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Global Conference for Advancement in Technology (GCAT)

作者： V.S.Prakash Annamalai Muthu B. Anandan V. Velmurugan T. Alex Stanley raja Purushothaman V Department of Computer Science Kristu Jayanti College Bengaluru Electrical Section Engineering Department University of Technology and Applied Science Nizwa Oman Department of Mechanical Engineering Siddharth Institute of Engineering & Technology Puttur Andhrapradesh Department of ECE Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology Avadi Chennai Tamil Nadu India Department of Electrical and Electronics Engineering Assistant Professor Level III Bannari Amman Institute of Technology Sathyamangalam Department of Electronics and Communication Engineering Chennai Institute of Technology Chennai

ISBN: (数字)9798350376685

ISBN: (纸本)9798350376692

The rapid global shift towards electric vehicles (EVs) marks a transformative era in transportation, driven by the imperative to reduce carbon emissions and reliance on fossil fuels. Central to the performance and longevity of EVs are Battery Management Systems (BMS), which optimize battery usage, enhance safety, and extend operational life. This comprehensive review explores current trends and future directions in BMS optimization, focusing on key technological advancements and their implications for electric mobility. Battery Management Systems (BMS) serve as critical components in electric vehicles, orchestrating the efficient operation of battery packs through real-time monitoring, state-of-charge (SoC) estimation, thermal management, and fault diagnosis. These systems not only ensure optimal performance but also safeguard against potential hazards, thereby enhancing vehicle reliability and user confidence. Current advancements in BMS technology emphasize enhanced accuracy in SoC estimation, leveraging sophisticated algorithms and sensor integration to provide precise information on battery charge levels. Coupled with innovative thermal management strategies, which include active cooling and heating systems, BMS can mitigate thermal stress and optimize battery performance across diverse environmental conditions. By synthesizing technological advancements, emerging trends, and potential challenges, it offers valuable insights for researchers, engineers, and policymakers aiming to advance the efficiency, reliability, and sustainability of electric mobility solutions worldwide.

关键词： Technological innovation Electric potential Battery management systems Estimation Electric vehicles Thermal management Market research Sustainable development Thermal stresses Optimization

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Interactions between atomic-scale skyrmions in 2d chiral magnets

arXiv

引用

arXiv 2023年

作者： Kameda, Mai Kobayashi, Koji Kawaguchi, Yuki Toyota Central R&D Labs. Inc. Nagakute480-1192 Japan Physics Division Sophia University Tokyo102-8554 Japan Department of Applied Physics Nagoya University Nagoya464-8603 Japan Research Center for Crystalline Materials Engineering Nagoya University Nagoya464-8603 Japan

To commercialize stable, highly-integrated, and low-power-consuming magnetic memories of skyrmions, stable control of their motion is crucial. Manipulating the inter-skyrmion interactions is key to achieving this goal. We find that distortion of the skyrmion shape can induce the inter-skyrmion attraction between atomic-scale small skyrmions, similar to larger skyrmions. Also, the interaction of smaller skyrmions reaches further, when scaled by the skyrmion size, than that of larger skyrmions. The continuum model is still capable of explaining the behavior. Moreover, the formation of the magnetic domains between skyrmions also induces attraction, which is again the same mechanism as larger skyrmions. This study contributes to better control of the skyrmion motion with a wide range of their sizes. Copyright © 2023, The Authors. All rights reserved.

关键词： Magnetic domains

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Biometric Application on Facial Image recognition Techniques

Biometric Application on Facial Image Recognition Techniques

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Computing, Power and Communication Technologies (IC2PCT), IEEE International Conference on

作者： A. Ambikapathy Thiyam deepa Beeta r. Kishore Kanna Archibald danquah-Amoah V. Subha ramya U. Mutheeswaran Department of Electrical and Electronics Engineering Galgotias College of Engineering and Technology Greater Noida UP India Department of Biomedical Engineering Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology Chennai India Department of Biomedical Engineering Jerusalem College of Engineering (Autonomous) Chennai India Department of Biomedical Equipment Technology and Department of Medical Laboratory Faculty of applied science Accra Technical Universit Ghana West Africa Department of Biomedical Engineering Vels Institute of Science Technology and Adbvanced Studies Chennai India

Currently, the utilisation of biometric traits for the authentication of individuals has become widespread. Various biometric features such as fingerprints, iris patterns, and facial characteristics are employed for the purpose of person authentication. Facial recognition technology is widely recognised as a popular method for person authentication. There exists a variety of algorithms, each with its own set of advantages and disadvantages. dimensionality reduction is a crucial step in facial recognition algorithms due to the presence of multiple facial features within a facial image. The primary objective of this paper is to employ principle component analysis techniques in the face recognition process. Principal Component Analysis (PCA) has been found to yield highly favourable outcomes in the context of dimensionality reduction. Principal Component Analysis (PCA) is a statistical technique that generates eigenvectors. The eigenvectors are combined to form images, which are subsequently used to visualise the eigenfaces.

