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2024 International Conference on Electronics, Information, and Communication, ICEIC 2024

作者： Miura, Yuto Nishikawa, Hiroki Kong, Xiangbo Tomiyama, Hiroyuki Graduate School of Science and Engineering Ritsumeikan University Shiga Japan Graduate School of Information Science and Technology Osaka University Osaka Japan Graduate School Toyama Prefectural University Faculty of Engineering Toyama Japan

ISBN: (纸本)9798350371888

Recently, FPGAs have been used as IoT devices and are equipped with cryptographic circuits to ensure security. However, they are in danger of having their cryptographic keys stolen by side-channel attacks. In order to provide scalable security countermeasures against the increasing diversity of attacks, we investigate the basic characteristics of side-channel attacks. In this study, we perform a simulation-based demonstration of power side-channel attack on AES circuit to investigate the impact of two timing factors, clock frequency and sampling intervals, on side-channel attack resistance. © 2024 IEEE.

关键词： Side channel attack

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Fabrication of SiC particle dispersed AZ91D magnesium alloy composite by injection molding method and their properties

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Keikinzoku/Journal of Japan Institute of Light Metals 2024年第3期74卷 141-146页

作者： Hideshima, Yasutoshi Maeda, Fumiya Fukuta, Tadao Ozaki, Koichi Graduate School of Computer Science and Systems Engineering Okayama Prefectural University 111 Kuboki Okayama Soja-shi719-1197 Japan Process Technology Development Department Technology Development Division Seiko Epson Co. Suwa-shi Nagano Japan Faculty of Computer Science and Systems Engineering Okayama Prefectural University Okayama Soja-shi Japan

AZ91D magnesium alloy chips were coated with SiC powder using a binder, and injection molding was attempted using SiC powder coated magnesium chips as raw material. The metallurgical structure of the injection molded products showed uniform dispersion of SiC particles in the matrix, and there were no significant defects such as voids at the SiC particle-matrix interface. The hardness and 0.2% proof stress of the injection molded products tended to improve with increasing SiC content, while the elongation decreased with increasing SiC content. The Young's modulus of the injection molded products improved with increasing SiC content. It was confirmed that the specific bending rigidity of the injection molded products also improves due to the significant increase in the Young's modulus, although the addition of SiC leads to an increase in density. © 2024 The Japan Institute of Light Metals.

关键词： Silicon carbide

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Flexible pressure sensors with ultrahigh stress tolerance enabled by periodic microslits

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Microsystems & Nanoengineering 2024年第1期10卷 301-311页

作者： Song Wang Chenying Wang Yifan Zhao Yujing Zhang Yaxin Zhang Xiangyue Xu Qijing Lin Kai Yao Yuheng Wang Feng Han Yu Sun Zhuangde Jiang State Key Laboratory for Manufacturing Systems Engineering International Joint Laboratory for Micro/Nano Manufacturing and Measurement TechnologiesSchool of Mechanical EngineeringXi’an Jiaotong UniversityXi’anChina State Key Laboratory for Manufacturing Systems Engineering International Joint Laboratory for Micro/Nano Manufacturing and Measurement TechnologiesSchool of Instrument Science and TechnologyXi’an Jiaotong UniversityXi’anChina The Faculty of Electrical Engineering and Computer Science Ningbo UniversityNingboChina Department of Mechanical and Industrial Engineering University of TorontoTorontoCanada

Stress tolerance plays a vital role in ensuring the effectiveness of piezoresistive sensing films used in flexible pressure ***,existing methods for enhancing stress tolerance employ dome-shaped,wrinkle-shaped,and pyramidal-shaped microstructures in intricate molding and demolding processes,which introduce significant fabrication challenges and limit the sensing *** address these shortcomings,this paper presents periodic microslits in a sensing film made of multiwalled carbon nanotubes and polydimethylsiloxane to realize ultrahigh stress tolerance with a theoretical maximum of 2.477 MPa and a sensitivity of 18.092 kPa−*** periodic microslits permit extensive deformation under high pressure(e.g.,400 kPa)to widen the detection ***,the periodic microslits also enhance the sensitivity based on simultaneously exhibiting multiple synapses within the sensing interface and between the periodic sensing *** proposed solution is verified by experiments using sensors based on the microslit strategy for wind direction detection,robot movement sensing,and human health *** these experiments,vehicle load detection is achieved for ultrahigh pressure sensing under an ultrahigh pressure of over 400 kPa and a ratio of the contact area to the total area of 32.74%.The results indicate that the proposed microslit strategy can achieve ultrahigh stress tolerance while simplifying the fabrication complexity of preparing microstructure sensing films.

