ISOLATOR

作品数：80被引量：129H指数：5
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相关作者：张堃元张文英赵丽雅高海燕程克明更多>>
相关机构：南京航空航天大学石家庄制药集团有限公司沃特世科技(上海)有限公司哈尔滨工业大学更多>>
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Electrically Tunable Graphene Terahertz Isolator Assisted by Nonreciprocal Plasmon
《Chinese Physics Letters》2025年第1期58-67,共10页Chen-Ran Xu Weiru Fan Yanhao Tang Dawei Wang 
Supported by the National Natural Science Foundation of China(Grant Nos.11934011 and 12274365);National Key R&D Program of China(Grant Nos.2022YFA1402400 and 2022YFA1400043);Zhejiang Provincial Natural Science Foundation of China(Grant No.LR24A040001);Open project of Key Laboratory of Artificial Structures and Quantum Control(Ministry of Education)of Shanghai Jiao Tong University。
Nonreciprocal isolators enable unidirectional light propagation without back-reflection.Typical terahertz isolators require magnetic fields to break the time-reversal symmetry.Herein,we propose a nonmagnetic isolator ...
关键词：tuning reciprocal EXCEEDING 
An optimal control method of internal resonances for vibration isolation system using an aperiodic isolator
《Acta Mechanica Sinica》2025年第1期175-191,共17页Yujun Liu Jing Liu Guang Pan Qiaogao Huang Baowei Song 
supported by the National Key Research and Development Plan of China (Grant No.2023YFB3406302);Guangdong Basic and Applied Basic Research Foundation (Grant No.2024A1515011126);the Key Research and Development Plan of Shanxi (Grant No.2024GH-ZDXM-29)。
Periodic isolator is well known for its wave filtering characteristic.While in middle and high frequencies,the internal resonances of the periodic isolator are evident especially when damping is small.This study propo...
关键词：Internal resonances Vibration isolation Periodic structure Vibration wave propagation 
Characteristics of a Quasi-Zero-Stiffness Isolator Using a Double-Curved Beam as a Negative Stiffness Mechanism
《Journal of Ocean University of China》2024年第6期1409-1422,共14页ZHENG Zepeng WANG Shuqing JIANG Bo LI Daoxi 
Support from the National Natural Science Foundation of China(No.52088102);the Major Scientific and Technological Innovation Project of Shandong Province(No.2019JZZY010820)。
In this paper,a new quasi-zero-stiffness(QZS)nonlinear isolation system using a double-curved beam(DCB)as a negative stiffness structure is proposed,and its performance is investigated.The negative stiffness provided ...
关键词：double-curve beam quasi-zero-stiffness characteristic nonlinear low-frequency vibration isolation 
Design of low-frequency circular metastructure isolators with high-load-bearing capacity
《Chinese Journal of Aeronautics》2024年第10期207-220,共14页Ning CHEN Zhichun YANG Te YANG Yizhou SHEN Wei TIAN Yanlong XU 
Supported by Innovation Foundation for Doctor Dissertation of Northwestern Polytechnical University,China(No.CX2024001);National Natural Science Foundation of China(Nos.11972296,12372157);Aeronautical Science Foundation of China(No.20220057053001);Open Project of State Key Laboratory for Strength and Vibration of Mechanical Structures of Xi’an Jiaotong University,China(No.SV2023-KF-19).
Traditional vibration isolation structures cannot work effectively for low-frequency vibration under heavy loads,due to the inherent contradiction between the high-static and lowdynamic stiffness of these structures.A...
关键词：ISOLATOR LOW-FREQUENCY Curved beam Metastructure STIFFNESS 
A quasi-zero stiffness energy harvesting isolator with triple negative stiffness
《Acta Mechanica Sinica》2024年第8期219-238,共20页Xiangyu Cai Tao Yang Weiyang Qin Zhongliang Xie 
supported by the National Natural Science Foundation of China(Grant No.12272293);Guangdong Basic and Applied Basic Research Foundation(Grant Nos.2022A1515010967 and 2023A1515012821).
Vibration isolation for low frequency excitation and the power supply for low power monitoring sensors are important issues in bridge engineering.The main problem is how to effectively combine the vibration isolator w...
