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The accuracy of the F statistic for structural health monitoring

AIP Conference Proceedings 2020年第1期2227卷

作者： Fergyanto E. Gunawan Benfano Soewito Nico Surantha Tuga Mauritsius Nobumasa Sekishita 1Industrial Engineering Department BINUS Graduate Program – Master of Industrial Engineering Bina Nusantara University Jakarta Indonesia 11480 2Computer Science Department BINUS Graduate Program – Master of Computer Science Bina Nusantara University Jakarta Indonesia 11480 3Information Systems Management Department BINUS Graduate Program – Master of Information Systems Management Bina Nusantara University Jakarta Indonesia 11480 4Department of Mechanical Engineering Toyohashi University of Technology Toyohashi Aichi 441-8580 Japan

Understanding the reliability of engineering methods is crucial for its adoption and deployment. This research focuses on the reliability of the Power Spectral Density (PSD) method via the use of the F statistic for damage detection. To the author best knowledge, the method is rather classic but its realibility has not been discussed in the context of a large data size. Priory, the research anticipates that the accuracy is a function of the damage level. In this study, we evaluate 3500 cases with five levels of structural integrity, namely, healthy condition and damaged conditions with 1%, 5%, 10%, and 20% damage levels. The dataset is established via a numerical analysis of a seven degree-of-freedom system loaded with a concentrated dynamic force with random magnitude. A spring on the system is reduced in its stiffness to simulate damages. Our significant findings are the following: it is challenging for the PSD-based method to differentiate the healthy condition from the damaged conditions when the damage level is small. However, the reliability is high at 95% probability when the structural integrity has dropped by five percent.

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Impact of Intention to Use to a Document Management System (Case Study Approach) 3

Impact of Intention to Use to a Document Management System (...

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3rd International Conference on Information Management and Technology, ICIMTech 2018

作者： Hartono, Sugiarto Kosala, Raymondus Raymond Supangkat, Suhono Harso Ranti, Benny Information Systems Department Computer Science Department BINUS Graduate Program-Doctor of Computer Science Jakarta11480 Indonesia Computer Science Department Bina Nusantara University BINUS Graduate Program-Doctor of Computer Science Jakarta11480 Indonesia Bandung Institute of Technology School of Electrical Engineering and Informatics Bandung Indonesia

ISBN: (纸本)9781538658215

Document management system makes user to access information anytime and anywhere. The purpose of this research is to analyze what variables have impact on the intention to use of document management system. To achieve the objectives conducted by identification problem on the research model developed from the model of Technology Acceptance Model and Unified Theory of Acceptance and Use of Technology to the use of document management system. Furthermore, the data obtained from the respondents tested outer model, inner model test, hypothesis test and to produce a comprehensive analysis will be conducted Importance Performance Analysis. This research will result in a comprehensive analysis and able to provide recommendations and solutions for improvement from the implementation DMS has been done earlier. © 2018 IEEE.

关键词： Information services

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Warding off the plagiarism with the applications (Case study at Bina Nusantara University student and faculty member) 1

Warding off the plagiarism with the applications (Case study...

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1st International Conference on Information and Communications Technology, ICOIACT 2018

作者： Surjandy Suparta, Wayan Trisetyarso, Agung Kang, Chul Ho Abbas, Bahtiar Saleh Computer Science Department BINUS Graduate Program - Doctor of Computer Science Bina Nusantara University Jakarta11480 Indonesia Information Systems Audit Program Information Systems Department School of Information Systems Bina Nusantara University Jakarta11480 Indonesia Civil Engineering Department University of Technology Yogyakarta Yogyakarta Indonesia Department of Electronics and Communication Engineering Kwangwoon University Korea Republic of Department of Industrial Engineering Bina Nusantara University Jakarta11480 Indonesia

ISBN: (纸本)9781538609545

Plagiarism in the education sector is as serious issues. In 2015 Indonesia ministry of research, technology and higher education stated to eradicate the plagiarism, and after 2 years the similar statement by Indonesia ministry of research, technology, and higher education. The plagiarism becomes the serious program by the ministry. The plagiarism in higher education happened, the faculty member or even a professor found did the plagiarism. Therefore, this paper research conducted using descriptive analysis methodology to elaborate on deep the correlation plagiarism variables. Hence, warding off the plagiarism might possible to perform using the applications. The aim of this research to find the correlation variables that might use to ward off the plagiarism in the future. The very interesting result from 15 questioners and the report shows there are several significant correlation variables of the plagiarism. © 2018 IEEE.

