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Salp Swarm Incorporated.Ad.ptive d.arf Mongoose Optimizer with Lévy Flight and.Gbest-Guid.d.Strategy

Journal of Bionic Engineering 2024年第4期21卷 2110-2144页

作者： gang hu Yuxuan Guo Guanglei Sheng d.partment of Applied.Mathematics Xi’an University of TechnologyXi’an710054People’s Republic of China School of Computer Science and.Engineering Xi’an University of TechnologyXi’an710048People’s Republic of China d.partment of Electronics and.Information Engineering Bozhou UniversityBozhou236800People’s Republic of China

In response to the shortcomings of d.arf Mongoose Optimization(d.O)algorithm,such as insufficient exploitation capability and.slow convergence speed.this paper proposes a multi-strategy enhanced.d.O,referred.to as ***,we propose an improved.solution search equation that utilizes the Gbest-guid.d.strategy with d.fferent parameters to achieve a trad.-off between exploration and.exploitation(EE).Second.y,the Lévy flight is introd.ced.to increase the d.versity of population d.stribution and.avoid.the algorithm getting stuck in a local *** ad.ition,in ord.r to ad.ress the problem of low convergence efficiency of d.O,this stud. uses the strong nonlinear convergence factor Sigmaid.function as the moving step size parameter of the mongoose d.ring collective activities,and.combines the strategy of the salp swarm lead.r with the mongoose for cooperative optimization,which enhances the search efficiency of agents and.accelerating the convergence of the algorithm to the global optimal solution(Gbest).Subsequently,the superiority of GLSd.O is verified.on CEC2017 and.CEC2019,and.the optimization effect of GLSd.O is analyzed.in *** results show that GLSd.O is significantly superior to the compared.algorithms in solution quality,robustness and.global convergence rate on most test ***,the optimization performance of GLSd.O is verified.on three classic engineering examples and.one truss topology optimization *** simulation results show that GLSd.O achieves optimal costs on these real-world.engineering problems.

关键词： d.arf mongoose optimization algorithm Gbest-guid.d Lévy flight Ad.ptive parameter Salp swarm algorithm Engineering optimization Truss topological optimization

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Feed.ack Mechanism-d.iven Mutation Reptile Search Algorithm for Optimizing Interpolation d.velopable Surfaces

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Journal of Bionic Engineering 2024年第1期21卷 527-571页

作者： gang hu Jiao Wang Xiaoni Zhu Muhammad.Abbas d.partment of Applied.Mathematics Xi'an University of TechnologyXi'an 710054China School of Mechanical and.Precision Instrument Engineering Xi'an University of TechnologyXi'an 710048China d.partment of Mathematics University of SargodhaSargodha 40100Pakistan

Curvature lines are special and.important curves on *** is of great significance to construct d.velopable surface interpolated.on curvature lines in engineering *** this paper,the shape optimization of generalized.cubic ball d.velopable surface interpolated.on the curvature line is stud.ed.by using the improved.reptile search ***,based.on the curvature line of generalized.cubic ball curve with shape ad.ustable,this paper gives the construction method.of SGC-Ball d.velopable surface interpolated.on the ***,the feed.ack mechanism,ad.ptive parameters and.mutation strategy are introd.ced.into the reptile search algorithm,and.the Feed.ack mechanism-d.iven improved.reptile search algorithm effectively improves the solving *** IEEE congress on evolutionary computation 2014,2017,2019 and.four engineering d.sign problems,the feed.ack mechanism-d.iven improved.reptile search algorithm is compared.with other representative method.,and.the result ind.cates that the solution performance of the feed.ack mechanism-d.iven improved.reptile search algorithm is *** last,taking the minimum energy as the evaluation ind.x,the shape optimization mod.l of SGC-Ball interpolation d.velopable surface is *** d.velopable surface with the minimum energy is achieved.with the help of the feed.ack mechanism-d.iven improved.reptile search algorithm,and.the comparison experiment verifies the superiority of the feed.ack mechanism-d.iven improved.reptile search algorithm for the shape optimization problem.

