction purpose and is less dependent on the machine parameters, e.g., stator inductances and permanent-magnet flux linkage, while maintaining the fast dynamic response of the system. By integrating the SVM into the control scheme, the torque and flux ripples are greatly reduced and the switching frequency becomes fixed. The effectiveness of the proposed DTC scheme is verified by real-time simulations implemented on an OPAL-RT real-time simulator and experimental results for a 180-W salient-pole PMSG used in a direct-drive WECS
Eddies in numerical models of the Southern Ocean

Mesoscale eddies play a crucial role in the dynamics of the Antarctic Circumpolar Current (ACC) by facilitating horizontal redistribution and vertical penetration of the momentum, contributing to the meridional heat transport and the budgets of energy and momentum of the ACC. This chapter discusses the dynamics of the ACC based on results of numerical models that permit or resolve the mesoscale eddies. Conclusions are drawn by comparing and contrasting results from different models, including both quasi-geostrophic and primitive equation models.
Modélisation et simulation de l'architecture de l'orme du Japon Zelkova serrata (Thunb.) Makino (Ulmaceae) : la notion d'axe de référence

L'analyse architecturale et quantitative de plusieurs individus de Zelkova serrata âges de 1 a 100 ans et poussant dans des conditions homogenes, montre que la valeur des parametres qui permettent de caracteriser la structure des unites de croissance evolue de facon precise au cours du temps. Au sein de l'arbre entier, cette evolution est reprise plus ou moins completement par toutes les branches et s'exprime a travers deux types de gradient : la derive et l'acrotonie. Ces observations ont permis la mise au point d'un nouveau mode de gestion des donnees quantitatives basee sur le regroupement et le classement de toutes les etapes de differenciation d'un arbre sur un axe theorique : l'axe de reference
The effect of informal economy on income inequality: Evidence from Turkey

By considering the manufacturing pay inequality index as a proxy for overall income inequality and a novel index for the informal economy, this study analyzes the relationship between income inequality and the size of the informal economy in Turkey for the first time during the period of 1963-2008. For this purpose, we employ a time-series analysis with the Johansen cointegration test, a vector error correction model and the Granger causality tests. The findings suggest that while an increase in income inequality and foreign trade competitiveness leads to an expansion of the informal sector, unemployment has negative effects on the informal sector. Key words: Informal economy, Income inequality, Trade.JEL: E26, J31.
Stimulated Raman Backscattering in Plasma — a Promising Tool for the Generation of Ultra-High Power Laser Beams

In the last fifteen years stimulated Raman backscattering (SRBS) in plasma has been intensively elaborated as a promising tool on the way towards high intense lasers. There are several advantages of this technique in comparison to the world-wide used the CPA-Chirped Pulse Amplification technique for a laser amplification. We present the principle of the SRBS technique, the best results so far obtained in theory and experiment, and a possible SRBS project at the PALS Research Centre in Prague.
UvA-DARE ( Digital Academic Repository ) Ferrodoxin : NADP + reductase and photosynthetic energy transduction in Cyanobacteria

Disclaimer/Complaints regulations If you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva. nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible.
Factors Affecting the Intention to Use of Smart-Phone Banking Service: A Case of Chinese Users

In this paper we investigate the factors influencing the intention to use of smart-phone mobile banking service in China. We include the characteristics of smart-phone, mobile banking service, and users to the research model and also consider user satisfaction as an intervening variable. We try to find and prove the factors influencing the intention to use of smart-phone mobile banking service by surveying 206 chinese users and using structural equation model. This empirical paper proves that mobility, instance connectivity, use convenience, and intimacy give positive effects to intention to use of smart-phone mobile banking service. In addition, this paper indicates some managerial implications that mobility, access speed and the easy user interface can help to increase the degree of user acceptance.
Measuring microwave properties of laminated dielectric substrates

