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2017 International MultiConference of Engineers and Computer Scientists, IMECS 2017

作者： Chang, Yuen-Haw Li, Zheng-Bin Department and Graduate Institute of Computer Science and Information Engineering Chaoyang University of Technology R.O.C. Post code: 413 Taichung Taiwan

ISBN: (纸本)9789881404770

A closed-loop scheme of a high-gain serial-parallel-switched-capacitor coupled-inductor (SPSCCI) boost DC-AC inverter is proposed by combining a two-phase generator and sinusoidal pulse-width-modulation (SPWM) controller for low-power step-up DC-AC conversion and regulation. In this inverter, the power part is composed of SPSCCI booster and half-bridge DC-link. This booster is a 4-stage SC circuit plus combining a coupled-inductor, and it raises the voltage gain up to [4(n+1)+(1+nD)/(1-D)] at most via two-phase operation, where D is the duty cycle and n is the turn ratio of coupled-inductor. The DC-link is a half-bridge circuit in order to convert the DC voltage into AC via SPWM control for realizing the range of sinusoidal output: +0.5[4(n+1)+(1+nD)/(1-D)]VS~ -0.5[4(n+1)+(1+nD)/(1-D)]VS. Practically, the maximum output voltage can reach 26.0 times voltage of source VS while D=0.5, n=4. Here, the SPWM is employed to enhance regulation capability for the different output amplitude and frequency, as well as robustness to source/loading variation. Finally, the closed-loop SPSCCI inverter is designed and simulated by SPICE for some cases: steady-state and dynamic responses. All results are illustrated to show the efficacy of the proposed scheme.

关键词： SPICE

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A High-Gain Multiphase Switched-Capacitor Coupled-Inductor Step-Up DC-DC Converter

A High-Gain Multiphase Switched-Capacitor Coupled-Inductor S...

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2017 International MultiConference of Engineers and Computer Scientists, IMECS 2017

作者： Chang, Yuen-Haw Jhao, En-Ping Department and Graduate Institute of Computer Science and Information Engineering Chaoyang University of Technology R.O.C. Post code: 413 Taichung Taiwan

ISBN: (纸本)9789881404770

A closed-loop scheme of a high-gain multiphase switched-capacitor coupled-inductor (MSCCI) converter is proposed by combining a phase generator and pulse-width-modulation-based (PWM-based) gain compensator for step-up DC-DC conversion and regulation. The power part between source VS and output VO contains a three-stage serial-parallel switched-capacitor (SC) circuit plus a coupled-inductor device, and it raises the voltage gain up to 4[(n+1)+(1+nD)/(1-D)] at most, where D means the duty cycle of PWM and n is trun ratio of coupled inductor. Practically, this MSCCI can boost the voltage gain up to 44 when D=0.5, n=4. Further, the PWM technique is adopted not only to enhance the output regulation for the compensation of the dynamic error between the practical and desired outputs, but also to reinforce output robustness against source or loading variation. Finally, the closed-loop MSCCI is designed by SPICE and simulated for some cases: steady-state and dynamic responses. All results are illustrated to show the efficacy of the proposed scheme.

关键词： Pulse width modulation

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Pathophysiological role of endothelial biomarkers in Bothrops sp. venom-induced renal dysfunction and the therapeutic effect of antivenom

