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Sharing Economy in Local Energy Markets

Journal of Modern Power systems and Clean Energy 2023年第3期11卷 714-726页

作者： Zhaoyuan Wu Jianxiao Wang Haiwang Zhong Feng Gao Tianjiao Pu Chin-Woo Tan Xiupeng Chen Gengyin Li Huiru Zhao Ming Zhou Qing Xia School of Economics and Management North China Electric Power UniversityBeijing 102206China State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources North China Electric Power UniversityBeijing 102206China National Engineering Laboratory for Big Data Analysis and Applications Peking UniversityBeijing 100871China State Key Lab of Power Systems Department of Electrical EngineeringTsinghua UniversityBeijing 100084China Department of Industrial Engineering and Management College of EngineeringPeking UniversityBeijing 100871China China Electric Power Research Institute Beijing 100192China Department of Civil and Environmental Engineering Stanford UniversityPalo AltoCA 94305USA Engineering and Technology Institute Groningen University of Groningen9742 AG Groningenthe Netherlands

With an increase in the electrification of end-use sectors,various resources on the demand side provide great flexibility potential for system operation,which also leads to problems such as the strong randomness of power consumption behavior,the low utilization rate of flexible resources,and difficulties in cost *** the core idea of“access over ownership”,the concept of the sharing economy has gained substantial popularity in the local energy market in recent ***,we provide an overview of the potential market design for the sharing economy in local energy markets(LEMs)and conduct a detailed review of research related to local energy sharing,enabling technologies,and potential *** paper can provide a useful reference and insights for the activation of demand-side flexibility ***,this paper can also provide novel insights into the development and further integration of the sharing economy in LEMs.

关键词： Energy sharing flexibility potential local energy market information and communication technology sharing economy

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Comprehensive Overview of Multi-agent systems for Controlling Smart Grids

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CSEE Journal of Power and Energy systems 2022年第1期8卷 115-131页

作者： Om Prakash Mahela Mahdi Khosravy Neeraj Gupta Baseem Khan Hassan Haes Alhelou Rajendra Mahla Nilesh Patel Pierluigi Siano Power System Planning Division Rajasthan Rajya Vidyut Prasaran Nigam Ltd.Jaipur-302005India Media Integrated Communication Laboratory Graduate School of EngineeringOsaka UniversityOsakaJapan Computer Science and Engineering Department Oakland UniversityRochesterUSA Department of Electrical and Computer Engineering Hawassa UniversityHawassa 1530Ethiopia Faculty of Mechanical and Electrical Engineering Tishreen UniversityLattakiaSyria Department of Electrical Engineering National Institute of Technology Kurukshetra Department of Management&Innovation Systems University of Salerno84084 SalernoItaly

Agents are intelligent entities that act flexibly and autonomously and make wise decisions based on their intelligence and experience.A multi-agent system(MAS)contains multiple,intelligent,and interconnected collaborating agents for solving a problem beyond the ability of a single agent.A smart grid(SG)combines advanced intelligent systems,control techniques,and sensing methods with an existing utility power *** controlling smart grids,various control systems with different architectures have already been ***-based control of power system operations has been shown to overcome the limitations of time required for analysis,relaying,and protection;transmission switching;communication protocols;and management of plant *** systems provide an alternative for fast and accurate power network *** paper provides a comprehensive overview of MASs used for the control of smart *** paper provides a wide-spectrum view of the status of smart grids,MAS-based control techniques and their implementation for the control of smart *** of MASs in the control of various aspects of smart grids-including the management of energy,marketing energy,pricing,scheduling energy,reliability,network security,fault handling capability,communication between agents,SG-electrical vehicles,SG-building energy systems,and soft grids—have been critically *** than a hundred publications on the topic of MAS-based control of smart grids have been critically examined,classified,and arranged for fast reference.

关键词： Coordinated control multi-agent systems renewable energy sources smart energy infrastructure smart grid

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Domain Wall Displacement Modulation GMR Sensors with Closed-loop Current-field Feedback

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Journal of the Magnetics Society of Japan 2024年第2期48卷 34-39页

作者： Komuro, K. Oshima, D. Kato, T. Department of Electronics Graduate School of Engineering Nagoya University Furo-cho Chikusa-ku Nagoya464-8603 Japan Institute of Materials and Systems for Sustainability Nagoya University Furo-cho Chikusa-ku Nagoya464-8603 Japan

