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An explainable AI framework for robust and transparent data-driven wind turbine power curve models

Energy and AI 2024年第1期15卷 312-327页

作者： Simon Letzgus Klaus-robert Müller Machine Learning Group Technische Universitβe BerlinStraβe des 17.Juni 135Berlin10623Germany Berlin Institute for the Foundations of Learning and Data Berlin10587Germany Department of Artificial Intelligence Korea UniversitySeoul136-713South Korea Max Planck Institute for Informatics Saarbrücken66123Germany

In recent years,increasingly complex machine learning methods have become state-of-the-art in modelling wind turbine power curves based on operational *** these methods often exhibit superior performance on test sets,they face criticism due to a perceived lack of transparency and concerns about their robustness in dynamic,non-stationary environments encountered by wind *** this work,we address these issues and present a framework that leverages explainable artificial intelligence methods to gain systematic insights into data-driven power curve *** its core,we propose a metric to quantify how well a learned model strategy aligns with the underlying physical principles of the *** novel tool enables model validation beyond the conventional error metrics in an automated *** demonstrate,for instance,its capacity as an indicator for model generalization even when limited data is ***,it facilitates understanding how decisions made during the machine learning development process,such as data selection,pre-processing,or training parameters,affect learned *** a result,we obtain physically more reasonable models,a prerequisite not only for robustness but also for meaningful insights into turbine operation by domain *** latter,we illustrate in the context of wind turbine performance *** summary,the framework aims to guide researchers and practitioners alike toward a more informed selection and utilization of data-driven wind turbine power curve models.

关键词： Explainable AI(XAI) Machine learning Wind energy Wind turbine power curve SCADA Condition monitoring

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Actuating droplets with electrowetting: Force and dynamics

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Droplet 2024年第2期3卷 113-124页

作者： robert Hennig Vito Cacucciolo Herbert Shea Soft Transducers Laboratory(LMTS) Ecole Polytechnique Fédérale de Lausanne(EPFL)NeuchatelSwitzerland Politecnico di Bari BariItaly

Electrowetting on dielectric(EWOD)allows rapid movement of liquid droplets on a smooth surface,with applications ranging from lab-on-chip devices to *** in-plane force on a droplet is a key indicator of EWOD *** force has been extensively modeled but few direct experimental measurements are *** study the EWOD force on a droplet using two setups that allow,for the first time,the simultaneous measurement of force and contact angle,while imaging the droplet shape at 6000 frames/*** several liquids and surfaces,we observe that the force saturates at a voltage of approximately 150 *** of voltages of up 2 kV,that is,10 times higher than is typical,does not significantly increase forces beyond the saturation ***,we observe that the transient dynamics,localized at the front contact line,do not show saturation with *** the higher voltages,the initial front contact line speed continues to increase,the front contact angle temporarily becomes near zero,creating a thin liquid film,and capillary waves form at the liquid–air *** the localized EWOD forces at the contact line exceed the capillary forces,projectile droplets *** surface tension allows for higher droplet forces,which we demonstrate with mercury.

关键词： capillary forces dynamics

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Does MgSO_(4) protect the preterm brain?Dissecting its role in the pathophysiology of hypoxic ischemic encephalopathy

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Neural Regeneration Research 2024年第9期19卷 1861-1862页

作者： robert Galinsky Laura Bennet Alistair J.Gunn The Ritchie Centre Hudson Institute of Medical ResearchMelbourneVICAustralia Department of Obstetrics and Gynaecology Monash UniversityMelbourneVICAustralia Department of Physiology The University of AucklandAucklandNew Zealand

Mitigating preterm encephalopathy continues to be one of the greatest challenges in perinatal *** encephalopathy is associated with high mortality,serious morbidity,and significant socio-economic impacts on the individuals,their families,and public health sectors and welfare systems that last a *** cost of disability associated with preterm brain injury continues to *** of this injury,and disability,would significantly reduce this socioeconomic burden.

