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Energy-Efficient Cloud Computing Through reinforcement Learning-Based Workload Scheduling

International Journal of Advanced Computer Science and Applications 2025年第4期16卷 645-656页

作者： Malipatil, Ashwini r Paramasivam, M.E. Gulyamova, dilfuza Saravanan, Aanandha ramesh, Janjhyam Venkata Naga Muniyandy, Elangovan Ghodhbani, refka Department of Computer Science and Engineering BNM Institute of Technology Bangalore India Department of ECE Sona College of Technology Salem India Computer Engineering Department University of Information Technologies in Tashkent Tashkent Uzbekistan Department of ECE Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and Technology Chennai India Department of CSE Graphic Era Hill University Dehradun248002 India Department of CSE Graphic Era Deemed to be University Uttarakhand Dehradun248002 India 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 Center for Scientific Research and Entrepreneurship Northern Border University Arar73213 Saudi Arabia

The basis for current digital infrastructure is cloud computing, which allows for scalable, on-demand computational resource access. data center power consumption, however, has skyrocketed because of demand increases, raising operating costs and their footprint. Traditional workload scheduling algorithms often assign performance and cost priority over energy efficiency. This paper proposes a workload scheduling method utilizing deep reinforcement learning (drL) that adjusts dynamically according to present cloud situations to ensure optimal energy efficiency without compromising performance. The proposed method utilizes deep Q-Networks (dQN) to perform feature engineering to identify key workload parameters such as execution time, CPU and memory consumption, and subsequently schedules tasks smartly based on these results. Based on evaluation output, the model brings down the latency to 15 ms and throughput up to 500 tasks/sec with 92% efficiency in load balancing, 95% resource usage, and 97% QoS. The proposed approach yields improved performance in terms of key parameters compared to conventional approaches such as round robin, FCFS, and heuristic methods. These findings show how reinforcement learning can significantly enhance the scalability, reliability, and sustainability of cloud environments. Future work will focus on enhancing fault tolerance, incorporating federated learning for decentralized optimization, and testing the model on real-world multi-cloud infrastructures. © (2025), (Science and Information Organization). All rights reserved.

关键词： deep reinforcement learning

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Low False-Alarm Active Sonar detection under Strong reverberation

Low False-Alarm Active Sonar Detection under Strong Reverber...

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IEEE/OES China Ocean Acoustics (COA)

作者： Li Sibo Guo rui Zhang dianlun Li Yujuan Hou Xiaoqian Wang Shengfeng Science and Technology on Underwater Acoustic Laboratory/ Technology R&D Center Harbin Engineering University / Haiying Enterprise Group Co. Ltd Harbin/Wuxi China Technology R&D Center Haiying Enterprise Group Co. Ltd Wuxi China Science and Technology on Underwater Acoustic Laboratory Harbin Engineering University Harbin China

ISBN: (数字)9798350340297

ISBN: (纸本)9798350340303

In active low-frequency and high-power sonar systems, target detection must overcome strong reverberation. Active sonar reverberation interference strongly fluctuates with distance and exhibits significant temporal and spatial variations. Active sonar reverberation is a typical nonstationary background. Complex changes in reverberation directly affect the target detection performance of active sonar systems. The major difficulty associated with current detection algorithms lies in autonomous detection, particularly in terms of the adaptability of detection algorithms to complex background interference. Accurately performing dynamic background estimation, suppressing interference, controlling false alarms, and highlighting weak targets are the focus of object detection. This paper proposes an active sonar target detection method driven by a combination of data and models. The proposed method can achieve target detection under strong reverberation interference with low sidelobe false alarms and high robustness.

