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Enhanced Automatic Generation Control in Multiarea Power Systems: Crow Search Optimized Cascade FOPI-TIDDN Controller With Integrated Renewable Solar Thermal Models and HVDC Lines

Engineering Reports

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Engineering Reports 2025年第5期7卷

作者： Babu, Naladi Ram Sunitha, Pamarthi B. S. S., Ganesh Pardhu Bhagat, Sanjeev Kumar Ramesh, Adireddy Saha, Arindita Mbasso, Wulfran Fendzi Jangir, Pradeep Hossam-Eldin, Ahmed Department of Electrical and Electronics Engineering Aditya University Kakinada India Department of Electronics and Communication Engineering Aditya University Kakinada India Department of Electrical Engineering Sandip University Madhubani India Department of Electrical Engineering Regent Education and Research Foundation Group of Institutions Kolkata India Technology and Applied Sciences Laboratory U.I.T. of Douala University of Douala Douala Cameroon Department of Biosciences Saveetha School of Engineering Saveetha Institute of Medical and Technical Sciences Chennai India Applied Science Research Center Applied Science Private University Amman Jordan University Centre for Research and Development Chandigarh University Gharuan Mohali India Department of CSE Graphic Era Hill University Dehradun India Department of CSE Graphic Era Deemed to be University Dehradun India Centre for Research Impact & Outcome Chitkara University Institute of Engineering and Technology Chitkara University Punjab Rajpura India Department of Electrical and Electronics Engineering J.J. Technology Tamilnadu Tiruchirappalli India Department of Electrical Power and Machines Faculty of Engineering Alexandria University Alexandria Egypt

As renewable energy sources (RES) are increasingly unified into multiarea power systems, automatic generation control (AGC) faces challenges such as frequency instability, longer settling times, and higher overshoot. While existing optimization techniques like Firefly (FF) and gray wolf (GW) suffer from slow convergence and local optima trapping, conventional controllers like FOPI, PIDN, TIDN, and TIDDN struggle to maintain stability under fluctuating load conditions. Fractional-Order Proportional-Integral with Tilt Integral Double Derivative and Filter (FOPI-TIDDN), a novel cascade controller optimized using the crow search (CS) algorithm, is proposed in this paper to overcome these issues. Furthermore, a two-area AGC framework incorporates realistic dish-Stirling solar thermal systems (RDSTS) and parabolic trough solar thermal plants (PTSTP), and the effects of these systems are examined under different patterns of solar insolation. Additionally, the study assesses how high voltage direct current (HVDC) tie-lines contribute to increased system stability. According to simulation data, the FOPI-TIDDN controller works noticeably better than others in terms of improved frequency regulation, faster settling time, and less overshoot. Compared to FF and GW approaches, the CS algorithm guarantees faster convergence. An ideal fixed-random solar insolation method and HVDC integration also improve system performance. The suggested method enhances renewable-integrated power systems' resilience, efficiency, and stability. © 2025 The Author(s). Engineering Reports published by John Wiley & Sons Ltd.

关键词： Frequency stability

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Advancements in prokaryotic systematics and the role of Bergey's International Society for Microbial Systematics in addressing challenges in the meta-data era

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National Science Review 2024年第7期11卷 292-304页

