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TFN-FICFM:sEMG-Based Gesture Recognition Using Temporal Fusion Network and Fuzzy Integral-based Classifier Fusion

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Journal of Bionic Engineering 2024年第4期21卷 1878-1891页

作者： Fo Hu kailun He Mengyuan Qian Mohamed Amin Gouda College of Information Engineering Zhejiang University of TechnologyHangzhou310023China Department of Mechanical Engineering and Automation Northeastern UniversityShenyang110819China

Surface electromyography(sEMG)-based gesture recognition is a key technology in the field of human–computer ***,existing gesture recognition methods face challenges in effectively integrating discriminative temporal feature representations from sEMG *** this paper,we propose a deep learning framework named TFN-FICFM comprises a Temporal Fusion Network(TFN)and Fuzzy Integral-Based Classifier Fusion method(FICFM)to improve the accuracy and robustness of gesture ***,we design a TFN module,which utilizes an attention-based recurrent multi-scale convolutional module to acquire multi-level temporal feature representations and achieves deep fusion of temporal features through a feature pyramid ***,the deep-fused temporal features are utilized to generate multiple sets of gesture category prediction confidences through a feedback ***,we employ FICFM to perform fuzzy fusion on prediction confidences,resulting in the ultimate *** study conducts extensive comparisons and ablation studies using the publicly available datasets Ninapro DB2 and *** demonstrate that the TFN-FICFM model outperforms state-of-the-art methods in classification *** research can serve as a benchmark for sEMG-based gesture recognition and related deep learning modeling.

关键词： Gesture recognition sEMG Deep learning Temporal fusion Fuzzy fusion

Process optimization and mechanism study of ionic liquid-based mixed amine biphasic solvents for CO_(2) capture in biogas upgrading procedure

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Frontiers of Environmental Science & Engineering 2024年第8期18卷 43-57页

作者： Fanzhi Meng Siyu Han Li Lin Jinglin Li kailun Chen Jianguo Jiang School of Environment Tsinghua UniversityBeijing 100084China

This study focused on enhancing the efficiency of methane upgrading and reducing energy consumption in the biogas upgrading process through the use of biphasic *** aqueous-based biphasic solvent,comprising methyl monoethanolamine(MMEA),N-methyldiethanolamine(MDEA),and 1-butyl-3-methylimidazolium tetrafluoroborate(ItFB),was meticulously *** biogas upgrading effect,regeneration efficiency,regeneration energy consumption,economic viability,selectivity,and phase separation characteristics of this absorbent were systematically *** parameters,including different inlet flow rates,stirring rate,methane inlet concentrations,reaction temperatures,and amine mixing ratios,were adjusted to investigate their impact.A comprehensive evaluation was conducted on the biogas upgrading effect and substance migration trends of the biphasic *** process parameters were determined,demonstrating the favorable impact of the biphasic solvent on biogas *** upgraded gas achieved a methane purity exceeding 96%,and the regeneration energy consumption decreased by 44.27% compared to 30 wt.%MEA,resulting in a more than 50% improvement in economic *** interaction between the ionic liquid and carbamate facilitated the phase separation process,with carbon enrichment after separation exceeding 95%.This enhancement significantly contributed to the improvement of regeneration energy *** study thus concludes that biphasic solvents,exemplified by the described aqueous-based solution,offer a promising avenue for effective biogas upgrading with notable advancements in economic and energy efficiency.

关键词： Biphasic solvents Biogas upgrading Energy consumption Process parameters Ionic liquid

Antibacterial effects of platelet-rich fibrin produced by horizontal centrifugation

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International Journal of Oral Science 2020年第4期12卷 309-316页

作者： Mengge Feng Yulan Wang Peng Zhang Qin Zhao Shimin Yu kailun shen Richard J.Miron Yufeng Zhang State Key Laboratory Breeding Base of Basic Science of Stomatology(Hubei-MOST)and Key Laboratory of Oral Biomedicine Ministry of EducationSchool and Hospital of StomatologyWuhan UniversityWuhanChina Department of Periodontology School of Dental MedicineUniversity of BernBernSwitzerland Medical Research Institute School of MedicineWuhan UniversityWuhanChina

