Wenhu Huang

Harbin Institute of Technology

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Chao Hu

Yangtze University

Fengming Li

Xinjiang Agricultural University

Dengqing Cao

Harbin Institute of Technology

Minqiang Xu

Harbin University of Science and Technology

Yongbo Li

Northwestern Polytechnical University

Bo Fang

Harbin Institute of Technology

Yue‐Sheng Wang

Kunming Medical University

Kikuo KISHIMOTO

Tokyo Institute of Technology

Xue-Qian Fang

Dongguan University of Technology

Chunchuan Liu

Harbin Engineering University

Cooperative Institutions

Harbin Institute of Technology

Heilongjiang Institute of Technology

Chinese Academy of Sciences

Zhejiang University

Sichuan University

Northwestern Polytechnical University

Harbin Engineering University

Chongqing University

Shanghai Jiao Tong University

University of Electronic Science and Technology of China

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Research of data packet transmission based on SMS services

International Conference on Image Analysis and Signal Processing (2011)

Wenhu Huang Shijue Zheng Ping Zhang

Sensors placed in a natural environment produce a series of analog signals when they are affected by the surroundings. The AD (Analog-to-Digital) converters change the signals into digital ones, then we can packet the digital signals and transmit them based on SMS (Short Messaging Service). In this paper, AD conversion and the transmitting of digital signals are analyzed and discussed, especially for the process of the packeting the signals. Finally, we put forward a kind of optimization grouping scheme of information, and achieved satisfactory results.

Digital data

10.1109/iasp.2011.6109106

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Citations (0)

Application of the Method of Reverberation Ray Matrix to the Early Short Time Transient Responses of Stiffened Laminated Composite Plates

Journal of Applied Mechanics (2012)

Fengming Li Chunchuan Liu Sheng Shen Wenhu Huang

The method of reverberation ray matrix (MRRM) is extended to research the transient wave propagation and early short time transient responses of the stiffened laminated composite plates subjected to impact loads. The rib-stiffened laminated plates are modeled as the coupling systems in which the flexural motion for the laminated plate is considered, and the flexural and torsional motions are taken into account for the laminated stiffeners, which are modeled as the beams. The dynamic models of the laminated plates and beams in the Laplace phase space are established based on the first order shear deformation theory (FSDT). The reverberation ray matrix is determined by the continuous and boundary conditions of the stiffened laminated plate. The transient response corresponding to each ray group is calculated by the FFT algorithm. From the numerical results, it is seen that the early short time transient accelerations of the stiffened laminated plates are very large, while the early short time transient displacements are very small. Furthermore, the influences of the stiffeners and different impulse signals on the early short time transient responses of the stiffened laminated plates are also studied.

Transient (computer programming)

Composite plate

10.1115/1.4006238

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Citations (12)

Bearing fault diagnosis based on adaptive mutiscale fuzzy entropy and support vector machine

Journal of Vibroengineering (2015)

Yongbo Li Minqiang Xu Yu Wei Wenhu Huang

This paper proposes a new rolling bearing fault diagnosis method based on adaptive multiscale fuzzy entropy (AMFE) and support vector machine (SVM). Unlike existing multiscale Fuzzy entropy (MFE) algorithms, the scales of AMFE method are adaptively determined by using the robust Hermite-local mean decomposition (HLMD) method. AMFE method can be achieved by calculating the Fuzzy Entropy (FuzzyEn) of residual sums of the product functions (PFs) through consecutive removal of high-frequency components. Subsequently, the obtained fault features are fed into the multi-fault classifier SVM to automatically fulfill the fault patterns recognition. The experimental results show that the proposed method outperforms the traditional MFE method for the nonlinear and non-stationary signal analysis, which can be applied to recognize the different categories of rolling bearings.