关键词： Target tracking Target recognition Sonar Object detection Interference robustness data models reverberation detection algorithms Sonar detection

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Enhanced Magnetic Interaction between Ga and Fe in Two-dimensional van der Waals Ferromagnetic Crystal Fe_(3)GaTe_(2)

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Chinese Physics Letters 2023年第8期40卷 108-112页

作者：查鹤鸣李炜张高节刘文晶邓力玮姜琦叶茂武浩常海欣乔山 State Key Laboratory of Functional Materials for Informatics Center for Excellence in Superconducting ElectronicsShanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghai 200050China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China Department of Physics and State Key Laboratory of Surfac Physics Fudan UniversityShanghai 200433China State Key Laboratory of Material Processing and Die&Mold Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China Wuhan National High Magnetic Field Center and Institute for Quantum Science and Engineering Huazhong University of Science and TechnologyWuhan 430074China Center for Transformative Science ShanghaiTech UniversityShanghai 201210China Shanghai Synchrotron Radiation Facility Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201210China Shenzhen R&D Center of Huazhong University of Science and Technology Shenzhen 518000China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210China

Fe_(3)GaTe_(2),a recently discovered van der Waals ferromagnetic crystal with the highest Curie temperature and strong perpendicular magnetic anisotropy among two-dimensional(2d)magnetic materials,has attracted significant attention and makes it a promising candidate for next-generation spintronic *** with Fe_(3)GeTe_(2),which has the similar crystal structure,the mechanism of the enhanced ferromagnetic properties in Fe_(3)GaTe_(2)is still unclear and needs to be ***,by using x-ray magnetic circular dichroism measurements,we find that both Ga and Te atoms contribute to the total magnetic moment of the system with antiferromagnetic coupling to Fe *** first-principles calculations reveal that Fe_(3)GaTe_(2)has van Hove singularities at the Fermi level in nonmagnetic state,resulting in the magnetic instability of the system and susceptibility to magnetic phase *** addition,the calculation results about the density of states in ferromagnetic states of two materials suggest that the exchange interaction between Fe atoms is strengthened by replacing Ge atoms with Ga *** findings indicate the increase of both the itinerate and local moments in Fe_(3)GaTe_(2)in view of Stoner and exchange interaction models,which results in the enhancement of the overall magnetism and a higher Curie *** work provides insight into the underlying mechanism of Fe_(3)GaTe_(2)’s remarkable magnetic properties and has important implications for searching 2d materials with expected magnetic properties in the future.

关键词： magnetic ferromagnetic mechanism

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Measuring^(222)rn in aquatic environment via Pulsed Ionization Chamber radon detector

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Acta Oceanologica Sinica 2023年第8期42卷 185-189,I0001-I0006页

作者： Lijun Song Wen Liu Shibin Zhao Chunqian Li Jinjia Guo Natasha dimova Bochao Xu Frontiers Science Center for Deep Ocean Multispheres and Earth System/Key Laboratory of Marine Chemistry Theory and Technology of Ministry of Education Ocean University of ChinaQingdao 266100China Laboratory for Marine Ecology and Environmental Science Qingdao National Laboratory for Marine Science and TechnologyQingdao 266071China College of Chemistry and Chemical Engineering Ocean University of ChinaQingdao 266100China College of Information Science and Engineering Ocean University of ChinaQingdao 266100China R&D Center for Marine Instruments and Apparatuses Qingdao Marine Science and Technology CenterQingdao 266200China Department of Geological Sciences College of Arts and SciencesUniversity of AlabamaTuscaloosa 35487USA

radon(rn)is a naturally occurring radioactive inert gas in nature,and^(222)rn has been routinely used as a powerful tracer in various aquatic environmental research on timescales of hours to days,such as submarine groundwater *** we developed a new approach to measure^(222)rn in discrete water samples with a wide range of^(222)rn concentrations using a Pulsed Ionization Chamber(PIC)radon *** sensitivity of the new PIC system is evaluated at 6.06 counts per minute for 1 Bq/L when a 500 mL water sample volume is used.A robust logarithmic correlation between sample volumes,ranging from 250 mL to 5000 mL,and system sensitivity obtained in this study strongly suggests that this approach is suitable for measuring radon concentration levels in various natural *** to the currently available methods for measuring radon in grab samples,the PIC system is cheaper,easier to operate and does not require extra accessories(e.g.,drying tubes etc.)to maintain stable measurements throughout the counting procedure.