The theoretical approach is developed and the test rig is designed for measuring the microwave parameters of dielectric substrates at frequencies between 30 and 40 GHz and over a temperature range from −50 to +70°C. The test rig is based on sapphire resonators and allows the measurements of the following parameters of commonly used PCB materials: (i) dielectric constant (e) of the dielectric substrate in the range from 2 to 10, (ii) loss tangent (tan δ) of the substrate in the range from 10−4 to 10−2, and (iii) ranging from 0.03 to 0.3 Ωsurface resistance of the laminating metal layer adjoining the dielectric material.
Al and Si Influences on Hydrogen Embrittlement of Carbide-Free Bainitic Steel

A first-principle method based on the density functional theory was applied to investigate the Al and Si influences on the hydrogen embrittlement of carbide-free bainitic steel. The hydrogen preference site, binding energy, diffusion behaviour, and electronic structure were calculated. The results showed that hydrogen preferred to be at the tetrahedral site. The binding energy of the cell with Si was the highest and it was decreased to be the worst by adding hydrogen. The diffusion barrier of hydrogen in the cell containing Al was the highest, so it was difficult for hydrogen to diffuse. Thus, hydrogen embrittlement can be reduced by Al rather than Si.
Wykorzystanie crowdsourcingu i Otwartej Innowacji na przykładzie platformy internetowej My Starbucks Idea

Prezentowana publikacja „Wybrane problemy zarządzania i finansow - studia przypadkow” zawiera 14 studiow przypadku (case study) z zarządzania i finansow. Studium przypadku jest to opis badanego obiektu (zjawiska, procesow) w określonych warunkach, miejscu i czasie. Wspolcześnie jedną z glownych metod wykorzystywanych w naukach o zarządzaniu jest wlaśnie metoda case study, a w USA i Wielkiej Brytanii jest to metoda wrecz dominująca. Polega ona na analizowaniu i omawianiu prawdziwych (lub prawdopodobnych) sytuacji, uczy podejmowania decyzji gospodarczych w konkretnych uwarunkowaniach i konsekwencji tych decyzji dla przedsiebiorstwa. Glownym celem stawianym publikacji jest uzupelnienie luki na rynku wydawniczym w zakresie zwartych pozycji zawierających studia przypadkow z obszaru nauk o zarządzaniu i finansach. W literaturze fachowej mozemy spotkac sie tylko z kilkoma publikacjami o zasiegu ogolnokrajowym, a takze z nielicznymi publikacjami wydanymi przez wydawnictwa o zasiegu lokalnym przed prawie dziesiecioma laty. Zaprezentowane przypadki mozna pogrupowac wedlug problemow, jakich dotyczą. Pierwsza grupa odnosi sie do zagadnien zarządzania strategicznego i marketingowego. Kolejne dotyczą zarządzania i rachunkowości w przedsiebiorstwie. Nastepna grupa omawia problemy zarządzania personelem, a ostatnia koncentruje sie na problemach zarządzania miastem, regionem i w administracji publicznej. Autorzy wyrazają przekonanie, ze prezentowana publikacja, zawierająca studia przypadkow opisujące rzeczywiste sytuacje gospodarcze i przedsiebiorstwa, bedzie wykorzystywana w procesie nauczania w wyzszych szkolach w Polsce na kierunkach ekonomicznych i zarządzania.
Managing the technical risk of performance-based building structures

AbstractDuring the past decades, the construction industry has been gradually adhering to major conceptual approaches such as those of quality, performance and risk. This paper proposes a management framework that enables the joint application of these conceptual approaches throughout the various phases of building projects – a Risk-Managed Performance- Based Building (RM-PBB) framework. This framework is based on the policies, procedures and practices of initiatives that gather international consensus, including performance-based model codes and standards, internationally recognized management principles and guidelines, standardized requirements for different types of management systems and also agreed principles of conformity assessment and auditing. This paper presents a summary of the strategic and operational components of this RM-PBB management framework. It also shows the practical outreach of the proposed framework by providing an example of application of each component of the management framewor.
Title ICOS regulates the generation and function of human CD 4 + Tregin a CTLA-4 dependent manner