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Self-surface heating membrane distillation for sustainable production of freshwater: A state of the art overview

引用

Progress in Materials Science 2024年 145卷

作者： Subrahmanya, T.M. Austria, Hannah Faye M. Chen, Yi-Yun Setiawan, Owen Widakdo, Januar Kurkuri, Mahaveer d. Hung, Wei-Song Hu, Chien-Chieh Lee, Kueir-rarn Lai, Juin-Yih Advanced Membrane Materials Research Center Graduate Institute of Applied Science and Technology National Taiwan University of Science and Technology Taipei10607 Taiwan Department of Physics Faculty of Mathematics and Natural Sciences Universitas Indonesia Depok16424 Indonesia Jain Global Campus Karnataka Bengaluru562112 India R&D Center for Membrane Technology Chung Yuan University Chung-Li 32023 Taiwan Department of Chemical Engineering and Materials Science Yuan Ze University Taoyuan32023 Taiwan

Shortage of freshwater is a global challenge related to population growth, changes in climate conditions and industrial and agricultural needs. Thus, sustainable freshwater production through desalination and wastewater treatment is essential for various human purposes. Membrane distillation (Md) is a recent thermal driven membrane based purification technology with capability to eliminate the limitations of traditional desalination technologies by a synergistic exploitation of the nexus between water and energy. Though Md is recognized as an ecofriendly technology, input heat energy utilization and its efficient management remains a challenge influencing the economic viability of the technology and hindering its realistic applications. To solve this problem, it requires an integrative approach involving materials chemistry, physical chemistry, polymer science, and materials engineering. In addition to the use of robust wetting and fouling resistant membranes, employing the newly developed self-surface heating membranes such as photothermal, joule heating and induction heating membranes have not only minimized energy requirement and fouling issues of Md technology but also enabled it to be considered as potential and economically viable approach for producing high-quality freshwater with negligible carbon footprint. Specifically, recent studies on self-surface heating membranes, utilizing nanomaterials with photothermal, conductive, and magnetic properties, have revealed new possibilities for renewable energy utilization in Md technology. Through direct irradiation or photovoltaic energy conversion, nanomaterial-integrated membranes significantly enhance Md's energy efficiency and productivity without compromising cost-effectiveness, opening avenues for sustainable desalination and water purification technologies. Here, we furnish a comprehensive state of the art overview on (1) the progress of conventional antifouling Md membranes and (2) the opportunities, challen

关键词： desalination

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UV–Vis absorption spectroscopic analysis of Er 3 + ion doped oxyhalide glasses

引用

Materials Today: Proceedings 2022年 49卷 1646-1649页

作者： G. Chandrashekaraiah C. Narayana reddy V.C. Veeranna Gowda K.J. Mallikarjunaiah R&D Center Bharatiar University Coimbatore 641046 India Department of Physics Government First Grade College Kunigal 572130 India Department of Physics PES Degree College Bengaluru 560050 India Department of Physics Maharani Science College for Women Bengaluru 560001 India Department of Physics MS Ramaiah University of Applied Sciences Bengaluru 560058 India

The glass networks are exciting with a result of their bonding like bridging and non-bridging over oxygens ions. In these networks the B 2 O 3 and L i 2 O glass network is added with Bi 3 + and Er 3 + ions. we calculated some optical properties of oxyhalide glass system 60 B 2 O 3 + 30 L i 2 O + x E r 2 O 3 + 10 - x B i C l 3 . With x changing from 0.1 to 0.5 mol % utilizing UV–Vis absorption spectra and the band gap was calculated utilizing Tauc plot relation. In these networks carry out direct and indirect permitted optical band gap energies ( E g ). These outcomes show that, E g decreases with the addition of Er 3 + ions oxyhalide glasses content. Several proposed relationships for the refractive index and band gap energy for various compositions are discussed. Utilizing distinctive theoretical models, a suitable relationship is identified for the composition studied in this work.