Platelet-rich fibrin(PRF)has been widely used owing to its ability to stimulate tissue *** date,few studies have described the antibacterial properties of ***,PRF prepared by horizontal centrifugation(H-PRF)was shown to contain more immune cells than leukocyte-and platelet-rich fibrin(L-PRF).This study aimed to compare the antimicrobial effects of PRFs against Staphylococcus aureus and Escherichia coli in vitro and to determine whether the antibacterial effects correlated with the number of immune *** samples were obtained from eight healthy donors to prepare L-PRF and *** sizes and weights of L-PRF and H-PRF were first evaluated,and their antibacterial effects against *** and *** were then tested in vitro using the inhibition ring and plate-counting test ***-cytometric analysis of the cell components of L-PRF and H-PRF was also *** significant differences in size or weight were observed between the L-PRF and H-PRF *** H-PRF group contained more leukocytes than the L-PRF *** both PRFs had notable antimicrobial activity against *** and ***,H-PRF demonstrated a significantly better antibacterial effect than ***,the antimicrobial ability of the PRF solid was less efficient than that of wet *** conclusion,H-PRF exhibited better antibacterial activity than L-PRF,which might have been attributed to having more immune cells.

关键词： fibrin Blood Platelet

Dual-Wavelength Photosensitive Nano-in-Micro Scaffold Regulates Innate and Adaptive Immune Responses for Osteogenesis

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Nano-Micro Letters 2021年第2期13卷 124-143页

作者： Qin Zhao Miusi Shi Chengcheng Yin Zifan Zhao Jinglun Zhang Jinyang Wang kailun shen Lingling Zhang Hua Tang Yin Xiao Yufeng Zhang The State Key Laboratory Breeding Base of Basic Science of Stomatology(Hubei-MOST)and Key Laboratory of Oral Biomedicine Ministry of EducationSchool and Hospital of StomatologyWuhan UniversityWuhan 430079People’s Republic of China Medical Research Institute School of MedicineWuhan UniversityWuhan 430071People’s Republic of China Institute of Immunology Shandong First Medical University&Shandong Academy of Medical SciencesTaian 271000People’s Republic of China Institute of Health and Biomedical Innovation&Australia-China Centre for Tissue Engineering and Regenerative Medicine Queensland University of TechnologyKelvin Grove 4059QLDAustralia

The immune response of a biomaterial determines its osteoinductive *** the mechanisms by which some immune cells promote regeneration have been revealed,the biomaterial-induced immune response is a dynamic process involving multiple ***,it is challenging to accurately regulate the innate and adaptive immune responses to promote osteoinduction in ***,we investigated the roles of macrophages and dendritic cells(DCs)during the osteoinduction of biphasic calcium phosphate(BCP)*** found that osteoinductive BCP directed M2 macrophage polarization and inhibited DC maturation,resulting in low T cell response and efficient ***,a dual-targeting nano-in-micro scaffold(BCP loaded with gold nanocage,BCP-GNC)was designed to regulate the immune responses of macrophages and *** a dual-wavelength photosensitive switch,BCP-GNC releases interleukin-4 in the early stage of osteoinduction to target M2 macrophages and then releases dexamethasone in the later stage to target immature DCs,creating a desirable inflammatory environment for *** study demonstrates that biomaterials developed to have specific regulatory capacities for immune cells can be used to control the early inflammatory responses of implanted materials and induce osteogenesis.

关键词： Gold nanocage Drug release Photocatalysis Immunomodulation Osteoinduction

Probabilistic modeling of multifunction radars with autoregressive kernel mixture network

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Defence Technology（防务技术） 2024年第5期35卷 275-288页

作者： Hancong Feng Kaili.Jiang Zhixing Zhou Yuxin Zhao kailun Tian Haixin Yan Bin Tang School of Information and Communication Engineering University of Electronic Science and Technology of ChinaChengdu 611731China

The task of modeling and analyzing intercepted multifunction radars(MFRs)pulse trains is vital for cognitive electronic *** methodologies predominantly rely on prior information or heavily constrained models,posing challenges for non-cooperative *** paper introduces a novel approach to model MFRs using a Bayesian network,where the conditional probability density function is approximated by an autoregressive kernel mixture network(ARKMN).Utilizing the estimated probability density function,a dynamic programming algorithm is proposed for denoising and detecting change points in the intercepted MFRs pulse *** results affirm the proposed method's efficacy in modeling MFRs,outperforming the state-of-the-art in pulse train denoising and change point detection.