Inducible co-stimulator (ICOS) is a member of CD28/Cytotoxic T-lymphocyte Antigen-4 (CTLA-4) family and broadly expressed in activated CD4+ T cells and induced regulatory CD4+ T cells (CD4+ iTreg). ICOS-related signal pathway could be activated by the interaction between ICOS and its ligand (ICOSL). In our previous work, we established a cost-effective system to generate a novel human allo-antigen specific CD4hi Treg by co-culturing their naïve precursors with allogeneic CD40-activated B cells in vitro. Here we investigate the role of ICOS in the generation and function of CD4hi Treg by interrupting ICOS-ICOSL interaction with ICOS-Ig. It is found that blockade of ICOS-ICOSL interaction impairs the induction and expansion of CD4hi Treg induced by allogeneic CD40-activated B cells. More importantly, CD4hi Treg induced with the addition of ICOS-Ig exhibits decreased suppressive capacity on alloantigenspecific responses. Dysfunction of CD4hi Treg induced with ICOS-Ig is accompanied with its decreased exocytosis and surface CTLA-4 expression. Through inhibiting endocytosis with E64 and pepstatin A, surface CTLA-4 expression and suppressive functions of induced CD4hi Treg could be partly reversed. Conclusively, our results demonstrate the beneficial role of ICOS-ICOSL signal pathway in the generation and function of CD4hi Treg and uncover a novel relationship between ICOS and CTLA-4. Citation: Zheng J, Chan P-L, Liu Y, Qin G, Xiang Z, et al. (2013) ICOS Regulates the Generation and Function of Human CD4+ Treg in a CTLA-4 Dependent Manner . PLoS ONE 8(12): e82203. doi:10.1371/journal.pone. 0082203 Editor: Olaf Rotzschke, Agency for Science, Technology and Research (A*STAR), Singapore Received July 31, 2013; Accepted October 22, 2013; Published December 2, 2013 Copyright: © 2013 zheng et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Funding: This work was supported in part by NSFC/RGC Joint Research Scheme (N_HKU 747/11), http://www.ugc. edu.hk/eng/rgc/fund/nsfc_rgc_jrs. htm; the Area of Excellence program supported by the University Grants Committee of the Hong Kong Special Administrative Region, China (AoE/M-12/06), http://www.ugc. edu.hk/eng/ugc/activity/aoes/aoes.htm. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. Competing interests: The authors have declared that no competing interests exist. * E-mail: wwtu@hkucc.hku. hk
Scholarship at UWindsor Scholarship at UWindsor Structural plumage coloration, male body size, and condition in Structural plumage coloration, male body size, and condition in the blue-black grassquit the blue-black grassquit

In birds, the colors ultraviolet, blue, and green originate from feather micro- structure rather than pigmentation. Structural plumage coloration may be maintained by sexual selection, yet there exists only limited evidence that structural colors can honestly signal individual quality. In this study, I found considerable individual variation in the blue-black to ultraviolet coloration of the wing coverts and rump of male Blue-black Grassquits ( Volatinia jacarina ), thereby revealing the potential for sexual selection on structural plumage coloration in this species. I used a principal components analysis (PCA) of four color characteristics to combine reﬂectance data into a single color score. Birds with high color scores have brighter, more intensely colored, and more saturated blue-black feathers. There was a signiﬁcant positive relationship between color scores for both body regions and male condition. There was also a positive trend between the color score of the rump region and male body size. These results support recent ﬁndings that structural plumage coloration is condition-dependent, and this type of coloration may be an honest signal of male quality in the Blue-black Grassquit. encontre´ variacio´n individual considerable en la coloracio´n negro-azulada a ultravioleta de las cobertoras alares y la rabadilla de machos de Volatinia jacarina , revelando que la coloracio´n estructural del plumaje en esta especie podrı´a estar sujeta a seleccio´n sexual. Utilice´ un ana´lisis de componentes principales (PCA) de cuatro caracterı´sticas de color para com-binar datos de reﬂectancia en un solo valor de color. Las aves con altos valores de color tienen plumas ma´s brillantes e intensamente coloreadas y ma´s saturadas de color negro-azulado. Existio´ una relacio´n positiva signiﬁcativa entre los valores de color para ambas regiones del cuerpo y la condicio´n fı´sica de los machos. Tambie´n hubo una tendencia positiva entre el valor del color de la regio´n de la rabadilla y el taman˜o corporal de los machos. Estos resultados apoyan descubrimientos recientes que demuestran que la coloracio´n estructural del plumaje depende de la condicio´n fı´sica, y que este tipo de coloracio´n puede ser una sen˜al conﬁable de la calidad de los machos de V. jacarina
Strukturen im Sand Kollektives Verhalten und Selbstorganisation bei Granulaten

