Miracle-dz/UniFAR-FTUs huggingface dataset:
Fuzzy logic current controller for PWM rectifiers

In this paper a comparison between fuzzy logic current controller (FLC) and classical PI current controller for a LCL-filter based PWM rectifier is presented. Both simulations and experimental results are included. The current control of PWM rectifiers is implemented in voltage oriented coordinates, known as voltage oriented control (VOC). This paper also presents design process of the fuzzy logic controller based on well-known proportional-integral current controller made by backward rule. The simulations (Matlab/sup TM/, Simulink/sup TM/) of the current controllers are performed in model of the existing laboratory setup. The paper shows the step-response of the i/sub d/ current for conventional PI-controller and the proposed FLC which provides good tracking of the reference current waveform with smaller overshoot in transient for the same step in U/sub DC/.
Time Series Forecasting by means of Evolutionary Algorithms

Many physical and artificial phenomena can be described by time series. The prediction of such phenomenon could be as complex as interesting. There are many time series forecasting methods, but most of them only look for general rules to predict the whole series. The main problem is that time series usually have local behaviours that don't allow forecasting the time series by general rules. In this paper, a new method for finding local prediction rules is presented. Those local prediction rules can attain a better general prediction accuracy. The method presented in this paper is based on the evolution of a rule system encoded following a Michigan approach. For testing this method, several time series domains have been used: a widely known artificial one, the Mackey-Glass time series, and two real world ones, the Venice Lagon and the sunspot time series.
Formation of amyloid fibrils from fully reduced hen egg white lysozyme

The fully reduced hen egg white lysozyme (HEWL), which is a good model of random coil structure, has been converted to highly organized amyloid fibrils at low pH by adding ethanol. In the presence of 90% (v/v) ethanol, the fully reduced HEWL adopts β‐sheet secondary structure at pH 4.5 and 5.0, and an α‐to‐β transition is observed at pH 4.0. A red shift of the Congo red absorption spectrum caused by the precipitation of the fully reduced HEWL in the presence of 90% (v/v) ethanol is typical of the presence of amyloid aggregation. EM reveals unbranched fibrils with a diameter of 2–5 nm and as long as 1–2 μm. The pH dependence of the initial structure of the fully reduced HEWL in the presence of 90% (v/v) ethanol suggests that Asp and His residues may play an important role.
UPF Tracking Algorithm Based on Color Distribution and Simulated Annealing

In human body tracking, the quick and reliable position estimation is difficult and plays an important role. A new tracking algorithm for human body tracking, which is the unscented particle filter based on color distribution and simulated annealing (SACD-UPF), is proposed in this paper. Unscented particle filter (UPF) has proven successful for nonlinear and non-Gaussian estimation problem. However, the computational cost of the UPF is very great. Considering the veracity and reducing computational cost, the UPF is combined with color distribution and simulated annealing. Color distribution is applied, as it is robust to partial occlusion, is scale invariant and computationally efficient. And simulated annealing has the characteristics such as robustness and high efficiency, which can economize the computation time. The unscented particle filter based on the above two schemes, one is color distribution and the other is simulated annealing, which are used to track the human body movement. Experimental results indicate that the proposed algorithm is robust and practical.
Quality of Care in Women With Ischemic Stroke in the GWTG Program

Background and Purpose— Prior studies have suggested worse poststroke outcomes in women. We sought to examine sex differences in quality of care (QOC) in the Get With The Guidelines-Stroke (GWTG-Stroke) program. Methods— We analyzed the relationships between sex and QOC as well as outcomes (in-hospital mortality and discharge home) using multivariable logistic regression models in 383 318 acute ischemic stroke admissions from 1139 hospitals that participated in the GWTG-Stroke program between 2003 to 2008. QOC was measured using 7 predefined performance measures and a defect-free care summary measure (defined as the proportion of patients who received all eligible interventions). Results— Compared to men, women were older and more likely to present by ambulance. They were also more likely to have a past medical history of atrial fibrillation or hypertension, and less likely to have a history of heart disease, dyslipidemia, or smoking. Although sex differences in individual performance measures were relatively modest they consistently identified women as being less likely to receive care compared to men. Overall, women received less defect-free care than men (66.3% versus 71.1%, adjusted odds ratio [aOR]=0.86; 95% confidence interval [CI] 0.85 to 0.87) and were less likely to be discharged home (41.0% versus 49.5%, aOR=0.84, 95% CI 0.83 to 0.85). Although crude mortality was higher in women (6.0% versus 5.2%), this difference was eliminated after risk adjustment (aOR=1.03, 95% CI 0.99 to 1.06). Conclusions— Quality of care for women with ischemic stroke was lower than that for men, and women were less likely to be discharged home. Further study is warranted to identify the causes and consequences of these sex-based differences in care.
Mechanism of Ventricular Defibrillation for Near-Defibrillation Threshold Shocks: A Whole-Heart Optical Mapping Study in Swine