关键词： Probabilistic forecasting Multifunction radar Unsupervised learning Change point detection Outlier detection

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土钉加排桩复合围护结构的共同作用分析

岩石力学与工程学报 2007年第1期26卷 169-174页

作者：沈恺伦浙江大学建筑工程学院浙江杭州310027

土钉加排桩复合围护结构是新近出现的一种深基坑围护结构形式。在缺少类似工程经验的情况下,结合详细的现场监测数据,借助有限元软件对该复合围护结构进行计算,分析土钉和排桩各自的受力变形性状以及它们之间共同作用的特性。通过有限... 详细信息

土钉加排桩复合围护结构是新近出现的一种深基坑围护结构形式。在缺少类似工程经验的情况下,结合详细的现场监测数据,借助有限元软件对该复合围护结构进行计算,分析土钉和排桩各自的受力变形性状以及它们之间共同作用的特性。通过有限元计算与现场监测结果的对比,提出基于室内土工试验结果的同类硬黏土弹性模量的取值方法,并对复合围护结构中土钉与排桩的共同作用进行分析,给出设计和计算分析的实用方法。

关键词：土力学土钉排桩复合围护结构共同作用

Transient Characteristics and Accommodative Current Limiting Strategy for Bidirectional Interlinking Converters in Hybrid AC/DC Microgrids

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CSEE Journal of Power and Energy Systems 2024年第4期10卷 1575-1588页

作者： Xia shen Zhikang Shuai Wen Huang Chao shen Yang shen Z.John shen College of Electrical and Information Engineering Hunan UniversityChangsha 410082China Department of Electrical and Computer Engineering Illinois Institute of TechnologyChicagoIL 60616 USA

Bidirectional interlinking converter(BIC)is the core equipment in a hybrid AC/DC microgrid connected between AC and DC ***,the variety of control modes and flexible bidirectional power flow complicate the influence of AC faults on BIC itself and on DC sub-grid,which potentially threaten both converter safety and system *** study first investigates AC fault influence on the BIC and DC bus voltage under different BIC control modes and different pre-fault operation states,by developing a mathematical model and equivalent sequence ***,based on the analysis results,a general accommodative current limiting strategy is proposed for BIC without limitations to specific mode or operation *** amplitude is predicted and constrained according to the critical requirements to protect the BIC and relieving the AC fault influence on the DC bus *** with conventional methods,potential current limit failure and distortions under asymmetric faults can also be ***,experiments verify feasibility of the proposed method.

关键词： Bidirectional interlinking converter current limiting fault characteristic hybrid AC/DC microgrid variation/oscillation of DC bus voltage

Rational Solutions of First Order Algebraic Ordinary Differential Equations

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Journal of Systems Science & Complexity 2024年第2期37卷 567-580页

作者： FENG Shuang shen Liyong School of Physical and Mathematical Sciences Nanjing Tech UniversityNanjing 211816China School of Mathematical Sciences University of Chinese Academy of SciencesBeijing 100049China

Let f(t,y,y')=∑ _(i=0)^(n )a_(i)(t,y)y'^(i)=0 be an irreducible first order ordinary differential equation with polynomial *** in 1998 proved that there exists a constant C such that every rational solution of f(t,y,y')=0 is of degree not greater than *** show that this degree bound C depends not only on the degrees of f in t,y,y' but also on the coefficients of f viewed as the polynomial in t,y,y'.In this paper,the authors show that if f satisfies deg(f,y)0,then the degree bound C only depends on the degrees of f in t,y,y',and furthermore we present an explicit expression for C in terms of the degrees of f in t,y,y'.

关键词： Degree bound first order AODE height rational solution

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Research Progress in Flame Retardant in Flame Retardant Coatings

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Expert Review of Chinese Chemical

Expert Review of Chinese Chemical 2024年第2期2卷 27-31页

作者： kailun Xing Siqi Yin Anhui University of Science and Technology School of Chemical Engineering Sichuan University

Flame retardant coatings are functional materials that can serve as decorative and protec-tive substrates in the event of a *** retardant coatings generally consist of two parts:a base material and a flame retardant agent.A detailed introduction was given to the development of flame retardant coatings in recent years and the flame retardants used in flame retardant *** retardants mainly include halogen flame retar-dants,phosphorus nitrogen flame retardants,expansion flame retardants,biomass flame retardants,and graphene flame *** application of flame retardant coatings in the fields of epoxy resin,polyurethane,*** *** addition,the application of new biomass flame retardants and graphene flame retardants was introduced,and the future development of flame retardant coatings and flame retardants was described.

关键词： flame retardant coatings application