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International Conference on Computer and Communications (ICCC)

作者： Guangqi Liu Qinghai Ding Xiang Li Moran Ju Tianming Jin Miao He Bingbing Wei Chinese Academy of Sciences State Key Laboratory of RoboticsShenyang Institute of Automation Shenyang China Key Laboratory of Opto-Electronic Information Processing Chinese Academy of Sciences Shenyang China Chinese Academy of Sciences Institutes for Robotics and Intelligent Manufacturing Shenyang China University of Chinese Academy of Sciences Beijing China Chinese Academy of Sciences Shenyang Institute of Automation Shenyang China Space Star Technology Company Ltd. Beijing China Dalian Maritime Uniersity Dalian China

ISBN: (纸本)9781665409513

A novel Unet decoding strategy for segmentation of cervical cell mass is proposed, which is inspired by the sub-pixel convolution. Our proposed method avoids the artificial information added by interpolation method and the noise introduced by transpose convolution method due to padding. After the implementation of the proposed method on our in-house dataset, the quantitative evaluation shows that the sub-pixel convolution has not only higher metric score but also the stable performance, and our proposed method can be used as a promising decoding method for Unet to segment the cellular clump of the cervical cell images.

关键词： Measurement Image segmentation Interpolation Convolution Decoding Biomedical imaging

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Matrix method for perturbed black hole metric with discontinuity

arXiv

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arXiv 2022年

作者： Shen, Shui-Fa Qian, Wei-Liang Lin, Kai Shao, Cheng-Gang Pan, Yu School of intelligent manufacturing Zhejiang Guangsha Vocational and Technical University of Construction Zhejiang Jinhua322100 China School of Electronic Electrical Engineering and Physics Fujian University of Technology Fujian Fuzhou350118 China Escola de Engenharia de Lorena Universidade de São Paulo SP Lorena12602-810 Brazil Faculdade de Engenharia de Guaratinguetá Universidade Estadual Paulista SP Guaratinguetá12516-410 Brazil Center for Gravitation and Cosmology School of Physical Science and Technology Yangzhou University Jiangsu Yangzhou225002 China Hubei Subsurface Multi-scale Imaging Key Laboratory Institute of Geophysics and Geomatics China University of Geosciences Hubei Wuhan430074 China MOE Key Laboratory of Fundamental Physical Quantities Measurement Hubei Key Laboratory of Gravitation and Quantum Physics PGMF School of Physics Huazhong University of Science and Technology Hubei Wuhan430074 China College of Science Chongqing University of Posts and Telecommunications Chongqing400065 China

Recent studies based on the notion of black hole pseudospectrum indicated substantial instability of the fundamental and high-overtone quasinormal modes. Besides its theoretical novelty, the details about the migration of the quasinormal mode spectrum due to specific perturbations may furnish valuable information on the properties of associated gravitational waves in a more realistic context. This work generalizes the matrix method for black hole quasinormal modes to cope with a specific class of perturbations to the metric featured by discontinuity, which is known to be intimately connected with the quasinormal mode structural instability. In practice, the presence of discontinuity poses a difficulty so that many well-known approaches for quasinormal modes cannot be straightforwardly applied. By comparing with other methods, we show that the modified matrix method is efficient, which can be used to solve for the low-lying modes with reasonable precision. Therefore, it might serve as an alternative gadget for relevant studies. Copyright © 2022, The Authors. All rights reserved.

关键词： Black holes

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Erratum to “Event-triggering-based H∞ load frequency control for multi-area cyber–physical power system under DoS attacks” [Franklin Open Volume 3, June 2023, 100012]

Franklin Open

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Franklin Open 2024年 9卷

作者： Xingyue Liu Kaibo Shi Kun Zhou Shiping Wen Yiqian Tang Lin Tang School of Electronic Information and Electrical Engineering Chengdu University Chengdu 610106 PR China Key Laboratory of Intelligent Manufacturing Quality Big Data Tracing and Analysis of Zhejiang Province China Jiliang University Hangzhou 310018 PR China Engineering Research Center of Power Quality of Ministry of Education Anhui University Hefei 230601 PR China Institute of Electronic and Information Engineering of University of Electronic Science and Technology of China in Guangdong 523808 PR China Australian AI Institute Faculty of Engineering and Information Technology University of Technology Sydney Sydney NSW 2007 Australia

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Structural Design and Simulation Studies of ADRC for High-order Nonlinear Systems

Structural Design and Simulation Studies of ADRC for High-or...

