Miracle-dz/UniFAR-FTUs huggingface dataset:
High-frequency quasi-resonant and multi-resonant converter technologies

ContentsResonant-switch topologies operating under the principle of zero-current switching and zero-voltage switching are introduced to minimize switching losses, stresses and noises. Employing the resonant-switch concept, the family of quasi-resonant converters (QRCs) and the family of multiresonant converters (MRCs) are derived from the conventional PWM converters. They are capable of operating in megahertz range, with a significant improvement in performance and power density. Characteristics of these QRCs and MRCs are reviewed and their relative merits and limitations are assessed. ÜbersichtEs werden Schwingkreis-Topologien vorgestellt, die nach dem Prinzip des Nullstromschalters und des Nullspannungsschalters arbeiten und damit Schaltverluste, Beanspruchungen und Rauschen minimieren. Nach diesem Konzept entstehen aus den herkömmlichen PWM-Umrichtern. Familien von Umrichtern mit Quasi-Resonanz und Multi-Resonanz. Sie können im Megahertz-Bereich arbeiten und weisen deutliche Verbesserungen des Betriebsverhaltens und der Leistungsdichte auf. Die Charakteristika solcher Schaltungen werden untersucht und ihre jeweiligen Vorzüge und Grenzen betrachtet.
AERONAUTICAL DECISION MAKING: METAPHORS, MODELS, AND METHODS. IN: PRINCIPLES AND PRACTICE OF AVIATION PSYCHOLOGY

Decision making is perhaps the most central single topic to the question of effective human performance in aviation. Even though various automated aids have taken over many of the tasks that used to be required of the aviator, the final step of eliminating the pilot as well has not been taken. The analysis of NTSB data showing the preponderance of decision making errors in fatal general aviation accidents has ignited a considerable body of interest in the topic of decision making and in seeking ways of improving decision making in pilot training. The field of aeronautical decision making is likely to become increasingly central to future research on human performance in the technologically driven field of aviation.
Alexanderplatz : Städtebaulicher Ideenwettbewerb = urban planning ideas competition

Located in the heart of Berlin, Alexanderplatz is associated with the famous novel by Alfred Doeblin, with the avantgarde designs of Mies van der Rohe, and with the office buildings of Peter Behrens. In the former GDR, it was the capital's major square. Today it assumes a key position in the future development of Berlin. The future form of Alexanderplatz was determined in an ideas competition. Hans Kollhoff, the competition winner, designed, through a significant ensemble of high-rises, a new city district which sets new standards for Berlin. The second prize was awarded to Daniel Libeskind who presented his avantgarde concept of the square with consummate ease. This volume provides an introduction covering the history of Alexanderplatz, while the remainder of the book documents the competition proceedings which stimulated heated debates on the future of Berlin.
Asset health prediction using condition indicators and operating environment indicators - A case study

Prognostics and asset life prediction is one of research potentials in engineering asset health management. We previously developed the Explicit Hazard Model (EHM) to effectively and explicitly predict asset life using three types of information: population characteristics; condition indicators; and operating environment indicators. We have formerly studied the application of both the semi-parametric EHM and non-parametric EHM to the survival probability estimation in the reliability field. The survival time in these models is dependent not only upon the age of the asset monitored, but also upon the condition and operating environment information obtained. This paper is a further study of the semi-parametric and non-parametric EHMs to the hazard and residual life prediction of a set of resistance elements. The resistance elements were used as corrosion sensors for measuring the atmospheric corrosion rate in a laboratory experiment. In this paper, the estimated hazard of the resistance element using the semi-parametric EHM and the non-parametric EHM is compared to the traditional Weibull model and the Aalen Linear Regression Model (ALRM), respectively. Due to assuming a Weibull distribution in the baseline hazard of the semi-parametric EHM, the estimated hazard using this model is compared to the traditional Weibull model. The estimated hazard using the non-parametric EHM is compared to ALRM which is a well-known non-parametric covariate-based hazard model. At last, the predicted residual life of the resistance element using both EHMs is compared to the actual life data.
Effect of Finite Pulse Length and Laser Frequency Chirp on HGHG and EEHG Seeding