作者： Jian-Yu Jiao Rashidin Abdugheni Dao-Feng Zhang Iftikhar Ahmed Mukhtiar Ali Maria Chuvochina Svetlana N.Dedysh Xiuzhu Dong Markus G?ker Brian P.Hedlund Philip Hugenholtz Kamlesh Jangid Shuang-Jiang Liu Edward R.B.Moore Manik Prabhu Narsing Rao Aharon Oren Ramon Rossello-Mora Bhagwan Narayan Rekadwad Nimaichand Salam Wensheng Shu Iain C.Sutcliffe Wee Fei Aaron Teo Martha E.Trujillo Stephanus N.Venter William B.Whitman Guoping Zhao Wen-Jun Li State Key Laboratory of Biocontrol Guangdong Provincial Key Laboratory of Plant Resources and Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) School of Life Sciences Sun Yat-Sen University State Key Laboratory of Desert and Oasis Ecology Key Laboratory of Ecological Safety and Sustainable Development in Arid LandsXinjiang Institute of Ecology and Geography Chinese Academy of Sciences Jiangsu Province Engineering Research Center for Marine Bio-resources Sustainable Utilization&College of Oceanography Hohai University National Culture Collection of Pakistan(NCCP) Land Resources Research Institute(LRRI) National Agricultural Research Centre(NARC) The University of Queensland School of Chemistry and Molecular Biosciences Australian Centre for Ecogenomics Winogradsky Institute of Microbiology Research Center of BiotechnologyRussian Academy of Sciences State Key Laboratory of Microbial Resources Institute of Microbiology Chinese Academy of Sciences Leibniz Institute DSMZ–German Collection of Microorganisms and Cell Cultures School of Life Sciences University of Nevada Nevada Institute of Personalized Medicine University of Nevada Bioenergy Group MACS Collection of Microorganisms Agharkar Research Institute State Key Laboratory of Microbial Technology Shandong University Department of Infectious Disease Institute for Biomedicine and Culture Collection University of Gothenburg(CCUG) Institute for BiomedicineSahlgrenska AcademyUniversity of Gothenburg Instituto de Ciencias Aplicadas Facultad de Ingeniería Universidad Autónoma de Chile The Alexander Silberman Institute of Life Sciences The Edmond J.Safra Campus The Hebrew University of Jerusalem Marine Microbiology Group Department of Animal and Microbial Biodiversity Mediterranean Institute for Advanced Studies(IMEDEA CSIC-UIB) MicrobeAI Lab Division of Microbiology and Biotechnology Yenepoya Research Centre Yenepoya(Deemed to be University) National Agri-Food Biotechnology Institute Institute of Ecological Science Sch

Prokaryotes are ubiquitous in the biosphere, important for human health and drive diverse biological and environmental processes. Systematics of prokaryotes, whose origins can be traced to the discovery of microorganisms in the 17th century, has transitioned from a phenotype-based classification to a more comprehensive polyphasic taxonomy and eventually to the current genome-based taxonomic *** transition aligns with a foundational shift from studies focused on phenotypic traits that have limited comparative value to those using genome sequences. In this context, Bergey's Manual of Systematics of Archaea and Bacteria(BMSAB) and Bergey's International Society for Microbial Systematics(BISMiS) play a pivotal role in guiding prokaryotic systematics. This review focuses on the historical development of prokaryotic systematics with a focus on the roles of BMSAB and BISMiS. We also explore significant contributions and achievements by microbiologists, highlight the latest progress in the field and anticipate challenges and opportunities within prokaryotic systematics. Additionally, we outline five focal points of BISMiS that are aimed at addressing these challenges. In conclusion, our collaborative effort seeks to enhance ongoing advancements in prokaryotic systematics, ensuring its continued relevance and innovative characters in the contemporary landscape of genomics and bioinformatics.

关键词： prokaryotic systematics Bergey's Manual of Systematics of Archaea and Bacteria (BMSAB) Bergey's International Society for Microbial Systematics (BISMiS) meta-data era

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Regularized solution of a Cauchy problem for stochastic elliptic equation

Regularized solution of a Cauchy problem for stochastic elli...

