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2022 International Symposium on Biomimetic Intelligence and Robotics, ISBIR 2022

作者： Wang, Kexin Chen, Teng Chen, Xin Zhang, Guoteng Li, Yibin Rong, Xuewen Center for Robotics School of Control Science and Engineering Shandong University China

Due to the high flexibility of quadruped robots compared with some traditional robots, it has become an important branch in the field of mobile robot research. Target detection and tracking technology is important for the environment perception and autonomous motion tasks of quadruped robots. To achieve effective tracking of a specific target, the premise is that the target is accurately detected. In this article, a target detection algorithm based on deep learning for quadruped robot person tracking is proposed. After the targets are detected, a simple but accurate selection strategy is used to extract the certain target to be tracked from other targets. The visual distance and angle information from the target is used to realize the autonomous tracking. In the part of experiment, we conducted experiments based on the changeable outdoor environment, which included interference factors such as light changes, people crossing, obstruction by obstacles. During the experiments, the SDUQuad-48 quadruped robot can simultaneously realize the stable tracking of a specific moving target based on our algorithm with a speed of 0.8 m/s. © 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://***/licenses/by-nc-nd/4.0) Peer-review under responsibility of the scientific committee of the Proceedings of International Symposium on Biomimetic Intelligence and Robotics.

关键词： Target tracking

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On One Game with the Right of the First Move with Inaccurate Information about the Partner's Goal 15

On One Game with the Right of the First Move with Inaccurate...

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15th International Conference Management of Large-Scale System Development, MLSD 2022

作者： Gorelov, Mikhail Federal Research Center 'Computing Science and Control' of Ras Moscow Russia

ISBN: (数字)9781665497015

ISBN: (纸本)9781665497015

The report considers a model of a two-level hierar-chical system with a complex structure of transmitted information. Models of this kind can describe, for example, the process of allocating resources for a production program. The maximal guaranteed result of the top-level player who has the right of the first move is found. The structure of one of his optimal strategies is described. © 2022 IEEE.

关键词： Hierarchical systems

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research on head way control of a guided transport system based on intersection condition evaluation

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Transportation Safety and Environment 2023年第4期5卷 29-35页

作者： Xiao Yu Yuan Cao Yongkui Sun Signal and Communication Research Institute China Academy of Railway Sciences Corporation LimitedBeijing 100081China State Key Laboratory of Rail Traffic Control and Safety Beijing Jiaotong UniversityBeijing 100044China National Engineering Research Center of Rail Transportation Operation and Control System Beijing Jiaotong UniversityBeijing 100044China

ln order to ensure the safety and efficiency of the section tracking operation of a guided transport system,a safety headway control method of section tracking based on intersection conditions is proposed in this *** the difference of signal phase,the evaluation model of road conditions was established based on a fuzzy comprehensive evaluation method,*** on the artificial potential field method,the time-varying hybrid artificial potential field(TH-APF)method was proposed,and the tracking headway control algorithm was designed to realize the dynamic control of the tracking headway of the guide transport *** simulation results verified the effectiveness and applicability of the evaluation model of intersection road conditions;the tracking headway can be maintained at about 120 *** tracking headway control algorithm of guided transport vehicles can respond to the road conditions and avoid the local optimum of the artificial potential field method,thus improving the operating efficiency.

关键词： guided transport system intersection condition evaluation artificial potential field method tracking headway control

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Non-layer-transformed Mn_(3)O_(4) cathode unlocks optimal aqueous magnesium-ion storage via synergizing amorphous ion channels and grain refinement

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Journal of Energy Chemistry 2022年第5期31卷 42-48页

作者： Zhongyu Pan Tingting Qin Wei Zhang Xianyu Chu Taowen Dong Nailin Yue Zizhun Wang Weitao Zheng State Key Laboratory of Automotive Simulation and Control School of Materials Science&EngineeringKey Laboratory of Mobile Materials MOEElectron Microscopy Centerand International Center of Future ScienceJilin UniversityChangchun 130012JilinChina