Theoretical studies of high-gain harmonic generation (HGHG) and echo-enabled harmonic generation (EEHG) often start from a simplified model in which the beam is assumed infinitely long and longitudinally uniform and the laser induced energy modulation is perfectly sinusoidal and of infinite duration. In such a model the resulting seed has a spectrum consisting of a collection of delta-functions (of zero width) located at the harmonics of the laser frequency. Being a useful tool for study of the seed bunching amplitudes, such a model cannot be used for realistic analysis the spectral properties of the seed. In this paper we take into account the finite duration of the laser pulse as well as some possible laser phase errors to study their effect on the spectrum of the seed.
Cemented versus Uncemented Partial Knee Arthroplasty Trial – The CUPKAT Trial – A prospective, randomized controlled trial

BackgroundCemented Oxford unicompartmental knee arthroplasty (OUKA) has shown excellent clinical and functional long-term results as a treatment option for patients with end-stage anteromedial osteoarthritis of the knee. Despite the good long-term results that have been reported in the literature, registry data show that aseptic loosening and pain associated with the appearance of commonly seen radiolucencies around the tibial component are the most common causes for revision surgery in cemented OUKA. In order to address these problems, the cementless OUKA has been developed. Initial studies indicate excellent clinical short-term results for cementless OUKA although the risk of tibial head fracture seems to be elevated and long-term results are not yet available. Given the ongoing debate about the benefits or disadvantages of cementless fixation in knee arthroplasty, there is a need for independent level I and level II studies in order to assess the safety and equivalence of cementless OUKA in comparison to the well-documented clinical results of the cemented OUKA.Methods/DesignThis study has a prospective, randomized, controlled, double-centre, non-inferiority design. A total of 306 Patients with anteromedial OA will be randomized to cementless or cemented OUKA either at the Heidelberg University Hospital or at the Kepler University Hospital Linz. As primary outcome measure we evaluate the Oxford Knee Score (OKS) to compare clinical and functional results 2 years after cemented versus uncemented OUKA.Secondary outcome measures include clinical and functional scores as measured with the American Knee Society Score (AKSS), UCLA Activity Score, Knee Injury and Osteoarthritis Outcome Score (KOOS), Forgotten Knee Score (FJS-12), Visual Analog Pain Score (VAS), and health related quality of life questionaire (EQ-5D). In addition, complications such as the occurrence of periprosthetic fractures or implant loosening, incidence of radiolucencies and reoperation rates among others will be evaluated as secondary outcome measures and compared between the two groups. A subgroup of patients (n=150) will be asked to undergo additional radiographic DXA measurement to assess the changes in bone mineral density around the femoral and tibial components preoperatively and two years after surgery.Trials RegistrationPrior to the beginning of the clinical phase (FPI) we registered the trial at Deutsches Register Klinischer Studien (German Clinical Trials Register) with the registration number: DRKS00021303. Registered 30 April 2020. The Registration will be forwarded to the to the WHO within the next update (within the next 4 weeks) and will be searchable via its Meta-registry ( http://apps.who.int/trialsearch/ ).
Screening and identification of potential novel lipid biomarkers for non‐small cell lung cancer using ultra‐high performance liquid chromatography tandem mass spectrometry

