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Modeling and Implementation of a Highly Efficient Solar-Powered Storage Installation through Self-Reconfigurable Batteries

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Open Journal of Energy Efficiency 2022年第2期11卷 37-53页

作者： Ioannis Zavos dmitri L. Danilov Peter H. L. Notten Institute of Energy and Climate Research (IEK-9) Forschungszentrum Jülich Jülich Germany Sustainable Energy Technology Department of Mechanical Engineering Eindhoven University of Technology Eindhoven The Netherlands Department of Electrical Engineering Eindhoven University of Technology Eindhoven The Netherlands University of Technology Sydney Sydney Australia

Self-reconfigurable batteries represent a new and promising technique of electrochemical storage. The application of self-reconfigurable batteries can resolve the challenge of efficient renewable storage in solar-powered installations. In this paper, the problem of solar panel’s Maximum Power Point (MPP) tracking utilizing self-reconfigurable batteries is explored through modeling. The efficiency of energy storage is improved by removing the intervening DC/DC converter, which is usually necessary for solar PV applications. To make such a system functional, a Switching Battery Management System (SBMS) is proposed instead of a traditional couple of DC/DC converter and usual BMS. This system allows the series connection of multiple battery modules of different sizes, States-of-Charge (SoC), and States-of-Health (SoH). Two main challenges arise by the proposed implementation: tracking MPP of solar panels through battery cell switching and maintaining an equal (balanced) SoC of the separate cells/modules. The theoretical investigation includes developing the distinct software parts: digital twins of the battery module and solar PV modules that interact with the SBMS and the algorithm according to which the proposed SBMS will operate. The SBMS algorithm, based on sorting the battery cells according to their SoC, resolves both challenges. Having this promising theoretical starting point, a working prototype was developed. The prototype worked as expected and was tested under field conditions, being integrated into the power grid as part of a virtual power plant.

关键词： Self-Reconfigurable Switching BMS Solar Photovoltaic Efficiency

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Toward development of the 4Dvar data assimilation system in the Bering Sea:reconstruction of the mean dynamic ocean topography

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Chinese Journal of Polar Science 2008年第2期19卷 123-134页

作者： Gleb Panteleev dmitri Nechaev Vladimir Luchin Phyllis Stabeno Nikolai Maximenko Motoyoshi Ikeda International Arctic Research Center University of AlaskaFairbanksAK 99775USA Department of Marine Science University of Southern MississippiStennis Space CenterMS 39529USA Iiichev Pacific Oceanological Institute FEBRASVladivostokRussia Pacific Marine Environmental Laboratory SeattleWAUSA International Pacific Research Center University of HawaiiHI 96822 USA Graduate School of Environmental Earth Science Hokkaido University SapporoJapan

The Bering Sea circulation is derived as a variational inverse of hydrographic profiles（ temperature and salinity） , atmospheric climatologies and historical observation of ocean curents. The important result of this study is estimate of the mean climatological sea surface height （SSH） that can be used as a reference for satellite altimetry sea level anomaly data in the Bering Sea region. Numerical experiments reveal that, when combined with satellite altimetry, the obtained reference SSH effectively constrains a realistic reconstruction of the Amukta Pass circulation.

关键词： Bering Sea mean dynamic ocean topography 4Dvar data assimilation system.

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顶夸克发现二十年

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物理 2015年第4期44卷 256-257页

作者：毛英男朱守华 dmitri Denisov Costas Vellidis 北京大学不详

从希腊哲学家的时代起,人类就开始了对物质基本构成单元的探索。这个概念长期以来一直在被更新,认为不可分割的原子是物质基本组分的原始思想已经发展为现在的观点：认为一种叫做夸克的东西是所有物质的核心组分。1995年费米实验室发现... 详细信息

从希腊哲学家的时代起,人类就开始了对物质基本构成单元的探索。这个概念长期以来一直在被更新,认为不可分割的原子是物质基本组分的原始思想已经发展为现在的观点：认为一种叫做夸克的东西是所有物质的核心组分。1995年费米实验室发现了顶夸克——标准模型中第六种也是最后一种夸克,有些人甚至把它的发现誉为是科学上最长久搜寻之一的终结。但是顶夸克的性质是奇特的,并且它带来了新的问题。尤其是,它的质量是所有已知基本粒子中最重的。

关键词：夸克质量费米实验室基本组分希腊哲学家基本构成单元强子底夸克反夸克亚稳定性对撞

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Environmental Information Systems:Paving the Path for Digitally Facilitated Water Management(Water 4.0)

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Engineering 2019年第5期5卷 828-832页

作者： Olaf Kolditz Karsten Rink Erik Nixdorf Thomas Fischer Lars Bilke dmitri Naumov Zhenliang Liao Tianxiang Yue Department of Environmental Informatics Helmholtz Center for Environmental Research(UFZ)Leipzig 04318Germany Applied Environmental Systems Analysis Technische Universitat DresdenDresden 01069Germany UN Environment–Tongji Institute of Environment for Sustainable Development&College of Environmental Science and Engineering Tongji UniversityShanghai 200092China Department for Ecological and Environmental Informatics Institute of Geographical Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 1000101China Sino-German Research Center for Environmental Information Science(RCEIS) Leipzig 04318Germany

*** The availability of reliable information describing our natural and anthropogenic environment—and its changes in particular—is crucial for understanding the complexity of structures and processes within environmental *** remote sensing and monitoring methods provide an increasing amount of environmental data that can be used for a variety of management purposes[1,2].