Sand und andere Granulate eignen sich als Modellsubstanzen zur Untersuchung wesentlicher Aspekte von Phanomenen und Mechanismen der Selbstorganisation in Vielteilchensystemen. Es wird anhand einfacher, mit schulischen Mitteln durchfuhrbarer Experimente gezeigt, das Sand- und andere Granulatkorner, die in der Schlichtheit ihrer Gestalt und Wechselwirkungen untereinander kaum zu unterbieten sind, durch relativ unspezifische Zufuhr von mechanischer Energie zu einem kollektiven Verhalten angeregt werden konnen, das in auserst reichhaltigen und auch asthetisch ansprechenden (dissipativen) Strukturen einen sichtbaren Ausdruck findet.
Design of Discrete Frequency Coded Sequences using PSOCM for Target Detection with CAF.

This paper presents the design of Discrete Frequency Coded (DFC) sequences with good auto correlation properties using Particle Swarm Optimization with Cauchy Mutation (PSOCM) technique. The cross- ambiguity function method is used to detect the stationary and moving targets in various target detection scenarios. The contour plots of the cross-ambiguity function are computed as a function of delay and Doppler frequency shift. The results are compared with DFC sequences of the sequence lengths N = 32 and N = 100.
An elementary proof of the Eichler–Selberg trace formula

Abstract We give a purely algebraic proof of the trace formula for Hecke operators on modular forms for the full modular group SL 2 ⁢ ( ℤ ) {\mathrm{SL}_{2}(\mathbb{Z})} , using the action of Hecke operators on the space of period polynomials. This approach, which can also be applied for congruence subgroups, is more elementary than the classical ones using kernel functions, and avoids the analytic difficulties inherent in the latter (especially in weight two). Our main result is an algebraic property of a special Hecke element that involves neither period polynomials nor modular forms, yet immediately implies both the trace formula and the classical Kronecker–Hurwitz class number relation. This key property can be seen as providing a bridge between the conjugacy classes and the right cosets contained in a given double coset of the modular group.
The effect of paper structure on behaviour in a calender nip

A l'aide du microscope electronique a balayage de surface, des photomicrographies ont ete prises de sections de feuilles de papier journal faites de pâte thermo-mecanique et calandrees dans deux types de conditions industrielles. Des sections ont aussi ete prises d'une feuille faite de pâte kraft et calandree a la main. Suivant l'analyse de ces photographies, la structure de la feuille (en termes de variations locales dans l'epaisseur et la densite apparente) et les proprietes de la fibre (en termes de grosseur des fibres et l'angle des fibrilles) sont reliees au comportement mecanique de la feuille mesure dans la pince de la calandre. La calandre impose une charge plus elevee dans les regions plus denses ou plus epaisses tandis que les regions adjacentes ne subissent pas une charge aussi elevee. Dans ces regions a charge elevee, la deformation aussi est elevee, et la fraction de vide dans la feuille peut approcher zero; les fibres moins flexibles dans ces regions peuvent subir des fractures plutot qu'une deformation. L'effet que la fracture de fibres lors du calandrage peut avoir sur les proprietes mecaniques de la feuille est discute.
AUTISTIC SPECTRUM DISORDERS: CAUSAL MECHANISMS AND RECENT FINDINGS ON ATTENTION AND EMOTION

