Updated on 2026/04/21

写真a

 
SAITO AKIRA
 
Organization
Undergraduate School School of Science and Technology Associate Professor
Title
Associate Professor
Homepage
http://www.isc.meiji.ac.jp/~asaito/en/
External link

Degree

  • Ph.D. ( 2009.5   University of Michigan, Ann Arbor )

  • M.S. ( 2004.12   University of Michigan, Ann Arbor )

  • 学士 ( 2003.3   慶應義塾大学 )

Research Interests

  • Structural Dynamics

  • Vibration

  • Structural Dynamics

  • Vibration

  • Experimental Modal Analysis

  • Nonlinear Dynamics

  • Experimental Modal Analysis

  • Nonlinear Dynamics

  • FEM

Research Areas

  • Informatics / Mechanics and mechatronics

  • Informatics / Computational science

Education

  • University of Michigan, Ann Arbor   Department of Mechanical Engineering

    2005.1 - 2009.5

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  • University of Michigan, Ann Arbor   Department of Mechanical Engineering

    2003.9 - 2004.12

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  • Keio University   Faculty of Science and Engineering   Department of Mechanical Engineering

    1999.4 - 2003.3

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    Country/Region： Japan

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Research History

  • Meiji University   Associate Professor

    2022.4

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  • Meiji University   Department of Mechanical Engineering   Lecturer   Senior Assistant Professor

    2017.4 - 2022.3

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  • Toyota Central R&D Labs., Inc.   Researher

    2010.4 - 2017.3

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  • University of Michigan, Ann Arbor   Researher Postdoc   Postdoctoral Research Fellow

    2009.1 - 2010.3

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  • University of Michigan, Ann Arbor   Graduate Student Instructor

    2007.9 - 2007.12

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  • University of Michigan, Ann Arbor   Researher Postdoc   Graduate Student Research Assistant

    2005.1 - 2008.12

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Professional Memberships

  • International Society for Structural and Multidisciplinary Optimization (ISSMO)

    2015.6

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  • Japan Computational Society for Engineering and Science

    2015.5

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  • Japan Society of Mechanical Engineers

    2013.7

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  • American Institute of Aeronautics and Astronautics (AIAA)

    2007.8 - 2011.5

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  • American Society of Mechanical Engineers (ASME)

    2007.6

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Committee Memberships

  • 日本機械学会   機械力学・計測制御部門 運営委員  

    2021.4   

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    Committee type：Academic society

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  • American Society of Mechanical Engineers (ASME)   Member of Technical Committee on Vibration and Sound  

    2020.4 - 2024.3   

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    Committee type：Academic society

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  • 日本機械学会   計算力学技術者資格認定事業委員会 振動分野WG委員  

    2017.4   

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    Committee type：Academic society

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Papers

  • Sparse stability diagrams of LSCF method via strategic pole destabilization using orthogonal matching pursuit Reviewed

    Shogo Shimada, Akira Saito

    Mechanical Systems and Signal Processing   252   114278 - 114278   2026.5

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.ymssp.2026.114278

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  • On the Modal Characteristics of Motor Stators under Different Interlaminate Fastening Conditions Reviewed

    Masami Matsubara, Akira Saito, Shogo Shimada, Taizan Oishi, Kohei Furuya, Shozo Kawamura, Daiki Tajiri

    SAE International Journal of Electrified Vehicles   15 ( 1 )   2026.2

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：SAE International  

    <div>The increasing demand for quiet and efficient electric vehicles has highlighted the importance of understanding vibration and noise characteristics of motor stators. Previous studies have extensively modeled electromagnetic excitation and laminated structures, but there has been little experimental evidence clarifying how different interlaminate fastening methods affect vibration modes under comparable conditions. This knowledge gap limits the ability to optimize fastening strategies for noise and vibration control in practical motor design. In this study, laminated stator cores were fabricated with different fastening conditions—bolting, clinching, and welding—and subjected to vibration testing and experimental modal analysis. Natural frequencies, damping ratios, and mode shapes were identified for torsional, circumferential, and breathing modes. The results revealed that the in-plane torsional natural frequencies increase with bolt axial force, while clinching provides additional resistance to interlaminate movement but shows only a minor dependence on the number of clinching points. In contrast, the circumferential modes and the breathing-type (0,0) mode remain largely unaffected by these fastening variations. Welding points did not exhibit a consistent trend across the tested conditions, indicating that their influence on the modal properties is less systematic compared with bolting and clinching. The findings contribute not only to fundamental understanding of laminated stack vibration behavior but also to practical guidelines for designing fastening strategies that enhance vibration robustness and acoustic performance in automotive electric motors.</div>

    DOI： 10.4271/14-15-01-0005

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  • Short-time dynamic mode decomposition: a data-driven forced response analysis of nonlinear systems under swept-sine excitation Reviewed