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第三十八届中国控制会议

作者： Yachao Liu Jian Gao Lanyu Zhang Xiaoliang Wang State Key Laboratory of Precision Electronic Manufacturing Technology & Equipment Guangdong University of Technology Key Laboratory of Intelligent Inspection and Manufacturing IoT of Ministry of Education Guangdong University of Technology

In the controller design of high-order nonlinear systems, it is beneficial to possess high-order differential information of input and output signals. In this paper, an N-order differentiator(NOD) method is proposed and designed to obtain the differential information of each order of the reference signal, which is based on the idea of a control loop and only needs to adjust one parameter. Then two high-order active disturbance rejection control(ADRC) structures are designed for the control of high-order nonlinear systems. One is ADRC with high-order observer(NOD-HOADRC) that directly designs the high-order extended state observer(HOESO), and the other is ADRC with cascade observes(NOD-SOADRC) that designs several extended state observers in series(SOESO). Numerical simulations verify the effectiveness of the two control structures. The simulation results show that the NOD-HOADRC can achieve no static difference control, and the dynamic performance is obviously stronger than the PID controller. The NOD-SOADRC has extremely strong tracking performance and anti-interference ability by widening the observer bandwidth.

关键词： ADRC ESO N-order differentiator High-order system

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Techno-economic assessment and optimized performance of a multi-generation setup composed of a wind turbine and a compressed air energy storage system

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Energy 2025年 328卷

作者： Liu, Shulong Huang, Xuechen Feng, Dulong Zhang, Jinfeng Gao, Chao Wan, Qian Anhui Province Industrial Generic Technology Research Center for Alumics Materials Huaibei Normal University Huaibei235000 China Anhui Province Key Laboratory of Intelligent Computing and Applications Huaibei Normal University Huaibei235000 China School of Physics and Electronic Information Huaibei Normal University Huaibei235000 China School of Material and Chemical Engineering Chuzhou University Chuzhou239000 China Anhui Guangbo Mechanical Electronic Manufacturing Co. Ltd. Huaibei235000 China

Integrating a wind turbine with a compressed air energy storage (CAES) system offers a viable solution for reducing the impact of fluctuations in wind availability and enhancing the reliability and efficiency of renewable energy generation. This combination enables better integration of wind power into the energy grid and supports the transition towards a more sustainable energy future. The system proposed in the study is designed for multi-generation purposes, making it a novel combination of a wind turbine and a CAES system. The CAES system is integrated with two modified Kalina cycles (MKCs), a hot water production unit (HWPU), an air turbine, and an absorption chiller (ACH) for the utmost waste heat recovery of the CAES system. The heat wasted by the generator of the wind turbine is also recuperated through a trilateral cycle (TLC). Hydrogen and freshwater are produced by the configuration using an alkaline electrolyzer and a reverse osmosis desalination system (RODS). The techno-economic optimization conducted in the study indicated an exergy round-trip efficiency (ERTE) of 42.44 % for the proposed setup, which is 14.7 % higher than that of a similar multi-generation layout proposed previously. The power consumption of the CAES system amounts to 1167 kW, whereas the proposed setup generates energy at a rate equivalent to 2057 kW. The system could reduce CO2 emissions by 7058 Tonyear−1 and 4965 Tonyear−1 in the cases of implementation in China and the USA, correspondingly. Moreover, the share of the wind turbine in the total exergy destruction and investment cost rate is 85 % and 76 %, respectively. © 2025 Elsevier Ltd

关键词： Waste heat utilization

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Visible and near-infrared emission of lead-free Cs3Cu2I5:Bi perovskite by valence state regulation for optical anti-counterfeiting coatings