Lung cancer is characterized by a high incidence rate and low survival rate. It is important to achieve early diagnosis of the disease. We applied ultra‐high performance liquid chromatography tandem mass spectrometry to screen plasma lipid spectrum in non‐small cell lung cancer (NSCLC) patients, healthy controls (HC), and community‐acquired pneumonia (CAP) patients. Modeling employing orthogonal partial least squares‐discriminant analysis combined with t‐test was used to screen the differential lipids. Logistic regression analysis was used to establish the diagnostic model, while the accuracy was verified by 10‐fold cross‐validation. The results showed that the abnormal metabolism of lipid in NSCLC mainly comprised fatty acid metabolism, phospholipid metabolism, and glyceride metabolism. Four potential biomarkers, including LPC (14:0/0:0), LPI (14:1/0:0), DG (14:0/18:2/0:0), and LPC (16:1/0:0), were fitted by the receiver operating characteristic curve model with the area under curve (AUC) value of 0.856, and the specificity and sensitivity were 87.0 and 78.0%, respectively. The results of cross validation showed that the AUC value of the model was 0.812, the sensitivity was 72.9%, and the specificity was 82.6%. The positive rate of four potential lipid biomarkers in this study (>60.0%) was higher than that of existing tumor biomarkers in the clinical application. We investigated the plasma lipid profile of NSCLC patients and identified lipid biomarkers with potential diagnostic values. From the lipidomics perspective, our study may lay a foundation for the biomarker‐based early diagnosis of lung cancer.
Validation of a virtual reality tool to test consumer response in supermarket settings

Recently, researchers have been looking for other possibilities. For example, a team from Holland (Waterlander et al. 2011), has created a simulation of a supermarket with a traditional computer setup, meaning screen, mouse, and keyboard and virtual shopping is a growing field of research Westland & Au, Lee & Chung (2014). With recent developments and availability of head mounted displays, such as the Oculus Rift, it is possible to create even more realistic simulations, where actual body movements are used to control the interaction with the computer instead of the mice and keyboard. The obvious advantage is that the food environments are developed at virtually no cost, other than time when creating and texturing the models. The aim of this study was to carry out a usability test of the virtual supermarket tool (VST) that simulate a real life check-out experience at the cash register in a supermarket and allows for studies of food consumption and food choice behaviour.
STUDY ON LEARNING THE BOCCE-SPECIFIC TECHNIQUE

The truth that the physical exercises practiced either independently or systematically has beneficial effects on the whole body has long been demonstrated and supported by empirical or scientific studies. Subsequently, this assertion was also proved in the case of people with intellectual disabilities. For this category of population, the level of learning various motor skills is different from one individual to another. There are periods when the learning is very fast, the pace being close to that of valid individuals. However, these periods alternate with periods of stagnation or even regression. In the learning phase, successful attempts are rare and technically incorrect. Gradually, people with Down syndrome manage to learn the technique specific to a sport discipline and commonly use it according to their needs and the specific circumstances. In this context, the present study aimed to identify how athletes with Down syndrome have learned and enhanced the technique specific to the game of bocce, especially the technique of releasing the ball. For this, we tested 16 athletes with Down syndrome (10 children and 6 adults; 8 girls and 8 boys) who were members of the target group included in the Erasmus+ Sport 590526 project. The methods used to conduct the study were: documentation, experiment, statistics and graphical representation. The test applied to the research subjects, namely the divisioning bocce test, resulted in the recording of higher performances for 10 athletes, while the performances of the other athletes were not statistically significant.
An Engineering Technology Skills Framework that Reflects Workforce Needs on Maui and the Big Island of Hawai'i

The Akamai Workforce Initiative (AWI) is an interdisciplinary effort to improve science/engineering education in the state of Hawai‘i, and to train a diverse population of local students in the skills needed for a high-tech economy. In 2009, the AWI undertook a survey of industry partners on Maui and the Big Island of Hawai‘i to develop an engineering technology skills framework that will guide curriculum development at the U. of Hawai‘i – Maui (formerly Maui Community College). This engineering skills framework builds directly on past engineering-education developments within the Center for Adaptive Optics Professional Development Program, and draws on curriculum development frameworks and engineering skills standards from the literature. Coupling that previous work with reviews of past Akamai Internship projects and information from previous conversations with the local high-tech community led to a structured-interview format where engineers and managers could contribute meaningful commentary to this framework. By incorporating these local high-tech companies’ needs for entry-level engineers and technicians, a skills framework emerges that is unique and illuminating. Two surprising features arise in this framework: (1) “technician-like” skills of making existing technology work are on similar footing with “engineer-like” skills of creating new technology; in fact, both engineers and technicians at these workplaces use both sets of skills; and (2) project management skills are emphasized by employers even for entry-level positions. 1. Overview of the Akamai Workforce Initiative The Akamai Workforce Initiative (AWI) partners high-tech industry, astronomical observatories, cutting-edge research, and inventive education to meet needs in astronomy, remote sensing, and other technology industries in Hawai‘i. The AWI provides training in electro-optics for a diverse student population through an innovative, culturallyrelevant curriculum, designed to meet workforce needs. At the heart of the AWI are http://kopiko.ifa. hawaii.edu/akamai/
THE RELATION BETWEEN LOS ANGELES ABRASION TEST RESULTS AND THE SERVICE RECORDS OF COARSE AGGREGATES