Background—To study the mechanism by which shocks succeed (SDF) or fail (FDF) to defibrillate, global cardiac activation and recovery and their relationship to defibrillation outcome were investigated for shock strengths with approximately equal SDF and FDF outcomes (DFT50). Methods and Results—In 6 isolated pig hearts, dual-camera video imaging was used to record optically from ≈8000 sites on the anterior and posterior ventricular surfaces before and after 10 DFT50 biphasic shocks. The interval between the shock and the last ventricular fibrillation activation preceding the shock (coupling interval, CI) and the time from shock onset to 90% repolarization of the immediate postshock action potential (RT90) were determined at all sites. Of 60 shocks, 31 were SDF. The CI (59±7 versus 52±6 ms) and RT90 (108±19 versus 88±8 ms) were significantly longer for SDF than FDF episodes. Spatial dispersions of CI (36±5 versus 34±3 ms) and RT90 (40±16 versus 40±8 ms) were not significantly different for SDF versus FDF episodes. The first global activation cycle appeared focally on the left ventricular apical epicardium 78±32 ms after the shock. Conclusions—For near-threshold shocks, defibrillation outcome correlates with the electrical state of the heart at the time of the shock and on RT. Global dispersion of RT was similar in both SDF and FDF episodes, suggesting that it is not crucial in determining defibrillation outcome after DFT50 shocks.
Age-related change in corneal biomechanical parameters in a healthy Caucasian population

ABSTRACT Purpose: To determine the effect of aging on corneal biomechanical parameters measured via ocular response analyzer in a homogenous healthy Caucasian population. Methods: A total of 2039 Caucasian adults were consecutively recruited and divided into seven groups according to decades of age. The difference in mean corneal hysteresis (CH), mean corneal resistance factor (CRF), mean Goldmann-correlated intraocular pressure (IOPg), and mean corneal-compensated IOP (IOPcc) between decades of age were investigated. The strength of the correlations between corneal biomechanical parameters, and between each biomechanical parameter and age were evaluated. The effect of age on each corneal biomechanical parameter was analyzed. Results: Mean age of the participants (1173 female and 866 male) was 43.30 ± 14.64 years. Mean CH, CRF, IOPcc, and IOPg were 11.49 ± 1.89 mmHg, 11.40 ± 2.30 mmHg, 15.01 ± 3.11 mmHg, and 15.72 ± 3.80 mmHg, respectively. There were significant differences in mean CH, CRF, IOPcc, and IOPg between groups (p < 0.001 for all parameters). There was a significant negative correlation between age and CH (r = –0.067 and p = 0.003), and a significant negative correlation between age and CRF (r = –0.053 and p = 0.017). There was a significant positive correlation between age and IOPg (r = 0.25 and p < 0.001), and between age and IOPcc (r = 0.20 and p < 0.001). Linear regression analysis showed that for every 1-year increase CH decreased 0.011 mmHg, CRF decreased 0.004 mmHg, IOPcc increased 0.053 mmHg, and IOPg increased 0.047 mmHg. Conclusions: Aging can cause significant changes in corneal biomechanical parameters. Corneal biomechanical parameters were correlated with each other, and each was correlated with aging.
A Review on Geometric Invariant Digital Image Watermarking Techniques

In recent days the computer communication and the usage of multimedia data is enormous in the Internet, so protection of those data from malicious attacks and signal processing operations are very important. In specific, geometric attacks are considered as serious attacks which make watermarked work get distorted such that it is difficult to extract hidden information. In this paper the detailed study is made on the various geometric attacks invariant watermarking algorithms and also a comparative study report is present for geometric attacks invariant watermarking systems.
Machine Systems—Human factors