关键词： Intellectual property

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Image-guided targeting of mitochondrial metabolism sensitizes pediatric malignant rhabdoid tumors to low-dose radiotherapy

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Science advances 2025年第21期11卷 eadv2930页

作者： Wenxi Xia Esther Need Carmine Schiavone Neetu Singh Jiemin Huang Matthew Goff Joseph Cave David L Gillespie Randy L Jensen Mark D Pagel Prashant Dogra Sixiang Shi Shreya Goel Department of Molecular Pharmaceutics University of Utah Salt Lake City UT 84112 USA. Mathematics in Medicine Program Department of Medicine Houston Methodist Research Institute Houston TX 77030 USA. Department of Chemical Materials and Industrial Production Engineering University of Naples Federico II Naples Italy. Physiology Biophysics and Systems Biology Program Graduate School of Medical Sciences Weill Cornell Medicine New York NY 10065 USA. Department of Neurosurgery Huntsman Cancer Institute University of Utah Salt Lake City UT 84132 USA. Department of Medical Physics University of Wisconsin-Madison Madison WI 53705 USA. Department of Physiology and Biophysics Weill Cornell Medical College New York NY 10065 USA. Department of Radiology and Imaging Sciences University of Utah Salt Lake City UT 84112 USA. Department of Biomedical Engineering University of Utah Salt Lake City UT 84112 USA.

Tumor hypoxia leads to radioresistance and markedly worse clinical outcomes for pediatric malignant rhabdoid tumors (MRTs). Our transcriptomics and bioenergetic profiling data reveal that mitochondrial oxidative phosphorylation is a metabolic vulnerability of MRT and can be exploited to overcome consumptive hypoxia by repurposing an FDA-approved antimalarial drug, atovaquone (AVO). We then establish the utility of oxygen-enhanced-multispectral optoacoustic tomography, a label-free, ionizing radiation-free imaging modality, to visualize and quantify spatiotemporal changes in tumor hypoxia in response to AVO. We show a potent but transient increase in tumor oxygenation upon AVO treatment that results in complete elimination of tumors in all tested mice when combined with 10-gray radiotherapy, a dose several times lower than the current clinic standard. Last, we use translational mathematical modeling for systematic evaluation of dosing regimens, administration timing, and therapeutic synergy in a virtual patient cohort. Together, our work establishes a framework for safe and pediatric patient-friendly image-guided metabolic radiosensitization of rhabdoid tumors.

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Author Correction: Generation of accurate, expandable phylogenomic trees with uDance

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Nature biotechnology 2024年第5期42卷 814页

作者： Metin Balaban Yueyu Jiang Qiyun Zhu Daniel McDonald Rob Knight Siavash Mirarab Bioinformatics and Systems Biology Graduate Program University of California San Diego La Jolla CA USA. Department of Electrical and Computer Engineering University of California San Diego La Jolla CA USA. Biodesign Center for Fundamental and Applied Microbiomics Arizona State University Tempe AZ USA. School of Life Sciences Arizona State University Tempe AZ USA. Department of Pediatrics University of California San Diego La Jolla CA USA. Department of Computer Science and Engineering Jacobs School of Engineering University of California San Diego La Jolla CA USA. Department of Bioengineering University of California San Diego La Jolla CA USA. Center for Microbiome Innovation Jacobs School of Engineering University of California San Diego La Jolla CA USA. Department of Electrical and Computer Engineering University of California San Diego La Jolla CA USA. smirarab@ucsd.edu. Department of Computer Science and Engineering Jacobs School of Engineering University of California San Diego La Jolla CA USA. smirarab@ucsd.edu. Center for Microbiome Innovation Jacobs School of Engineering University of California San Diego La Jolla CA USA. smirarab@ucsd.edu.