关键词： robot shaped stress

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BEHAVIOR OF BUILT-UP BEAM USING HOT-ROLLED CHANNEL STEEL SUBJECTED TO CYCLIC LOADINGS

Journal of Structural and Construction Engineering

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Journal of Structural and Construction engineering 2023年第806期88卷 666-674页

作者： Zhang, Zilu Kanao, Iori Li, Jun Graduate School of Science and Technology Kyoto Institute of Technology Japan Faculty of Design and Architecture Kyoto Institute of Technology Japan School of Civil Engineering Qingdao University of Technology China

Finite element analysis is conducted on the built-up beam using hot-rolled channel steel subjected to vertical load and cyclic antisymmetric moment. The following were obtained. 1. The separation between channel steels will affect the strength and deformation of the built-up beam. 2. Suitable bolt arrangements can prevent capacity deterioration, HS01.5H and S3H are recommended. 3. The equal arrangement of lateral bracing is proposed. For maximum amplitude is 6θp, the spacing is 10 times beam-width for λy250, and additional bracings are required for λy＞250. © 2023 Architectural Institute of Japan. All rights reserved.

关键词： Hot rolling

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Steady-State Solution ofMHD Flow with Induced Magnetic Field

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Fluid Dynamics & Materials Processing 2025年第2期21卷 233-252页

作者： Saykat Poddar JuiSaha Badhan Neogi Mohammad Sanjeed Hasan Muhammad Minarul Islam Giulio Lorenzini Md.Mahmud Alam Department of Mathematics Faculty of ScienceBangabandhu Sheikh Mujibur Rahman Science and Technology UniversityGopalganj8100Bangladesh Department of Industrial Systems and Technologies Engineering University of ParmaParma43124Italy Mathematics Discipline ScienceEngineering and Technology SchoolKhulna UniversityKhulna9208Bangladesh

This study presents a numerical analysis of the steady-state solution for transient magnetohydrodynamic(MHD)dissipative and radiative fluid flow,incorporating an inducedmagnetic field(IMF)and considering a relatively high concentration of foreign mass(accounting for Soret and Dufour effects)over a vertically oriented semi-infinite *** governing equations were normalized using boundary layer(BL)*** resulting nonlinear system of partial differential equations(PDEs)was discretized and solved using an efficient explicit finite difference method(FDM).Numerical simulations were conducted using MATLAB R2015a,and the developed numerical code was verified through comparison with another code written in FORTRAN *** ensure the reliability of the results,both mesh refinement and steady-state time validation tests were ***,a comparison with existing published studies was made to confirm the accuracy of the *** dimensionless equations revealed the impacts of several key *** IMF initially intensifies near the plate before gradually diminishing as the magnetic parameter *** the range 0≤y≤1.8(where y is the horizontal direction),the IMF decreases with a rise in the magnetic Prandtl number;however,for 1.8≤y≤7(approximately),the magnetic field begins to *** this,the profile of the magnetic field becomes somewhat irregular through the remaining part of the BL.