Aqueous rechargeable magnesium ion batteries(ARMBs) have obtained more attention due to the twoelectrons transfer nature, low cost and safety. However, the scarcity of cathode materials seriously hinders the development of ARMBs because of the unfavorable strong interaction between Mg^(2+) and cathode material. Herein, we choose a pre-treated spinel Mn_(3)O_(4) cathode for aqueous Mg^(2+) storage. The pretreatment in Na_(2)SO_(4) solution induces the grain refinement decorated with tortuous amorphous ion diffusion channels, facilitating the production of electrochemical reaction active sites and the diffusion of Mg^(2+), respectively, which achieve a(sub-)surface pseudocapacitance reaction between Mn(Ⅱ) and Mn(Ⅲ). As a result, the pre-treated Mn_(3)O_(4) cathode exhibits a package of optimal performances, i.e., a capacity of 98.9 m Ah g^(-1) and a high capacity retention rate of 99.4% after 2000 cycles. To the best of our knowledge, our work not only provides a new reaction mechanism of spinelMn_(3)O_(4) in aqueous batteries system,but also affords a high cycle stability electrode material for rechargeable Mg^(2+) energy storage.

关键词： Spinel Mn3O4 Grain refinement Amorphous ARMBs

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Modified multi-scale symbolic dynamic entropy and fuzzy broad learning-based fast fault diagnosis of railway point machines

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Transportation Safety and Environment 2023年第4期5卷 1-7页

作者： Junqi Liu Tao Wen Guo Xie Yuan Cao Shaanxi Key Laboratory of Complex System Control and Intelligent Information Processing Xi’an University of TechnologyXi’an 710048ShaanxiChina School of Electronic and Information Engineering Beijing Jiaotong UniversityBeijing 100044China National Engineering Research Center of Rail Transportation Operation Control System Beijing Jiaotong UniversityBeijing 100044China

Railway point machine(RPM)condition monitoring has attracted engineers’attention for safe train operation and accident *** realize the fast and accurate fault diagnosis of RPMs,this paper proposes a method based on entropy measurement and broad learning system(BLS).Firstly,the modified multi-scale symbolic dynamic entropy(MMSDE)module extracts dynamic characteristics from the collected acoustic signals as entropy ***,the fuzzy BLS takes the above entropy features as input to complete model *** BLS introduces the Takagi-Sug eno fuzzy system into BLS,which improves the model’s classification performance while considering computational *** results indicate that the proposed method significantly reduces the running time while maintaining high accuracy.

关键词： railway point machine(RPM) fault diagnosis modified multi-scale symbolic dynamic entropy(MMSDE) fuzzy board learning system(BLS)

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Compositional engineering of HKUST-1/sulfidized NiMn-LDH on functionalized MWCNTs as remarkable bifunctional electrocatalysts for water splitting

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Carbon Energy 2023年第12期5卷 1-20页

作者： Mengshan Chen Reza Abazari Soheila Sanati Jing Chen Mingyuzhi Sun Cunhong Bai Alexander M.Kirillov Yingtang Zhou Guangzhi Hu Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control National Engineering Research Center for Marine AquacultureMarine Science and Technology CollegeZhejiang Ocean UniversityZhoushanChina Department of Chemistry Faculty of ScienceUniversity of MaraghehMaraghehIran State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering College of Chemistry and Chemical EngineeringNingxia UniversityYinchuanChina Departamento de Engenharia Química Centro de Química EstruturalInstitue of Molecular SciencesInstituto Superior TécnicoUniversidade de LisboaLisbonPortugal School of Ecology and Environmental Science Institute for Ecological Research and Pollution Control of Plateau LakesYunnan UniversityKunmingChina

Water-splitting reactions such as the hydrogen evolution reaction(HER)and the oxygen evolution reaction(OER)typically require expensive noble metal-based *** has motivated researchers to develop novel,cost-effective electrocatalytic *** this study,a new multicomponent nanocomposite was assembled by combining functionalized multiwalled carbon nanotubes,a Cu-based metal–organic framework(MOF)(HKUST-1 or HK),and a sulfidized NiMn-layered double hydroxide(NiMn-S).The resulting nanocomposite,abbreviated as MW/HK/NiMn-S,features a unique architecture,high porosity,numerous electroactive Cu/Ni/Mn sites,fast charge transfer,excellent structural stability,and *** a current density of 10 mA cm-2,this dual-function electrocatalyst shows remarkable performance,with ultralow overpotential values of 163 mV(OER)or 73 mV(HER),as well as low Tafel slopes(57 and 75 mV dec-1,respectively).Additionally,its high turnover frequency values(4.43 s-1 for OER;3.96 s-1 for HER)are significantly superior to those of standard noble metal-based Pt/C and IrO2 *** synergistic effect of the nanocomposite's different components is responsible for its enhanced electrocatalytic performance.A density functional theory study revealed that the multi-interface and multicomponent heterostructure contribute to increased electrical conductivity and decreased energy barrier,resulting in superior electrocatalytic HER/OER *** study presents a novel vision for designing advanced electrocatalysts with superior performance in water *** composites have been utilized in water-splitting *** study investigates the use of the MW/HK/NiMn-S electrocatalyst for water splitting for the first time to indicate the synergistic effect between carbon-based materials along with layered double hydroxide compounds and porous compounds of *** unique features of each component in this composite can be an interesting topic in the field of water spl

