作者: Wenhao Zhang,Peng Song,Mingying Wu,Qiang Li,Xinmin Mo,Pingxin Ji (Northwest Institute of Mechanical and Electrical Engineering;Xi’an Exo-Smart Dynamics Technology Ltd.;Department of Mechanical and Engineering, Beijing Institute of Technology)
出处: Control Theory and Technology 2024 第1期
关键词: Trajectory;tracking·Invariant;manifold·Funnel;control·Impedance;control·Lower;limb;exoskeleton
摘要: In this article, an unknown system dynamics estimator-based impedance control method is proposed for the lower limb exoskeleton to stimulate the track ...
作者: Wen-Kai Yu,Shuo-Fei Wang,Ke-Qian Shang (Center for Quantum Technology Research, and Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement of Ministry of Education, School of Physics, Beijing Institute of Technology)
出处: Chinese Physics Letters 2024 第2期
作者: Yabei Xu,Jiankun Shao,Wei Wang,Shengliang Xu,Dongping Chen (State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology;Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemotechnology)
出处: Defence Technology 2024 第2期
关键词: Calorimetric;technologies;Kinetics;Thermal;hazard;Phase;transformation;Thermal;decomposition
摘要: The coupling effect of heat absorption and release exists in the thermal decomposition of a few chemical materials.However,the impact of the above cou ...
作者: Yuanbo Sun,Jianning Gou,Cheng Wang,Qiang Zhou,Rui Liu,Pengwan Chen,Tonghui Yang,Xiang Zhao (State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology;Beijing HIWING Scientific and Technological Information Institute;School of Aerospace Engineering, Tsinghua University)
出处: Defence Technology 2024 第2期
关键词: Explosive;welding;Hydrodynamic;instabilities;Elasticity
摘要: By considering the joint effects of the Kelvin-Helmholtz(KH)and Rayleigh-Taylor(RT)instabilities,this paper presents an interpretation of the wavy pat ...
作者: Yiming Zhang,Ningfei Wang,Weihua Ma,Ran Wang,Long Bai,Yi Wu (School of Aerospace Engineering, Beijing Institute of Technology;Beijing System Design Institute of Electro-mechanic Engineering;Xi\'an Changfeng Research Institute of Mechanism and Electricity)
出处: Defence Technology 2024 第2期
关键词: Gun-launched;flight;test;Dummy;HTPB;propellant;Onboard;measurements;Utrahigh;overload;Mechanical;response
摘要: In this paper,to study the mechanical responses of a solid propellant subjected to ultrahigh acceleration overload during the gun-launch process, spec ...
作者: Wenjin Liu,Qingming Zhang,Renrong Long,Zizheng Gong,Ren Jiankang,Xin Hu,Siyuan Ren,Qiang Wu,Guangming Song (State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology;Beijing Institute of Spacecraft Environment Engineering China Academy of Space Technology)
出处: Defence Technology 2024 第2期
关键词: Hypervelocity;impact;Energy;partitioning;Impact;melting;Momentum;transfer
摘要: The effects of projectile/target impedance matching and projectile shape on energy,momentum transfer and projectile melting during collisions are inve ...
作者: Zhibin HU,Jun HU,Cai CHEN,Hongjian LIU,Xiaojian YI (Department of Applied Mathematics, Harbin University of Science and Technology;Heilongjiang Provincial Key Laboratory of Optimization Control and Intelligent Analysis for Complex Systems,Harbin University of Science and Technology;School of Automation, Harbin University of Science and Technology;School of Mathematics and Physics, Anhui Polytechnic University;School of Mechatronical Engineering, Beijing Institute of Technology;Yangtze Delta Region Academy of Beijing Institute of Technology;Tangshan Research Institute, Beijing Institute of Technology)
出处: Frontiers of Information Technology & Electronic Engineering 2024 第2期
关键词: Distributed fusion filtering;Multi-sensor nonlinear singular systems;Dynamic event-triggered scheme;Outlier-resistant filter;Uniform boundedness
摘要: This paper investigates the problem of outlier-resistant distributed fusion filtering (DFF) for a class of multi-sensor nonlinear singular systems (MS ...
作者: Ying-Ying Gan1;,Hai-Ming Zhang2;,Xing Yang3;,Ying Gu3;,Jin Zhang1; (1School of Physics, Beijing Institute of Technology;2School of Astronomy and Space Science, Nanjing University;3Guangxi Key Laboratory for Relativistic Astrophysics, School of Physical Science and Technology, Guangxi University)
出处: Research in Astronomy and Astrophysics 2024 第24卷 第2期 P198-207
关键词: galaxies:;active;–;galaxies:;jets;–;radio;continuum:;galaxies;–;gamma-rays:;galaxies
摘要: The γ-ray emitting compact symmetric objects(CSOs) PKS 1718-649,NGC 3894,and TXS 0128+554 are lobedominated in the radio emission.In order to investig ...
作者: Bei Jiang,Fenglin Ma,Qi Wang,Hongke Gao,Dahu Zhai,Yusong Deng,Chuanjie Xu,Liangdi Yao (State Key Laboratory for Tunnel Engineering,China University of Mining and Technology-Beijing;State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology;Research Center of Geotechnical and Structural Engineering,Shandong University)
出处: International Journal of Mining Science and Technology 2024 第1期 P65-76
关键词: Digital;drilling;Rock;crushing;zone;c-φ;parameter;Measurement;method;Field;application
摘要: The technology of drilling tests makes it possible to obtain the strength parameter of rock accurately in situ.In this paper,a new rock cutting analys ...
作者: Xiao QU,Liunan LI,Yingjie ZHANG,Xingen LU,Junqiang ZHU,Yanfeng ZHANG (School of Mechanical Engineering, Beijing Institute of Technology;Key Laboratory of Light-Duty Gas-Turbine,Institute of Engineering Thermophysics,Chinese Academy of Sciences;School of Aeronautics and Astronautics, University of Chinese Academy of Sciences)
出处: Chinese Journal of Aeronautics 2024 第3期
关键词: Low-pressure turbine;Secondary flow;Flow control;Boundary-layer suction;Incoming wake
摘要: The design of high-lift Low-Pressure Turbines (LPTs) causes the separation of the boundary layer on the suction side of the blade and leads to a stron ...
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