A novel type of giant magneto-resistance (GMR) sensor utilizing domain wall displacement (DWD) modulation and a closed-loop current-field feedback technique was investigated. In this paper, a Ni80Fe20 free layer was used for the GMR sensor since the uniaxial anisotropy of Ni80Fe20 is smaller than that of the (Co90Fe10)92B8 used in the previous study, resulting in a larger wall displacement with a smaller field. When the domain wall was modulated by a modulation field Hmod = 94 µTrms, the sensitivity of the sensor increased to 2.6 mV/µT in open-loop mode compared with a sensitivity of 0.98 mV/µT for the sensor without Hmod. Moreover, a significant improvement in the linearity of the output was obtained by operating the DWD GMR sensor in closed-loop mode, and the sensitivity was also increased up to 4.2 mV/µT. The improvement in linearity is considered to be due to the suppression of the displacement of the average position of the domain walls by the current-field feedback. The noise floor of the output of the DWD GMR sensor under closed-loop operation was estimated to be 300 pT/Hz1/2 at 10 Hz. © 2024 by the Magnetics Society of Japan.

关键词： Iron alloys

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Effect of rGO support on Gd@ZnO for UV-visible-light driven photocatalytic organic pollutant degradation

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Journal of Rare Earths 2023年第10期41卷 1525-1531,I0002页

作者： Baskaran Palanivel Md Shahadat Hossain Romulo R.Macadangdang Jr. S.Sahaya Jude Dhas Abdullah M.Al-Enizi Mohd Ubaidullah Woo Kyoung Kim Sreedevi Gedi S.Ignatius Arockiam Department of Physics Kings Engineering CollegeSriperumbudurKancheepuram602117Tamil NaduIndia Department of Innovation Systems Engineering Graduate School of EngineeringUtsunomiya UniversityYoto 7-1-2Utsunomiya 321-8585Japan College of Allied Health National UniversityManila1008Philippines Department of Chemistry College of ScienceKing Saud UniversityRiyadh11451Saudi Arabia School of Chemical Engineering Yeungnam UniversityGyeongsan38541Republic of Korea PG and Research Department of Chemistry GTN Arts CollegeDindigul624005Tamil NaduIndia

In this manuscript,we report the hydrothermally prepared rGO/Gd@ZnO nanocomposite for the utilization of photocatalytic Rh B(rhodamine B)dye *** required characterization techniques were carried out to analyse the structural,morphological,chemical,environmental and optical behaviour of the prepared *** efficiency of the prepared nanoparticles was studied by Rh B dye degradation upon UV-Vis-light illumination which reveals that composite catalyst degrades the dye molecule about 91%after 40 min of *** comparing the higher degradation efficiency of the rGO/Gd@ZnO nanocomposite with that of ZnO and Gd doped ZnO,it reveals a greater reduction of charge carriers'recombination,higher visible-light utilization and higher adsorption *** trapping experiment and recycling test were conducted to study the influence of active radicals for the degradation reaction and to know the stability of the prepared nanocomposite,***,this rGO supported Gd doped ZnO nanocomposite can provide a new path way in preparing a highly efficient photocatalyst for organic pollutant degradation at large.

关键词： rGO Gd doped ZnO UV-Vis photocatalyst Dye degradation Rare earths

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Establishing cell suitability for high-level production of licorice triterpenoids in yeast

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Acta Pharmaceutica Sinica B 2024年第9期14卷 4134-4148页

作者： Wentao Sun Shengtong Wan Chuyan Liu Ruwen Wang Haocheng Zhang Lei Qin Runming Wang Bo Lv Chun Li Department of Chemical Engineering Tsinghua UniversityBeijing 100084China Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering Ministry of Industry and Information TechnologyInstitute of Biochemical EngineeringSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081China The University of Chicago ChicagoIL 60637USA Key Lab for Industrial Biocatalysis Ministry of EducationTsinghua UniversityBeijing 100084China Center for Synthetic and Systems Biology Tsinghua UniversityBeijing 100084China Institute of Biopharmaceutical and Health Engineering Tsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen 518055China

Yeast has been an indispensable host for synthesizing complex plant-derived naturalcompounds, yet the yields remained largely constrained. This limitation mainly arises from overlookingthe importance of cell and pathway suitability during the optimization of enzymes and pathways. Herein,beyond conventional enzyme engineering, we dissected metabolic suitability with a framework forsimultaneously augmenting cofactors and carbon flux to enhance the biosynthesis of heterogenoustriterpenoids. We further developed phospholipid microenvironment engineering strategies, dramaticallyimproving yeast’s suitability for the high performance of endoplasmic reticulum (ER)-localized, ratelimitingplant P450s. Combining metabolic and microenvironment suitability by manipulating only threegenes, NHMGR (NADH-dependent HMG-CoA reductase), SIP4 (a DNA-binding transcription factor)andGPP1 (Glycerol-1-phosphate phosphohydrolase 1), we enabled the high-level production of 4.92 g/L rarelicorice triterpenoids derived from consecutive oxidation of b-amyrin by two P450 enzymes afterfermentation optimization. This production holds substantial commercial value, highlighting the criticalrole of establishing cell suitability in enhancing triterpenoid biosynthesis and offering a versatileframework applicable to various plant natural product biosynthetic pathways.

