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TIME-VARYING: 作品数：439被引量：781H指数：12; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关作者：刘永清侯朝桢刘向东晏富贵周好文更多>>; 相关机构：东南大学华南理工大学南京航空航天大学湖南大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国航空科学基金国家教育部博士点基金更多>>

Finite time hybrid synchronization of heterogeneous duplex complex networks via time-varying intermittent control: 《Chinese Physics B》2025年第4期354-363,共10页Cheng-Jun Xie Xiang-Qing Lu; Project supported by Jilin Provincial Science and Technology Development Plan(Grant No.20220101137JC).; This paper study the finite time internal synchronization and the external synchronization(hybrid synchronization)for duplex heterogeneous complex networks by time-varying intermittent control.There few study hybrid s...; 关键词：finite time synchronization time-varying intermittent control duplex heterogeneous networks complex networks

DCM-based dynamic stable walking under terrain-induced time-varying disturbances for humanoid robots: 《Science China(Technological Sciences)》2025年第4期105-117,共13页Yan LUO Chao LIU Jianhua WU Zhenhua XIONG Han DING; supported by Jiangsu Provincial Science and Technology Department Program Special Funds(Basic Research on Frontier Leading Technologies)Project(Grant No.BK20232031)。; When humanoid robots attempt to walk on terrain such as shaking platforms,time-varying disturbances are introduced to the support foot.These abrupt changes of inclination angle can cause the robot to lose balance upon...; 关键词：humanoid robot dynamic balance control capturability time-varying disturbance

Multi-field,time-varying behavior,and cracking mechanisms of early-age concrete in balastless track beds: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2025年第3期212-225,共14页Xiao LI Juanjuan REN Shijie DENG Zeyong ZHANG Xueyi LIU; supported by the National Key R&D Program of China(No.2021YFF0502100);the National Natural Science Foundation of China(Nos.52278461 and 52308467).; Cracking of early-age concrete can occur in the track beds of high-speed railways due to changes in material properties,environmental effects,and construction processes.This is a multi-field,time-varying issue involvi...; 关键词：Ballastless track Early-age concrete Hydro-thermo-chemo-mechanical coupling Early cracking of track bed

Time-varying damage distribution of composite structures for a certain type of aircraft: 《Chinese Journal of Aeronautics》2025年第3期386-402,共17页Jinxin DENG Ziqian AN Peijie YUE Xiaoquan CHENG; The damage distribution of the same type of aircraft in similar service environments should be similar. Based on this assumption, to perform the maintenance and repair of aircraft composite structures, the damage of c...; 关键词：AIRCRAFT Composite structures Structural damage Damage dis tribution Geonetric parameters

Loaded tooth contact analysis and meshing stiffness calculation for cracked spiral bevel gears: 《Chinese Journal of Aeronautics》2025年第3期593-623,共31页Zhen LIU Fucai LI Wenjie BAO Xiaolei XU Freeda A.AMIR; Tooth cracks may occur in spiral bevel gear transmission system of the aerospace equipment.In this study,an accurate and efficient loaded tooth contact analysis(LTCA)model is developed to predict the contact behavior ...; 关键词：Bevel gears Gear teeth Cracks Loaded tooth contact analysis Time-varying meshing stiffness Tooth compliance

Detection and interpretation of the time-varying seasonal signals in China with multi-geodetic measurements: 《Geodesy and Geodynamics》2025年第1期42-54,共13页Liansheng Deng Yugang Xiao Qusen Chen Wei Peng Zhao Li Hua Chen Zhiwen Wu; supported by the National Natural Science Foundation of China(NO.42104028,42174030 and 42004017);the Open Fund of Hubei Luojia Laboratory(No.220100048 and 230100021);the Scientific Research Project of Hubei Provincial Department of Education,and Research Foundation of the Department of Natural Resources of Hunan Province(No.20230104CH)。; The time-varying periodic variations in Global Navigation Satellite System(GNSS)stations affect the reliable time series analysis and appropriate geophysical interpretation.In this study,we apply the singular spectrum...; 关键词：GNSS coordinate time series Singularspectrumanalysis Time-varying seasonal signals Loading effects GRACE

A data-driven rolling optimization method for trajectory tracking error prediction of CNC machine tools: 《Science China(Technological Sciences)》2025年第1期270-285,共16页Yinxin GUAN Jixiang YANG Shizhong TAN Han DING; supported by the National Natural Science Foundation of China(Grant Nos.52188102,52122512,52375496)。; The dynamic performance of the feed-drive system in CNC machine tools directly influences the accuracy of machined parts.To enhance the motion control performance of CNC machine tools,a high-precision model of the fee...; 关键词：rolling optimization feed-drive system DATA-DRIVEN TIME-VARYING machine tool

Interlinkages across US sectoral returns:time-varying interconnectedness and hedging effectiveness: 《Financial Innovation》2024年第1期2850-2876,共27页Onur Polat; This study examines the time-varying asymmetric interlinkages between nine US sectoral returns from January 2020 to January 2023.To this end,we used the time-varying parameter vector autoregression(TVP-VAR)asymmetric ...; 关键词：Asymmetric connectedness SP500 Sectoral connectedness Optimal portfolio strategies

Robust Output Practical Stability of Time-Varying Nonlinear Control Systems via Indefinite Lyapunov Functions: 《Journal of Systems Science & Complexity》2024年第6期2595-2613,共19页DAMAK Hanen ABOTHHER Amal HAMMAMI Mohamed Ali; This paper focuses on studying the problem of robust output practical stability of timevarying nonlinear control systems. The main innovation lies in the fact that the proposed approach for stability analysis allows f...; 关键词：Control theory global robust practical asymptotic output stability(GRPAOS) Lyapunov method time-varying control systems

The Time-Varying Impact of COVID-19 on the Acute Kidney Disorders:A Historical Matched Cohort Study and Mendelian Randomization Analysis: 《Health Data Science》2024年第1期215-225,共11页Chunyang Li Chao Zhang Jie Chen Yilong Chen Zhiye Ying Yao Hu Huan Song Ping Fu Xiaoxi Zeng; funded by the 1.3.5 Project for Dis ciplines of Excellence,West China Hospital,Sichuan University(ZYJC18010);Science and Technology Department of Sichuan Province(2020YFS0576,2021YFQ0035,and 2023NS-FSC1598).; Background:This study aimed to explore the time-varying impact of COVID-19 on acute kidney disorders,including acute kidney injury and other acute kidney diseases.Methods:From the UK Biobank,10,121 participants with C...; 关键词：KIDNEY matched utilizing

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