TWISTING

作品数:169被引量:485H指数:11
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相关领域:自动化与计算机技术理学更多>>
相关作者:刘芳璇皇甫宜耿吴学礼侯艳崔晶更多>>
相关机构:西北工业大学上海电机学院河北科技大学石家庄铁道大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划河北省自然科学基金陕西省教育厅自然科学基金更多>>
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Dynamical tuning multifunctional and nonreciprocal polarization conversion by twisting twin Weyl-semimetal layers
《Chinese Optics Letters》2025年第1期134-139,共6页Guangfan Liu Shuai Deng Sen Hong Qiongxiong Ma Chengping Yin Kunyuan Xu 
supported by the Guangdong Provincial Key Laboratory(No.2020B1212060066)。
Recently,polarization conversion based on the equivalent magnetic field of Weyl semimetals(WSMs)has gained significant attention.Based on a twin WSM-layer structure,we transplant the concept of twist from Twistronics ...
关键词:NONRECIPROCITY polarization conversion tunable TWISTING Weyl semimetals 
Flexible Organic Crystal with Two-Dimensional Elastic Bending and Recoverable Plastic Twisting for Circularly Polarized Luminescence
《CCS Chemistry》2024年第6期1439-1447,共9页Wenjie Kuang Bo Jing Songgu Wu Junbo Gong 
supported by the National Natural Science Foundation of China(grant no.22178254);the Key R&D Program of Hebei Province,China(grant no.21282602Z);the Tianjin Natural Science Foundation,China(grant no.21JCZJC00400).
Multidimensional mechanical flexible organic crystals with tunable optoelectronic properties hold significant promise for practical application in complicated environmental conditions.Herein,based on a newly designed...
关键词:organic crystal multidimensional flexibility circularly polarized luminescence low-temperature resistance 
Theoretical investigation on the fluorescent sensing mechanism for recognizing formaldehyde: TDDFT calculation and excited-state nonadiabatic dynamics
《Chinese Physics B》2023年第5期674-681,共8页杨云帆 杨璐佳 马凤才 李永庆 邱岳 
the National Natural Science Foundation of China (Grant No. 12104392);the Natural Science Foundation of Hebei Province, China (Grant No. B2021203017);the High-Level Innovative Talents Program of Shenyang City (Grant No. RC200565);the Innovation Capability Improvement Project of Hebei Province, China (Grant No. 22567605H)。
Inspired by the activity-based sensing method, the hydrazine-modified naphthalene derivative(Naph1) was synthesized and used as a fluorescent probe to detect formaldehyde(FA) in living cells. Through the condensation ...
关键词:proton transfer twisting intramolecular charge transfer intersystem crossing fluorescent probe 
Elastic twisting metamaterial for perfect longitudinal-torsional wave mode conversion被引量:2
《Applied Mathematics and Mechanics(English Edition)》2023年第4期515-524,共10页Shengjie YAO Yijun CHAI Xiongwei YANG Yueming LI 
Project supported by the National Natural Science Foundation of China(Nos.U2033208,52192633);the Natural Science Basic Research Plan in Shaanxi Province of China(No.2021JQ-006);the China Postdoctoral Science Foundation(No.2020TQ0241);the Innovative Scientific Program of China Nuclear Power Engineering Co.,Ltd。
In this work,we design a twisting metamaterial for longitudinal-torsional(L-T)mode conversion in pipes through exploring the theory of perfect transmodal FabryPerot interference(TFPI).Assuming that the axial and radia...
关键词:elastic wave mode conversion elastic metamaterial ultrasonic device 
Design of Multi-Coupled Laminates with Extension-Twisting Coupling for Application in Adaptive Structures被引量:2
《Computer Modeling in Engineering & Sciences》2022年第1期415-441,共27页Da Cui Daokui Li Shiming Zhou 
the National Natural Science Foundation of China(Grant No.11472003);the Natural Science Foundation of Hunan Province of China(Grant No.2021JJ30770);the Postgraduate Scientific Research Innovation Project of Hunan Province(Grant No.CX20200007).