关键词： Cell suitability Phospholipid microenvironment Cytochrome P450 Triterpenoids Saccharomyces cerevisiae

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Machine-learning-based sampling inspection under OQC capacity for real-time quality monitoring in the TFT-LCD industry

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International Journal of Production Research 2025年第6期63卷 2090-2113页

作者： Shih, Ming-Sung Chen, James C. Chen, Tzu-Li Chiang, Chih-Hsiung Hsu, Ching-Lan International Intercollegiate Ph.D. Program National Tsing Hua University Hsinchu Taiwan Department of Industrial Engineering and Engineering Management National Tsing Hua University Hsinchu Taiwan Graduate Institute of Intelligent Manufacturing Technology National Taiwan University of Science and Technology Taipei Taiwan Division of Quality Control AUO Corporation Taichung Taiwan

In the thin film transistor-liquid crystal display (TFT-LCD) industry, the competition is fierce, and the external failure cost is high. To improve the quality of released products, sampling inspection under outgoing quality control (OQC) is conducted before products are released. Owing to the variety and complexity of inspection items, the task must be carried out manually while realising automation is difficult. Traditional random sampling inspection is limited by sampling quantity, manpower, and material resources. To effectively improve acceptable quality levels, this paper proposes a quality predictive monitoring framework tailored to the production and inspection characteristics of the TFT-LCD industry. This framework includes real-time automatic quality monitoring based on an optimal machine learning prediction model with two-phase feature creation, and it also addresses OQC inspection capacity constraints. Experimental results show the prediction performance based on proposed model is better than the traditional random sampling process. In practice, superior average outgoing quality improves by more than 70% at the same sampling level. In addition, the features of the process can be further controlled and managed based on the prediction model to monitor the key parameters in real time and respond to abnormalities quickly, thereby further improving the quality of released products. © 2024 Informa UK Limited, trading as Taylor & Francis Group.

关键词： Liquid crystal displays

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Portfolio Selection and Comparative Portfolio Analysis of Transportation Services, Hotel and Leisure, and Education Subsectors Against Service Sector in the Philippine Market Using Mean-variance Model

Portfolio Selection and Comparative Portfolio Analysis of Tr...

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2024 IEEE International Conference on Industrial engineering and engineering management, IEEM 2024

作者： Cruz, E.L. Young, M.N. Chuahay, T.N. Prasetyo, Y. Persada, S. Nadilfatin, R. Contreras, M. School of Industrial Engineering and Engineering Management Mapua University Manila Philippines School of Graduate Studies Mapua University Manila Philippines Department of Finance Chung Yuan Christian University Taoyuan City Taiwan Department of Industrial Engineering and Management Yuan Ze University Taoyuan City Taiwan International Bachelor Program in Engineering Yuan Ze University Taoyuan City Taiwan Entrepreneurship Business Creation Business School Binus University West Jakarta Indonesia Department of Information Systems Institut Teknologi Sepuluh Nopember Surabaya Indonesia

ISBN: (纸本)9798350386097

This paper presents a framework for portfolio selection in the transportation services, hotel and leisure, and education subsectors of the Philippine market using the mean-variance model. Using the service sector and the broader market as benchmarks, this study spans 7,670 test days from January 1, 1993, to December 31, 2022, identifying optimal risk-return factors (RRFs) of 0.4 for transportation, 0.2 for hotel and leisure, and 0.3 for education. Furthermore, the higher percentage allocations the investors are recommended to invest in are International Container Terminal Services, Inc., Waterfront Philippines, Incorporated, and Far Eastern University, Incorporated. Paired t-test results, with p-values below 0.01 and 0.05, indicate these subsectors can outperform the service sector. The study also conducted a comparative analysis with 30-year historical data to crisis periods like the Global Financial Crisis (GFC) and the COVID-19 pandemic, exhibiting distinct performance trends and emphasizing the need for tailored strategies during economic disruptions. The findings of this research may provide an alternative portfolio selection model for investors seeking to optimize their investment portfolios. © 2024 IEEE.

关键词： Leisure

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Quantifying the Benefits of Mindful Driving Training in Safety and Sustainability

Quantifying the Benefits of Mindful Driving Training in Safe...

