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TRAIN: 作品数：660被引量：962H指数：15; 导出分析报告; 相关领域：文化科学更多>>; 相关作者：樊一娜陈凌汤毅李纲陈颙更多>>; 相关机构：清华大学西南交通大学杭州电子科技大学北京交通大学更多>>; 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国家高技术研究发展计划中国博士后科学基金更多>>

Train Hard to Work in Space: 《初中生天地》2025年第12期46-48,共3页李不延; 在广袤无垠的宇宙之中,有这样一群无畏的开拓者,他们满怀着憧憬与希望,毅然投身于充满未知与挑战的星辰征途,他们便是令人敬仰的航天员。亲爱的同学们,你们知道航天员在太空中会面临哪些问题吗?你们知道他们平时是如何训练的吗?让我们...; 关键词：太空训练无畏开拓者挑战未知星辰征途航天员

A Surrogate-assisted Multi-objective Grey Wolf Optimizer for Empty-heavy Train Allocation Considering Coordinated Line Utilization Balance: 《Journal of Bionic Engineering》2025年第1期383-397,共15页Zhigang Du Shaoquan Ni Jeng-Shyang Pan Shuchuan Chu; supported by the National Natural Science Foundation of China(Project No.52172321;52102391);Sichuan Province Science and Technology Innovation Talent Project(2024JDRC0020);China Shenhua Energy Company Limited Technology Project(GJNY-22-7/2300-K1220053);Key science and technology projects in the transportation industry of the Ministry of Transport(2022-ZD7-132).; This paper introduces the Surrogate-assisted Multi-objective Grey Wolf Optimizer(SMOGWO)as a novel methodology for addressing the complex problem of empty-heavy train allocation,with a focus on line utilization balanc...; 关键词：Surrogate-assisted model Grey wolf optimizer Multi-objective optimization Empty-heavy train allocation

A Machine Learning-Based Observational Constraint Correction Method for Seasonal Precipitation Prediction: 《Advances in Atmospheric Sciences》2025年第1期36-52,共17页Bofei ZHANG Haipeng YU Zeyong HU Ping YUE Zunye TANG Hongyu LUO Guantian WANG Shanling CHENG; jointly supported by the National Natural Science Foundation of China(Grant Nos.42122034,42075043,42330609);the Second Tibetan Plateau Scientific Expedition and Research program(2019QZKK0103);Key Talent Project in Gansu and Central Guidance Fund for Local Science and Technology Development Projects in Gansu(No.24ZYQA031);the Youth Innovation Promotion Association of Chinese Academy of Sciences(2021427);West Light Foundation of the Chinese Academy of Sciences(xbzg-zdsys-202215)。; Seasonal precipitation has always been a key focus of climate prediction.As a dynamic-statistical combined method,the existing observational constraint correction establishes a regression relationship between the nume...; 关键词：observational constraint LightGBM seasonal prediction summer precipitation machine learning

Performance Analysis of Curved Track G2T-FSO(Ground-to-Train Free Space Optical)Model under Various Weather Conditions: 《Computer Modeling in Engineering & Sciences》2024年第12期2087-2105,共19页Mohammed A.Alhartomi Mohammad F.L.Abdullah Wafi A.B.Mabrouk Mohammed S.M.Gismalla Ahmed Alzahmi Saeed Alzahrani Mohammad R.Altimania Mohammed S.Alsawat; funded by the Deputyship for Research&Innovation,Ministry of Education in Saudi Arabia,grant number S-1443-0223.; The demand for broadband data services on high-speed trains is rapidly growing as more people commute between their homes and workplaces.However,current radio frequency(RF)technology cannot adequately meet this demand...; 关键词：Free space optics curve track ground-to-train communications geometrical loss weather conditions

Formation Stiffness Measurement of a Train Track Interaction System: 《Journal of Traffic and Transportation Engineering》2024年第6期291-298,共8页Sadiq Thomas; Railways are very important to our society due to their efficiency and reduced environmental effects.A system for the measurement of the condition of the formation on which a permanent way(pairs of rails laid on sleep...; 关键词：RAILWAY train track maintenance STIFFNESS