关键词： MHD stability analysis finite difference method(FDM)

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Regional and Altitudinal Differences on Road Usage Recovery in Aomori Prefecture Following the 2011 Tohoku Earthquake

IAENG International Journal of Computer Science

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IAENG International Journal of Computer science 2024年第11期51卷 1880-1885页

作者： Gao, Shouyi Endo, Noriaki Saito, Mitsugu Design and Media Technology Graduate School of Engineering Iwate University Iwate Morioka Japan Faculty of Sport Science Department of Sport Intelligence and Mass Media Sendai University Miyagi Shibata Japan Department of Design and Media Technology Graduate School of Engineering Iwate University Iwate Morioka Japan

We evaluate regional and altitudinal differences in road recovery in Aomori Prefecture following the 2011 Tohoku Earthquake. We divided Aomori Prefecture into six regions, i.e., Shimokita, Kamikita, Sannpachi, Tosei, Chunan, and Seihoku regions. Next, we divided Aomori Prefecture into two areas, namely Low Altitude Area and High Altitude Area. In this context, altitude means the height above sea level. Low Altitude Area is under 50 meters above sea level. And, High Altitude Area is over 50 meters above sea level. The cumulative usable road distance ratio of the main roads both for the Low Altitude Area and for the High Altitude Area had been precisely calculated for each city from telematics data using the open source geographical information software. Defining the cumulative usable distance up to September 30, 2011 as 100%, the percentages of usable road distances were calculated. According to the results of our study, we conclude that the recovery conditions of regional roads in different altitude areas of Aomori Prefecture following the 2011 Tohoku Earthquake differed. Furthermore, we also conclude that the land shape of the regions is closely related to road usage recovery. © (2024), (International Association of Engineers). All rights reserved.

关键词： Earthquakes

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Prototype of Automatic Error Repair Tool in Control Statements Caused by Grammatical Knowledge of Multiple Programming Languages

Computer Software

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Computer Software 2022年第4期39卷 38-48页

作者： Hachisu, Yoshinari Azuma, Naoki Mikami, Hiro Nagano, Koudai Yoshida, Atsushi Kuwabara, Hiroaki Faculty of Science and Technology Nanzan University Japan Graduate of Faculty of Science and Engineering Nanzan University Japan Graduate of Faculty of Science and Engineering Nanzan University Graduate School of Informatics Nagoya University Japan Graduate of Faculty of Science and Engineering Nanzan University BUFFALO INC Japan Faculty of Science and Technology Nanzan University Japan

We propose a method to automatically correct erroneous control statements written in C, PHP, JavaScript, Python, and Ruby, in case statements are written according to the grammar of another language or mixed grammar of multiple languages. Such kinds of errors are likely to be made when a programmer learns multiple programming languages. In order to support the correction of such errors, we propose a method to analyze a grammatical erroneous code fragment with expression level syntax analysis, and to convert the code through a common model of control statements. © 2022 Japan Society for Software science and technology. All rights reserved.

关键词： C (programming language)

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EXPERIMENTAL STUDY ON RESPONSE CHARACTERISTICS OF SEISMICALLY ISOLATED BUILDING AGAINST TSUNAMI SURGE FORCES

Journal of Structural and Construction Engineering

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Journal of Structural and Construction engineering 2024年第815期89卷 22-30页

作者： Kobayashi, Masahito Usami, Takanori Ehara, Ryo Kawakami, Yoshitsugu Fujimori, Satoru School of Science and Technology Meiji Univ. Japan Graduate School of Science and Technology Meiji Univ. Japan Faculty of Engineering Hiroshima Institute of Technology Japan Structural Design Div. MHS Planners Architects and Engineers Japan

The 2011 off the Pacific coast of Tohoku Earthquake caused extensive damage to many buildings by the tsunami, but no structural damage to seismically isolated buildings (SIBs) has been reported, and the safety of SIBs against tsunami is still unclear. In this study, hydraulic model experiments were conducted on SIBs to analyze the surge forces acting on SIBs and the pressure distribution on the superstructure. In addition, the response of the seismic isolation interface was analyzed to study the dynamic effects of the surge forces on SIBs. © 2024 Architectural Institute of Japan. All rights reserved.