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Toxicon: X 2025年 26卷

作者： Nicole Coelho Lopes Gdayllon Cavalcante Meneses Ranieri Sales de Souza Santos Leticia Machado de Araújo Bruna Viana Barroso Martins Katarina Maria dos Reis Araújo Valéria Holanda Nogueira de Aquino Igor Moreira de Almeida Sandra Mara Brasileiro Mota Geraldo Bezerra da Silva Junior Camila Eleuterio Rodrigues Elizabeth De Francesco Daher Polianna Lemos Moura Moreira Albuquerque Alice Maria Costa Martins Pharmacology Post-Graduate Program Federal University of Ceará Fortaleza Ceará Brazil Department of Clinical and Toxicological Analysis Federal University of Fortaleza Fortaleza Ceará Brazil Toxicological Information and Assistance Center Instituto Doutor Jose Frota Hospital Fortaleza Ceará Brazil University of Fortaleza School of Medicine Fortaleza Ceará Brazil Hospital das Clínicas University of São Paulo School of Medicine São Paulo Brazil University of New South Wales Sydney Australia Medical Sciences Post-Graduate Program Federal University of Ceará Ceará Brazil Charles Darwin University Darwin Australia

Snakebite antivenom (SAV) is the standard treatment option to neutralize the toxic effects of snake venom, but their consequences on kidney function need to be better understood. This study aims to evaluate the effects of antivenom on kidney and endothelial biomarkers due to Bothrops venom in two subgroups of patients distinguished by the presence of hemorrhagic syndrome at admission. This prospective study included 34 snakebite patients admitted to a tertiary hospital in Northeast Brazil between August 2019 and November 2020, 50 % of whom experienced spontaneous bleeding. Endothelial and kidney damage biomarkers were analyzed at three time points: before antivenom infusion and after 10 h and 20 h of antivenom infusion. Bleeding patients exhibited higher urine Neutrophil Gelatinase-Associated Lipocalin (uNGAL) and Kidney Injury Molecule-1 (KIM-1) levels, indicating incomplete renal recovery until 20h after antivenom. This group showed higher serum angiopoietin-2 (Ang-2) levels and vascular cell adhesion molecule-1 (VCAM-1). VCAM-1 levels positively correlated with kidney biomarker levels at each time point, especially after SAV. uNGAL was variant across VCAM-1, Ang-1, and Ang-2 levels before antivenom. Elevated levels of uNGAL and KIM-1, observed 10 h after SAV administration, may indicate incomplete renal protection and a potential risk for the development of chronic kidney injury, requiring future follow-up.

关键词： Snakebite Antivenom Kidney injury Vascular cell adhesion molecule-1 Angiopoietins KIM-1

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Routing Techniques in Sensor Network–A Survey

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Procedia Engineering 2012年 38卷 2739-2747页

作者： S. Saranya M. Princy Post Graduate Scholar Department of Information Technology Karunya UniversityIndia Lecturer Department of Information Technology Karunya University India

Wireless Sensor Networks (WSNs) consist of large number of sensor nodes with sensing, communication and computation capabilities. Sensor nodes have limited energy supply, bandwidth and computational capacity. Routing in sensor network differ based on the network architecture and the application in order to achieve high energy efficiency and better lifetime. In this paper, we have given the design issues of sensor network and also we classified the routing techniques into three main categories, flat, hierarchical and location based. We have described each routing techniques in appropriate category and presented a comparison of these routing techniques.

关键词： Classification of Routing Design Issues Data Aggregation Sensor Network

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Microservices Architecture As a Data Governance Tools in Decentralized E-Government

Microservices Architecture As a Data Governance Tools in Dec...

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2022 International Conference on Science and technology, ICOSTECH 2022

作者： Paramita, Adi Suryaputra Gaol, Ford Lomban Ranti, Benny Supangkat, Suhono Harso Graduate Program Universitas Ciputra Surabaya/ Bina Nusantara University Information Systems Department/Doctor of Computer Science Jakarta Surabaya Indonesia Bina Nusantara University Doctor of Computer Science Graduate Program Jakarta Indonesia Institute of Technology Bandung Systems and Information Technology Department Bandung Indonesia

ISBN: (纸本)9781665479851

Electronic government, or e-Government, is the use of information and communication technology by the public sector (ICT). Additionally, it can be viewed as a paradigm shift in terms of how governments operate. The government protects public values, while citizens act as problem solvers, co-creators, and active participants in value creation. On the other hand, decentralized systems have grown in popularity over the last few years. Data has become a significant issue in decentralized E-Government;each local entity has their own data, which is private. A suitable data governance tool is required to ensure that data governance is properly implemented and to prevent the organizational entity from leaking information. The purpose of this research is to examine the data governance tools mechanism utilizing microservices. © 2022 IEEE.