关键词：Quasi-zero stiffness Triple negative stiffness Vibration isolation Energy harvesting 
Three-magnet-ring quasi-zero stiffness isolator for low-frequency vibration isolation
《International Journal of Mechanical System Dynamics》2024年第2期153-170,共18页Shang Wang Lei Hou Qingye Meng Gengshuo Cui Xiaodong Wang 
National Key R&D Program of China,Grant/Award Number:2023YFE0125900;National Natural Science Foundation of China,Grant/Award Number:12372008;Natural Science Foundation of Heilongjiang Province,Grant/Award Number:YQ2022A008;Fundamental Research Funds for the Central Universities and the Shandong Provincial Natural Science Foundation,Grant/Award Number:ZR2020MA055;Independent Innovation Fund of Tianjin University,Grant/Award Number:2024XJS-0027。
A three-magnet-ring quasi-zero stiffness(QZS-TMR)isolator is designed to solve the problem of low-frequency vibration isolation in the vertical direction of precision equipment.QZS-TMR has both positive and negative s...
关键词：low-frequency vibration isolation magnet rings quasi-zero stiffness vibration isolator 
Wafer-level substrate-free YIG single crystal film for a broadband tunable terahertz isolator
《Photonics Research》2024年第3期505-513,共9页XILAI ZHANG DAN ZHAO DING ZHANG QIANG XUE FEI FAN YULONG LIAO QINGHUI YANG QIYE WEN 
National Key Research and Development Program of China(2023YFB3811300,2023YFB3811305);National Natural Science Foundation of China(62235004,61831012,62371258,62311530115);Sichuan Province Science and Technology Support Program(2021JDTD0026,2023JDGD0012);Shenzhen Science and Technology Program((2021)105)。
Yttrium iron garnet(YIG)is a promising material for various terahertz applications due to its special optical properties.At present,a high-quality YIG wafer is the desire of terahertz communities and it is still chall...
关键词：YIG FILM INSERTION 
High-static-low-dynamic stiffness isolator based on an electromagnetic negative stiffness spring with long linear stroke
《Science China(Technological Sciences)》2024年第3期740-752,共13页YUAN ShuJin WU YaJun SONG DaiPing PU HuaYan MOU LiSheng HOU Lei ZHAO JingLei LI XuePing LUO Jun WU Jie HUANG XiaoXu 
supported by the National Natural Science Foundation of China(Grant Nos. 62325302, 62203076, 62103065);the China Postdoctoral Science Foundation(Grant No. 2021M700584);the Program of Shanghai Academic/Technology Research Leader(Grant No. 21XD1421400);the Natural Science Foundation of Chongqing, China(Grant No.cstc2020jcyj-zdxmX0014)。
Negative stiffness mechanisms can improve low-frequency vibration isolation performance and have been widely used in the vibration isolation of precision equipment. However, the negative stiffness mechanism usually in...
关键词：linear negative stiffness mechanism low-frequency vibration isolation electromagnetic spring vibration control 
Geometrically nonlinear inerter for vibration suppression被引量：1
《Applied Mathematics and Mechanics(English Edition)》2023年第11期1871-1886,共16页Yuyang SONG Liqun CHEN Tianzhi YANG 
Project supported by the National Natural Science Foundation of China(Nos.12232014 and 12072221);the Fundamental Research Funds for the Central Universities of China(No.2013017)。
A two-degree-of-freedom(2DOF)vibration isolation structure with an integrated geometric nonlinear inerter(NI)device is proposed.The device is integrated into an inertial nonlinear energy sink(INES),and its vibration s...
关键词：inerter nonlinear dynamic ISOLATOR ENERGY 
A deep learning approach for velocity field prediction in a scramjet isolator from Schlieren images被引量：1
《Chinese Journal of Aeronautics》2023年第11期58-70,共13页Chen KONG Ziao WANG Yunfei LI Juntao CHANG 
supported by the National Natural Science Foundation of China(No.52125603).
Accurate measurements of physical parameters in a scramjet isolator are very important to promote the design and optimization of the isolator and even the scramjet.In a ground experiment,limited by the inherent charac...
关键词：Data-driven model Deep learning Neural networks Scramjet isolator Velocity field prediction 
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