The multiple coupling of composite laminates has a unique advantage in improving the macro mechanical properties of composite structures.A total of three hygro-thermally stablemulti-coupled laminates with extensiontwi...
关键词:Multi-coupled laminate passive adaptive structures optimal design mechanical properties numerical simulation 
Bilayer twisting as a mean to isolate connected flat bands in a kagome lattice through Wigner crystallization
《Chinese Physics B》2021年第7期5-10,共6页Jing Wu Yue-E Xie Ming-Xing Chen Jia-Ren Yuan Xiao-Hong Yan Sheng-Bai Zhang Yuan-Ping Chen 
the National Natural Science Foundation of China(Grant No.11874314);supported by U.S.DOE under Grant No.DE-SC0002623。
The physics of flat band is novel and rich but difficult to access.In this regard,recently twisting of bilayer van der Waals(vd W)-bounded two-dimensional(2 D)materials has attracted much attention,because the reducti...
关键词:twisted bilayer kagome graphene flat bands Wigner crystallization 
High-order sliding mode control of a doubly salient permanent magnet machine driving marine current turbine被引量:2
《Journal of Ocean Engineering and Science》2021年第1期12-20,共9页Hao Chen Shifeng Tang Jingang Han Tianhao Tang Nadia Aït-Ahmed Zhibin Zhou Mohamed Benbouzid 
This work was supported by National Natural Science Foundation of China,China(Grant No:61503242);Nat-ural Science Foundation of Shanghai,China(15ZR1419800).
Due to the harsh and changeable marine environment,one low speed stator-permanent magnet machine named doubly salient permanent magnet machine with toothed pole is applied for marine current energy conversion system.I...
关键词:Doubly salient permanent magnet machine Torque ripple CHATTERING High-order sliding mode control Super-twisting algorithm 
基于super-twisting二阶滑模算法的作业型ROV路径跟踪控制方法被引量:6
《水下无人系统学报》2021年第1期14-22,共9页黄博伦 杨启 
国家重点研发计划项目资助(2017YFC0306704).
作业型遥控无人水下航行器(ROV)的运动存在时变外界干扰和系统不确定性,利用常规滑模方法设计其运动控制器会产生抖振现象,而常用的饱和函数联合边界层法(SatSMC)在消除抖振的同时无法保证控制精度。针对上述问题,文中设计了super-twist...
关键词:遥控无人水下航行器 super-twisting算法 滑模控制 路径跟踪 
Numerical investigation on aerodynamic performance of a bionic flapping wing被引量:5
《Applied Mathematics and Mechanics(English Edition)》2019年第11期1625-1646,共22页Xinghua CHANG Laiping ZHANG Rong MA Nianhua WANG 
Project supported by the National Key Research and Development Program(No.2016YFB0200700);the National Natural Science Foundation of China(Nos.11532016 and 11672324)
This paper numerically studies the aerodynamic performance of a bird-like bionic flapping wing.The geometry and kinematics are designed based on a seagull wing,in which flapping,folding,swaying,and twisting are consid...
关键词:FLAPPING WING bird-like FLAPPING UNSTEADY flow radial basis function (RBF) hybrid dynamic mesh span-wise TWISTING mechanism 
Sliding Mode Formation Control of Nonlinear Multi-Agent Systems with Local Lipschitz Continuous Dynamics被引量:5
《Journal of Systems Science & Complexity》2019年第3期759-777,共19页WANG Jinran LUO Xiaoyuan LI Xiaolei ZHU Minggao GUAN Xinping 
supported in part by the National Natural Science Foundation of China under Grant Nos.61375105 and 61403334;Chinese Postdoctoral Science Fundation under Grant No.2015M581318
In this paper, the multi-agent formation problem of networked nonlinear multi-agent systems with local Lipschitz continuous dynamics under directed interaction topology, is investigated. Based on the nonlinear dynamic...
关键词:Formation control nonlinear MULTI-AGENT system SLIDING mode super-twisting algorithm 
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