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Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic foundation with elastically restrained ends

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 191-202 doi: 10.1007/s11465-014-0293-y

Abstract: After governing the equations of motion, the differential transform method (DTM) has been served to determineDTM is a semi-analytical approach based on Taylor expansion series that converts differential equations

Keywords： free vibration     cracked beam     elastic foundation     restrained ends     differential transform method    

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Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Frontiers in Energy   Pages 782-795 doi: 10.1007/s11708-023-0905-8

Abstract: The traditional centralized control method of the distribution network has the problem of low efficiencyTo address the problems, this paper proposes a cluster voltage control method for distributed photovoltaicstrategy of “reactive power compensation first, active power curtailment later,” it employs an improved differentialSimulation results in two different distribution systems show that the proposed method not only greatly

Keywords： distributed photovoltaics (DPVs)     cluster partitioning     improved differential evolution algorithm     voltage    

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A combination of damage locating vector method (DLV) and differential evolution algorithm (DE) for structural

T. NGUYEN-THOI, A. TRAN-VIET, N. NGUYEN-MINH, T. VO-DUY, V. HO-HUU

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 92-108 doi: 10.1007/s11709-016-0379-1

Abstract: In this study, a two-stage method is presented for identifying multiple damage scenarios.In the first stage, the damage locating vector (DLV) method using normalized cumulative energy ( ) isIn the second stage, the differential evolution algorithm (DE) is used for damage severity of the structures

Keywords： damage assessment     damage locating vector method (DLV)     differential evolution (DE)     multiple damage location    

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Solving nonlinear differential equations of Vanderpol, Rayleigh and Duffing by AGM

M. R. AKBARI,D. D. GANJI,A. MAJIDIAN,A. R. AHMADI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 177-190 doi: 10.1007/s11465-014-0288-8

Abstract:

In the present paper, three complicated nonlinear differential equations in the field of vibrationare Vanderpol, Rayleigh and Duffing equations, have been analyzed and solved completely by Algebraic MethodThis issue will be emerged after comparing the achieved solutions by numerical method (Runge-Kutte 4thBased on the comparisons which have been made between the gained solutions by AGM and numerical method, it is possible to indicate that AGM can be successfully applied for various differential equations

Keywords： Algebraic Method (AGM)     Angular Frequency     Vanderpol     Rayleigh     Duffing    

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HHT-based crack identification method for start-up rotor

Bing LI, Chunlin ZHANG, Zhengjia HE

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 300-304 doi: 10.1007/s11465-012-0328-1

Abstract:

This paper presents a crack identification method for start-up rotor based on the Hilbert-Huang transformWith this method, the instantaneous frequency (IF) of each intrinsic mode function is obtained throughthe Hilbert transform, and the spectrum of IF is calculated accordingly.The results of the experiment show that HHT is a better tool for crack detection than fast Fourier transform

Keywords： cracked rotor     start-up     Hilbert-Huang transform (HHT)    

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Identification of faults through wavelet transform vis-à-vis fast Fourier transform of noisy vibration

Deepak PALIWAL,Achintya CHOUDHURY,T. GOVANDHAN

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 130-141 doi: 10.1007/s11465-014-0298-6

Abstract: For this purpose, the performances of envelope detection with fast Fourier transform (FFT) and continuouswavelet transform (CWT) of vibration signals produced from a bearing with defects on inner race and

Keywords： Fault detection     spline wavelet     continuous wavelet transform     fast Fourier transform    

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Dynamics of structural systems with various frequency-dependent damping models

Li LI,Yujin HU,Weiming DENG,Lei LÜ,Zhe DING

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 48-63 doi: 10.1007/s11465-015-0330-5

Abstract: Both the mode superposition method and Fourier transform method are developed for calculating the dynamicAlso, based on the pseudo-force approach, we transform the original equations of motion with nonzeroinitial conditions into an equivalent one with zero initial conditions and therefore present a Fourier transformmethod for the dynamics of structural systems with various damping models.

Keywords： damping     viscoelasticity     dynamic analysis     mode superposition method     Fourier transform method    

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A reversibility-gain model for integer Karhunen-Loève transform design in video coding

Xing-guo ZHU,Lu YU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 10,   Pages 883-891 doi: 10.1631/FITEE.1500071

Abstract: Karhunen-Loève transform (KLT) is the optimal transform that minimizes distortion at a given bit allocationthe ‘reversibility’ is modeled according to distortion analysis in using forward and inverse integer transformIt not only measures how invertible a transform is, but also bounds the distortion introduced by thenon-orthonormal integer transform process.The ‘gain’ means transform coding gain (TCG), which is a widely used criterion for transform design in

Keywords： Integer transform     Karhunen-Loè     ve transform (KLT)     Integer-KLT     Transform coding     Video coding    

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Analytical and numerical investigation into the longitudinal vibration of uniform nanotubes

Masoud MASOUMI,Mehdi MASOUMI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 142-149 doi: 10.1007/s11465-014-0292-z

Abstract: Furthermore, differential quadrature method, as a numerical solution technique, is used to study the

Keywords： continuum theory     differential quadrature method     nanorod     longitudinal vibration    

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Analyzing the nonlinear vibrational wave differential equation for the simplified model of Tower Cranesby Algebraic Method

M.R. AKBARI,D.D. GANJI,A.R. AHMADI,Sayyid H. Hashemi KACHAPI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 1,   Pages 58-70 doi: 10.1007/s11465-014-0289-7