Source

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Citations (7)

An improvement EMD method based on the optimized rational Hermite interpolation approach and its application to gear fault diagnosis

Measurement (2014)

Yongbo Li Minqiang Xu Wei Yu Wenhu Huang

Hermite interpolation

Interpolation

Envelope (radar)

Monotone cubic interpolation

Cubic Hermite spline

10.1016/j.measurement.2014.12.021

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Citations (117)

Explicit analytical solution of a pendulum with periodically varying length

European Journal of Physics (2010)

Tianzhi Yang Bo Fang Song Li Wenhu Huang

A pendulum with periodically varying length is an interesting physical system. It has been studied by some researchers using traditional perturbation methods (for example, the averaging method). But due to the limitation of the conventional perturbation methods, the solutions are not valid for long-term prediction of the pendulum. In this paper, we use the homotopy analysis method to explore the approximate solution to this system. The method can easily self-adjust and control the convergence region. By applying the method to the governing equation of the pendulum, we obtain the approximation solution in a closed form. It is shown by the numerical method that the homotopy analysis method supplies a more accurate analytical solution for predicting the long-term behaviour of the pendulum. We believe that this system may be a good example for undergraduate and graduate students for better understanding of nonlinear oscillations.

Pendulum

10.1088/0143-0807/31/5/011

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Citations (8)

Flexural wave propagation in narrow Mindlin’s plate

Applied Mathematics and Mechanics (2006)

Chao Hu Gang Han Xue-Qian Fang Wenhu Huang

Eigenfunction

Dispersion relation

Cut-off

Plate theory

10.1007/s10483-006-0610-y

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Citations (1)

Band gap behaviours of periodic magnetoelectroelastic composite structures with Kagome lattices

Waves in Random and Complex Media (2009)

Yi-Ze Wang Fengming Li Kikuo KISHIMOTO Yue‐Sheng Wang Wenhu Huang

Abstract In this paper, the elastic wave propagation in periodic cylinder magnetoelectroelastic composite structures is studied using the plane wave expansion method. The band structure characteristics of magnetoelectroelastic rods embedded in polymer matrix and the reverse case are investigated taking the electric, magnetic and mechanical coupling effects into account. The generalised eigenvalue equation is derived to analyse the in-plane and out-of-plane modes, respectively. The numerical calculations for both the cases with Kagome lattices are performed. The relation between the gap widths and filling fractions are discussed in detail. The effects of the magnetoelectricity on the band structures and widths of band gaps are analysed. The band gap characteristics are illustrated further and the results will be helpful to design such kind of composite structures. Acknowledgements The authors wish to express gratitude for the supports provided by the National Natural Science Foundation of China under Grant nos. 10672017 and 10632020 for this research work. Feng-Ming Li would like to acknowledge the supports provided by the China Postdoctoral Science Foundation, the Heilongjiang Province Postdoctoral Science Foundation and the Japan Society for the Promotion of Science (JSPS) to perform research work at Tokyo Institute of Technology, Japan.

Foundation (evidence)

10.1080/17455030902801621

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Citations (12)

Dynamic characteristics analysis for a quasi-zero-stiffness system coupled with mechanical disturbance

Archive of Applied Mechanics (2020)

Xiaohan Zhang Qingjie Cao Wenhu Huang

Isolator

Transmissibility (structural dynamics)

10.1007/s00419-020-01832-x

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Citations (8)

An improved EMD method for fault diagnosis of rolling bearing

Yongbo Li Minqiang Xu Wenhu Huang Ming J. Zuo Li‐Bin Liu

Empirical mode decomposition (EMD) is powerful in analyzing the vibration signals of bearings. However, the accuracy of its decomposition result is heavily dependent on the choice of envelope interpolation algorithms. In this paper, we propose a bandwidth method to select the envelope in EMD called bandwidth based EMD (BEMD). Since there is an optimization process in envelope selection, the scale mixing problem caused by envelope interpolation can be significantly weakened. The proposed BEMD method is demonstrated to be effective in rolling bearing fault diagnosis by comparing with existing improved EMD.

Envelope (radar)

Interpolation

10.1109/phm.2016.7819842

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Citations (13)

Elastic wave band gaps in magnetoelectroelastic phononic crystals

Wave Motion (2008)

Yi-Ze Wang Fengming Li Kikuo KISHIMOTO Yue‐Sheng Wang Wenhu Huang

Square lattice

Lattice (music)

Plane wave expansion

Hexagonal Lattice

10.1016/j.wavemoti.2008.08.001

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Citations (90)