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作者： Nguyen Huy, Tuan Vu Cam Hoan, Luu Zhou, Yong Ngoc Thach, Tran Institute of Research and Development Duy Tan University Da Nang Viet Nam Faculty of Basic Science Posts and Telecommunications Institute of Technology Ho Chi Minh City Viet Nam Faculty of Information Technology Macau University of Science and Technology Macau China Faculty of Mathematics and Computational Science Xiangtan University Hunan China Applied Analysis Research Group Faculty of Mathematics and Statistics Ton Duc Thang University Ho Chi Minh City Viet Nam

In this study, we investigate a Cauchy problem for the stochastic elliptic equation driven by Wiener noise. We show this problem is not well-posed by proposing a simple illustrative example. To regularize the instable solution, we apply a regularization method called Fourier truncated expansion method. Furthermore, the convergence rate of the regularized solution is also investigated. © 2020 John Wiley & Sons, Ltd.

关键词： Initial value problems

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Energy Harvesting Estimation from Vibration of Chopped Fiber Rods Reinforced Microbeams with Piezoelectric Patch Based on Five Parameter-Surface-Strain Gradient Beam Model

SSRN

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SSRN 2023年

作者： Mahmoud, Samy R. Ramady, Ahmed Balubaid, Mohammed Kolahchi, R. Nhu, B.N. GRC Department Applied College King Abdulaziz University Jeddah21589 Saudi Arabia Department of Industrial Engineering King Abdulaziz University Jeddah Saudi Arabia Institute of Research and Development Duy Tan University Da Nang Viet Nam School of Engineering & Technology Duy Tan University Da Nang Viet Nam Mechanical Engineering Group

During the last years, the Design and production of self-powered engineering structures gained extensive attention due to the shortage of non-renewable energy resources and the increase in fossil fuel prices. The use of advanced-smart materials such as piezoelectric became applicable in various industry sections in terms of energy harvesting from mechanical vibrations and dynamic loadings. To this end, the current numerical study focused on assessing the forced vibration behavior and energy harvesting capability of a Silicon microbeam reinforced with Chopped Fiber Rods (CFRs). The piezoelectric patch is located at the top surface of the microbeam and is under distributed harmonic force. The related governed relations are derived using the new theory of the 5-parameter beam model, which also accounted for the Poisson effect and solved by adopting the Galerkin method. The microscale effects are taken into account by employing strain gradient theory. Moreover, the effects of the top and bottom surfaces were accounted for by microbeams using Gurtin and Murdoch theory. The outcomes of this research indicated that utilizing a narrow-short length piezoelectric patch for Silicon microbeam to achieve the highest available output voltage. Compared to the homogeneous porosity distribution case, as the porosity coefficient reduced in the bottom and top surfaces of the microbeam, the voltage initial rise point decreased by about 13%. By increasing the porosity coefficient to 0.9, both voltage and displacement initial rise points were increased, respectively, by approximately 32% and 890%. As the piezoelectric patch thickness was decreased from 8 to 6 while the strain gradient theory was utilized, voltage and displacement initial rise points increased respectively by 1066.67% and 1200%. Also, the simultaneous increase in CFRs vol. fraction from 5% to 10% and Silicon microbeam thickness from 7 to 8 caused about 37% improvement in dynamic deflections (decrease in displacement initi

关键词： Energy harvesting

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Multi-Resolution Localization of Individual Logs in Wooden Piles Utilizing YOLO with Tiling on Client/Server Architectures 33

Multi-Resolution Localization of Individual Logs in Wooden P...

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33rd European Modeling and Simulation Symposium, EMSS 2021

作者： Praschl, Christoph Auersperg-Castell, Philipp Forster-Heinlein, Brigitte Zwettler, Gerald Adam Research Group Advanced Information Systems and Technology Research and Development Department University of Applied Sciences Upper Austria Softwarepark 11 Hagenberg4232 Austria Department of Software Engineering School of Informatics Communications and Media University of Applied Sciences Upper Austria Softwarepark 11 Hagenberg4232 Austria Bluedynamics Auersperg-Castell KG Kritzing 31 Freinberg4785 Austria Faculty of Computer Science and Mathematics University of Passau Innstraße 43 Passau94032 Germany