Abstract: equation governing on the presented system in three different cases by Algebraic Method (AGM).It is citable that there are some valuable advantages in this way of solving differential equations andalso the answer of various sets of complicated differential equations can be achieved in this mannerThe simplification of the solution procedure in Algebraic Method and its application for solving a widevariety of differential equations not only in Vibrations but also in different fields of study such

Keywords： Algebraic Method (AGM)     tower crane     oscillating system     angular frequency    

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Analytical method of capsizing probability in the time domain for ships in the random beam seas

LIU Liqin, TANG Yougang, LI Hongxia

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 361-366 doi: 10.1007/s11709-007-0048-5

Abstract: The nonlinear differential equation of the rolling motion of ships in random beam seas was establishedThe random rolling differential equation was solved in the time domain by applying the harmonic accelerationmethod and by synthetically considering the instantaneous state of ships and the narrowband wave energythe survival probabilities of ships in random seas can be predicted quantitatively by the proposed method

Keywords： different     survival probability     different significant     nonlinear differential     narrowband    

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Study on online monitoring method for flood discharge structure damage based on Hilbert-Huang Transform

Lian Jijian,Li Chengye,Liu Fang,Ma Bin

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 38-44

Abstract: Therefore, it's very important to study the online monitoring method for flood discharge.advantages of HHT in instantaneous characteristics analysis and signal processing, an online monitoring method

Keywords： flood discharge structure     Hilbert-Huang Transform     the energy distribution vector     anomaly index     warning    

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Tuned reactive power dispatch through modified differential evolution technique

S. BISWAS (RAHA), N. CHAKRABORTY

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 138-147 doi: 10.1007/s11708-012-0188-8

Abstract: This paper explores the capability of modified differential evolution (MDE) technique for solving theThe proposed method is based on the basic differential evolution (DE) technique with a few modificationsstudy with other soft-computing technique including DE validates the effectiveness of the proposed method

Keywords： reactive power dispatch (RPD)     modified differential evolution (MDE)     differential evolution algorithm    

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Review of MEMS differential scanning calorimetry for biomolecular study

Shifeng YU, Shuyu WANG, Ming LU, Lei ZUO

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 526-538 doi: 10.1007/s11465-017-0451-0

Abstract:

Differential scanning calorimetry (DSC) is one of the few techniques that allow direct determination

Keywords： differential scanning calorimetry     biomolecule     MEMS     thermodynamic    

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Multi-agent differential game based cooperative synchronization control using a data-driven method Research Article

Yu SHI, Yongzhao HUA, Jianglong YU, Xiwang DONG, Zhang REN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 7,   Pages 1043-1056 doi: 10.1631/FITEE.2200001

Abstract: A systematized formulation and analysis method for the multi-agent is proposed and a methodology basedAn equivalent parallel RL method is constructed corresponding to this Nash solution.

Keywords： Multi-agent system     Differential game     Synchronization control     Data-driven     Reinforcement learning    

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Title Author Date Type Operation

Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic foundation with elastically restrained ends

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Journal Article

Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Journal Article

A combination of damage locating vector method (DLV) and differential evolution algorithm (DE) for structural

T. NGUYEN-THOI, A. TRAN-VIET, N. NGUYEN-MINH, T. VO-DUY, V. HO-HUU

Journal Article

Solving nonlinear differential equations of Vanderpol, Rayleigh and Duffing by AGM

M. R. AKBARI,D. D. GANJI,A. MAJIDIAN,A. R. AHMADI

Journal Article

HHT-based crack identification method for start-up rotor

Bing LI, Chunlin ZHANG, Zhengjia HE

Journal Article

Identification of faults through wavelet transform vis-à-vis fast Fourier transform of noisy vibration

Deepak PALIWAL,Achintya CHOUDHURY,T. GOVANDHAN

Journal Article

Dynamics of structural systems with various frequency-dependent damping models

Li LI,Yujin HU,Weiming DENG,Lei LÜ,Zhe DING

Journal Article

A reversibility-gain model for integer Karhunen-Loève transform design in video coding

Xing-guo ZHU,Lu YU

Journal Article

Analytical and numerical investigation into the longitudinal vibration of uniform nanotubes

Masoud MASOUMI,Mehdi MASOUMI

Journal Article

Analyzing the nonlinear vibrational wave differential equation for the simplified model of Tower Cranesby Algebraic Method

M.R. AKBARI,D.D. GANJI,A.R. AHMADI,Sayyid H. Hashemi KACHAPI

Journal Article

Analytical method of capsizing probability in the time domain for ships in the random beam seas

LIU Liqin, TANG Yougang, LI Hongxia

Journal Article

Study on online monitoring method for flood discharge structure damage based on Hilbert-Huang Transform

Lian Jijian,Li Chengye,Liu Fang,Ma Bin

Journal Article

Tuned reactive power dispatch through modified differential evolution technique

S. BISWAS (RAHA), N. CHAKRABORTY

Journal Article

Review of MEMS differential scanning calorimetry for biomolecular study

Shifeng YU, Shuyu WANG, Ming LU, Lei ZUO

Journal Article

Multi-agent differential game based cooperative synchronization control using a data-driven method

Yu SHI, Yongzhao HUA, Jianglong YU, Xiwang DONG, Zhang REN

Journal Article