关键词： ^(222)rn radon measurement Pulsed Ionization Chamber radon detector radon in discrete water samples submarine groundwater discharge

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A Low-Temperature Ag-Ag direct Bonding technology Towards Ten-Thousand-Level Microbumps Arrays Utilizing Plasma-Induced Grown Nanoparticles of Silver Oxide

A Low-Temperature Ag-Ag Direct Bonding Technology Towards Te...

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International Conference on (ICEPT) Electronic Packaging technology

作者： Taiyu Wang Xiaochen Xie Songzhao Gu Sichen Liu Shuang Zhao Wenxuan Gao Pengrong Lin Shimeng Xu Zhibo Qu Yong Wang Xiuchen Zhao Yongjun Huo School of Materials Science & Engineering Beijing Institute of Technology Beijing China Package R&D Center Beijing Microelectronics Technology Institute Beijing China

ISBN: (数字)9798350353808

ISBN: (纸本)9798350353815

With the development of microelectronics technology, the semiconductor industry has entered the postMoore's Law era. Many semiconductor manufacturing companies have showcased their 3d integration solutions, such as Foveros of Intel and AMd's 3d V-Cache. The current mainstream approach to 3d stacking involves utilizing through silicon vias (TSV), Cu micro-bumps, and lead-free solder to achieve 3d-IC packaging or heterogeneous integration. However, the formation of brittle intermetallic compounds (IMCs) and the manifestation of size effects can lead to higher electrical resistance and severe reliability issues in solder-based micro-bumps for 3d-IC packaging. recently, our group has invented a novel interconnection technology through Ag-Ag direct bonding, utilizing plasma-induced grown nanoparticles of silver oxide, whose process was designed for 3d-ICs interconnects. Through controlling the surface morphology of plasma-induced grown silver oxide, this technology can effectively overcome the initial asperities on the bonding surface, thus accommodating larger surface roughness (> 100 nm). In this work, for the first time, we have demonstrated the application of this technology to achieve “point-to-point” bonding with a high-density micro-bump array at tenthousand-level, whereby finding the optimal bonding parametric settings. The wafer-level copper micro-bump arrays (diameter < 30 μm) are prepared by using photolithography, electroplating, and chemical mechanical polishing (CMP) processes, and Ag is deposited as the all-metal bonding layer using magnetron sputtering technology. Subsequently, plasma-induced nanoparticles of silver oxide (Plasma-induced Ag2O NPs) have grown on the Ag layer with our patented technology. More importantly, we design a new bonding scheme with a “two-steps” process to achieve lowtemperature solid-state bonding with high-density micro-bump array at the ten-thousand-level, which comprised with two stages: the pre-bonding stage and the final bon

关键词： Nanoparticles Silver Scanning electron microscopy Three-dimensional displays Surface morphology Morphology Surface roughness

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Investigating the Effect of Geological and engineering Parameters on the Fracture Height Growth in Naturally-Layered Shale reservoirs Using 3d Lattice Method

Investigating the Effect of Geological and Engineering Param...

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2023 Abu dhabi International Petroleum Exhibition and Conference, AdIP 2023

作者： He, rui Zheng, Youcheng Chen, Weihua Lv, Zefei Zeng, Ji Yan, Jie Wang, Tao Wang, Yang Cao, Aiwu Engineering Technology Research Institute PetroChina Southwest Oil & Gasfield Company Sichuan Chengdu China PetroChina Southwest Oil & Gasfield Company Sichuan Chengdu China Hydro-China Itasca R&D Center Zhejiang Hangzhou China