In industrial domains with time and cost intensive manual or semi-automated inspection the demand for automation is high. Utilizing state of the art deep learning models for localization in vision-based domains such as wood log analysis, the precision can be increased while reducing the demand for manual inspection. In this paper a YOLO network is trained on wood log images to allow for detection of single wood piles in images with hundreds and thousands instances. Due to the high variability in scale and large amount of wood logs within the images, common YOLO architectures are not applicable. Thus, tiling is necessitated to implicitly form a multi-resolution image pyramid. Due to lack in training data, besides common data augmentation modelling of different seasonal and weather conditions is applied. The wood log detection process can be run on a client/server architecture to allow for both, preview and refined results. Evaluation on real-world data sets shows an log detection accuracy of 82,9% utilizing a tiny YOLO model and 94,1% with a fully connected YOLO model, respectively. © 2021 The Authors.

关键词： Deep learning

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Correction to: Influence of Habesha eggshell on the dry sliding wear behavior of epoxy composites

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Biomass Conversion and Biorefinery 2024年第17期14卷 21539-21540页

作者： Shahapurkar, Kiran Ramesh, S. Nik-Ghazali, Nik-Nazri Chenrayan, Venkatesh MC, Kiran Kanaginahal, Gangadhar Soudagar, Manzoore Elahi M. Fouad, Yasser M.A.Kalam Institute of Power Engineering Universiti Tenaga Nasional Kajang Malaysia Division of Research and Development Lovely Professional University Phagwara India Department of Mechanical Engineering Faculty of Engineering University of Malaya Kuala Lumpur Malaysia Center of Advanced Manufacturing and Materials Processing (AMMP) Faculty of Engineering University of Malaya Kuala Lumpur Malaysia Department of Mechanical Engineering Knowledge Institute of Technology Salem India Department of Mechanical Engineering Nitte Meenakshi Institute of Technology Bangalore India Department of Mechanical Engineering Jain College of Engineering and Research Belagavi India Environmental and Atmospheric Sciences Research Scientific Research Center Group Al-Ayen University Nasiriyah Iraq Department of Mechanical Engineering Graphic Era (Deemed to be University) Dehradun India Department of Applied Mechanical Engineering College of Applied Engineering Muzahimiyah Branch King Saud University Riyadh Saudi Arabia School of Civil and Environmental Engineering FEIT University of Technology Sydney Ultimo Australia

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Computational biology in topical bioactive peptide discovery for cosmeceutical application:a concise review

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Biomedical Engineering Communications 2023年第3期2卷 7-15页

作者： Xu-Hui Li Wen-Rou Su Fei-Fei Wang Ke Li Jing-Yong Zhu Si-Yu Zhu Si-Ning Kang Cong-Fen He Jun-Xiang Li Xiao Lin AGECODE R&D Center Yangtze Delta Region Institute of Tsinghua UniversityJiaxing 314000China Zhejiang Provincial Key Laboratory of Applied Enzymology Yangtze Delta Region Institute of Tsinghua UniversityJiaxing 314000China Yunnan Botanee Bio-technology Group Co. Ltd.Yunnan 650000China Yunnan Yunke Characteristic Plant Extraction Laboratory Co. Ltd.Yunnan 650000China Shenzhen Accompany Technology Co. LtdShenzhen 518000China College of Life Sciences and Medicine Zhejiang Sci-tech UniversityHangzhou 310018China Harvest Biotech(Zhejiang)Co. Ltd.Jiaxing 314000China School of Beijing Key Lab of Plant Resources Research and Development Beijing Technology and Business UniversityBeijing 100048China School of Life Sciences Northwestern Polytechnical UniversityXi’an 710072China

Regenerative medicine and anti-aging research have made great strides at the molecular and cellular levels in dermatology and the medical aesthetic field,targeting potential treatments with skin therapeutic and intervention pathways,which make it possible to develop effective skin regeneration and repair *** the rapid development of computational biology,bioinformatics as well as artificial intelligence(A.I.),the development of new ingredients for regenerative medicine has been greatly accelerated,and the success rate has been *** application cases have appeared in topical skin regeneration and repair *** review will briefly introduce the application of bioactive peptides in skin repair and anti-aging as emerging ingredients in cosmeceutics and emphasize how *** computational biology technology may accelerate the development of innovative peptide molecules and ultimately translate them into potential skin regenerative and anti-aging ***,two research routines have been summarized and current limitations as well as directions were discussed for border applications in future research.