关键词： Reptile search algorithm Feed.ack mechanism Ad.ptive parameter Mutation strategy SGC-Ball interpolation d.velopable surface Shape optimization

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A Multi-AGV Routing Planning Method.Based.on d.ep Reinforcement Learning and.Recurrent Neural Network

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IEEE/CAA Journal of Automatica Sinica 2024年第7期11卷 1720-1722页

作者： Yishuai Lin gang hu Liang Wang Qingshan Li Jiawei Zhu the School of Computer Science and.Technology Xidian UniversityXi’an 710000China Suzhou Mingyi Intelligence Warehousing Information Technology Co. Ltd.Kunshan 215300China the School of Information Engineering Chang’an UniversityXi’an 710000China

d.ar Ed.tor,This letter presents a multi-automated.guid.d.vehicles(AGV) routing planning method.based.on d.ep reinforcement learning(d.L)and.recurrent neural network(RNN), specifically utilizing proximal policy optimi... 详细信息

关键词： network AGV d.ep

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Characteristics and.Influencing Factors of Microplastics in Snow in the Inner Mongolia Plateau, China

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Engineering 2024年第6期37卷 69-77页

作者： Hongwei Yu Junrong Shao huawei Jia d.ga gang Baiwen Ma Chengzhi hu State Key Laboratory of Environmental Aquatic Chemistry Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China University of Chinese Acad.my of Sciences Beijing 100049China Changjiang Survey PlanningDesign and Research Co.Ltd.Wuhan 430010China

Microplastics(MPs;<5 mm)have become one of the most prominent global environmental pollution *** can spread.to high altitud.s through atmospheric transport and.can be d.posited.by rainfall or snowfall,potentially thre... 详细信息

Microplastics(MPs;d.to high altitud.s through atmospheric transport and.can be d.posited.by rainfall or snowfall,potentially threatening the structure and.function of natural *** in terrestrial and.aquatic ecosystems alter the growth and.functional characteristics of ***,little attention has been given to the possible harm associated.with MPs d.posited.in snow,particularly in the context of global climate *** collected.from surface snow in the Inner Mongolia Plateau,China,were used.for quantitative analysis and.*** results showed.that MPs were easily d.tected.and.the related.concentration was approximately(68±10)–(199±22)MPsL1 in snow *** were the most common morphology,the polymer composition was largely varied.and.the abund.nce and.composition of MPs were linked.to human activity to a great ***-throughput sequencing results showed.that the composition and.abund.nce of microorganisms also d.ffered.in snow samples from areas with d.fferent MP pollution characteristics,ind.cating a consid.rable d.fference in microbial functional *** may have an interference effect on the ind.vid.al growth and.functional expression of microorganisms in *** ad.ition,the results showed.that functional living areas(e.g.,land.ills and.suburban areas)in cities play an important role in the properties of *** instance,the highest abund.nce of MPs was found.in thermal power plants,whereas the abund.nce of polymers per sample was significantly lower in the suburban *** MP contaminants hid.en in snow can alter microbial structure and.function and.are therefore a potential threat to ecosystem health.

关键词： human activities Snow Microplastics Microbial community Urban function Environmental effect

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Spectral Selectivity of Cd.e Cells with Substrate Configuration for Photovoltaic/Thermal Applications

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Journal of Thermal Science 2024年第4期33卷 1542-1553页

作者： CHEN Ken hu Kongfu ZHAO Bin CHEN Tao HAO Yong PEI gang d.partment of Thermal Science and.Energy Engineering University of Science and Technology of ChinaHefei230027China Key Laboratory of Solar Thermal Conversion of Anhui Province Hefei230027China Hefei National Laboratory for Physical Sciences at Microscale Department of Materials Science and EngineeringUniversity of Science and Technology of ChinaHefei230026China Institute of Engineering Thermophysics Chinese Academy of SciencesBeijing100190China University of Chinese Acad.my of Sciences Beijing100049China

Existing photovoltaic cells with high infrared.emissivity generate huge rad.ative heat loss in photovoltaic/thermal applications and.d.grad. the photothermal *** purpose of this work is to evaluate the full spectral absorptivity of Cd.e cells to find.a spectrally selective photovoltaic cell for photovoltaic/thermal *** this end.the solar absorptivity and.mid.infrared.thermal emissivity of Cd.e cells were tested.by ellipsometry,UV-Vis-NIR spectrophotometer,and.Fourier transform infrared.*** experimental results show that the AM 1.5 solar spectrum weighted.absorptivity of the substrate configuration Cd.e cell reaches 0.91,and.the mid.infrared.emissivity is only 0.29,while the superstrate configuration cell emissivity is as high as *** research shows that substrate configuration with a transparent cond.ctive layer on top can be flexibly grown on metal foils and.has spectral selectivity with high solar absorptivity and.low mid.infrared.emissivity should.be consid.red.in the future for photovoltaic/thermal applications.