关键词： systems. complexity availability

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A Hybrid Backward Euler Control Volume Method to Solve the Concentration-Dependent Solid-State Diffusion Problem in Battery Modeling

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Journal of Applied Mathematics and Physics 2020年第6期8卷 1066-1080页

作者： Kudakwashe Chayambuka Grietus Mulder dmitri L. Danilov Peter H. L. Notten VITO Mol Belgium EnergyVille Genk Belgium Eindhoven University of Technology Eindhoven Netherlands Forschungszentrum Jülich Fundamental Electrochemistry (IEK-9) Jülich Germany University of Technology Sydney Broadway Sydney NSW Australia

Several efficient analytical methods have been developed to solve the solid-state diffusion problem, for constant diffusion coefficient problems. However, these methods cannot be applied for concentration-dependent diffusion coefficient problems and numerical methods are used instead. Herein, grid-based numerical methods derived from the control volume discretization are presented to resolve the characteristic nonlinear system of partial differential equations. A novel hybrid backward Euler control volume (HBECV) method is presented which requires only one iteration to reach an implicit solution. The HBECV results are shown to be stable and accurate for a moderate number of grid points. The computational speed and accuracy of the HBECV, justify its use in battery simulations, in which the solid-state diffusion coefficient is a strong function of the concentration.

关键词： Solid-State Diffusion Implicit Methods Backward Euler

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Film flow over small-amplitude step topography

Film flow over small-amplitude step topography

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23rd International Congress of Theoretical and Applied Mechanics

作者： Mark Blyth dmitri Tseluiko Demetrius Papageorgiou Jean-Marc Vanden-Broeck School of Mathematics University of East AngliaNorwichUK Department of Mathematics University of LoughboroughLoughboroughUK Department of Mathematics Imperial College LondonLondonUK Department of Mathematics University College LondonLondonUK

＜正＞The flow of a liquid film over step topography is *** aim is to see if the important qualitative features of such flows can be predicted using an asymptotic model based on the assumption of small topographic ***...

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Regulated State Synchronization for Discrete-time Homogeneous Networks of Non-introspective Agents in Presence of Unknown Non-uniform Input Delays: A Scale-free Protocol Design

Regulated State Synchronization for Discrete-time Homogeneou...

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第三十九届中国控制会议

作者： Zhenwei Liu Donya Nojavanzadeh dmitri Saberi Ali Saberi Anton A.Stoorvogel College of Information Science and Engineering Northeastern University School of Electrical Engineering and Computer Science Washington State University Stanford University Department of Electrical Engineering Mathematics and Computer Science University of Twente

This paper studies regulated state synchronization of discrete-time homogeneous networks of non-introspective agents in presence of unknown non-uniform input delays. A scale free protocol is designed based on localized information exchange,which does not need any knowledge of the directed network topology and the spectrum of the associated Laplacian matrix. The proposed protocol is scalable and achieves state synchronization for any arbitrary number of agents. Meanwhile, an upper bound for the input delay tolerance is obtained, which explicitly depends on the agent dynamics.

关键词： Multi-agent systems Regulated state synchronization Unknown non-uniform input delays Discrete-time

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圣彼得堡大学东方系图书馆所藏的中国古典小说

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明清小说研究 2021年第4期 240-248页

作者：张云马义德山东大学儒学高等研究院济南大学文学院国立圣彼得堡大学东方系

圣彼得堡大学东方系图书馆藏有180余种中国古典小说,这些小说内容丰富,本文主要考察这些小说的版本情况,发现不少作品是刊刻较早的版本,也有一些为海内外稀见之本。圣大东方系图书馆所藏古典小说,是域外汉籍的重要组成部分。对这些小说... 详细信息

圣彼得堡大学东方系图书馆藏有180余种中国古典小说,这些小说内容丰富,本文主要考察这些小说的版本情况,发现不少作品是刊刻较早的版本,也有一些为海内外稀见之本。圣大东方系图书馆所藏古典小说,是域外汉籍的重要组成部分。对这些小说情况的著录,丰富了现存古典小说的版本,有助于相关研究的深入。

关键词：圣彼得堡大学东方系中国古典小说版本

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Regulated State Synchronization for Homogeneous Networks of Non-introspective Agents in Presence of Input Delays:A Scale-Free Protocol Design

Regulated State Synchronization for Homogeneous Networks of ...

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第32届中国控制与决策会议

This paper studies regulated state synchronization of homogeneous networks of non-introspective agents in presence of unknown nonuniform input delays.A scale free protocol is designed based on additional information exchange,which does not need any knowledge of the directed network topology and the spectrum of the associated Laplacian *** proposed protocol is scalable and achieves state synchronization for any arbitrary number of ***,an upper bound for the input delay tolerance is obtained,which explicitly depends on the agent dynamics.

关键词： Multi-agent systems Regulated state synchronization Input delays

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3D深度偏移:并行处理与偏移动画

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石油物探译丛 2001年第3期 47-49页

作者： dmitri Gavrilov 赵永臻西北地质研究所甘肃兰州730020

并行处理器的优点如图1所示(引自 Kalantzis,1994):(a)标量模式,是一个处理器执行运算(单人提水);(b)向量模式,在一个向量或阵元(桶链)上同时执行一系列的运算;(c)并行模式,许多处理器执行相同的任务(几个提桶人并排奔跑);(d)向量/并行... 详细信息

并行处理器的优点如图1所示(引自 Kalantzis,1994):(a)标量模式,是一个处理器执行运算(单人提水);(b)向量模式,在一个向量或阵元(桶链)上同时执行一系列的运算;(c)并行模式,许多处理器执行相同的任务(几个提桶人并排奔跑);(d)向量/并行运算,就是有几条桶链同时执行任务.

关键词：逆时偏移并行处理偏移动画计算速度地震勘探 3D深度偏移

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