关键词： computational biology artificial intelligence cosmeceutical bioactive peptide regenerative medicine

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Adsorption parameters optimization of spent coffee ground biochar for methylene blue removal using response surface methodology

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Chemosphere 2024年 364卷 143242页

作者： Nagarajan, Thachnatharen Binti Mohd Fekeri, Nazifa Huda Raju, Gunasunderi Shanmugan, Subramani Jeppu, Gautham Walvekar, Rashmi Rustagi, Sarvesh Khalid, Mohammad Faculty of Defence Science and Technology National Defence University of Malaysia Kuala Lumpur Malaysia School of Distance Education Universiti Sains Malaysia Penang Minden11800 Malaysia Gelugor Pulau Pinang 11800 Malaysia Karnataka Manipal576104 India Chitkara Centre for Research and Development Chitkara University Himachal Pradesh 174103 India KKR and KSR Institute of Technology and Sciences Andhra Pradesh Guntur522017 India School of Applied and Life Sciences Uttaranchal University Uttarakhand Dehradun248007 India Materials and Manufacturing Research Group James Watt School of Engineering University of Glasgow GlasgowG12 8QQ United Kingdom School of Engineering and Technology Sunway University Darul Ehsan Selangor 47500 Malaysia Centre of Research Impact and Outcome Chitkara University Institute of Engineering and Technology Chitkara University Punjab 140401 India

This study investigates the potential of spent coffee ground biochar (SCGB) as a sustainable and cost-effective adsorbent for the removal of methylene blue (MB), a hazardous dye commonly used in the textile and printing industries. A response surface methodology (RSM) approach with central composite design (CCD) was employed to systematically investigate the effects of key process parameters, including adsorbent dosage, solution pH, contact time and temperature, on MB removal efficiency. The analysis revealed that adsorbent dosage and temperature as critical factors influencing MB removal, with a linear model providing a strong correlation. Optimal conditions for MB removal were determined to be 0.99 g of SCGB, 30 min of contact time, 30 °C temperature, and a solution pH of 7. Under these conditions, MB removal reached 99.99%, with a desirability of 1.000. The experimental results closely matched the predicted values, differing by only 0.02%, thus validating the accuracy of the model. Kinetic studies indicated a rapid adsorption process, well-described by both pseudo-first and pseudo-second order models. Isotherm analysis confirmed the applicability of the Freundlich model, suggesting favorable adsorption with increasing MB concentration. The high adsorption capacity of SCGB is attributed to its carbonaceous and porous structure, highlighting its potential as an effective adsorbent for dye removal in wastewater treatment applications. © 2024 Elsevier Ltd

关键词： Wastewater treatment

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Advances in Co3O4 nanomaterial-based photocatalysts for water purification: mechanisms, green synthesis, activation of oxidants, waste-derived sources, and computational insights

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RSC Advances 2025年第24期15卷 19088-19103页