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Materials Characterization 2025年 225卷

作者： Yang, Qi-Hua Wei, Han-Qi Zhao, Shu-Juan Li, Gui-Hua Liu, Xuan Fu, Le Luo, Zhi-Wei Si, Jia-Yong Cai, Ge-Mei School of Materials Science and Engineering Central South University Hunan Changsha410083 China Science Center for Phase Diagram & Materials Design and Manufacture Central South University Hunan Changsha410083 China School of Materials Science and Engineering & Guangxi Key Laboratory of Information Materials Guilin University of Electronic Technology Guilin541004 China College of Mechanical and Intelligent Manufacturing Central South University of Forestry and Technology Hunan Changsha410004 China

In recent years, the proliferation of counterfeit products has led to increased concerns about anti-counterfeiting technology, with traditional single-mode fluorescence methods proving insufficient due to their susceptibility to replication. The new copper-based halide materials have shown great potential in the field of multi-mode anti-counterfeiting due to their unique structure, excellent luminescence performance, and high defect tolerance. In this work, near-infrared emission of Cs3Cu2I5 was achieved for the first time through Bi doping. By exploiting the dual emission center characteristics of the resulting Cs3Cu2I5:Bi, we demonstrated its excitation wavelength-dependent emission. It was then mixed with cyclohexane to prepare an advanced fluorescent anti-counterfeiting coating for screen printing, enabling high-precision pattern printing onto various substrates. The resulting anti-counterfeiting patterns exhibit excellent weather resistance, remaining virtually unchanged after 60 days at room temperature. This study lays the foundation for expanding the emission range of Cs3Cu2I5 and adjusting multi band emission, and confirms its potential application in the field of multi-mode anti-counterfeiting. © 2025

关键词： Fluorescence

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Robust Tracking Control for Quadrotor UAV using Sliding Mode Control Algorithm 8

Robust Tracking Control for Quadrotor UAV using Sliding Mode...

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8th International Conference on Networks, Communication and Computing, ICNCC 2019

作者： Du, Chaohui Li, Mengyang Fu, Zhumu Tao, Fazhan School of Information Engineering Henan University of Science and Technology Luoyang471023 China College of Physical and Electronic Information Luoyang Normal University Luoyang471934 China Henan University of Science and Technology Henan Key Laboratory of Robot and Intelligent Systems Luoyang471023 China

ISBN: (纸本)9781450377027

In this paper, robust tracking control for quadrotor UAV based on sliding mode control algorithms is discussed for attitude and position tracking. In detail, firstly, UAV model is built and simplified for developing the sliding mode control algorithms. Secondly, a trajectory tracking method of UAV based on sliding mode control is given based on the model. Then, the stability of the control system is proved by constructing Lyapunov function. Finally, through the Simulink simulation, compared with the traditional PD control method, it is verified that the sliding mode control has faster response speed and better anti-disturbance performance. © 2019 ACM.

关键词： Lyapunov functions

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Validation of Missile Simulation Model Based on Bayesian Theory with Extreme Small Sample

Validation of Missile Simulation Model Based on Bayesian The...

引用

Electron Device and Mechanical Engineering (ICEDME), International Conference on

作者： Zhiwei Dai Hongkui Wei Xu Li Meibo Lv College of Astronautics Northwestern Polytechnical University Xi'an China Beijing Institute of Electronic System Engineering line 2: name of organization acronyms acceptable Beijing China State Key Laboratory of Intelligent Manufacturing System Technology Beijing China

ISBN: (数字)9781728181455

ISBN: (纸本)9781728181462

The cost of weapons and equipment, such as high-precision guided missiles, is high to manufacture, and the cost of live-fire launch test is also high. So the number of test data samples is very small, which cannot meet the sample capacity requirements of classic statistical methods. Therefore, this paper proposes a Bayes parameter estimation method based on Grey prediction Model and Bootstrap method (GM-Bootstrap), and it is applied to the simulation model validation under extreme small sample test. First, the Grey prediction Model (GM) is used to expand the extreme small sample, then the Bayes Bootstrap method is used to obtain the parameter distribution, and then the Bayes parameter estimation method is used to obtain the estimation of the unknown parameter. Finally, the simulation model validation under the extreme small sample test was completed through hypothesis testing. The credibility of the method is verified through an example, and a new method is provided for the costly validation of weapon equipment models.

