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Supply Chain Sustainability in Disruption: SC Intelligence, Customer Knowledge Transfer, and the Mediating Role of IS/IT

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IEEE engineering management Review 2025年

作者： Ratna, Silvia Saide, Saide Rater, Salya Svyazhanovna, Baizakova Saule Herzavina, Herzavina Faculty of Information Technology Department of Informatics Engineering and Department of Information Systems Banjarmasin Indonesia State Islamic University of Sultan Syarif Kasim Riau Universitas Islam Negeri Sultan Syarif Kasim Riau-UIN SUSKA Riau Department of Information Systems Faculty of Science and Technology Indonesia PRO Knowledge Indonesia Pekanbaru Indonesia Universitas Pahlawan Tuanku Tambusai Indonesia Lembaga Enreach UIN Suska Riau Indonesia Politeknik Aceh Selatan Department of Informatics Engineering Aceh Indonesia Information Communication Technologies Robotics in Arkalyk Pedagogical Institute Master of Natural Sciences Educational Program for the Informatics Computer Science Kazakhstan Universitas Pahlawan Tuanku Tambusai Department of Informatics Engineering Indonesia National Taiwan University of Science and Technology Taiwan

Knowledge resource and information system/technology (IS/IT) capability have been considered to improve firm performance, however there is still a gap regarding the sustainability of supply chain to face and recover from disruption (e.g., COVID-19). Questionnaire-based surveys was adopted and received feedback from sixty (160) Indonesian companies or about 28.07% of response rate. © 1973-2011 IEEE.

关键词： customer knowledge transfer disruption information system/technology (IS/IT) responding knowledge management resource-based view (RBV) Supply chain (SC) sustainability supply chain knowledge transfer

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Early engineering experience (E3) initiative

Early engineering experience (E3) initiative

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2020 ASEE Virtual Annual Conference, ASEE 2020

作者： Carter, Danielle Nicole Landaeta, Rafael E. Department of Engineering Management and Systems Engineering Old Dominion University in Norfolk NorfolkVA23462 United States

This Work in Progress paper details an initiative designed to broaden exposure and attract increased interest in the study of engineering of a minority-serving institution (MSI) with a plurality of races represented. The University's student population where this initiative is being implemented consists of 26.2% African American and 6% that identify with two or more races. In contrast, the College of engineering in this University is 20% African American;the freshmen class makes up 6.3% of this figure. By USDOE standards, this characterization is indicative of a predominantly white institution (PWI). According to the Bureau of Labor Statics, underrepresented minorities (URMs) are critical to not only fulfilling the growing need for STEM professionals but also to enhance diversity in the workforce;the National Academy of Science report states similar theories about the need of URMs to increase innovation. This paper focuses on reporting on an initiative seeking to close the gap of African American representation between the College and the University and foster the innovation of URMs in engineering. The initiative Early engineering Experience targets African American high school juniors and seniors. Designing the program began with the Participatory Action Research Model that ultimately ends with continual program enhancement. The structure of the initiative is not only based on the details of the schedule but also on the feedback of the participants. The lack of URMs in the college provoked an idea from personal experiences at other minority events. With the use of a systematic online document review of current weekend outreach programs, a plan of action was developed, and effective program designs were synthesized. Based on the systematic review of similar programs, the current plan is to implement a program in February of 2020 that will target about 30 participants. Mentees will be able to connect with multiple organizations such as the VEX robotics club, the Nati

关键词： Students

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Exploring coral reef benefits: A systematic SEEA-driven review

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Science of the Total Environment 2024年 950卷 175237页

作者： Yuan, Mei-Hua Lin, Kuan-Ting Pan, Shu-Yuan Yang, Chih-Kai Taipei City105024 Taiwan Department of Bioenvironmental Systems Engineering College of Bioresources and Agriculture National Taiwan University Taipei City10617 Taiwan Agricultural Net-Zero Carbon Technology and Management Innovation Research Center College of Bioresources and Agriculture National Taiwan University Taipei City10617 Taiwan Graduate Institute of Environmental Engineering National Taiwan University Taipei City10617 Taiwan