This paper provides an overview of selective research on autism. Autism forms part of a spectrum of related developmental disorders that vary in severity. Both their prevalence and severity argue for concerted efforts aimed at improving our understanding and treatment of the many individuals affected. We begin by outlining an important discovery that implicates an early prenatal insult to the developing brain stem in at least some people with autism (hereafter, the thalidomide discovery; Miller & Stromland, 1993). Several lines of evidence consistent with this claim are summarized. We then turn to recent research on early developing mechanisms of attention and emotion in autism. Evidence to be reviewed points to impairment in the disengage function of visual attention, and data are provided on the relationship between disengagement and the regulation of emotional states. Research on emotion focuses on the hypothesis, derived from the thalidomide discovery, that there may be a physical/anatomical basis to the lack of facial expressiveness in autism. We end by discussing the implications of this work for future research and for supporting children and adults with autism.
Complexity growth rates for AdS black holes with dyonic/ nonlinear charge/ stringy hair/ topological defects

In a seminal paper by Brown et al. [Phys. Rev. Lett. 116, no. 19, 191301 (2016)] a new conjecture was proposed, namely it was argued that the quantum complexity of a holographic state is equal to action of a Wheeler-DeWitt patch in the late time limit suggesting that the fastest computer in nature are the black holes. Motivated by this conjecture, in the present paper, we study the action growth rate for different types of black holes such as dyonic, nonlinear charge, stringy hair, black hole with a global monopole and a cosmic string. In general we find that action growth rates of the Wheeler-DeWitt patch is finite for these black holes at the late time approach and satisfy the Lloyd bound on the rate of quantum computation. Furthermore, in the case of a charged as well as the neutral black hole with a global monopole and a conical defect we show that the form of the Lloyd bound relation remains unaltered but the energy is modified due to the nontrivial global topology of the spacetime.
Tilburg University Perceptual evaluation of audiovisual cues for prominence Krahmer

This paper reports on two experiments with a Talking Head that explore the ability of eyebrow movements to cue focus. The first experiment tests how listeners react to synthetic stimuli in which the eyebrow movements coincide with pitch accents versus those in which these two occur on different words. Results show that subjects prefer those utterances in which pitch and eyebrow movements are aligned on the same word. The second experiment investigates whether listeners are sensitive to eyebrow movements when they have to rate the prominence of particular words in audiovisual stimuli. This experiment shows that eyebrow movements both boost the perceived prominence of words that also receive a pitch accent, and downscale the prominence of unaccented words in the immediate context of the accented word.
UvA-DARE ( Digital Academic Repository ) Focus on flow : imaging the human microcirculation in perioperative and intensive care medicine

Disclaimer/Complaints regulations If you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: https://uba.uva. nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible.
Generation, transmission, and detection of terahertz photons on an electrically driven single chip

We demonstrate single photon counting of terahertz (THz) waves transmitted from a local THz point source through a coplanar two-wire waveguide on a GaAs/AlGaAs single heterostructure crystal. In the electrically driven all-in-one chip, quantum Hall edge transport is used to achieve a noiseless injection current for a monochromatic point source of THz fields. The local THz fields are coupled to a coplanar two-wire metal waveguide and transmitted over a macroscopic scale greater than the wavelength (38 μm in GaAs). THz waves propagating on the waveguide are counted as individual photons by a quantum-dot single-electron transistor on the same chip. Photon counting on integrated high-frequency circuits will open the possibilities for on-chip quantum optical experiments.