    Hideaki Namiki, Akira Saito

    Nonlinear Dynamics   113 ( 24 )   33109 - 33126   2025.9

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

    Abstract

    Recently, data-driven approaches to predict the dynamical properties of nonlinear dynamical systems have become popular in the field of structural dynamics. Dynamic mode decomposition with control (DMDc) is an application of dynamic mode decomposition (DMD) to dynamical systems with control terms, which can now be applied to systems that receive external input. In this paper, we propose short-time dynamic mode decomposition (STDMD), which represents the spatio-temporal characteristics of a system by means of operators constructed for each short-time domain with a time window for swept external input and their state snapshot pairs. Based on the physical properties obtained, the time response and the frequency response of the system during steady-state vibration are clarified when the system is time evolved by external input data under conditions different from those used to construct the DMDc and STDMD models. As a numerical analysis, a forced vibration system by mass-spring-damper system that can be expressed by the Duffing equation is used. First, as in general studies, time evolution of the system was attempted using the same external force data as the external input used for model construction. Next, snapshots of the system under harmonic excitation were used for DMD model construction, and the time history and frequency responses were investigated using external input data under harmonic excitation at different frequencies for time evolution. Finally, data from the system undergoing swept sine excitation were used for model construction, and harmonic excitation data at each frequency within the sweep range were used for time evolution. Prediction of the time and frequency responses by ordinary DMDc was a linear approach that was able to represent nonlinear characteristics, but prediction became difficult when the nonlinearity was strong. On the other hand, the frequency response obtained by STDMD has been shown to be able to represent nonlinear characteristics such as jump phenomenon and hysteresis, even for systems with strong nonlinearities.

    DOI： 10.1007/s11071-025-11751-7

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    Other Link： https://link.springer.com/article/10.1007/s11071-025-11751-7/fulltext.html

  • Effects of Rotated Stacking, Bolts, and Bonded Regions on Modal Parameters of Bonded Stator Cores of Electric Machines Reviewed

    Akira Saito, Hayato Maeba, Masami Matsubara, Kohei Furuya

    IEEE Transactions on Energy Conversion   40 ( 3 )   2375 - 2383   2025.9

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    Authorship：Lead author,　Corresponding author   Publishing type：Research paper (scientific journal)   Publisher：Institute of Electrical and Electronics Engineers (IEEE)  

    DOI： 10.1109/tec.2025.3550914

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  • Tire vibration analysis of three-dimensional flexible ring with brush model under static contact conditions by using frequency-based substructuring Reviewed International journal

    Masami Matsubara, Akira Saito, Chang Po-Siang, Shozo Kawamura

    Archive of Applied Mechanics   95   2024.11

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer  

    <jats:title>Abstract</jats:title>
    <jats:p>The use of a simplified physical model of the tire of road vehicles is an efficient and simultaneous method to study the specifications of the entire chassis, including the tire specifications. Therefore, it is important to develop a simplified physical model that can be used in the early design phase when detailed computer-aided design data are not available. In this study, a vibration analysis of tires in road contact is described using frequency-based substructuring in a three-dimensional elastic ring model of a tire that includes a brush model simulating the tread rubber. By modeling the brush as a contact spring between the tire and the road surface, the natural frequencies and mode shapes of the tire under load conditions can be calculated using point-coupled three-way contact spring constraints. The experimental results show that the natural frequency changes significantly with road contact and does not depend on the vertical load. The theoretical analysis also showed that the natural frequency does not change when the stiffness of the contact spring is large enough to limit the displacement of the road contact, which is consistent with the experimental results. Unlike previous studies, this method calculates the mode shape with road contact based on the mode shape without road contact; therefore, the required model parameters can be determined based on the experimental modal analysis for the free-free condition.</jats:p>

    DOI： 10.1007/s00419-024-02725-z

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  • Sound synthesis of drums based on modal representation of transfer functions Reviewed International journal

    Marisa Nagata, Akira Saito

    Journal of Vibration and Control   31 ( 15-16 )   3438 - 3449   2024.8

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1177/10775463241272937

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  • Re-designing strategy to enable a sub-system to function as a dynamic vibration absorber Reviewed International journal

    Masami Matsubara, Kohei Takahashi, Kohei Furuya, Akira Saito, Shozo Kawamura

    Journal of Vibration and Control   2024.8

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1177/10775463241272924

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  • Data-Driven Initial Gap Identification of Piecewise-Linear Systems Using Sparse Regression and Universal Approximation Theorem Reviewed International journal

    Ryosuke Kanki, Akira Saito

    Journal of Computational and Nonlinear Dynamics   19 ( 6 )   061003   2024.6

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：ASME  

    <jats:title>Abstract</jats:title>
    <jats:p>This paper proposes a method for identifying an initial gap in piecewise-linear (PWL) systems from data. Piecewise-linear systems appear in many engineered systems such as degraded mechanical systems and infrastructures and are known to show strong nonlinearities. To analyze the behavior of such piecewise-linear systems, it is necessary to identify the initial gap, at which the system behavior switches. The proposed method identifies the initial gap by discovering the governing equations using sparse regression and calculating the gap based on the universal approximation theorem. A key step to achieve this is to approximate a piecewise-linear function by a finite sum of piecewise-linear functions in sparse regression. The equivalent gap is then calculated from the coefficients of the multiple piecewise-linear functions and their respective switching points in the obtained equation. The proposed method is first applied to a numerical model to confirm its applicability to piecewise-linear systems. Experimental validation of the proposed method has then been conducted with a simple mass-spring-hopping system, where the method successfully identifies the initial gap in the system with high accuracy.</jats:p>