关键词： bifunctional electrocatalyst electroactive sites multicomponent synergic effect water splitting

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Mitigation of polycyclic aromatic hydrocarbons(PAHs)in roasted beef patties by cold plasma treatment and products quality evaluation

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Food science and Human Wellness 2024年第5期13卷 2993-3005页

作者： Yuke Hou Yangjian Hu Min Li Jiahui Nong Fengyuan Xie Yuhan Fan Jianhao Zhang Xianming Zeng Minyi Han Xinglian Xu Xia Wang Key Laboratory of Animal Products Processing Ministry of AgricultureKey Laboratory of Meat Processing and Quality ControlMinistry of EducationJiangsu Synergetic Innovation Center of Meat Production and ProcessingCollege of Food Science and TechnologyNanjing Agricultural UniversityNanjing 2100095China Center for Food and Drug Safety Inspection of Maanshan Maanshan Administration for Market RegulationMaanshan 243000China Henan Key Laboratory of Cold Chain Food Quality and Safety Control Zhengzhou University of Light IndustryZhengzhou 450001China Collaborative Innovation Center for Modern Grain Circulation and Safety Key Laboratory of Grains and Oils Quality Control and ProcessingCollege of Food Science and EngineeringNanjing University of Finance and EconomicsNanjing 210023China

The cold plasma(CP)technique was applied to alleviate the contamination of polycyclic aromatic hydrocarbon(PAH)in this *** different CP treatments methods were implemented in the production of beef patties,to investigate their inhibition and degradation capacity on *** 5 different cooking oils and fats addition,the inhibition mechanism of in-package cold plasma(ICP)pretreatment was explored from the aspect of raw patties fatty acids composition *** results of principal component analysis showed that the first two principal components accounted for more than 80%of the total variation in the original data,indicating that the content of saturated fatty acids was significantly positively correlated with the formation of *** pretreatment inhibited the formation of PAHs by changing the composition of fatty acids,which showed that the total amount of polyunsaturated fatty acids decreased and the total amount of monounsaturated fatty acids *** discrimination tests demonstrated there were discernable differences between 2 CP treated samples and the controls,utilization of the ICP pretreatment in meat products processing was expected to achieve satisfying eating *** conclusion,CP treatment degraded PAHs through stepwise ring-opening oxidation in 2 reported pathways,the toxicity of PAHs contaminated products was alleviated after CP treatment.

关键词： Roasted beef Polycyclic aromatic hydrocarbons Cold plasma Mitigation mechanism Product quality evaluation

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Life-cycle assessment of two sewage sludge-to-energy systems based on different sewage sludge characteristics:Energy balance and greenhouse gas-emission footprint analysis

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Journal of Environmental sciences 2022年第1期34卷 380-391页

作者： Renjie Chen Shijie Yuan Sisi Chen Hanlin Ci Xiaohu Dai Xiankai Wang Chong Li Dianchang Wang Bin Dong School of Environmental Science and Engineering.Tongji University Shanghai 200092China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092China YANGTZE Eco-Environment Engineering Research Center China Three Gorges CorporationBeijing 100038China