ISBN: (纸本)9781959025078

Numerical investigation of the influence of different parameters on hydraulic fracture propagation is fundamental to guide the fracturing parameters optimization of naturally-layered shale reservoir. The shale reservoir contains a large number of bedding planes with lower strength, which have a great effect on the vertical growth of hydraulic fractures. It is believed that the interaction between hydraulic fractures (HF) and bedding planes (BP) has a significant impact on the fracture geometry. In this paper, we used 3d lattice method to establish the hydraulic fracture modelling with multiple horizontal bedding planes, and this model can consider fluid-mechanical coupling effect and the fluid flow in permeable bedding plane. Based on the model, a sensitivity analysis of the key influencing parameters such as vertical stress, cohesion of bedding plane, permeability of bedding plane, injection rate, and fracturing fluid viscosity on the fracture height growth is implemented. The fracture penetration coefficient and the area coefficient of vertical propagation are introduced to evaluate the penetrating ability, and the degree of influence of each factor on the penetrating ability is analyzed and ranked using grey relational analysis (GrA). The simulation results show that the hydraulic fracture tends to penetrate bedding planes under the condition of high vertical stress, high cohesion of bedding plane, low permeability of bedding plane, high injection rate, and high fracturing fluid viscosity. due to the existence of bedding planes, the morphology of hydraulic fracture is more complex, and the fracture shape presents several forms, typically including "I", "工", and "キ" shape. When the fracture penetration coefficient and the area coefficient of vertical propagation are higher, it is more likely that the hydraulic fracture penetrates the bedding plane directly. Otherwise, it will be arrested and turn to propagate along the bedding planes. Compared with other factors,

关键词： Shale

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Sprayable coating based on fluorinated silica nanocomposites with superhydrophobic and antibacterial properties for advanced concrete

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Progress in Natural Science:Materials International 2022年第4期32卷 472-481页

作者： Feng Yang Wuyifan Zhou Fuhai Li Ling Yuan Yangmin diao Yinglu Liu Yuan Pu Yong Zhang Yong Zhao Ou Jiang dan Wang Key Laboratory of Advanced Technology of Materials (Ministry of Education of China) Key Laboratory of Magnetic Suspension Technology and Maglev Vehicle (Ministry of Education of China) School of Materials Science and Engineering Southwest Jiaotong University Superconductivity and New Energy R&D Center Southwest Jiaotong University School of Civil Engineering Southwest Jiaotong University State Key Laboratory of Organic-Inorganic Composites Beijing University of Chemical Technology Oncology Department The Second People's Hospital of Neijiang

The porous hydrophilic nature of concrete structures makes them highly susceptible to chemical attack and bacterial adhesion, and the durability of concrete structures gradually decreases. In this work, a kind of sprayable coating with superhydrophobic and antibacterial properties was developed, which was used for surface engineering of concrete via the hydrophilic property of concrete and capillary action. The treated surface of concrete exhibited significant superhydrophobicity, with a static water contact angle of 162.4°and a sliding angle of 5°.The water absorption values of the treated concrete samples in merged in deionized water and 3.5 wt% Na Cl solution for 7 days were measured as 1.85% and 2.71%, indicating the enhancement of water repellency by 72.03% and 80.11%, respectively. The antibacterial characterization revealed that the superhydrophobic coating enabled significantly reduced adhesion of bacteria, with the antibacterial rates of 84.57 ± 2.5% for E. coli and 90.43 ± 1.6% for S. epidermidis, respectively. The superhydrophobic coating provides hydrophobic protection for porous substrate structures and effectively reduce the corrosion damage of substrate materials, which is of practical significance for improving the durability of concrete structures.

关键词： Superhydrophobic Ultra-light Antibacterial Coating Concrete

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Segmentation Of Neutrophil Nucleus in White Blood Cell Images Using Kapur’s entropy based Improved Grey Wolf Optimization

Segmentation Of Neutrophil Nucleus in White Blood Cell Image...

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International Conference on Biosignals, Images and Instrumentation (ICBSII)

作者： r Saranya A Bakiya Department of Electronics and Communication Engineering Vel Tech Rangarajan Dr Sagunthala R&D Institute of Science and Technology Chennai India Department of Electronics and Communication Engineering Center for Biomedical Signal Processing Vel Tech Rangarajan Dr Sagunthala R&D Institute of Science and Technology Chennai India