关键词： Energy gap refractive index Borate glass diborate glass and Oxide ion

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Surface modification of Li1.3Al0.3Ti1.7(PO4)3 solid electrolytes by polymethylsiloxane-based polymer for all-solid-state lithium batteries

引用

Ceramics International 2024年

作者： Liu, Kai-Wen Hsu, Ping-Hsuan Chang, Jeng-Kuei Wang, Fu-Ming Liu, Wei-ren Department of Chemical Engineering Chung Yuan Christian University Taoyuan City32023 Taiwan R&D Center for Membrane Technology Chung Yuan Christian University Taoyuan City32023 Taiwan Sustainable Energy Development Centre Graduate Institute of Applied Science & Technology National Taiwan University of Science and Technology Taipei City10607 Taiwan Department of Materials Science and Engineering National Yang Ming Chiao Tung University 1001 University Road Hsinchu City30010 Taiwan

Lithium all-solid-state batteries (LASSBs) face the challenge of poor performance, interface contact between electrodes, limiting voltage window of solid electrolytes, side reactions between cathode/solid electrolyte, anode/solid electrolyte and so on. To motivate the pursuit of advanced solutions, one of the efficient approaches is to design all-solid-state inorganic/polymer composite electrolytes. This study addresses limitations associated with Li1.3Al0.3Ti1.7(PO4)3 (LATP) as an inorganic solid electrolyte, including instability and short cycle life, by introducing organic-based ethylene glycol methyl ether methacrylate-co-acrylate acid functional groups (AAM950) polymer as a protective interphase between LATP pellet and Li metal. The synergistic effects of LATP pellet and AAM950 reduces the interfacial resistance between LATP pellet and Li metal and significantly suppresses lithium dendrite growth during charge and discharge processes. The ionic conductivity of LATP/AAM950 solid electrolyte exhibits ionic conductivity of 9.3 × 10−4 S/cm at room temperature, while Li stripping/plating tests demonstrates overpotential below 0.2 V over 100 cycles at a current density of 0.63 mA/cm2. Furthermore, the modified LATP/AAM950 solid electrolyte can withstand a current density of 249 mA/cm2 at room temperature, which was a dramatic improvement compared to the LATP pellet's one of only 3 mA/cm2. Finally, we assemble an all-solid-state full cell by using NCM622@LATP||AAM950/LATP/AAM950||Li, which delivers an initial discharge capacity of 165.4 mAh/g and remain 132.9 mAh/g after 100 cycles at 0.1C, achieving a remarkable 80.4 % retention. These advancements contribute significantly to the field of Li all-solid-state batteries, fostering innovation in the energy industry. © 2024 Elsevier Ltd and Techna Group S.r.l.

关键词： Pelletizing

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Changes in the structure and physical properties of acrylic and epoxy adhesives in response to high-temperature and high-humidity environments

Results in Materials

引用

results in Materials 2024年 21卷

作者： Kamo, Yoshiyuki Kamiyama, Koji Matsumoto, Akikazu Mitsubishi Electric Corporation Advanced Technology R&D Center 8-1-1 Tsukaguchi-Honmachi Hyogo Amagasaki 661-8661 Japan Department of Applied Chemistry Graduate School of Engineering Osaka Prefecture University 1-1 Gakuen-cho Naka-ku Sakai Osaka 599-8531 Japan Department of Applied Chemistry Graduate School of Engineering Osaka Metropolitan University 1-1 Gakuen-cho Naka-ku Sakai Osaka 599-8531 Japan

The strength of adhesives and adhesive joints degrade due to changes occurring in terms of environmental heat, moisture, and temperature conditions experienced during use. Adhesives with a sea-island phase separated structure consisting of hard and soft domains, are designed to improve reliability when it comes to adhesion. In this study, we investigated the changes occurring in terms of in adhesive strength and phase separated structures during the processes of repeated moisture absorption and desorption for two commercially available adhesives. We measured the adhesive strength of epoxy and acrylic adhesives containing elastomers during dry/wet cycles. The collapse of the phase-separated structures was confirmed via TEM and AFM-Ir observations. The changes seen in terms of the continuous structure of the rubbery phase in the acrylic adhesive was greater than that seen in the epoxy adhesive. This caused delamination at the interface located between the adherend and the adhesive. Thus, the adhesive strength of epoxy adhesive has been deemed stable in relation to changes occurring in terms of temperature and humidity. © 2023 The Authors

关键词： Acrylic adhesive Adhesion strength Epoxy adhesive Moisture absorption Phase separation

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Correlation among the oxide ion polarizability, optical basicity and interaction parameter in Gd3+ ions doped oxyhalide borate glasses 2

Correlation among the oxide ion polarizability, optical basi...