Coral reefs are among the most diverse and valuable ecosystems on the planet, providing numerous benefits to human societies, including fisheries, coastal protection, and biodiversity conservation. In order to effectively manage and conserve coral reefs, it is essential to understand the value of the ecosystem services they provide. The System of Environmental-Economic Accounting (SEEA) framework offers a comprehensive approach for accounting for ecosystem services, which can be useful for assessing the value of natural environments. While the validity of SEEA for many marine ecosystems is increasingly acknowledged, there remains a scarcity of studies that have investigated SEEA in the context of coral reef ecosystems. To bridge this gap, this study offers extensive examination and investigates the evolution of coral reef ecosystem service research under the SEEA framework in over nearly three decades, providing a rich dataset for understanding trends and gaps. The research findings reveal interdisciplinary methodological integration in coral reef ecosystem research, incorporating remote sensing, environmental science, ecology, environmental economics, ecological economics, computer science, and citizen science. Across different time periods, within the shared focus of coral reef health and sustainability, there has been a transition from concerns about the impacts of human activities to a concentration on climate change, supported by empirical evidence and case studies. These research results contribute to our better understanding of the value of coral reef ecosystems. © 2024 The Authors

关键词： Sustainable development

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UV light driven high-performance room temperature surface acoustic wave NH_(3) gas sensor using sulfur-doped g-C_(3)N_(4) quantum dots

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Nano Research 2023年第5期16卷 7682-7695页

作者： Kedhareswara Sairam Pasupuleti Sourabh S.Chougule Devthade Vidyasagar Na-hyun Bak Namgee Jung Young-Heon Kim Jong-Hee Lee Song-Gang Kim Moon-Deock Kim Department of Physics Chungnam National University99 Daehak-roYuseong-guDaejeon 34134Republic of Korea Graduate School of Energy Science and Technology(GEST) Chungnam National University99 Daehak-roYuseong-guDaejeon 34134Republic of Korea Department of Materials Science and Engineering Kyungpook National University80 Daehak-roBuk-guDaegu 41566Republic of Korea Graduate School of Analytical Science and Technology Chungnam National University99 Daehak-roYuseong-guDaejeon 34134Republic of Korea Department of Digital Agricultural Promotion Agricultural Cooperative UniversityGoyang-siGyeonggi-do 10292Republic of Korea Department of Smart Information Technology Joonbu University305 Donghen-roGoyangKyunggi-do 10279Republic of Korea Institute of Quantum Systems(IQS) Chungnam National University99 Daehak-roYuseong-guDaejeon 34134Republic of Korea

Nanomaterials integrated surface acoustic wave(SAW)gas sensing technology has emerged as a promising candidate for realtime toxic gas sensing applications for environmental and human health ***,the development of novel chemical interface based on two-dimensional(2D)sensing materials for SAW sensors for the rapid and sensitive detection of NH_(3)gas at room temperature(RT)still remains ***,we report a highly selective RT NH_(3)gas sensor based on sulfur-doped graphitic carbon nitride quantum dots(S@g-C_(3)N_(4)QD)coated langasite(LGS)SAW sensor with enhanced sensitivity and recovery rate under ultraviolet(UV)***,the sensitivity of the S@g-C_(3)N_(4)QD/LGS SAW sensor to NH_(3)(500 ppb)at RT is dramatically enhanced by~4.5-fold with a low detection limit(~85 ppb),high selectivity,excellent reproducibility,fast response/recovery time(70 s/79 s)under UV activation(365 nm)as compared to dark ***,the proposed sensor exhibited augmented NH_(3)detection capability across the broad range of relative humidity(20%–80%).Such remarkable gas sensing performances of the as-prepared sensor to NH_(3)are attributed to the high surface area,enhanced functional groups,sulfur defects,UV photogenerated charge carriers,facile charge transfer in the S@g-C_(3)N_(4)QD sensing layer,which further helps to improve the gas molecules adsorption that causes the increase in conductivity,resulting in larger frequency *** gas sensing mechanism of S@g-C_(3)N_(4)QD/LGS SAW sensor is ascribed to the enhanced electroacoustic effect,which is supported by the correlation of resistive type and COMSOL Multiphysics simulation *** envisage that the present work paves a promising strategy to develop the next generation 2D g-C_(3)N_(4)based high responsive RT SAW gas sensors.