关键词： information use

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Modeling the relationship between public transportation and traffic conditions in urban areas: A system dynamics approach

Modeling the relationship between public transportation and ...

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International Conference on Physics and Mathematics for Biological Science 2019, ICOPAMBS 2019

作者： Sardjono, W. Selviyanti, E. Perdana, W.G. Information Systems Management Department BINUS Graduate Program Master of Information Systems Management Bina Nusantara University Jakarta Indonesia Health Department Politeknik Negeri Jember Jember Jawa Timur68124 Indonesia Post Graduate Program of Environmental Science School of Environmental Science University of Indonesia Jakarta11480 Indonesia

The goals of the paper were to describe were and find the relations between numbers of available public transportation and traffic congestion and other variables that can reduce traffic congestion in Jakarta. The data that used in the simulation were provided by DKI Jakarta Provincial Statistics Agency from view years ago. To analyze the problem, System Dynamics are used to simulate the condition in the future using the models created based on relations between several variables. The results of the analysis shows that numbers of available public transportation cannot reduce traffic congestion if the numbers of private transportation weren't decreased. It can be concluded that government must force their citizen to reduce the number of private transportation by increasing the inflation supported by increasing numbers of available public transportation to accommodate deficit in transportation while building new roads to accommodate transportation growth in the future. © Published under licence by IOP Publishing Ltd.

关键词： Traffic congestion

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A light-weight ranger intrusion detection system on wireless sensor networks

A light-weight ranger intrusion detection system on wireless...

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5th International Conference on Genetic and Evolutionary Computing, ICGEC2011

作者： Hsieh, Chia-Fen Huang, Yung-Fa Chen, Rung-Ching Graduate Institute of Informatic Doctoral Program Choayang University of Technology Taichung Taiwan Department of Information and Communication Engineering Choayang University of Technology Taichung Taiwan Department of Information Management Choayang University of Technology Taichung Taiwan

ISBN: (纸本)9780769544496

In recent years, a lot of research concerns with the wireless sensor networks (WSN). With the increasing usages of WSN applications such as health care and disaster reporting, security requirements, wireless communication has become more critical. Researchers of intrusion detection system on WSN have suggested that systems' detecting mechanisms would likely affect their detections effective and lifetime of whole networks. Ontology can collect and organize the attributes of attacks However, those methods have empirically documented the link between ontology concept and lightweight Intrusion Detection System (IDS) is scant. Therefore, the aim of this paper attempts to explore how intrusion detection system about ontology and light-weight IDS are related. The manager constructs relationship of sensor nodes on ontology to detect Sybil attack. Combine light-weight IDS the ranger method to reduce energy consumption and the isolation tables avoid detecting anomaly repeatedly. We proposed a lightweight ontology-based IDS, which improves existence shortcomings of IDS on WSN effectively. © 2011 IEEE.

关键词： Ontology

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A usability study on personalized EPG (pEPG) UI of digital TV

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12th International Conference on Human-Computer Interaction, HCI International 2007

作者： Myo, Ha Kim Sang, Min Ko Jae, Seung Mun Yong, Gu Ji Moon, Ryul Jung Cognitive Science Program Graduate School Yonsei University Department of Information and Industrial Engineering Yonsei University Department of Media Technology Sogang University

ISBN: (纸本)9783540731085

As the use of digital television (D-TV) has spread across the globe, usability problems on D-TV have become an important issue. However, so far, very little has been done in the usability studies on D-TV. The aim of this study is developing evaluation methods for the user interface (UI) of a personalized electronic program guide (pEPG) of D-TV, and evaluating the UI of a working prototype of pEPG using this method. To do this, first, the structure of the UI system and navigation for a working prototype of pEPG was designed considering the expanded channel. Secondly, the evaluation principles as the usability method for a working prototype of pEPG were developed. Third, labbased usability testing for a working prototype of pEPG was conducted with these evaluation principles. The usability problems founded by usability testing were reflected to improve the UI of a working prototype of pEPG. © Springer-Verlag Berlin Heidelberg 2007.