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Basic study on effects of water content on printing paper on equivalent thermal conductivity

Basic study on effects of water content on printing paper on...

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Printing for Fabrication 2018: Materials, Applications, and Processes, NIP 2018

作者： Fukue, Takashi Terao, Hirotoshi Hirose, Koichi Wauke, Tomoko Hoshino, Hisashi Sato, Koji Endo, Mayu Practical Engineering Education Program Kanazawa Institute of Technology Nonoichi Japan ALPS Electric Co. Ltd Osaki Japan Department of Systems Innovation Engineering Iwate University Morioka Japan Graduate School of Iwate University Morioka Japan

ISBN: (纸本)9780892083367

This paper describes a relationship between a water content of printing paper and an equivalent thermal conductivity that affects to printing quality of printers using the heat such as laser printers and direct thermal printers. Our study targets to describe the relationship between the water content and the thermal conduction in the printing process. Especially in this report, we firstly investigated a relationship between the humidity around the paper and the change of the water content of the thermal paper. The dried thermal paper was mounted in the constant temperature and humidity chamber and the time history of the change of the paper weight was measured by using the precision balance. It is found that the water content of the thermal paper is dependent on the humidity. However, even if the humidity around the paper is changed, the water content of the paper is rapidly saturated according to the humidity. Therefore, from the viewpoint of the thermal design of the printing process, the transient change of the water content of the paper may not become important against the value of the humidity itself. In addition, the relationship between the water content of the paper and the thermal conductivity was investigated through a combination of the 1-dimensional thermal conduction experiment in the constant temperature and humidity chamber with the thermal network analysis. © 2018 Society for Imaging Science and Technology.

关键词： Printing presses

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ELSA-Py - Open-Source Extension for Communication and Data Management in Interactive Remote Experimentation Under Ilab Shared Architecture

ELSA-Py - Open-Source Extension for Communication and Data M...

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APCA International Conference on Automatic Control and Soft Computing (CONTROLO)

作者： Thiago Schaedler Uhlmann Pedro Henrique Dos Santos Sbais Luciano Antonio Mendes Industrial and Systems Engineering Graduate Program Pontifical Catholic University of Parana Curitiba Brazil

Paper depicts an architecture expansion for communication and data management that can be used in Remote Experimentation and Game-Based Learning. This architecture is compliant with iLab Shared Architecture and is based upon open source software and hardware, in particular low cost platforms such as the Raspberry Pi 3. It consists of three main entities: user-side interface, experiment-side (lab) application and, interconnecting both, the cloud server enhanced with the messaging intermediator. Architecture takes into account typical requirements for educational institutions, such as open-source technologies, remote systems usage management (service brokerage) and security. In trial implementations, three single-user, remotely operated experiments have been enabled using ELSA-Py, in which students will be able to practice concepts of lean production (LyMIE), object position control (Windball) and image calibration (TabRecon). The integration has been tested and the performance of ELSA-Py architecture as a tool do deploy educational remotely operated systems is discussed.

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Preparation and Properties of Phase Change Material by Microencapsulation of Lauric Acid for Thermal Regulation

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IOP Conference Series: Materials Science and engineering 2020年第1期778卷

作者： M K Gecain R L De Leon Energy Engineering Program National Graduate School of Engineering University of the Philippines 1101 Diliman Quezon City Philippines Fuels Energy and Thermal Systems Laboratory Chemical Engineering Department College of Engineering University of the Philippines 1101 Diliman Quezon City Philippines

Lauric acid, the phase change material (PCM) in this study, is encapsulated in a silica shell using a modified sol-gel method. Encapsulation was done at varying pH, mixing ratio, drying temperature and drying time. Analysis of variance revealed that all these parameters and their interactions affect the PCM yield and encapsulation ratio. FT-IR and DSC Analysis showed that the microencapsulated PCM (μPCM) formed using 1:1:2 mixing ratio of Tetraethyl orthosilicate: Ethanol: Water, with pH ~1.92 and drying condition of 100°C for 7hr had a latent heat of fusion (207.65 J/g) similar to that of pure PCM with latent heat of fusion of 212.47 J/g ). SEM Analysis and DSC were utilized to confirm the efficiency of encapsulation of PCM. The glass sheet with μPCM and binder was found to have a latent heat of 182.14 J/g and a thermal conductivity of 0.0537 W/mK. The glass with silica microencapsulated lauric acid exhibited potential application for energy conservation.