Software needs to grow up and become responsible for itself and its own future by participating in its own installation and customization, maintaining its own health, and adapting itself to new circumstances, new users, and new uses. To create such software will require us to change some of our underlying assumptions about how we write programs. A promising approach seems to be to separate software that does the work (allopoietic) from software that keeps the system alive (autopoietic).
Identiﬁcation and Characterization of SAP25, a Novel Component of the mSin3 Corepressor Complex

The transcriptional corepressor mSin3 is associated with histone deacetylases (HDACs) and is utilized by many DNA-binding transcriptional repressors. We have cloned and characterized a novel mSin3A-binding protein, SAP25. SAP25 binds to the PAH1 domain of mSin3A, associates with the mSin3A-HDAC complex in vivo, and represses transcription when tethered to DNA. SAP25 is required for mSin3A-mediated, but not N-CoR-mediated, repression. SAP25 is a nucleocytoplasmic shuttling protein, actively exported from the nucleus by a CRM1-dependent mechanism. A fraction of SAP25 is located in promyelocytic leukemia protein (PML) nuclear bodies, and PML induces a striking nuclear accumulation of SAP25. An isotope-coded afﬁnity tag quantitative proteomic analysis of the SAP25 complex is of the nuclear export machinery, and regulators of and that is a component of corepressor in methionine-free media for 30 min and labeled with 0.25 mCi/ml of [ 35 S]methionine for 4 h. Anti-SAP25 rabbit polyclonal antibody was raised against His-tagged, full-length SAP25 produced by baculoviral expression. A ca. 25-kDa protein band detected by immunoprecipitation of [ 35 S]Met- labeled cell lysates or by immunoblotting using this antibody can be blocked by preincubating the antibody with the immunogen, verifying the speciﬁcity of the antibody. Anti-HDAC2 was obtained from Ed Seto. Anti-mSin3A rabbit poly-*
Fast Switched Backplane for a Gigabit Switched Router

by Nick McKeown (tel: 650/725-3641; fax: 650/725-6949; email: nickm@stanford.edu) a professor of electrical engineering and computer science at Stanford University. He received his PhD from the University of California at Berkeley in 1995. From 1986-1989 he worked for Hewlett-Packard Labs, in their network and communications research group in Bristol, England. In spring 1995, he worked for Cisco Systems as an architect of the Cisco 12000 GSR router. Nick serves as an editor for the IEEE Transactions on Communications. He is the Robert Noyce Faculty Fellow at Stanford and recipient of a fellowship from the Alfred P. Sloan Foundation. Nick researches techniques for high-speed networks, including high-speed Internet routing and architectures for high-speed switches. More recently, he has worked on the analysis and design of cell-scheduling algorithms, memory architectures and the economics of the Internet. His research group is currently building the Tiny Tera; an all-CMOS Terabit-per-second network switch.
Music Identification Using Chroma Features

In this paper some specific issues related to Music Information Retrieval (MIR) are presented. First part is dedicated to introductive notions from this field in the field, and second part is dedicated to giving details about the system we built for MusiCLEF 2011. An important aspect related to our work is related to searching metrics able to allow us to identify an audio recording in a database with existing songs. Our system uses chroma features associated to a song and apply on it many types of metrics. Some of these metrics wants to find more accurate song of which part of that fragment belong to and other metrics are used to enable us to do this as quickly as possible.
Fault-Tolerance through Message-logging and Check-pointing: Disaster Recovery for CORBA-based Distributed Bank Servers

This report presents results of our endeavor towards developing a failure-recovery variant of a CORBA-based bank server that provides fault tolerance features through message logging and checkpoint logging. In this group of projects, three components were developed to satisfy the requirements: 1) a message-logging protocol for the branch servers of the distributed banking system to log required information; 2) a recovery module that restarts the bank server using the message log to help the restarted bank server process subsequent requests for various operations; 3) a monitor module that periodically checks whether the bank server is down and helps the recovery module restart the bank server if the latter has crashed.
RPE65 is highly uveitogenic in rats.