关键词： extreme small sample gray model bayes parameter estimation bootstrap method parameter distribution bootstrapping distributed parameter Bayes methods Simulation models Bayes Small Grey prediction weapons missiles

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Surface Charging Phenomena on HVDC Spacers for Compressed SF_(6) Insulation and Charge Tailoring Strategies

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CSEE Journal of Power and Energy Systems 2020年第1期6卷 83-99页

作者： Chuanyang Li Yuan Xu Chuanjie Lin Geng Chen Youping Tu Yao Zhou Zhipeng Lei Tao Han Simone Vincenzo Suraci Jian Wang Weidong Liu M.Tariq Nazir Shun He Andrea Cavallini Giovanni Mazzanti Davide Fabiani Jinliang He Electrical Insulation Research Center Institute of Materials ScienceElectrical and Computer EngineeringUniversity of ConnecticutStorrsCT 06269USA. China Electric Power Research Institute Beijing 100192China Department of Electrical Electronicand Information Engineering“Guglielmo Marconi”University of BolognaViale Risorgimento 2Bologna40136Italy State Key Laboratory of Power Systems Department of Electrical EngineeringTsinghua UniversityBeijing 100084China Beijing Area Major Laboratory of High Voltage and Electromagnetic Compatibility North China Electric Power UniversityBeijing 102206China Shanxi Key Laboratory of Mining Electrical Equipment and Intelligent Control National and Provincial Joint EngineeringTaiyuan University of TechnologyTaiyuan 030024China Key Laboratory of Smart Grid of Education Ministry School of Electrical and Information EngineeringTianjin UniversityTianjin 300072China School of Mechanical and Manufacturing Engineering University of New South Wales SydneyNSW 2052Australia Electric Power Research Institute Yunnan Electric Power Grid Co.ltd.KunmingYunnan 650217China

Surface flashover of spacers is a key factor limiting the application of HVDC GIS/GIL,while the charge accumula-tion on the surface of the spacer could have a potential adverse effect on the surface flashover *** paper discusses the laws regarding distribution patterns of surface charges and the related *** field-dependent property is discussed in detail to comprehensively illustrate the charge transport mecha-nism and explain the research differences regarding different surface charge patterns obtained by previous *** addition,the main surface charge control methods for epoxy resin are summarized and *** potential research directions of charge control methods and key points in manufacturing of spacers used in HVDC GIS/GIL are also explored.

关键词： GIL HVDC insulator SF6 surface charge accumulation surface flashover

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Corrigendum to "Surface display and characterization of recombinant α-l-Rhamnosidase from Emiliania huxleyi on Pichia pastoris" [Bioorg. Chem. 155 (2025) 108121]

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Bioorganic chemistry 2025年 156卷 108167页

作者： Xi Xie Ziwei Guo Bihan Chen Li Lin Huifan Liu Gengsheng Xiao Qin Wang Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology Zhongkai University of Agriculture and Engineering Guangzhou 510225 China Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food Ministry of Agriculture Zhongkai University of Agriculture and Engineering Guangzhou 510225 China Guangdong Provincial Department of Education of Medicinal and Edible Food Intensive Processing Engineering Technology Research Center Guangzhou 510225 China. Electronic address: xixie31@***. Department of Wine Food and Molecular Biosciences Faculty of Agriculture and Life Sciences Lincoln University Christchurch 7647 New Zealand. Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food Ministry of Agriculture Zhongkai University of Agriculture and Engineering Guangzhou 510225 China. Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding College of Animal Science Technology Zhongkai University of Agriculture and Engineering Guangzhou 510225 China. Guangdong Provincial Department of Education of Medicinal and Edible Food Intensive Processing Engineering Technology Research Center Guangzhou 510225 China.

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