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Grasping and attached mode in human-computer interaction in the study of mouse substitution

Grasping and attached mode in human-computer interaction in ...

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International Conference on Information System, Computer Science and engineering 2018, ICONISCSE 2018

作者： Widodo, R.B. Quita, R.M. Amrizal, S. Gunawan, R.S. Wada, C. Ardiansyah, A. Sutrisno, I. Rahmat, M.B. Arfianto, A.Z. Handoko, C.R. Santoso, A.D. Santosa, A.W.B. Ardhana, V.Y.P. Setiawan, E. Informatics Engineering Study Program Ma Chung University Malang65151 Indonesia Department of Mathematics Faculty of Science National Central University Taoyuan City32001 Taiwan Graduate School of Life Science and Systems Engineering Kyushu Institute of Technology Wakamatsu Fukuoka808-0196 Japan Politeknik Pelayaran Surabaya Gunung Anyar Surabaya60294 Indonesia Department of Marine Electrical Engineering Politeknik Perkapalan Negeri Surabaya Sukolilo Surabaya60111 Indonesia Departemen Teknik Perkapalan Fakultas Teknik Universitas Diponegoro Semarang50275 Indonesia Universitas Qamarul Huda Badaruddin Bagu Central Lombok Indonesia

Some disabilities caused by sensory malfunction, accident, or congenital disorder could cause people difficulty in grasping the computer mouse. A well-known substitute uses an inertial sensor to monitor the body's orientation. This paper evaluates the efficiency and effectiveness of different methods of holding the sensor. There are two modes of holding the sensor, the grasping mode and the attached mode;we also evaluate a mouse as a baseline. The attached mode works by placing the sensor on the back of user's hand. The quantitative and qualitative evaluation procedure is based on ISO/TS 9241 part 411: Ergonomics of human-system interaction standard. The test consists of four levels of difficulty and indicates that the throughput and task completion times were not statistically different between grasping and attached mode. We also found that grasping mode and attached mode did not show significantly statistical differences in comfort and fatigue based on the questionnaires. The results also suggest that the orientation of the hand used in grasping and attached modes is suitable only for lower-impact computer use. © Published under licence by IOP Publishing Ltd.

关键词： Ergonomics

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Coordinated Control of Parallel Power Conditioners Synthesizing Resistive Loads in Single-Phase AC Microgrids

Coordinated Control of Parallel Power Conditioners Synthesiz...

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European Conference on Power Electronics and Applications

作者： Augusto Matheus dos Santos Alonso Danilo Iglesias Brandao Fernando Pinhabel Marafão Elisabetta Tedeschi Norwegian University of Science & Technology (NTNU) Trondheim Norway Graduate Program in Electrical Engineering Federal University of Minas Gerais (UFMG) Belo Horizonte Brazil Group of Automation and Integrated Systems Sao Paulo State University (UNESP) Sorocaba Brazil

Without proper coordination, power conditioners within microgrids are prone to suffer from resonance phenomena due to the complex and dynamic interactions among the main grid, nonlinear loads and distributed converters. In addition to the detriment of grid-connected devices and loads, harmonic voltage resonances may also lead to microgrid instability. As a consequence, the steering of distributed power conditioners to diminish voltage distortions and suppress undesired currents has been playing a key role on enhancing the operational stiffness of microgrids. In general, such conditioners are driven by the synthesis of sinusoidal currents independently on the status of voltage waveforms, which may not adequately damp harmonic resonances and still jeopardize system stability. Thus, this work proposes the coordination of multiple parallel power conditioners, which are driven as controlled current sources, through a current-based approach that synthesizes resistive loads, enhancing the system capability to damp voltage resonances, as well as improving power quality within microgrids. Simulation results comprising a single-phase microgrid with resonant and nonlinear loads, as well as two distributed power conditioners, are presented to demonstrate the effectiveness of the approach.

关键词： Harmonic analysis Microgrids Europe Power harmonic filters Voltage control Power electronics

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