Anaerobic digestion and incineration are widely used sewage sludge(SS)treatment and disposal approaches to recovering energy from SS,but it is difficult to select a suitable technical process from the various *** this study,life-cycle assessments were adopted to compare the energy-and greenhouse gas-(GHG)emission footprints of two sludge-to-energy *** system uses a combination of AD with incineration(the AI system),whereas the other was simplified by direct incineration(the DI system).Comparison between three SS feedstocks(VS/TS:57.61-73.1 ds.%)revealed that the AI system consistently outperformed the DI *** results of sensitivity analyses showed that the energy and GHG emission performances were mainly affected by VS content of the SS,AD conversion efficiency,and the energy consumption of sludge ***,the energy and GHG emission credit of the two systems increased remarkably with the increase in the VS content of the *** the high-organic-content sludge(VS/TS:55%–80%),the energy and GHG emission credit of the AI system increase with the increase of AD conversion ***,for the low organic content sludge(VS/TS:30%–55%),it has the opposite *** terms of energy efficiency and GHG performance,the AI system is a good choice for the treatment of high-organic-content sludge(VS/TS>55%),but DI shows superiority over AI when dealing with low organic content sludge(VS/TS<55%).

关键词： Life cycle assessment Incineration Anaerobic digestion Energy recovery Environmental sustainability

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MOFs fertilized transition-metallic single-atom electrocatalysts for highly-efficient oxygen reduction: Spreading the synthesis strategies and advanced identification

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Journal of Energy Chemistry 2022年第4期31卷 391-422页

作者： Kexin Song Yu Feng Wei Zhang Weitao Zheng State Key Laboratory of Automotive Simulation and Control School of Materials Science&EngineeringKey Laboratory of Automobile Materials MOEElectron Microscopy Centerand International Center of Future ScienceJilin UniversityChangchun 130012JilinChina

Metal-organic frameworks(MOFs) have been widely used in oxygen reduction reaction(ORR) of fuel cells and metal-air batteries, attributed to their unique structures and compositions. Recently, the preparation of transition-metallic single-atom electrocatalysts(TM-SACs) using MOFs as precursors or templates has made great progress. Herein, the development history of SACs prepared based on MOFs and their characterization are overviewed firstly, and then several strategies are summarized for preparing TM-SACs using MOFs and further modification. Finally, the challenges and opportunities confronted by TM-SACs are fully discussed. Consequently, our work can guide the realization of TM-SACs abundant with high activity, high loading and high stability.

关键词： Transition-metallic single-atom electrocatalysts(TM-SACs) Oxygen reduction reaction(ORR) Metal-organic frameworks(MOFs) Electron microscopy Spectroscopy

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Flexible Multilayer Film with Selective Infrared Emission for Passive Daytime Radiative Cooling

Flexible Multilayer Film with Selective Infrared Emission fo...

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2024 Photonics and Electromagnetics research Symposium, PIERS 2024

作者： Wang, Maoren Ma, Sulin Xie, Qindong Zhou, Peiheng University of Electronic Science and Technology of China National Engineering Research Center of Electromagnetic Radiation Control Materials Key Laboratory of Multi-Spectral Absorbing Materials and Structures of Ministry of Education Chengdu611731 China

ISBN: (纸本)9798350375909

The recent progress on radiative cooling reveals its potential for applications in highly efficient passive cooling. Passive daytime radiative cooling (PDRC) involves spontaneously cooling from a surface by reflecting sunlight and radiating heat to the cold outer space. This approach utilizes the maximized emission of infrared thermal radiation through the atmospheric window (8-14μm) for releasing heat and minimized absorption of incoming atmospheric radiation (5-8μm). In this work, a passive daytime radiative cooling material with (SiO2/Si3N4/) n-Al/PET structure was fabricated on flexible polyethylene terephthalate (PET) substrate, which has a high averaged emissivity of 0.9 at 8-20μm and low averaged emissivity of 0.14 at 0.3-8μm. This wavelength-selective feature allows for a subambient temperature drops of 4°. Through film cutting and braiding, we observed better cooling performance, i.e., temperature drop increased by 4-5° over the ordinary flexible film. Our data analysis suggests that this excellent cooling enhancement in the braided system are caused by the braided pores. Furthermore, the braided samples can better conformal on the surface of wearable flexible electronic device to achieve the purpose of radiative cooling. In summary, this work demonstrates that flexible (SiO2/Si3N4/) n-Al/PET multilayer material fabricated by thin film deposition process holds promising wavelength-selective infrared emission. This kind of material further manifests high efficiency radiative cooling effect through braiding. Our development thus not only shows new research for radiative cooling materials, but also provides guidance for the passive radiative cooling devices and the development of wearable flexible electronic devices with commercial and sustainable materials. © 2024 IEEE.

关键词： Infrared heating

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