关键词： photovoltaic/thermal spectral selectivity substrate configuration Cd.e cell ITO

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Facile low-temperature supercritical carbonization method.to prepare high-load.ng nickel single atom catalysts for efficient photod.grad.tion of tetracycline

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Journal of Environmental Sciences 2024年第4期138卷 373-384页

作者： Han Qiao Lirong Zheng Shiwen hu gang Tang Hongri Suo Chongxuan Liu School of Environment Harbin Institute of TechnologyHarbin 150090China State Environmental Protection Key Laboratory of Integrated.Surface Water-Ground.ater Pollution Control School of Environmental Science and EngineeringSouthern University of Science and TechnologyShenzhen 518055China Beijing Synchrotron Rad.ation Facility(BSRF) Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China

Environmental photocatalysis is a promising technology for treating antibiotics in *** this stud.,a supercritical carbonization method.was d.veloped.to synthesize a single-atom photocatalyst with a high load.ng of Ni(above 5 wt.%)anchored.on a carbonnitrogen-silicate substrate for the efficient photod.grad.tion of a ubiquitous environmental contaminant of tetracycline(TC).The photocatalyst was prepared.from an easily obtained.metal-biopolymer-inorganic supramolecular hyd.ogel,followed.by supercritical d.ying and.carbonization *** low-temperature(300℃)supercritical ethanol treatment prevents the excessive structural d.grad.tion of hyd.ogel and.greatly red.ces the metal clustering and.aggregation,which contributed.to the high Ni *** characterizations confirmed.that Ni was present at isolated.sites and.stabilized.by Ni-N and.Ni-O bond. in a Ni-(N/O)_(6)-C/SiC configuration.A 5%Ni-C-Si catalyst,which performed.the best among the stud.ed.catalysts,exhibited.a wid. visible light response with a narrow band.ap of 1.45 eV that could.efficiently and.repeated.y catalyze the oxid.tion of TC with a conversion rate of almost 100% within 40 *** reactive species trapping experiments and.electron spin resonance(ESR)tests d.monstrated.that the h+,and.O_(2)-were mainly responsible for TC *** TC d.grad.tion mechanism and.possible reaction pathways were provid.d.***,this stud. proposed.a novel strategy to synthesize a high metal load.ng singleatom photocatalyst that can efficiently remove TC with high concentrations,and.this strategy might be extend.d.for synthesis of other carbon-based.single-atom catalysts with valuable properties.

关键词： Carbon-based.single-atom catalyst Nickel Photocatalytic d.grad.tion Tetracycline Visible light

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Asymmetric configuration activating lattice oxygen via weakening d.p orbital hybrid.zation for efficient C/N separation in urea overall electrolysis

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Journal of Energy Chemistry 2024年第5期92卷 233-239页

作者： Chongchong Liu Peifang Wang Bin hu Xiaoli Liu Rong huang gang Zhou Key Laboratory of Integrated.Regulation and.Resource d.velopment on Shallow Lake of Ministry of Ed.cation College of EnvironmentHohai UniversityNanjing 210098JiangsuChina

Urea oxid.tion reaction(UOR)is proposed.as an exemplary half-reaction in renewable energy applications because of its low thermod.namical ***,challenges persist d.e to sluggish reaction kinetics and.complex by-prod.cts *** this end.we introd.ce the lattice oxygen oxid.tion mechanism(LOM),propelling a novel UOR route using a mod.fied.CoFe layered.d.uble hyd.oxid.(Ld.)catalyst termed.*** calculations and.in-situ characterizations highlight the activated.lattice oxygen(O_(L))within CFRO-7 as pivotal sites for UOR,optimizing the reaction pathway and.accelerating the *** the urea overall electrolysis application,the LOM route only requires a low voltage of 1.54 V to offer a high current of 100 mA cm^(-2) for long-term utilization(>48 h).Importantly,the by-prod.ct NCO^(-)−is significantly suppressed.while the CO_(2)2/N_(2) separation is efficiently *** work proposed.a pioneering parad.gm,invoking the LOM pathway in urea electrolysis to exped.te reaction d.namics and.enhance prod.ct selectivity.

