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Mechanism of self-excited torsional vibration of locomotive driving system

Jianxin LIU, Huaiyun ZHAO, Wanming ZHAI

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 465-469 doi: 10.1007/s11465-010-0115-9

Abstract: A single wheelset drive model and 2-DOFs torsional vibration model were established to investigate theself-excited torsional vibration of a locomotive driving system.The simulation results indicate that the self-excited torsional vibration occurs when the steady slipThe principle of energy conservation was used to analyze the mechanism of the self-excited vibration.The factors affecting on the amplitude of the self-excited vibration are studied.

Keywords： locomotive     driving system     self-excited torsional vibration     mechanism     influence factor    

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Analysis and control of wind-driven self-excited induction generators connected to the grid through power

S. Senthil KUMAR, N. KUMARESAN, N. Ammasai GOUNDEN, Namani RAKESH

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 403-412 doi: 10.1007/s11708-012-0208-8

Abstract: The analysis of the wind-driven self-excited induction generators (SEIGs) connected to the grid through

Keywords： self-excited induction generator (SEIG)     renewable power generation     power converters     maximum power point    

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Comparisons of bridges flutter derivatives and generalized ones

Fuyou XU , Zhe ZHANG , Cailiang HUANG , Airong CHEN ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 272-278 doi: 10.1007/s11709-009-0042-1

Abstract: The causes of the nonlinearity of self-excited aerodynamic force of bridge are interpreted from suchIt is more convenient to understand the nonlinearity properties of self-excited aerodynamic force of

Keywords： bridge     flutter derivative     generalized flutter derivative     self-excited aerodynamic force     Sutong Bridge    

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Advances in Investigation and Application of Self-resonating Cavitating Water Jet

Li Gensheng,Shen Zhonghou,Zhou Changshan,Zhang Debin,Liao Hualin

Strategic Study of CAE 2005, Volume 7, Issue 1,   Pages 27-32

Abstract:

The paper presents advances in investigations of a new jet , the self-resonating water jet, includingThe researches show that nozzles designed on basis of organ pipe structure can generate self-resonatingSelf-resonating water jets have been successfully applied in petroleum engineering.Roller bits, devices for treatment of near well- bore formation, self-excited oscillating water injectorswith the self-resonating water jet technique have been developed, and great economic efficiency has

Keywords： self-excited resonance     cavitating jet     oil well drilling     oil and gas production    

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Experimental study of modal parameter identification in a simulated ambient-excited structure

JI Xiaodong, QIAN Jiaru, XU Longhe

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 281-285 doi: 10.1007/s11709-007-0036-9

Abstract: parameter online identification was used to monitor the structural health as evidenced by changes in the vibrationrealization algorithm were combined to identify the modal parameters in the time domain of a structure excitedThe experimental modal analysis was performed on a two-story steel braced frame model excited by simulated

Keywords： eigensystem realization     eigen-sensitivity analysis     realization algorithm     vibration     effective    

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Hole quality in longitudinal–torsional coupled ultrasonic vibration assisted drilling of carbon fiber

Guofeng MA, Renke KANG, Zhigang DONG, Sen YIN, Yan BAO, Dongming GUO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 538-546 doi: 10.1007/s11465-020-0598-y

Abstract: The advanced longitudinal–torsional coupled ultrasonic vibration assisted drilling (LTC-UAD) method has

Keywords： longitudinal–torsional coupled     ultrasonically drilling     CFRP     thrust force     hole quality    

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Control of wind-induced vibration of long-span bridges and tall buildings

GU Ming

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 51-62 doi: 10.1007/s11709-007-0005-3

Abstract: With the rapid increase in scales of structures, research on controlling wind-induced vibration of large-scaleFor wind-induced vibration of large-scale structures, vibration frequencies and damping modes vary withmass damper (TMD) with an adjustable frequency is proposed to control vertical bending buffeting and torsionalThe results demonstrate that the proposed strategies can reduce vibration effectively, and can adaptto wind-induced vibration control of large-scale structures in the uncertain dynamic circumstance.

Keywords： torsional buffeting     large-scale     semiactive     adjustable frequency     building aeroelastic    

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Sensitivity analysis of torsional vibration behavior of the shafting of a turbo generator set to changes

XIE Danmei, ZHANG Hengliang, DONG Chuan, LIU Zhanhui, YANG Changzhu

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 483-486 doi: 10.1007/s11708-007-0072-4

Abstract: Aiming at a 300 MW turbo-generator model, the sensitivity of natural torsional frequencies and modesof torsional vibration (TV) to the rotational inertia and stiffness of the turbo-generator were analyzed

Keywords： Calculation     MW turbo-generator     sensitivity     stiffness    

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Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 194-202 doi: 10.1007/s11709-015-0292-z

Abstract: Considering the interactions between an embedded foundation and saturated soil, the torsional vibrationsAccording to the dynamic equilibrium equations of a foundation under harmonic torque, the torsional vibrationsSelected examples are presented to investigate the influence of relevant parameters on the torsional

Keywords： embedded foundation     saturated soil     rigid foundation     elastic foundation     torsional vibration    

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Radial electromagnetic type unbalance vibration self-recovery regulation system for high-end grinding

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0763-1

Abstract: As the core components of grinding machine spindles, grinding wheels greatly affect the vibration levelThe unbalance vibration self-recovery regulation (UVSRR) system is proposed to suppress the vibrationResults show that the self-locking torque satisfies the actual demand, and the driving torque is increased