PURPOSE To examine the hypothesis that RPE65, a protein specific to the retinal pigment epithelium, is uveitogenic in rats. METHODS Rats of four inbred strains (Lewis, Brown Norway, Fischer, and SHR) were immunized with native or recombinant bovine RPE65, or with S-antigen (S-Ag), emulsified with complete Freund adjuvant, and treated simultaneously with killed Bordetella pertussis bacteria, as indicated. Development of ocular changes was examined and scored both clinically and histologically. RESULTS Lewis rats immunized with RPE65 showed development of acute and severe inflammatory eye disease that affected most ocular tissues. The minimum uveitogenic dose of RPE65 was similar to that of S-Ag (1 microg per rat), but the changes induced by RPE65 at higher dose ranges were less severe than those induced by S-Ag. Concurrent treatment of the RPE65-immunized rats with B. pertussis bacteria was not critical for disease induction, but enhanced dramatically the pathogenic reaction. Unlike the results with several other retinal proteins, no pinealitis was detected in rats immunized with RPE65. Fischer (F344) rats resembled Lewis rats in being similarly affected by RPE65 or S-Ag. In contrast, Brown Norway (BN) rats developed severe disease when immunized with RPE65, but showed minimal changes in response to S-Ag. SHR rats responded poorly to disease induced by RPE65, and S-Ag-induced disease failed to develop. CONCLUSIONS RPE65 is highly uveitogenic in rats, thus suggesting that this molecule could be involved in pathogenic autoimmunity in the human eye.
Combined pose-wrench and state machine representation for modeling Robotic Assembly Skills

A new Robotic Assembly Skill (RAS) modeling framework is proposed. An assembly skill is a primitive that encapsulates the capabilities to coordinate, control and supervise an elementary robot task. To gain reusability of a primitive in alike robot tasks, the primitives are represented as generic templates that are parametrized for each situation with data from an assembly specification. A skill is represented in two ways, namely as a trajectory describing compliant motions in pose-wrench space and as a finite state machine. This approach comes with the potential to simplify robot programming and to improve robustness in robotic assembly due to inherent quality checking. The approach is implemented on an ABB YuMi robot performing the assembly of a programmable logic controller (PLC) I/O module.
Circadian effects on the acute responses of salivary cortisol and IgA in well trained swimmers

Objective: To examine whether time of day significantly affects salivary cortisol and IgA levels before and after submaximal swimming. Methods: Fourteen male competitive swimmers (mean (SD) age 18 (3.2) years) volunteered to participate in the study. In a fully randomised, cross over design, each subject performed 5 × 400 m front crawl at 85 (1.2)% of their seasonal best time (277 (16) seconds), with one minute rest between each 400 m, at 0600 and 1800 hours on two separate days. Timed, unstimulated saliva samples were collected before and after exercise. Saliva samples were analysed for cortisol and IgA by radioimmunoassay and single radial immunodiffusion respectively. Results: Significant time of day effects (am and pm respectively) were observed in IgA concentration (0.396 (0.179) v 0.322 (0.105) mg/ml, p<0.05), IgA secretory rate (0.109 (0.081) v 0.144 (0.083) mg/min, p<0.01), and saliva flow rate (0.31 (0.23) v 0.46 (0.22) ml/min, p<0.001) before exercise (all values mean (SD)). Differences in cortisol levels before exercise (1.09 (0.56) v 0.67 (0.94) μg/dl) approached significance (p = 0.059). The exercise protocol did not significantly affect IgA concentration and secretory rate (p>0.05) but, in comparison with values before exercise, caused significant alterations in cortisol (p<0.01) and saliva flow rate (p<0.01). There was no significant interaction effect of time of day by exercise on any salivary variables measured (p>0.05). However, most of the values of the salivary variables before exercise were significantly inversely related to their exercise induced response (p<0.05). Conclusion: These results suggest a significant circadian variation in the variables measured before exercise, without showing a significant effect on their acute responses to exercise.
Development of the Common Data Base for the FICSIT Trials

The eight FICSIT (Frailty and Injuries: Cooperative Studies of Intervention Techniques) sites test different intervention strategies in selected target groups of older adults. To compare the relative potential of these interventions to reduce frailty and fall‐related injuries, all sites share certain descriptive (risk‐adjustment) measures and outcome measures. This article describes the shared measures, which are referred to as the FICSIT Common Data Base (CDB). The description is divided into four sections according to the four FICSIT committees responsible for the CDB: (1) psychosocial health and demographic measures; (2) physical health measures; (3) fall‐related measures; and (4) cost and cost‐effectiveness measures. Because the structure of the FICSIT trial is unusual, the CDB should expedite secondary analyses of various research questions dealing with frailty and falls.
Determination of the optimum dose per fraction in fractionated radiotherapy when there is delayed onset of tumour repopulation during treatment.