关键词： two-dimensional graphitic carbon nitride(2D g-C_(3)N_(4)) sulfur doping quantum dots surface acoustic wave(SAW)sensor NH_(3)gas electroacoustic effect

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All-Electric Ship On-Board Continuous Sustainable H2 Generation from Aluminum Scrap and Seawater

All-Electric Ship On-Board Continuous Sustainable H2 Generat...

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IEEE Electric Ship Technologies Symposium, ESTS

作者： Dhyogo M. Taher Wellington Balmant Stephan H. Och Diogo B. Pitz Giuliana S. Venter Lucio C. Filho Lauber S. Martins José V. C. Vargas Juan C. Ordonez Graduate Program in Mechanical Engineering and Sustainable Energy Research and Development Center Federal University of Paraná UFPR Curitiba PR Brazil Department of Chemical Engineering Maringá State University UEM Maringá PR Brazil Department of Health and Biomedical Sciences Advent Health University AHU Orlando FL USA Department of Mechanical Engineering Center for Advanced Power Systems and Energy and Sustainability Center Florida State University FSU Tallahassee FL USA

A mathematical model of a sustainable H2 generation reactor that utilizes aluminum and seawater is introduced. Conservation of species and the kinetics of the H2 production reaction from aluminum and seawater allowed for obtaining the process transient response in a batch reactor. Continuous steady state production was assessed by adding a balance of energy, allowing for reactants inlet mass flow rates, and calculating the outlet H2 mass flow (generation) rate. The theoretical H2 production curve data showed good quantitative and qualitative agreement with experimental data. The validated mathematical model was then used to optimize the continuous reactor. The maximum was sharp, since an 85% variation between the maximum and the smallest H2 generation rate value as a function of the inlet NaOH solution volumetric flow rate tested range was verified. Such fundamental result stresses the importance of operating the system at the optimal condition, no matter how complex the actual reactor design may be. Since aluminum is inexpensive, abundant, and fully recyclable, in situ sustainable H2 production could allow for fuel cell stacks to become all electric ships (AES) power sources.

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Soil texture affects the conversion factor of electrical conductivity from 1:5 soil-water to saturated paste extracts

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Pedosphere 2022年第6期32卷 905-915页

作者： Bo-Seong SEO Young-Jae JEONG Nu-Ri BAEK Hyun-Jin PARK Hye In YANG Se-In PARK Woo-Jung CHOI Department of Rural and Bio-systems Engineering(BK21) Chonnam National UniversityGwangju 61186(Republic of Korea) Department of Renewable Resources University of AlbertaEdmontonAlberta T6G 2E3(Canada) Max Planck Institute for Biogeochemistry Jena 07745(Germany) National Institute of Environmental Research Incheon 22689(Republic of Korea) AgriBio Institute of Climate Change Management Chonnam National UniversityGwangju 61186(Republic of Korea)

Electrical conductivity(EC)of soil-water extracts is commonly used to assess soil ***,its conversion to the EC of saturated soil paste extracts(ECe),the standard measure of soil salinity,is currently required for practical *** many regression models can be used to obtain ECe from the EC of soil-water extracts,the application of a site-specific model to different sites is not straightforward due to confounding soil factors such as soil *** study was conducted to develop a universal regression model to estimate a conversion factor(CF)for predicting EC_(e) from EC of soil-water extracts at a 1:5 ratio(EC_(1:5)),by employing a site-specific soil texture(i.e.,sand content).A regression model,CF=8.9105e^(0.0106sand)/1.2984(r^(2)=0.97,P<0.001),was developed based on the results of coastal saline soil surveys(n=173)and laboratory experiments using artificial saline soils with different textures(n=6,sand content=10%-65%)and salinity levels(n=7,salinity=1-24 dS m^(-1)).Model performance was validated using an independent dataset and demonstrated that EC_(e) prediction using the developed model is more suitable for highly saline soils than for low saline *** feasibility of the regression model should be tested at other *** soil factors affecting EC conversion factor also need to be explored to revise and improve the model through further studies.