Keywords： UVSRR system     radial electromagnetic type     vibration suppression     performance simulation     engineering    

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Ranking of design scenarios of TMD for seismically excited structures using TOPSIS

Sadegh ETEDALI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1372-1386 doi: 10.1007/s11709-020-0671-y

Abstract: In this paper, design scenarios of a tuned mass damper (TMD) for seismically excited structures are rankedminimization of the maximum story displacement is the optimum design scenario of TMD for the seismic-excited

Keywords： seismic-excited building     TMD     optimum design     PSO     design scenario     TOPSIS    

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Self-Powered Active Vibration Control: Concept, Modeling, and Testing Article

Jin-Yang Li, Songye Zhu

Engineering 2022, Volume 11, Issue 4,   Pages 126-137 doi: 10.1016/j.eng.2021.03.022

Abstract:

Despite their superior control performance, active vibration control techniques cannot be widely usedAs an innovative solution to this problem, an unprecedented self-powered active vibration control systemThe self-powering ability of the system was confirmed based on a detailed power flow analysis of vibrationA self-powered actively controlled actuator was designed and applied to a scaled active vibration isolationThe setup and control strategy of the proposed system can be readily extended to diversified active vibration

Keywords： Self-powered active vibration control     Energy harvesting     Skyhook control     Power equilibrium     Smart control    

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Dynamic modeling and coupling characteristics of rotating inclined beams with twisted-shape sections

Jin ZENG, Chenguang ZHAO, Hui MA, Bangchun WEN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 374-389 doi: 10.1007/s11465-019-0580-8

Abstract: effect of the elastic-support boundary and the quantification of modal coupling degree among different vibrationConsidering these deficiencies, this study established a coupled flapwise–chordwise–axial–torsional dynamiceffects of setting and pre-twisted angles on the degree of coupling among flapwise, chordwise, and torsionalResults showed that 1) the appearance of torsional vibration originates from the combined effect of flapwise–torsionaland chordwise–torsional couplings dependent on the Coriolis effect, and that 2) the flapwise–chordwise

Keywords： elastic-support boundary     pre-twisted beam     semi-analytic method     modal strain energy ratio     torsional vibration    

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Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 163-175 doi: 10.1007/s11709-014-0272-8

Abstract: This paper presents an investigation on the flexural-torsional buckling behavior of aluminum alloy beamsunder concentrated loads, the failure pattern, load-deformation curves, bearing capacity and flexural-torsionalIt is found that all the beam specimens collapsed in the flexural-torsional buckling with excessive deformationMoreover, the span, loading location and slenderness ratio influence the flexural-torsional bucklingSecondly, besides the experiments, a finite element method (FEM) analysis on the flexural-torsional buckling

Keywords： flexural-torsional buckling     aluminum alloy beams (AAB)     finite element method (FEM)     theoretical formula    

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Equivalent circuit and characteristic simulation of a brushless electrically excited synchronous wind

Hao WANG, Fengge ZHANG, Tao GUAN, Siyang YU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 420-426 doi: 10.1007/s11465-017-0439-9

Abstract:

A brushless electrically excited synchronous generator (BEESG) with a hybrid rotor is a novel electricallyexcited synchronous generator.

Keywords： wind power     brushless electrically excited synchronous generator     hybrid rotor     equivalent circuit    

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Title Author Date Type Operation

Mechanism of self-excited torsional vibration of locomotive driving system

Jianxin LIU, Huaiyun ZHAO, Wanming ZHAI

Journal Article

Analysis and control of wind-driven self-excited induction generators connected to the grid through power

S. Senthil KUMAR, N. KUMARESAN, N. Ammasai GOUNDEN, Namani RAKESH

Journal Article

Comparisons of bridges flutter derivatives and generalized ones

Fuyou XU , Zhe ZHANG , Cailiang HUANG , Airong CHEN ,

Journal Article

Advances in Investigation and Application of Self-resonating Cavitating Water Jet

Li Gensheng,Shen Zhonghou,Zhou Changshan,Zhang Debin,Liao Hualin

Journal Article

Experimental study of modal parameter identification in a simulated ambient-excited structure

JI Xiaodong, QIAN Jiaru, XU Longhe

Journal Article

Hole quality in longitudinal–torsional coupled ultrasonic vibration assisted drilling of carbon fiber

Guofeng MA, Renke KANG, Zhigang DONG, Sen YIN, Yan BAO, Dongming GUO

Journal Article

Control of wind-induced vibration of long-span bridges and tall buildings

GU Ming

Journal Article

Sensitivity analysis of torsional vibration behavior of the shafting of a turbo generator set to changes

XIE Danmei, ZHANG Hengliang, DONG Chuan, LIU Zhanhui, YANG Changzhu

Journal Article

Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Journal Article

Radial electromagnetic type unbalance vibration self-recovery regulation system for high-end grinding

Journal Article

Ranking of design scenarios of TMD for seismically excited structures using TOPSIS

Sadegh ETEDALI

Journal Article

Self-Powered Active Vibration Control: Concept, Modeling, and Testing

Jin-Yang Li, Songye Zhu

Journal Article

Dynamic modeling and coupling characteristics of rotating inclined beams with twisted-shape sections

Jin ZENG, Chenguang ZHAO, Hui MA, Bangchun WEN

Journal Article

Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Journal Article

Equivalent circuit and characteristic simulation of a brushless electrically excited synchronous wind

Hao WANG, Fengge ZHANG, Tao GUAN, Siyang YU

Journal Article