ISBN: (数字)9798331513863

ISBN: (纸本)9798331513870

Qualitative analysis of blood disorders is the most challenging job in current medical image. diagnosing disorders through qualitative analysis relies heavily on approximation. disorders related to white blood cells (WBC) are notably prevalent in medical practice. Identifying blood disorders leads to classification of various blood related conditions. Hence, the automated identification of blood related disorder allows to bypass the existing complex environment and focus on the complex image insight provided by the images. In this study, the automated segmentation of neutrophil nucleus in white blood cells microscopic through Kapur’s entropy multilevel thresholding technique. In the process of an efficient segmentation through Kapur’s entropy, the threshold optimal values are required to change the class variance or entropy criteria. To achieve these optimizations, Improved Grey Wolf (IGWO) nature-inspired metaheuristic algorithms are employed for this study. The experimental test has conducted on standard images using various levels of threshold (2, 3, 4, 5 and 6). The efficacy of Kapur’s entropy based improved grey wolf optimization approach has been evaluated and performed with established optimization methods contains Genetic Algorithm(GA), Moth Fly Optimization (MFO), Firefly Optimization, Fire Hawk Optimization and Particle Swarm Optimization (PSO). results demonstrated that Kapur’s entropy based IGWO outperformed for neutrophil nucleus segmentation in microscopic images when compared to other optimization techniques in both quality and consistency.

关键词： White blood cells Image segmentation Microscopy Optimization methods Entropy Particle swarm optimization Optimization Standards Medical diagnostic imaging Genetic algorithms

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rosa chinensis as edible flowers:phytochemicals and biological effects

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Journal of Future Foods 2023年第4期3卷 357-363页

作者： Huihui Zhou Ming Liu Yilin Yuan Nashwa M.Shalapy Lili Cui National R&D Center for Edible Fungus Processing Technology Henan UniversityKaifeng 475004China Microbial Chemistry Department Biotechnology Research InstituteNational Research CenterCairo 13632Egypt Joint International Research Laboratory of Food&Medicine Resource Function Henan ProvinceKaifeng 475004China Functional Food Engineering Technology Research Center Kaifeng 475004China

rosa chinensis as edible flowers,is a kind of traditional Chinese medicine,which is rich in resources and is cultivated in most parts of *** phytochemicals mainly include flavonoids and their glycosides,phenolic acids,pentacyclic triterpenes and *** has many biological activities,including antioxidation,antibiosis,protection of pancreatic islet *** phytochemicals and biological activities of *** were summarized by databases such as Web of Science,SciFinder,Baidu Scholar,PubMed,Sciencedirect and SpringerLink.

关键词： rosa chinensis Phytochemicals Biological activities

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Electric Propulsion System with Hybrid Powertrain Equipped with diesel/Gas Generators and Battery-Buffered AC Common Bus for LNG Ships

Electric Propulsion System with Hybrid Powertrain Equipped w...

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International Conference on Electrical Systems for Aircraft, railway, Ship Propulsion and road Vehicles & International Transportation Electrification Conference (ESArS-ITEC)

作者： Taha Buğra Sarı Orçun Şenler Murat Mustafa Savrun R&D Center BMA Technology Kocaeli Turkey Electrical & Electronics Engineering Adana Alparslan Tü rkeş Science and Technology University Adana Turkey

ISBN: (数字)9798350373905

ISBN: (纸本)9798350373912

In the contemporary maritime industry, energy-efficient operations on ships are increasingly prevalent, motivated by mandatory regulations from sector-leading organizations aimed at reducing carbon emissions. Electric propulsion systems are an alternative solution to further enhance energy efficiency by ensuring optimum power flow between alternative sources and common busbars. This study presents an electric propulsion system with hybrid powertrain for an LNG ship and its power management system. The powertrain is composed of a common AC busbar, diesel generator, LNG generator, battery, and electric motors. The relevant system has the advantages of having an energy storage system to supply critical loads under challenging conditions and prioritizing the use of LNG instead of diesel generators, thereby reducing COx emissions. Additionally, it encompasses synchronization challenges brought about by the use of multiple power sources. The synchronization of these diesel and LNG generators to the battery-buffered common AC bus presents its own challenging issues. In this study, both the energy-efficient electric propulsion system layout and the power management system that ensures low-emission and efficient system operation have been described.

关键词： Mechanical power transmission Propulsion Generators Energy efficiency regulation Hybrid power systems Liquefied natural gas Batteries Synchronization Marine vehicles

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