关键词： encephalopathy mortality hypoxic

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Next generation multiple access for IMT towards 2030 and beyond

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Science China(Information Sciences) 2024年第6期67卷 448-450页

作者： Zhiguo DING robert SCHOBER Pingzhi FAN H.Vincent POOR Department of Computer and Information Engineering Khalifa University Department of Electrical and Electronic Engineering University of Manchester Institute for Digital Communications Friedrich Alexander-University Erlangen-Nurnberg (FAU) CSNMT International Cooperation Research Center (MoST) Southwest Jiaotong University Department of Electrical and Computer Engineering Princeton University

Multiple access techniques are fundamental to the design of wireless communication systems,since many crucial components of such systems depend on the choice of the multiple access technique[1].For example,the use of ...

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Role of practice standardization in outcome optimization for CDH

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World Journal of Pediatric Surgery 2024年第2期7卷 110-118页

作者： Alexandra Dimmer robert Baird Pramod Puligandla Harvey E.Beardmore Division of Pediatric Surgery Department of Pediatric SurgeryMontreal Children's HospitalMontrealQuebecCanada Division of Pediatric General and Thoracic Surgery British Columbia Children's HospitalVancouverBritish ColumbiaCanada Harvey E.Beardmore Department of Pediatric Surgery McGill UniversityMontrealQuebecCanada

Standardization of care seeks to improve patient outcomes and healthcare delivery by reducing unwanted variations in care as well as promoting the efficient and effective use of healthcare *** are many types of standardization,with clinical practice guidelines(CPGs),based on a stringent assessment of evidence and expert consensus,being the hallmark of high-quality *** article outlines the history of CPGs,their benefits and shortcomings,with a specific focus on standardization efforts as it relates to congenital diaphragmatic hernia management.

关键词： congenital clinical shortcomings

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Heart failure with preserved ejection fraction and the first law of thermodynamics

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World Journal of Cardiology 2024年第10期16卷 608-610页

作者： robert M Peters Department of Cardiology Zucker School of MedicineHemsteadNY 11549United States

In heart failure with preserved ejection fraction,significant left ventricular diastolic abnormalities are present,despite a normal systolic ejection *** article will consider whether this is consistent with the law o... 详细信息

关键词： Diastolic dysfunction Heart failure with preserved ejection fraction Thermodynamics

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Earliest megafossils of scandent calamoid palms from the Deccan Intertrappean Beds of Central India and their paleobiogeographic implications

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Journal of Palaeogeography 2024年第3期13卷 509-527页

作者： Sanchita Kumar Kaustav Roy robert A.Spicer Mahasin Ali Khan Palaeobotany and Palynology Laboratory Department of BotanySidho-Kanho-Birsha UniversityRanchi RoadPurulia-723104India CAS Key Laboratory of Tropical Forest Ecology Xishuangbanna Tropical Botanical GardenChinese Academy of SciencesMengla 666303Yunnan ProvinceChina School of Environment Earth and Ecosystem SciencesThe Open UniversityMilton KeynesMK76AAUK State Key Laboratory of Tibetan Plateau Earth System Resources and Environment(TPESRE)Institute of Tibetan Plateau ResearchChinese Academy of SciencesBeijing 100101China

Two well-preserved petrified palm stems from the latest Maastrichtian(Late Cretaceous) to earliest Danian(Early Paleocene) sediments of the Deccan Intertrappean Beds of Madhya Pradesh, Central India are described. Their significant anatomical characteristics include a Calamus-type general stem pattern,the presence of well-preserved fibrovascular bundles(fvbs) with two wide metaxylem vessel elements(230 μm-250 μm) and one phloem strand, uniform density of fvbs, lack of continuity between protoxylem and metaxylem vessel elements, and an absence of centrifugal differentiation of sclerenchymatous fibrous *** features reveal a close resemblance to those of extant genera of scandent Calamoideae. The permineralized stems are described as a new species namely, Palmoxylon calamoides Kumar, Roy et Khan sp. *** fossils represent the oldest reliable fossil records of this family, supporting their Gondwanan origin, their importance in tracing their migration pathways from India to Europe and other continents after the docking of the Indian subcontinent with Eurasia during the Paleocene, and an “Out-of-India” dispersal hypothesis. Today the subfamily Calamoideae is disjunctly occurred in Africa, Asia, Australia, Europe, and South America, but the poor deep-time fossil record of this subfamily with a small number of Cenozoic fossils makes hypotheses concerning its origin and dispersal difficult to evaluate. The present study has significant implications for the origin and migration of this subfamily and the paleoclimate.