关键词： coastal saline soils electrical conductivity prediction reclaimed tideland regression model sand content saturation percentage soil salinity

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Soft-matter robot that communicates humans by contacting

Soft-matter robot that communicates humans by contacting

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Pacific Rim Meeting on Electrochemical and Solid State Science 2020, PRiME 200

作者： Kameyama, T. Ogawa, J. Watanabe, Y. Shiblee, M.N.I. Khosla, A. Kawakami, M. Furukawa, H. Department of Mechanical Systems Engineering Graduate School of Science and Engineering Yamagata University Yonezawa Yamagata992-8510 Japan

ISBN: (纸本)9781607689089

In the field of soft robotics, research on soft matter robotics, in which the materials used to construct the robot are soft, has been progressing. In recent years, research on soft matter robotics has been carried out in order to make use of the flexibility of the materials used to construct the robot, or in other words, the body information of a soft body (1). In addition, there are attempts to apply the various functions of materials to the functions of robots(2), such as a robot made of hydrogel with shape memory (3)(4)(5). In this study, we focused on the communication between a soft robot and a human, and focused on a robot that communicates with a human by physical contact. In this study, we evaluated three patterns of human contact with soft and hard materials. We have also developed a simple robot that responds differently to the human touch to communicate with a soft material body, and it tries to communicate by being touched by humans. © The Electrochemical Society.

关键词： Robots

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Future-proofing geotechnics workflows: accelerating problem-solving with large language models

arXiv

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arXiv 2023年

作者： Wu, Stephen Otake, Yu Mizutani, Daijiro Liu, Chang Asano, Kotaro Sato, Nana Baba, Hidetoshi Fukunaga, Yusuke Higo, Yosuke Kamura, Akiyoshi Kodama, Shinnosuke Metoki, Masataka Nakamura, Tomoka Nakazato, Yuto Saito, Taiga Shioi, Akihiro Takenobu, Masahiro Tsukioka, Keigo Yoshikawa, Ryo Research Organization of Information and Systems The Institute of Statistical Mathematics Tokyo Japan The Graduate University for Advanced Studies Department of Statistical Science Tokyo Japan Department of Civil and Environmental Engineering Tohoku University Miyagi Japan Department of Urban Management Graduate School of Engineering Kyoto University Kyoto Japan Coastal Development Institute of Technology Tokyo Japan Civil Engineering Group Urban and Civil Project Department NIKKEN SEKKEI LTD Tokyo Japan Disaster Prevention Solution Department KOZO KEIKAKU ENGINEERING Inc. Tokyo Japan Port and Harbor Department National Institute for Land and Infrastructure Management Yokosuka Japan Railway Technical Research Institute Tokyo Japan

The integration of Large Language Models (LLMs) like ChatGPT into the workflows of geotechnical engineering has a high potential to transform how the discipline approaches problem-solving and decision-making. This paper delves into the innovative application of LLMs in geotechnical engineering, as explored in a hands-on workshop held in Tokyo, Japan. The event brought together a diverse group of 20 participants, including students, researchers, and professionals from academia, industry, and government sectors, to investigate practical uses of LLMs in addressing specific geotechnical challenges. The workshop facilitated the creation of solutions for four different practical geotechnical problems as illustrative examples, culminating in the development of an academic paper. The paper discusses the potential of LLMs to transform geotechnical engineering practices, highlighting their proficiency in handling a range of tasks from basic data analysis to complex, multimodal problem-solving. It also addresses the challenges in implementing LLMs, particularly in achieving high precision and accuracy in specialized tasks, and underscores the need for expert oversight. The findings demonstrate LLMs' effectiveness in enhancing efficiency, data processing, and decision-making in geotechnical engineering, suggesting a paradigm shift towards more integrated, data-driven approaches in this field. This study not only showcases the potential of LLMs in a specific engineering domain, but also sets a precedent for their broader application in interdisciplinary research and practice, where the synergy of human expertise and artificial intelligence redefines the boundaries of problem-solving. © 2023, CC BY-NC-SA.