作者： Van Dien Dang Nguyen Thi Hong Nhung Iqra Rabani Nguyen Tien Tran Bui Thi Phuong Thuy Hai Bang Truong Faculty of Biology and Environment Ho Chi Minh City University of Industry and Trade 140 Le Trong Tan Tan Phu District Ho Chi Minh 700000 Vietnam Faculty of Applied Science and Technology (FAST) Nguyen Tat Thanh University 331 National Highway 1A An Phu Dong Ward District 12 Ho Chi Minh City 700000 Vietnam Antwerp Engineering Photoelectrochemistry and Sensing (A-PECS) University of Antwerp Groenenborgerlaan 171 2020 Antwerp Belgium Center for Advanced Chemistry Institute of Research and Development Duy Tan University Da Nang 550000 Vietnam Faculty of Natural Sciences Duy Tan University Da Nang 550000 Vietnam Faculty of Fundamental Sciences Van Lang University Ho Chi Minh City Vietnam Optical Materials Research Group Science and Technology Advanced Institute Van Lang University Ho Chi Minh City Vietnam Faculty of Applied Technology School of Technology Van Lang University Ho Chi Minh City Vietnam

Water scarcity remains a critical global challenge, affecting billions of people and significantly impacting ecosystems, economies, and public health. Among various water treatment technologies, photocatalysis has emerged as a highly effective method for degrading a wide range of contaminants. Cobalt oxide (Co₃O₄) has gained considerable attention as a photocatalyst due to its unique structural, electronic, and optical properties. Despite extensive research on the synthesis and application of Co₃O₄-based photocatalysts, a comprehensive review summarizing recent advancements and modifications in Co₃O₄ nanomaterials over the past five years is notably lacking. This review critically examines the fundamental photocatalytic mechanisms of Co₃O₄ nanomaterial-based systems, systematically discussing their advantages and inherent limitations. Additionally, it explores emerging research trends, including biosynthesis, facile recovery, synthesis from waste-derived sources, and computational techniques, alongside the prevailing challenges shaping this field. Furthermore, the review identifies key research directions for the future development and optimization of Co₃O₄-based nanostructures, emphasizing their potential to enhance photocatalytic efficiency for water purification. By addressing these aspects, this work aims to bridge existing knowledge gaps and provide a foundation for future innovations in sustainable water treatment technologies.

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A review on effect of nanoparticle addition on thermal behavior of natural fiber–reinforced composites

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Heliyon 2025年第1期11卷 e41192页

作者： Balaji, D. Kumar, P. Sathish Bhuvaneshwari, V. Rajeshkumar, L. Singh, Manoj Kumar Sanjay, M.R. Siengchin, Suchart Department of Mechanical Engineering KPR Institute of Engineering and Technology Tamil Nadu Coimbatore 641407 India Centre for Research and Development KPR Institute of Engineering and Technology Tamil Nadu Coimbatore 641407 India Natural Composites Research Group Lab Department of Materials and Production Engineering The Sirindhorn International Thai-German Graduate School of Engineering King Mongkut's University of Technology North Bangkok Bangkok 10800 Thailand AU-Sophisticated Testing and Instrumentation Centre and Department of Mechanical Engineering Alliance School of Applied Engineering Alliance University Karnataka Bengaluru 562106 India

Always, the environment in which humans live needs to be saved from various calamities, and one such calamity is usage of petroleum-based products. Petroleum-based products are derived from various synthetic processes that adversely affect the environment. It may not reflect immediately, but it affects in the near future. They are non-environmentally friendly and cannot progress toward the sustainability factor. The alternative to metallic or synthetic fibers is natural fibers that are derived from plant sources. The demerits of using natural fiber is its less strength;however, this strength can be enhanced by incorporating it as a strengthening component in polymer matrix composite (PMC) materials. Still, the major advantage of using metal is its ability to withstand higher temperatures, whereas PMCs fail in these characteristics. The use of nanoparticles as fillers in the natural fiber–reinforced PMCs is a probable solution to the above problem. This review assesses the thermal characteristics of various nanoparticle-filled natural fiber–based polymer composites. It can be seen from most of the research that the filled polymer composites exhibit better thermal behavior compared with non-filled polymer composites. This consolidation would be useful for researchers to further accelerate their research in this domain. © 2024 The Authors

关键词： Nanoparticle Natural fibers Polymer composites Thermal behavior

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