IN GENERAL, IT APPEARS THAT THERE IS A DEFINITE RELATION BETWEEN THE LOSS IN THE LOS ANGELES ABRASION TEST AND THE SERVICE RECORD OF MATERIALS USED IN CONCRETE, BITUMINOUS CONSTRUCTION, AND SURFACE TREATMENT. ON THE BASIS OF THE DATA AVAILABLE, THE FOLLOWING PERCENTAGES OF WEAR APPEAR TO BE SUITABLE FOR USE IN SPECIFICATIONS TO CONTROL THE QUALITY OF COARSE AGGREGATES: CONCRETE 50%, BITUMINOUS SURFACING 40%, SURFACE TREATMENT 40%. DEFINITE CORRELATIONS BETWEEN THE LOSS IN THE LOS ANGELES TEST AND THE STRENGTH OF CONCRETE ARE FOUND, NAMELY, THE LOWER THE PERCENTAGE OF WEAR, THE HIGHER THE CONCRETE STRENGTH. DEFINITE CORRELATIONS ARE ALSO FOUND WITH THE RESULTS OF A CIRCULAR TRACK ROLLER TEST AND A TEST FOR SOFT OR FRIABLE PIECES. IT APPEARS THAT THE LOS ANGELES TEST GIVES ACCURATE INDICATION OF THE QUALITY OF THE MATERIAL UNDER TEST, AND THAT ITS USE IN SPECIFICATIONS CONTROLLING THE ACCEPTANCE OF COARSE AGGREGATE IS WARRANTED. /AUTHOR/
EFECTO DEL CLORHIDRATO DE ZILPATEROL Y LA VITAMINA D3 SOBRE LA CALIDAD DE LA CARNE EN NOVILLAS COMERCIALES Effects of Zilpaterol Hydrochloride and Vitamin D3 on Beef Quality in Commercial Heifers

Twenty Longissimus dorsi muscles were collected from carcasses of crossbred heifers in feedlot to evaluate the effects of zilpaterol hydrochloride (Zilmax®, Intervet) (Z), 6 millions IU/d of dietary vitamin D 3 (D) in the diet, and their combination on shear force values (raw and cooking) and sensorial evaluation. Samples were taken from carcasses of heifers that previously received one of the following treatments: control (C),(Z),(D) and their combination (ZD). Data were analyzed by analysis of variance and mean separation was performed by Duncan’s multiple range test. Shear force values of cooked meat for Z and ZD were different (P <0.05) and needed 52% more Kgf than C and D (16.31, 15.63, 8.79, 6.55 Kg) respectively. Shear force values for raw meat were not different between treatments. Sensorial evaluation indicated differences between treatments (P<0.05) except for Total Appearance. C and D were perceived as “slightly-moderately soft”, whereas Z and ZD were “slightly soft” . ZD was dryer than C, Z and D. Z and D were “moderately intense” in flavor. The fatty flavor by treatment was determined as “traces” for C, D and ZD when compared to Z. Connective tissue for Z and ZD was “slight”; “traces”for C and “practically none” for D. C had a “red dark” color, Z and ZD showed a slight “red color”, while D was “cherry red”. In conclusion, the use of Z and ZD increased shear force in cooked meat and did not improve organoleptic characteristics in meat. D had lower shear force values (Kgf) and appreciably less connective tissue quantity.
AB-Net: A Novel Deep Learning Assisted Framework for Renewable Energy Generation Forecasting