关键词： Geotechnical engineering

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A transient stability enhancement method for Grid-Forming converters enabling operation across the four-quadrant range of Power Angle

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IEEE Journal of Emerging and Selected Topics in Power Electronics 2025年

作者： Abrantes-Ferreira, Armando J. G. Oliveira, Alexandre C. Lima, Antonio M. N. Wang, Xiongfei Universidade Federal de Campina Grande Graduate Program in Electrical Engineering Paraiba Campina Grande58429-900 Brazil KTH Royal Institute of Technology Division of Electric Power and Energy Systems Stockholm10044 Sweden Aalborg University Department of Energy Aalborg9220 Denmark

Grid-forming (GFM) converters are a promising solution for integrating converter-based resources into power grids and can be broadly categorized into (i) Synchronous Machine (SM)-inspired methods, which emulate SM control at different abstraction levels, and (ii) Virtual Oscillator Control (VOC) methods, based on oscillator network synchronization principles. Both behave as voltage sources, making them prone to transient angle instability under severe disturbances, despite differences in their phase synchronization dynamics. Existing transient stability enhancement methods for GFM converters restrict operation of power angle δ within the range [-90, 90°], limiting converter utilization and hence reducing its ability to support grid during contingencies. This paper analyzes the large-signal synchronization stability of two GFM methods—dispatchable VOC (dVOC) and Virtual Synchronous Generator (VSG)—and proposes a mode-adaptive power-angle control strategy to enhance their transient stability in ultra-weak grids, i.e., with a Short Circuit Ratio (SCR) ≈ 1 across varying X/R ratios. Assuming constant grid voltage and known line X/R ratio, the strategy estimates δ using only local measurements while maintaining a constant voltage amplitude at converter’s output. By regulating active power to control δ, it enables GFM converters to operate with SCR lower than unity across the four-quadrant range of power angle during high-impedance faults. Experimental validation confirms enhanced converter power controllability for both dVOC and VSG systems. Controller Hardware-in-the-Loop (CHIL) results demonstrate the proposed solution’s superiority over existing methods in terms of transient stability and voltage support, while exhibiting robustness against line X/R ratio measurement errors. Therefore, the proposed solution has shown improved voltage support and better utilization of the full controllability of converter output power for both dVOC and VSG-based systems. © 2013 IEEE.

关键词： Electric power transmission networks

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Study on hydrodynamic performance of a blended wing body for an underwater glider based on numerical analysis 30

Study on hydrodynamic performance of a blended wing body for...

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30th International Ocean and Polar engineering Conference, ISOPE 2020

作者： Yamaguchi, Satoru Miyai, Yutaro Department of Marine Systems Engineering Kyushu University Fukuoka Japan Graduate School of Engineering Kyushu University Fukuoka Japan

ISBN: (纸本)9781880653845

The authors have been developing an autonomous underwater glider which equips an OBEM (Ocean Bottom Electromagnetometer). That is a hopeful instrument for the ocean floor resources explorations. The autonomous vehicle has an ability to achieve a continuous resource exploration autonomously for a long term. The buoyancy and attitude control mechanism of the vehicle enable to move to the next measurement point by gliding. The vehicle which has a blended wing body measures the slight variation of electromagnet wave on the sea bottom and the landing point for the measurement must be precisely controlled by the motion control system. In the landing stage, it is predicted that surface effect of the sea bottom affects the hydrodynamic characteristics of the vehicle, and it might cause some problems on the motion control system of the vehicle. The authors attempt to make clear the characteristics of the flow field around the vehicle in the vicinity of a sea bottom. The motion control system for landing of the vehicle was investigated in the previous study (Yamaguchi and Sumoto, 2019). In this report, hydrodynamic performance of the vehicle in landing is examined by CFD calculations. The surface effect by a sea bottom which affects the lift and drag of the wings of the glider is studied and the characteristics of the blended wing body near a sea bottom is discussed. © 2020 by the International Society of Offshore and Polar Engineers (ISOPE).

关键词： Hydrodynamics

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