关键词： Digital television

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Propranolol hydrochloride degradation using La@TiO_(2) functionalized with CMCD

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Journal of Rare Earths 2022年第4期40卷 579-585,I0003页

作者： Gustavo Lopes Colpani Vitor Follmann Santos Rubieli Carla Frezza Zeferino Micheli Zanetti Josiane Maria Muneron de Mello Luciano Luiz Silva Natan Padoin Regina de Fatima Peralta Muniz Moreira Márcio Antônio Fiori Cíntia Soaresc Post-Graduate Program in Technology and Innovation Management Community University of ChapecóRegionChapecó89809-900Brazil Department of Chemical Engineering Community University of ChapecóRegionChapecó89809-900Brazil Laboratory of Materials and Scientific Computing(LabMAC) Department of Chemical and Food EngineeringFederal University of Santa CatarinaFlorianópolis88040-900Brazil

Propranolol hydrochloride can be considered a persistent and bioaccumulative pharmaceutical in the *** drug and its by-products are potentially toxic and have adverse effects,since these compounds have been associated with endocrine-disrupting effects,reproductive deficiencies,embryo abnormalities and pericardial ***_(2)–La 0.05%–carboxymethyl-β-cyclodextrin(CMCD)nanoparticles were successfully prepared by a simple two-step method,which consists of sonification and *** characterization analyses reveal that lanthanum is dispersed on the semiconductor surface,probably forming Ti–O–La bonds,which can induce oxygen vacancies and surface defects that effectively restrain the recombination of photogenerated electron/holes *** efficiency of TiO_(2)–La 0.05%–CMCD samples in degradation of propranolol under UV-light irradiation is higher than that of pristine TiO_(2) within 20 min reaction,probably due to complex formation between theβ-blocker and the oligosaccharide,which allows us to propose a photocatalytic mechanism based on the formation of intermediates and competition of these compounds to the radicals and CMCD cavities.

关键词： TiO_(2) Lanthanum CMCD Propranolol Photocatalysis Functionalization

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Using factor analysis and regression analysis to develop mathematic modeling to support online application implementation in transportation business 3

Using factor analysis and regression analysis to develop mat...

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3rd International Conference on Combinatorics, Graph Theory, and Network Topology, ICCGANT 2019

作者： Sardjono, W. Selviyanti, E. Perdana, W.G. Information Systems Management Department Bina Nusantara University Jakarta Indonesia Health Department PoliteknikNegeriJember Jember Jawa Timur Indonesia Post Graduate Program of Environmental Science School of Environmental Science Indonesia

Factor analysis is used to reduce data or summarize, from the old variable which is widely changed to a few new variables called factors, and still contains most of the information contained in the original variable. While regression analysis studies the relationship between one or more variables/independent variables (X) with one dependent variable (Y).The purpose of this paper is to describe how the factor analysis method can be used to provide solutions to operational problems such as problems with public transportation services with online applications, for this reason the research was conducted in identifying what factors influence the quality of online applications, and henceforth can be used in building mathematical models that can explain practical applications and predictions in the future. This research is explained in a quantitative descriptive form using exploratory factor analysis and regression analysis methods to process primary data and build models. The conclusion of this study is that there are 22 indicators and three factors that determine the quality of the application. The three factors produced are system and information factors, user impact factors, and promotion factors. These three factors can henceforth become a model in determining customer satisfaction as an end user of public transportation with an online application. © Published under licence by IOP Publishing Ltd.

关键词： Factor analysis

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