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2023 systems and Information engineering Design Symposium, SIEDS 2023

作者： Dollahite, Rebecca Duffy, Michael Park, B. Brian University of Virginia Department of Systems & Information Engineering United States University of Virginia Facilities Management United States University of Virginia Department of Civil & Environmental Engineering United States

ISBN: (纸本)9798350300642

While automobiles are essential for enabling the daily lives of many Americans and businesses, they have caused significant public health concerns, including over 31,785 fatalities in 2022 from traffic crashes and generating 27% of the United States' greenhouse gas emissions in 2020. It has been shown that mindful driving training reduces aggressive driving behaviors, which is expected to reduce crashes, fuel consumption, and greenhouse gas *** this research, we work with the University of Virginia (UVA)'s Facilities management (FM) group which monitors over 280 vehicles through GPS tracking software. The FM group started mindful driving training in March 2021 and has since completed training for nearly half of drivers. We started collecting and analyzing these vehicles' performance data, including harsh braking, hard acceleration, speed violation, seatbelt violation, fuel consumption, and idling time. We quantified the impacts of mindful driving using before and after analysis. The safety impact was assessed using delta changes in harsh braking, speed violation, seatbelt violation, and number of relative crashes and the sustainability impact was based on the changes in hard acceleration, fuel economy, and idling time. Our analyses showed that mindful driving training greatly improves sustainability with reduced fuel consumption and safety with reduced occurrences of safetyrelated violations. © 2023 IEEE.

关键词： Sustainable development

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Minimizing UCB: a Better Local Search Strategy in Local Bayesian Optimization 38

Minimizing UCB: a Better Local Search Strategy in Local Baye...

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38th Conference on Neural Information Processing systems, NeurIPS 2024

作者： Fan, Zheyi Wang, Wenyu Ng, Szu Hui Hu, Qingpei Academy of Mathematics and Systems Science Chinese Academy of Sciences China School of Mathematical Sciences University of Chinese Academy of Sciences China Department of Industrial Systems Engineering & Management National University of Singapore Singapore

Local Bayesian optimization is a promising practical approach to solve high dimensional black-box function optimization problem. Among them is the approximated gradient class of methods, which implements a strategy similar to gradient descent. These methods have achieved good experimental results and theoretical guarantees. However, given the distributional properties of the Gaussian processes applied on these methods, there may be potential to further exploit the information of the Gaussian processes to facilitate the Bayesian optimization search. In this work, we develop the relationship between the steps of the gradient descent method and one that minimizes the Upper Confidence Bound (UCB), and show that the latter can be a better strategy than direct gradient descent when a Gaussian process is applied as a surrogate. Through this insight, we propose a new local Bayesian optimization algorithm, MinUCB, which replaces the gradient descent step with minimizing UCB in GIBO [22]. We further show that MinUCB maintains a similar convergence rate with GIBO. We then improve the acquisition function of MinUCB further through a look ahead strategy, and obtain a more efficient algorithm LA-MinUCB. We apply our algorithms on different synthetic and real-world functions, and the results show the effectiveness of our method. Our algorithms also illustrate improvements on local search strategies from an upper bound perspective in Bayesian optimization, and provides a new direction for future algorithm design. © 2024 Neural information processing systems foundation. All rights reserved.

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Coordination Resistance in Cross-Functional NPD Projects: The Moderating Role of Temporal Leadership

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IEEE Transactions on engineering management 2024年 71卷 2138-2152页

作者： Zheng, Yujuan Jiang, James Wayne Huang, Wei Wu, Xiaosong Ren, Haitao Xi'An Jiaotong University School of Management Xi'an710049 China National Taiwan University Department of Business Administration College of Management Taipei City10617 Taiwan Southern University of Science and Technology Department of Information Systems and Management Engineering College of Business Shenzhen518055 China Tsinghua Shenzhen International Graduate School Department of Innovation Management Shenzhen518071 China Manufacturing Department of FAST Automobile Gear Company Ltd. Xi'an710075 China

Coordination cost is a critical management issue in cross-functional automotive new product development (NPD) projects, especially in complex environments. However, the literature has neglected to analyze the specific mechanisms by which coordination costs due to complexity may be reduced. This article examines whether and how two dimensions of temporal leadership reduce the coordination cost caused by complexity. In particular, we argue that two dimensions of temporal leadership, namely relationship-oriented and task-oriented temporal leadership, mitigate the effects of complexity on NPD coordination cost through coordination resistance. Based on survey data from 196 automotive NPD project managers, results show that coordination resistance significantly mediates the relationship between complexity and coordination costs. Relationship- and task-oriented temporal leadership also moderate the relationship between different kinds of project complexity and coordination resistance. When the level of relationship-oriented temporal leadership is high, the effect of organizational complexity on coordination resistance weakens. Contrary to our hypotheses, the effect of technological complexity on coordination resistance is stronger when the level of task-oriented temporal leadership is high, suggesting that the project manager should consider different dimensions of temporal leadership when faced with different complexities. © 1988-2012 IEEE.

关键词： Product development

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