关键词： Tsunamis

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iLIAC: An approach of identifying dissimilar groups on unstructured numerical image dataset using improved agglomerative clustering technique

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Multimedia Tools and Applications 2024年第39期83卷 86359-86381页

作者： S, Sreedhar Kumar Ahmed, Syed Thouheed Fathima, Afifa Salsabil Mathivanan, Sandeep Kumar Jayagopal, Prabhu Saif, Abdu Gupta, Sachin Kumar Sinha, Garima Department of Computer Science and Engineering School of Engineering and Technology CMR University Karnataka Bengaluru India Department of Electrical Engineering Indian Institute of Technology Hyderabad Telangana Kandi India School of Computer Science and Engineering REVA University Bangalore India School of Computer Science and Engineering Galgotias University Uttar Pradesh Greater Noida203201 India School of Computer Science Engineering and Information Systems Vellore Institute of Technology Tamil Nadu Vellore632014 India Department of Communication and Computer Engineering Faculty of Engineering and IT Taiz University Taiz Yemen Katra India Department of Computer Science Engineering Jain University Bangalore India

Unstructured Numerical Image Dataset Separation (UNIDS) method employing an enhanced unsupervised clustering technique. The objective is to delineate an optimal number of distinct groups within the input grayscale (G-S) image content, utilizing the improved limited iteration agglomerative clustering (iLIAC) clustering technique for the separation and enhancement of picture elements. The UNIDS method is structured into two primary stages: partitioning and validation. In the partitioning stage, the UNIDS method identifies an appropriate number of discrete clusters within the grayscale image using the iLIAC technique, eliminating the need for predetermined procedures. Subsequently, the method evaluates the similarity and deviation among data elements within the same group in the resultant image dataset. Additionally, it assesses the proximity and inters severance among clusters in the outcome of the image dataset through the partitioning process. Empirical results indicate that the UNIDS system excels in the spontaneous identification of an optimal number of discrete clusters within the input G-S image. The system demonstrates superior thickness, reduced deviation among data elements within the same cluster, increased inter-separation, and diminished inter-closeness between cluster elements. Furthermore, empirical analysis establishes the superior performance of the UNIDS approach compared to existing clustering techniques. © The Author(s), under exclusive licence to Springer science+Business Media, LLC, part of Springer Nature 2024.

关键词： Iterative methods

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Evolutionary Optimization Methods for High-Dimensional Expensive Problems:A Survey

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IEEE/CAA Journal of Automatica Sinica 2024年第5期11卷 1092-1105页

作者： MengChu Zhou Meiji Cui Dian Xu Shuwei Zhu Ziyan Zhao Abdullah Abusorrah Department of Electrical and Computer Engineering New Jersey Institute of TechnologyNewarkNJ 07102 USA School of Information and Electronic Engineering Zhejiang Gongshang UniversityHangzhou 310018China School of Intelligent Manufacturing Nanjing University of Science and TechnologyNanjing 210094China Institute of Systems Engineering Macao University of Science and TechnologyMacao 999078China School of Artificial Intelligence and Computer Jiangnan UniversityWuxi 214122China School of Information Science and Engineering Northeastern UniversityShenyang 110819China Center of Research Excellence in Renewable Energy and Power Systems Department of Electrical and Computer EngineeringFaculty of EngineeringKing Abdulaziz UniversityJeddah 21589Saudi Arabia K.A.CARE Energy Research and Innovation Center King Abdulaziz UniversityJeddah 21589Saudi Arabia

Evolutionary computation is a rapidly evolving field and the related algorithms have been successfully used to solve various real-world optimization *** past decade has also witnessed their fast progress to solve a class of challenging optimization problems called high-dimensional expensive problems(HEPs).The evaluation of their objective fitness requires expensive resource due to their use of time-consuming physical experiments or computer ***,it is hard to traverse the huge search space within reasonable resource as problem dimension *** evolutionary algorithms(EAs)tend to fail to solve HEPs competently because they need to conduct many such expensive evaluations before achieving satisfactory *** reduce such evaluations,many novel surrogate-assisted algorithms emerge to cope with HEPs in recent *** there lacks a thorough review of the state of the art in this specific and important *** paper provides a comprehensive survey of these evolutionary algorithms for *** start with a brief introduction to the research status and the basic concepts of ***,we present surrogate-assisted evolutionary algorithms for HEPs from four main *** also give comparative results of some representative algorithms and application ***,we indicate open challenges and several promising directions to advance the progress in evolutionary optimization algorithms for HEPs.

关键词： computer optimization evolutionary

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