引用

2nd International Conference on Advances in Physical Sciences and Materials 2021, ICAPSM 2021

作者： Chandrashekaraiah, G. Gowda, V.C. Veeranna Jayasheelan, A. reddy, C. Narayana Mallikarjunaiah, K.J. R&D Center Bharatiar University Coimbatore641046 India Department of Physics Government First Grade College Kunigal572130 India Department of Physics Maharani Science College for Women Bengaluru560001 India Department of Physics PES Degree College Bengaluru560050 India Department of Physics M. S. Ramaiah University of Applied Sciences Bengaluru560058 India

A borate glasses doped with rare earth Gd3+ ion in the system [60B2O3 + 30 Li2O + x Gd2O3 + (10-x) BiCl3] is prepared by the conventional melt quenching method and their optical properties have been studied. The oxide ion polarizability parameter is calculating by using refractive index of glass materials, which is obtained from UV-Vis spectra. The borate glasses are known to possess high oxide ion polarizability, high refractive index, high basicity and low interaction parameter values. In this present study, theoretical calculation of basicity and interaction parameter, using oxide ion polarization, of the glass network has been addressed. A good linear correlation between the interaction parameter and basicity is observed. © Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence.

关键词： Ions

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determination of the Blending Parameters of Terblends Containing a Terpolymer as a Component Copolymer by Multivariate Analysis of NMr data

SSRN

引用

SSrN 2024年

作者： Hirano, Tomohiro Kamiike, ryota Ute, Koichi Department of Applied Chemistry Tokushima University 2-1 Minamijosanjima Tokushima770-8506 Japan R&D Center Nippon A&L Inc. 2-10-2 Kikumoto Ehime Niihama792-0801 Japan Research Cluster on Development of Data-driven Prediction System for Polymeric Materials Tokushima University 2-1 Minamijosanjima Tokushima770-8506 Japan

Acrylonitrile (AN) was radically copolymerized with styrene (ST) or α-methylstyrene (MS) to prepare bipolymers with different compositions. All three comonomers were used to prepare terpolymers with different compositions. The three kinds of copolymers were mixed to prepare polymer blends. Statistical analysis of data derived from nuclear magnetic resonance (NMr) spectra of the polymer blends was conducted to determine the blending parameters, such as the chemical composition and mole fraction of the component copolymers. Partial least-squares (PLS) regression and least absolute shrinkage and selection operator (LASSO) regression were used as the exploratory techniques. The use of 1H NMr spectral data as explanatory variables showed poor prediction, probably because of low resolution due to the narrow spectral width. Accordingly, 13C NMr spectra, which have wider spectral widths, were used as the explanatory variables, resulting in the successful prediction of the blending parameters of the terblends containing a terpolymer as a component. It should be noted that it was not necessary to obtain the NMr spectra of all the polymer blends as the explanatory variables, i.e., linear combinations of the NMr spectra of the component copolymers were sufficient. © 2024, The Authors. All rights reserved.

关键词： Nuclear magnetic resonance

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Adversarial Artifact removal: A GAN-Based Framework for Enhanced Image Quality and reliability

Adversarial Artifact Removal: A GAN-Based Framework for Enha...

引用

Advances in Electrical, Computing, Communication and Sustainable Technologies (ICAECT), International Conference on

作者： Pournima Pande M. Misba deepak Gupta V.Kanpur rani Hassan Safi Ahmed A. Balakumar Department of Applied Chemistry Yeshwantrao Chavan College of Engineering Nagpur India Department CSE (AI&ML) Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology Chennai Tamil Nadu India Department of Mechanical Engineering Graphic Era Hill University Dehradun Uttarakhand India Department of Mechanical Engineering Graphic Era Deemed to be University Dehradun Uttarakhand India Department of EEE Hindustan Institute of Technology and Science Chennai India Department of Biomedical Engineering Al-Farahidi University Baghdad Iraq Department of ECE K.Ramakrishnan College of Engineering Trichy India

ISBN: (数字)9798350356236

ISBN: (纸本)9798350356243

Artifacts in images are significant challenges in many fields and degrade the quality and reliability of data analysis. Existing methods for artifact removal face a problem of complex and diverse artifacts, limiting their effectiveness. Traditional techniques for removing artifacts have a problem with low adaptability to different types of artifacts and can sometimes delete important features of an image. The artifact removal method takes the concept of GANs into use to remove artifacts within the adversarial training model from images. It rectifies the issues stated previously through the proposed approach based on training a GAN. The G learns artifact-free versions of the images and the d tells them clean or corrupted ones while the G continues its progression towards artifact removal guided by d. Once it was trained, G had completely removed artifacts in novel unseen images. results prove the superiority of this proposed artifact removal compared with existing approaches across a spectrum of datasets including different forms of artifacts: noise compression, and occlusion results of removing such different kinds of artifacts without sacrificing much the image quality along with preserving other critical features that need removal. Adversarial removal artifacts can be taken as one such error value 112.31 solution in making an improved version of enhancing quality as well as reliability of the image while making applications over the range.

关键词： Training Image quality deep learning Limiting Image coding data analysis Noise Generative adversarial networks Software reliability Faces

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