关键词： Scandent Calamoideae Stem anatomy K-Pg Paleobiogeography Paleoclimate Central India

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Digital twin technology for thermal comfort and energy efficiency in buildings:A state-of-the-art and future directions

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Energy and Built Environment 2024年第5期5卷 641-656页

作者： Victor Adetunji Arowoiya robert Christian Moehler Yihai Fang Department of Civil engineering Monash University ClaytonVIC 3800Australia

In recent years,the integration of digital technologies has grown rapidly in the field of thermal comfort and energy efficiency for *** concept of a digital twin,incorporating multiple digital technologies,has gained increasing *** literature lacks a review of the digital twin concept in thermal comfort and energy consumption for existing *** paper conducts a review of the current state-of-the-art in digital twin(DT)technology for thermal comfort/energy consumption in *** review employs a scientometric approach and examines various technologies used in creating DTs and a systematic analysis of the methods,technologies,algorithms,and approaches used in digital twin *** results show a growing number of studies in this area,with a focus on thermal comfort monitoring,visualization,tracking,energy management,prediction,and optimization for existing ***,the prediction of energy consumption using algorithms such as Artificial Neural Networks(ANN),Artificial Intelligence(AI),deep neural networks,and YOLOv4 have been used in ***,the wider adoption of a DT that can facilitate occupants,and thermal sensations,enhance human-centered solutions,and improve energy prediction levels are *** is a need for further international collaboration to expand the studies on digital twins for thermal comfort and energy *** review highlights the limitations and areas of improvement,such as the limited adoption of sensors for environmental measures,the need for more focus on the subjective perception of occupants,and the need for more comparative studies of algorithms for predicting energy *** studies can be conducted in areas such as understanding occupant psychological responses/behaviors to comfort in the digital *** will enhance a more consolidated and robust validation for building performance.

关键词： Buildings Digital twin Thermal comfort Energy consumption Scientometric review

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Commentary on “Why people should run after positive affective experiences instead of health benefits”

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Journal of Sport and Health Science 2024年第4期13卷 451-452页

作者： Ting Wang Jinghua Chen robert Schinke Liye Zou Body-Brain-Mind Laboratory School of PsychologyShenzhen UniversityShenzhen 518060China School of Kinesiology and Health Sciences Laurentian UniversitySudburyON P3E 2C6Canada

Maltagliati et al.1 recently highlighted the vital role of affective experiences in promoting physical activity(PA).The authors suggested that positive affective experiences,rather than health benefits,can tip the balance in favor of PA over sedentary *** authors proposed a new formal decision model between PA and sedentary alternatives and reported that when health benefits are the unique reason to action,the costs of PA(e.g.,effort)and the subjective value(SV)of sedentary alternatives(V_(sed))are the main drivers of decision-making processes.

关键词： benefits formal decision

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Are we close to using Alzheimer blood biomarkers in clinical practice?

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Neural Regeneration Research 2024年第12期19卷 2583-2585页

作者： Bruno P.Imbimbo Simone Lista Camillo Imbimbo robert Nisticò Department of Research&Development Chiesi FarmaceuticiParmaItaly i+HeALTH Strategic Research Group Department of Health SciencesMiguel de Cervantes European University(UEMC)ValladolidSpain Department of Brain and Behavioral Sciences University of PaviaPaviaItaly School of Pharmacy University of Rome“Tor Vergata”RomeItaly Laboratory of Pharmacology of Synaptic Plasticity EBRI Rita Levi-Montalcini FoundationRomeItaly

Alzheimer's disease(AD) is a progressive neurodegenerative disease histologically characterized by the presence of extraneuronal plaques,mainly formed by the 42-aminoacid isoform of amyloid-(Aβ_(1-42)),and by intraneuronal neurofibrillary to ngles,mainly formed by the tau protein and its hyperphosphorylated isoforms(p-tau).AD is the most common cause of dementia,with an estimated lifetime risk of about 1 in 10 for men and 1 in 5 for women.

关键词： Alzheimer tau Aβ

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