Dynamic Train Vertical Sperling Index Evaluation Model Considering Wheel-Rail Contact Loss: 《Journal of Shanghai Jiaotong university(Science)》2024年第6期1103-1115,共13页LIU Yiling ZHANG Jingwei LIU Xuewen WANG Yansong ZHOU Yueting; the National Natural Science Foundation of China(Nos.51675324,11972257 and 11832014);the Project of the Science and Technology Commission of Shanghai Municipality(No.19030501100);the Technical Service Platform for Vibration and Noise Testing and Control of New Energy Vehicles(No.18DZ2295900)。; In this study,a half-space 13-degree-of-freedom vehicle model,a double track model,and a train-bridge interaction model were integrated to form a combined people-train-rail-bridge interaction model to analyze the vert...; 关键词：equivalent mechanical model people-train-rail-bridge interaction Sperling index analysis massspring-damping theory

Surveillance for Adverse Events Following Immunization with Domestic Sabin-Strain Inactivated Poliovirus Vaccine-China,2015-2022: 《China CDC weekly》2024年第50期1313-1318,共6页Chunxiang Fan Keli Li Lina Zhang Yuan Li Yifan Song Yan Li Minrui Ren Lance ERodewald Zundong Yin; Supported by grants from the Operation of the Public Health Emergency Response Mechanism in China CDC(102393220020010000017).; Introduction:Domestic Sabin-strain inactivated poliovirus vaccine(sIPV)was approved for use in China in 2015 and introduced into the national immunization schedule in a sequential schedule with oral poliovirus vaccine...; 关键词：doses SWELLING maintained

NeTrainSim:a network-level simulator for modeling freight train longitudinal motion and energy consumption: 《Railway Engineering Science》2024年第4期480-498,共19页Ahmed S.Aredah Karim Fadhloun Hesham A.Rakha; funded in part by the Advanced Research Projects AgencyEnergy (ARPA-E), U.S. Department of Energy, under award number DE-AR0001471。; Although train modeling research is vast, most available simulation tools are confined to city-or trip-scale analysis, primarily offering micro-level simulations of network segments. This paper addresses this void by ...; 关键词：Ne Train Sim Network train simulation Train longitudinal motion Energy consumption Carbon footprint

Adaptive Trajectory Tracking Error Constraint Control of Unmanned Underwater Vehicle Based on a Fully Actuated System Approach: 《Journal of Systems Science & Complexity》2024年第6期2633-2653,共21页ZHANG Liuliu WANG Peng QIAN Cheng HUA Changchun; supported in part by the National Natural Science Foundation of China under Grant Nos.62273297,62103353,61825304,and 6182500417;in part by the Innovative Research Groups of the Natural Science Foundation of Hebei Province under Grant No.E2020203174;in part by Hebei Innovation Capability Improvement Plan Project under Grant No.22567619H;in part by Youth Top Talent Project of Hebei Province under Grant No.HY2024050021;in part by Post-graduate Innovation Fund Project of Hebei Province under Grant No.CXZZSS2023042。; This paper focuses on the trajectory tracking control problem of unmanned underwater vehicles(UUVs)with unknown dead-zone inputs.The primary objective is to design an adaptive trajectory tracking error constraint cont...; 关键词：Adaptive control radial basis function neural networks the fully actuated systems approach trajectory tracking error constraint

Simulation and Traffic Safety Assessment of Heavy-Haul Railway Train-Bridge Coupling System under Earthquake Action: 《Structural Durability & Health Monitoring》2024年第6期835-851,共17页Liangwei Jiang Wei Zhang Hongyin Yang Xiucheng Zhang Jinghan Wu Zhangjun Liu; funded by the Open Projects Foundation of Engineering Research Center of Disaster Prevention and Mitigation of Southeast Coastal Engineering Structures of Fujian Province University(Grant No.2022009);the National Natural Science Foundation of China(Grant No.51708429);the Construction Science and Technology Plan Projects of Hubei Province(Grant No.2023011).; Aiming at the problem that it is difficult to obtain the explicit expression of the structural matrix in the traditional train-bridge coupling vibration analysis,a combined simulation system of train-bridge coupling s...; 关键词：Train-bridge coupling vibration analysis dynamic response earthquake action traveling wave effect

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