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Omnidirectional simulation analysis of thermomechanical coupling mechanism in inertia friction welding of Ni-based superalloy: 《Chinese Journal of Aeronautics》2025年第1期202-216,共15页Chang-an LI Guoliang QIN Hao WANG; supported by the National Key Research and Development Program of China(Grant No.2022YFB3404904)。; The coupling between heat and pressure is the kernel of inertia friction welding(IFW)and is still not fully understood.A novel 3D fully coupled finite element model based on a plastic friction pair was developed to si...; 关键词：Inertia friction welding Thermo-mechanical coupling INHOMOGENEITY Numerical simulation Ni-based superalloy

Dielectric metamaterials with effective self-duality and full-polarization omnidirectional brewster effect: 《Light(Science & Applications)》2024年第11期2680-2687,共8页Hao Luo Jie Luo Zhihui Zhang Chao Wu Quan Li Wei Liu Ruwen Peng Mu Wang Hongqiang Li Yun Lai; the National Key R&D Program of China(Grants Nos.2022YFA1404303,2020YFA0211300);the National Natural Science Foundation of China(Grants Nos.12174188,11974176,12474293,12374293,12234010,11874286);Natural Science Foundation of Jiangsu Province(Grant No.BK20221354).; Conventional dielectric solid materials,both natural and artifcial,lack electromagnetic self-duality and thus require additional coatings to achieve impedance matching with free space.Here,we present a class of dielec...; 关键词：directional DUALITY DIELECTRIC

Neural Dynamics for Cooperative Motion Control of Omnidirectional Mobile Manipulators in the Presence of Noises: A Distributed Approach: 《IEEE/CAA Journal of Automatica Sinica》2024年第7期1605-1620,共16页Yufeng Lian Xingtian Xiao Jiliang Zhang Long Jin Junzhi Yu Zhongbo Sun; supported in part by the National Natural Science Foundation of China (62373065,61873304,62173048,62106023);the Innovation and Entrepreneurship Talent funding Project of Jilin Province(2022QN04);the Changchun Science and Technology Project (21ZY41);the Open Research Fund of National Mobile Communications Research Laboratory,Southeast University (2024D09)。; This paper presents a distributed scheme with limited communications, aiming to achieve cooperative motion control for multiple omnidirectional mobile manipulators(MOMMs).The proposed scheme extends the existing singl...; 关键词：Cooperative motion control noise-tolerant zeroing neural network(NTZNN) omnidirectional mobile manipulator(OMM) repetitive motion planning

Improving Radiation Pattern Roundness of Henge-Like Metaring-Loaded Monopoles Above a Finite Ground for MIMO Systems: 《Electromagnetic Science》2024年第2期104-115,共12页Bo Zhang Zhi Ning Chen Yucong Zhou Qun Lou Jiahao Wang Koen Mouthaan; A henge-like metaring(HMR)is proposed for improving the radiation pattern roundness of monopole antennas offcenter mounted on a finite ground by localizing the radiation from the monopole and suppressing the scatterin...; 关键词：Antenna radiation pattern Characteristic mode analysis METAMATERIALS MIMO communication OMNIDIRECTIONAL antennas Wireless access points

Omnidirectional color wavelength tuning of stretchable chiral liquid crystal elastomers被引量：2: 《Light(Science & Applications)》2024年第6期1062-1074,共13页Seungmin Nam Wontae Jung Jun Hyuk Shin Su Seok Choi; supported by the Samsung Research Funding&Incubation Center of Samsung Electronics under Project Number SRFC-TC2103-01;Technology Innovation Program (20010690)funded by the Ministry of Trade,Industry and Energy (MOTIE,Korea).; Wavelength-tunable structural colors using stimuli-responsive materials,such as chiral liquid crystals(CLCs),have attracted increasing attention owing to their high functionality in various tunable photonic applicatio...; 关键词：tuning TUNABLE directional

Bio-inspired Design and Inverse Kinematics Solution of an Omnidirectional Humanoid Robotic Arm with Geometric and Load Capacity Constraints: 《Journal of Bionic Engineering》2024年第2期778-802,共25页Zhichao Zhu Zirong Luo Yiming Zhu Tao Jiang Minghai Xia Shanjun Chen Boyu Jin; funded by the National Natural Science Foundation of China(NO.52175069).; Inspired by the driving muscles of the human arm,a 4-Degree of Freedom(DOF)concentrated driving humanoid robotic arm is proposed based on a spatial double parallel four-bar mechanism.The four-bar mechanism design redu...; 关键词：Humanoid robotic arm Bio-inspired design Inverse kinematics solution Load capacity constraint Geometric constraint

Full-parameter omnidirectional transformation optical devices被引量：1: 《National Science Review》2024年第3期86-93,共8页Yuan Gao Yu Luo Jingjing Zhang Zhengjie Huang Bin Zheng Hongsheng Chen Dexin Ye; supported by the National Natural Science Foundation of China(62122068,62071420,61871127 and 61975176);funding support from Singapore Ministry of Education(MOE2018-T2-2-189(S));A*Star AME IRG Grant(A20E5c0095);Programmatic Funds(A18A7b0058);National Research Foundation Singapore Competitive Research Program(NRF-CRP22-2019-0006 and NRF-CRP23-2019-0007);sponsored by the Key Research and Development Program of the Ministry of Science and Technology(2022YFA1404704 and 2022YFA1405200 to H.C.);the Fundamental Research Funds for the Central Universities.; Transformation optics(TO)provides an unprecedented technique to control electromagnetic(EM)waves by engineering the constitutive parameters of the surrounding medium through a proper spatial transformation.In general,...; 关键词：transformation optical devices omnidirectional impedance matching full-parameter invisibility cloak

Experimental investigation of omnidirectional multiphysics bilayer invisibility cloak with anisotropic geometry: 《Chinese Physics B》2024年第3期649-658,共10页丰火雷张兴伟周利敏张悦凯倪玉山; This work was financially supported by the National Natural Science Foundation of China(Grant No.11572090);the Fundamental Research Funds for the Central Universities(Grant No.3072022GIP0202).; Thermal-electric bilayer invisibility cloak can prevent the heat flux and electric current from touching the object without distorting the external temperature and electric potential fields simultaneously.In this pape...; 关键词：omni-directionality MULTIPHYSICS bilayer confocal ellipse invisibility cloak

Design and Experiments of a Human-Leg-Inspired Omnidirectional Robotic Leg被引量：1: 《Journal of Bionic Engineering》2023年第6期2570-2589,共20页Yuze Xu Zirong Luo Xiangjuan Bai Huixiang Xie Yiming Zhu Shanjun Chen Jianzhong Shang; This work was supported by the National Natural Science Foundation of China(NO.52175069).; Bionic-based robotic legs enable the legged robots with elegant and agile mobility in multi-terrain environment,just like natural living beings.And the smart design could efficiently improve the performance of a robot...; 关键词：Human leg Robotic leg Omnidirectional legged locomotion Spatial dual-parallelogram-linkages Spatial closed-loop four-bar

Beyond Video Quality:Evaluation of Spatial Presence in 360-Degree Videos: 《ZTE Communications》2023年第4期91-103,共13页ZOU Wenjie GU Chengming FAN Jiawei HUANG Cheng BAI Yaxian; supported in part by ZTE Industry⁃University⁃Institute Coop⁃eration Funds.; With the rapid development of immersive multimedia technologies,360-degree video services have quickly gained popularity and how to ensure sufficient spatial presence of end users when viewing 360-degree videos become...; 关键词：virtual reality quality assessment omnidirectional video spatial presence

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