The choice of fractionation in radiotherapy involves a compromise between a number of competing radiobiological factors. The severity of late normal tissue effects may be highly dependent on fraction size, thus requiring the dose per fraction to be relatively small. This in turn leads to more fractions being used in order to maintain the tumour effect, resulting in a longer overall treatment time. In contrast, tumours possessing short clonogen doubling times ideally require shorter treatment times for improved tumour cell kill in order to reduce the impact of tumour cell repopulation. A mathematical model has been previously developed to investigate ways of optimizing the theoretical treatment outcome by estimating the optimum dose per fraction required for a given set of radiobiological parameters [1, 2]. The earlier model assumed that tumour repopulation proceeds at a constant rate right from the initiation of treatment, i.e. that there is no delay time before the repopulation process begins. However, especially for head and neck tumours, there is evidence for the existence of a lag time before the onset of compensatory re-growth [3, 4]. This report describes a modification to the earlier model and which provides a non-analytical, re-iterative, method for deriving the optimum dose per fraction which produces the maximum biologically effective dose (BED) to the tumour in the presence of a delayed start to repopulation.
All-pairs shortest paths with a sublinear additive error

We show that, for every 0 ≤ <i>p</i> ≤ 1, there is an <i>O</i>(<i>n</i><sup>2.575−<i>p</i>/(7.4−2.3<i>p</i>)</sup>)-time algorithm that given a directed graph with small positive integer weights, estimates the length of the shortest path between every pair of vertices <i>u</i>, <i>v</i> in the graph to within an additive error Δ<sup><i>p</i></sup>(<i>u</i>, <i>v</i>), where Δ(<i>u</i>, <i>v</i>) is the exact length of the shortest path between <i>u</i> and <i>v</i>. This algorithm runs faster than the fastest algorithm for computing exact shortest paths for any 0 < <i>p</i> ≤ 1. Previously the only way to “beat” the running time of the exact shortest path algorithms was by applying an algorithm of Zwick [2002] that approximates the shortest path distances within a multiplicative error of (1 + ε). Our algorithm thus gives a smooth qualitative and quantitative transition between the fastest <i>exact</i> shortest paths algorithm, and the fastest approximation algorithm with a linear additive error. In fact, the main ingredient we need in order to obtain the above result, which is also interesting in its own right, is an algorithm for computing (1 + ε) multiplicative approximations for the shortest paths, whose running time is faster than the running time of Zwick's approximation algorithm when ε ≪ 1 and the graph has small integer weights.
Oxygen Isotope Composition of Water in Martian Meteorites

The oxygen isotope composition of water extracted from Martian meteorites appears not to be in isotopic equilibrium with the silicate portion of the meteorites. This disequilibrium suggests the existence of multiple distinct oxygen isotope reservoirs on planet Mars. Here we present oxygen isotope measurements of waters extracted from Martian shergottites Tissint, Zagami and NWA-7042 and from nakhlite NWA-10153. These waters were extracted by stepwise heating to preserve segregation between low temperature adsorbed waters, intermediate temperature mineral waters and the high temperature mineral structural OH groups. The results of our study, analyzed cooperatively with previous work by Karlsson et al., (1992) and Agee et al., (2013), show that two isotopically distinct water reservoirs exist on Mars. The isotopic influence of these two reservoirs is preserved in two distinct groups of Martian meteorites. Martian shergottites preserve the isotopic composition of Martian mantle waters while nakhlites and Chassigny preserve a contribution from a reservoir elevated in O. The presence of low temperature aqueous alteration minerals in nakhlites and Chassigny suggests that the elevated O component is sourced from Martian near-surface waters. Based on oxygen