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检索条件"主题词=SD oscillator"
43 条 记 录,以下是1-10 订阅
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Chaos analysis of sd oscillator with two-frequency excitation
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NONLINEAR DYNAMICS 2024年 第9期112卷 7649-7677页
作者: Peng, Ruyue Li, Qunhong Zhang, Wei Guangxi Univ Sch Phys Sci & Engn Technol Nanning 530004 Guangxi Peoples R China Guangxi Univ Coll Math & Informat Sci Nanning 530004 Guangxi Peoples R China Guangxi Univ Coll Civil Engn & Architecture Nanning 530004 Guangxi Peoples R China
Homoclinic bifurcation in a class of sd oscillators under external quasi-periodic excitation with two frequencies is investigated. By using the Melnikov method, the Melnikov function of the system under two-frequency ... 详细信息
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Research on dynamic characteristics of electromagnetic sd oscillator system under state feedback control
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INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS 2025年 176卷
作者: Wang, Meiqi Zu, Qian Wang, Ruichen Qin, Chengwei Liu, Pengfei Shijiazhuang Tiedao Univ Sch Mech Engn Shijiazhuang 050043 Peoples R China Shijiazhuang Tiedao Univ State Key Lab Mech Behav & Syst Safety Traff Engn Shijiazhuang 050043 Peoples R China Shijiazhuang Tiedao Univ Hebei Key Lab Mech Power & Transmiss Control Shijiazhuang 050043 Peoples R China CRRC Tangshan Co Ltd Tangshan 064000 Peoples R China
To enhance the robustness of the smooth and discontinuous (sd) oscillator system, an electromagnet incorporating displacement-velocity state feedback control is integrated above the oscillator. The electromagnetic int... 详细信息
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The effect of fractional damping and time-delayed feedback on the stochastic resonance of asymmetric sd oscillator
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NONLINEAR DYNAMICS 2022年 第3期107卷 2099-2114页
作者: Wang, QiuBao Wu, Hao Yang, YueJuan Shijiazhuang Tiedao Univ Dept Math & Phys Shijiazhuang 050043 Hebei Peoples R China Tiangong Univ Sch Mech Engn Tianjin 300380 Peoples R China
This paper proposes the stiffness nonlinearities and asymmetric sd (smooth and discontinuous) oscillator under time-delayed feedback control with the fractional derivative damping. With the effect of displacement and ... 详细信息
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Subharmonic resonance and fixed-range asymptotic stability of the fractional-order sd oscillator
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ADVANCES IN MECHANICAL ENGINEERING 2024年 第1期16卷
作者: Wang, Cui-yan Wang, Ming-hao Chen, En-li Wang, Jun Shijiazhuang Tiedao Univ 17 Northeast Second Inner Ring Shijiazhuang 050043 Hebei Peoples R China Shijiazhuang Tiedao Univ State Key Lab Mech Behav & Syst Safety Traff Engn Shijiazhuang 050043 Peoples R China
The smooth and discontinuous (sd) oscillator is a typical system with strong nonlinear characteristics, and it is widely used in low-frequency vibration isolation and energy harvesting. A fractional damping model deno... 详细信息
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Bounded and Unbounded Solutions of the sd oscillator at Resonance
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数学理论与应用 2024年 第4期44卷 45-69页
作者: Bian Jingke Liu Jie School of Mathematics and Information Science Henan Polytechnic UniversityJiaozuo 454003China
In this paper we study the boundedness and unboundedness of the solutions of the smooth and discontinuous(sd)oscillatorbegin{equation*}x''+f(x)x'+x-frac{x}{sqrt{x^{2}+alpha^{2}}}=p(t).end{equation*}Since f... 详细信息
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Nonlinear dynamic response characteristics of sd oscillator with fractional damping
Nonlinear dynamic response characteristics of SD oscillator ...
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第八届国际振动工程会议
作者: Enli Chen Minghao Wang Meiqi Wang Yujian Chang State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures Shijiazhuang Tiedao University School of Mechanical Engineering Shijiazhuang Tiedao University School of Electrical and Electronic Engineering Shijiazhuang Tiedao University
The internal friction can be described more accurately by fractional damping than integral damping. The nonlinear dynamic response characteristics of sd oscillator with fractional damping under harmonic excitation are... 详细信息
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Global dynamics of a sd oscillator
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NONLINEAR DYNAMICS 2018年 第3期91卷 1755-1777页
作者: Chen, Hebai Llibre, Jaume Tang, Yilei Fuzhou Univ Coll Math & Comp Sci Fuzhou 350002 Fujian Peoples R China Univ Autonoma Barcelona Dept Matemat E-08193 Barcelona Catalonia Spain Shanghai Jiao Tong Univ Sch Math Sci Shanghai 200240 Peoples R China
In this paper, we derive the global bifurcation diagrams of a sd oscillator which exhibits both smooth and discontinuous dynamics depending on the value of a parameter a. We research all possible bifurcations of this ... 详细信息
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Delay-controlled primary and stochastic resonances of the sd oscillator with stiffness nonlinearities
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MECHANICAL SYSTEMS AND SIGNAL PROCESSING 2018年 103卷 216-235页
作者: Yang, Tao Cao, Qingjie Harbin Inst Technol Sch Astronaut Harbin 150001 Heilongjiang Peoples R China
This work presents analytical studies of the stiffness nonlinearities sd (smooth and discontinuous) oscillator under displacement and velocity feedback control with a time delay. The sd oscillator can capture the qual... 详细信息
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Nonlinear dynamics of the quasi-zero-stiffness sd oscillator based upon the local and global bifurcation analyses
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NONLINEAR DYNAMICS 2017年 第2期87卷 987-1014页
作者: Hao, Zhifeng Cao, Qingjie Wiercigroch, Marian Harbin Inst Technol Sch Astronaut Ctr Nonlinear Dynam Res Harbin 150001 Peoples R China Univ Aberdeen Sch Engn Kings Coll Ctr Appl Dynam Res Aberdeen AB24 3UE Scotland
In this paper, the complicated nonlinear dynamics of the harmonically forced quasi-zero-stiffness sd (smooth and discontinuous) oscillator is investigated via direct numerical simulations. This oscillator considered t... 详细信息
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Harmonic and subharmonic solutions of the sd oscillator
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NONLINEAR DYNAMICS 2016年 第4期84卷 2477-2486页
作者: Chen, Hebai Xie, Jianhua Southwest Jiaotong Univ Sch Mech & Engn Chengdu 610031 Sichuan Peoples R China
In this paper we study the existence and uniqueness of harmonic solutions and subharmonic ones of the smooth-and-discontinuous (sd, for short) differential equation , where and . However, for this oscillator it is eas... 详细信息
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