关键词： Lattice oxygen Urea oxid.tion reaction Overall electrolysis Prod.cts selectivity

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Kinematic calibration und.r the expectation maximization framework for exoskeletal inertial motion capture system

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Journal of Systems Engineering and.Electronics 2024年第3期35卷 769-779页

作者： QIN Weiwei GUO Wenxin hu Chen LIU gang SONG Tainian School of Nuclear Engineering Rocket Force University of EngineeringXi’an 710025China

This stud. presents a kinematic calibration method.for exoskeletal inertial motion capture (EI-MoCap) system with consid.ring the rand.m colored.noise such as gyroscopic *** this method. the geometric parameters are calibrated.by the trad.tional calibration method.at first. Then, in ord.r to calibrate the parameters affected.by the rand.m colored.noise, the expectation maximization (EM) algorithm is introd.ced. Through the use of geometric parameters calibrated.by the trad.tional calibration method. the iterations und.r the EM framework are d.creased.and.the efficiency of the proposed.method.on embed.ed.system is improved. The performance of the proposed.kinematic calibration method.is compared.to the trad.tional calibration method. Furthermore, the feasibility of the proposed.method.is verified.on the EI-MoCap system. The simulation and.experiment d.monstrate that the motion capture precision is significantly improved.by 16.79%and.7.16%respectively in comparison to the trad.tional calibration method.

关键词： human motion capture kinematic calibration exoskeleton gyroscopic d.ift expectation maximization(EM)

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Uncovering hid.en nod.s and.hid.en links in complex d.namic networks

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Science China(Physics,Mechanics & Astronomy) 2024年第4期67卷 51-63页

作者： Zhaoyang Zhang Xinyu Wang Haihong Li Yang Chen Zhilin Qu Yuanyuan Mi gang hu d.partment of Physics School of Physical Science and TechnologyNingbo UniversityNingbo 315211China School of Science Beijing University of Posts and TelecommunicationsBeijing 100876China d.partment of Med.cine David Geffen School of MedicineUniversity of CaliforniaLos Angeles 90095USA Brainnetome Center and.National Laboratory of Pattern Recognition Institute of AutomationChinese Academy of SciencesBeijing 100190China d.partment of Psychology Tsinghua UniversityBeijing 100084China d.partment of Physics Beijing Normal UniversityBeijing 100875China

Inferring network structures from available d.ta has attracted.much interest in network science;however,in many realistic networks,only some of the nod.s are perceptible while others are hid.en,making it a challenging *** this work,we d.velop a method.for reconstructing the network with hid.en nod.s and.links,taking account of fast-varying noise and.time-d.lay *** calculating the correlations of available d.ta with d.fferent d.rivative ord.rs for multiple pairs of accessible nod.s,analyzing and.integrating the relationships between d.fferent correlations,and.d.fining d.verse hid.en-nod.-related.reconstruction motifs,we can effectively id.ntify the hid.en nod.s and.hid.en links in the network.

关键词： networks and.genealogical trees stochastic analysis method. time series analysis

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FusionNN:A Semantic Feature Fusion Mod.l Based.on Multimod.l for Web Anomaly d.tection

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Computers, Materials & Continua 2024年第5期79卷 2991-3006页

作者： Li Wang Mingshan Xia Hao hu Jianfang Li Fengyao Hou gang Chen Institute of High Energy Physics Chinese Academy of SciencesBeijing100049China Spallation Neutron Source Science Center(SNSSC) Dongguan523803China School of Nuclear Technology University of Chinese Academy of SciencesBeijing100049Chin

With the rapid.d.velopment of the mobile communication and.the Internet,the previous web anomaly d.tectionand.id.ntificationmod.ls were built relying on security experts’empirical knowled.e and.attack *** approach can achieve higher d.tection performance,it requires huge human labor and.resources to maintainthe feature *** contrast,semantic feature engineering can d.namically d.scover new semantic featuresand.optimize feature selection by automatically analyzing the semantic information contained.in the d.ta itself,thus red.cing d.pend.nce on prior ***,current semantic features still have the problem ofsemantic expression singularity,as they are extracted.from a single semantic mod. such as word.segmentation,character segmentation,or arbitrary semantic feature *** paper extracts features of web requestsfrom d.al semantic granularity,and.proposes a semantic feature fusion method.to solve the above *** first preprocesses web requests,and.extracts word.level and.character-level semantic features of URLs viaconvolutional neural network(CNN),*** constructing three loss functions to red.ce losses betweenfeatures,labels and.*** on the HTTP CSIC 2010,Malicious URLs and.HttpParams d.tasetsverify the *** show that compared.withmachine learning,d.ep learningmethod. and.BERTmod.l,the proposed.method.has better d.tection *** it achieved.the best d.tection rate of 99.16%in the d.taset HttpParams.

关键词： Feature fusion web anomaly d.tection multimod.l convolutional neural network(CNN) semantic feature extraction

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