Renewable energy (RE) power plants are deployed globally because the renewable energy sources (RESs) are sustainable, clean, and environmentally friendly. However, the demand for power increases on a daily basis due to population growth, technology, marketing, and the number of installed industries. This challenge has raised a critical issue of how to intelligently match the power generation with the consumption for efficient energy management. To handle this issue, we propose a novel architecture called ‘AB-Net’: a one-step forecast of RE generation for short-term horizons by incorporating an autoencoder (AE) with bidirectional long short-term memory (BiLSTM). Firstly, the data acquisition step is applied, where the data are acquired from various RESs such as wind and solar. The second step performs deep preprocessing of the acquired data via several de-noising and cleansing filters to clean the data and normalize them prior to actual processing. Thirdly, an AE is employed to extract the discriminative features from the cleaned data sequence through its encoder part. BiLSTM is used to learn these features to provide a final forecast of power generation. The proposed AB-Net was evaluated using two publicly available benchmark datasets where the proposed method obtains state-of-the-art results in terms of the error metrics.
Dynamics of drivers' route choice decisions under advanced traveller information systems

This paper presents the findings from a travel behaviour survey that was conducted on a congested commuting corridor in Brisbane. Drivers' responses to travel information from a variety of sources are analysed and presented. A number of discrete-choice models that were formulated to analyse the impacts of socio-economic, context and information variables on individual behaviour and the propensity to change route and adjust travel patterns are also presented. The results from these models clearly indicate that enroute prescriptive, predictive and quantitative real-time delay information is most effective in influencing drivers to change their routes. The results reported in this paper provide a useful insight into the factors influencing travel behaviour and route choice along the corridor. Furthermore, the behavioural models describing drivers' route choice decisions will also provide road authorities with a valuable tool to design and evaluate effective traveller information strategies aimed at influencing travel behaviour, reducing congestion and enhancing the performance of the road network. Language: en
User Handover in a Cross Media Device Environment, ACoaching Service for Physical Activity

Multi-device systems can be used in different contexts, for example in a persuasive setting to help people change their lifestyle. It has been shown that by giving regular feedback, positive results can be reached for changing people’s behaviour. In a multi-device system the user should be able to interact with the device that is most appropriate for the interaction in a given situation. A way to ensure this is by using user handover between devices. The user object should be assigned to the device which fulfills a certain interaction the best. We can take the user handover a step further and also synchronize user information between the devices when a handover takes place. Now other devices also know the user information that resulted from dialogues they were not used for. Inter-usability is about how easily users can reuse their knowledge and skills for an action when using a different device. Better interusability in a multi-device system enables users to switch more easily between these devices. It requires knowledge continuity and task continuity. Knowledge continuity is about how to retrieve and adapt knowledge or data which is managed with the system. Task continuity is about remembering the last operations done with the system, irrespective of which device this last operation is done with. The goal of this project is to implement the user handover for a multi-device system and ensure inter-usability between the different devices in this system. This is done by implementing a multi-device system for helping office users in achieving and maintaining a healthy lifestyle. This system is evaluated with six test participants, which demonstrated the correct working of the system.
Service Design 101: The joy and challenge of introducing service design into an undergraduate design curriculum

This paper describes the introduction of service design into a university design course that previously promoted itself as industry-based and practice-driven—but which had not necessarily kept pace with the contemporary meanings of these terms. The followings discuss the need to teach service design in Western Australia. These are being highlighted through the latest development in business community, government and NGOs that seek innovation and sustainability. Edith Cowan University Design Department therefore is committed to teach socially-focused projects (such as wayfinding; civic identity; designing out crime) connect students with the public and real clients through collaborative practice and social design workshops. These changes are showing positive feedbacks from students and the community. Expected outcomes in the next 6 to 12 months are to establish clear point of difference to other design education providers in the state, and to see more design students working in and with other areas of the university.