    DOI： 10.1115/1.4065440

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  • Data-driven model order reduction for structures with piecewise linear nonlinearity using dynamic mode decomposition Reviewed International journal

    Akira Saito, Masato Tanaka

    Nonlinear Dynamics   111   20597 - 20616   2023.10

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s11071-023-08958-x

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  • Damage identification based on topology optimization and Lasso regularization Reviewed International journal

    Ryo Sugai, Akira Saito, and Hidetaka Saomoto

    Archive of Applied Mechanics   98   3827 - 3850   2023.6

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s00419-023-02464-7

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  • Damage identification using noisy frequency response functions based on topology optimization Reviewed International journal

    Akira Saito, Ryo Sugai, Zhongxu Wang, and Hidetaka Saomoto

    Journal of Sound and Vibration   545   117412-1 - 117412   2023.2

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier {BV}  

    DOI： 10.1016/j.jsv.2022.117412

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  • Bilinear Systems with Initial Gaps Involving Inelastic Collision: Forced Response Experiments and Simulations Reviewed International coauthorship International journal

    Kohei Noguchi, Akira Saito, Meng-Hsuan Tien, Kiran D’Souza

    Journal of Vibration and Acoustics   144 ( 2 )   021001 - 021001   2022.4

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：{ASME} International  

    <jats:title>Abstract</jats:title>
    <jats:p>In this paper, the forced response of a two degrees-of-freedom (DOF) bilinear oscillator with initial gaps involving inelastic collision is discussed. In particular, a focus is placed upon the experimental verification of the generalized bilinear amplitude approximation (BAA) method, which can be used for the accurate estimation of forced responses for bilinear systems with initial gaps. Both experimental and numerical investigations on the system have been carried out. An experimental setup that is capable of representing the dynamics of a 2DOF oscillator has been developed, and forced response tests have been conducted under swept-sine base excitation for different initial gap sizes. The steady-state response of the system under base excitation was computed by both traditional time integration and BAA. It is shown that the results of experiments and numerical predictions are in good agreement especially at resonance. However, slight differences in the responses obtained from both numerical methods are observed. It was found that the time duration where the DOFs are in contact with each other predicted by BAA is longer than that predicted by time integration. Spectral analyses have also been conducted on both experimental and numerical results. It was observed that in a frequency range where intermittent contact between the masses occurs, super-harmonic components of the excitation frequency are present in the spectra. Moreover, as the initial gap size increases, the frequency band where the super-harmonic components are observed decreases.</jats:p>

    DOI： 10.1115/1.4051493

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  • Estimation of modal parameters by using the ratios of imaginary to real parts of frequency response functions Reviewed International journal

    Masami Matsubara, Akira Saito and Shozo Kawamura

    Archive of Applied Mechanics   91 ( 3 )   1179 - 1191   2021.3

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s00419-020-01817-w

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  • Data-driven experimental modal analysis by Dynamic Mode Decomposition Reviewed International journal

    Akira Saito and Tomohiro Kuno

    Journal of Sound and Vibration   481   115434   2020.9

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier  

    DOI： 10.1016/j.jsv.2020.115434

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  • Dynamic Characteristics of Plastic Plates With Bolted Joints Reviewed International journal

    Akira Saito and Hideyoshi Suzuki

    Journal of Vibration and Acoustics   142 ( 1 )   011002-1 - 011002-7   2020.2

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：ASME  

    <jats:title>Abstract</jats:title>
    <jats:p>This paper discusses the dynamic characteristics of plastic plates with bolted joints. The effects of tightening torque on the modal properties of the plates are investigated. Experimental and numerical modal analyses have been conducted on the plates made of acrylonitrile butadiene styrene (ABS), that are clamped by bolted joints. First, the effect of tightening torque on the vibration mode of the plates is investigated by experimental modal analyses. Modal testing has been conducted for various tightening torque values, and the relationships between the modal parameters and the tightening torques are discussed. Second, the effects of tightening torque on the vibration mode are studied by using analytical models for the bolted joints based on the finite element method (FEM). Based on the comparisons between the experimental and the numerical results, a modeling strategy for the boundary conditions between the plates is introduced and its validity is discussed. From both experimental and numerical studies, it is shown that the natural frequencies of the structures with bolted joints tend to converge to specific values as tightening torque increases. Moreover, it is also shown that when modeling the bolted plates by FEM, the inter-plate motion should be constrained by a boundary condition to properly suppress the out-of-phase motion of the plates.</jats:p>

    DOI： 10.1115/1.4044865

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  • Nonlinear Resonances of Chains of Thin Elastic Beams With Intermittent Contact Reviewed International journal

    Akira Saito

    Journal of Computational and Nonlinear Dynamics   13 ( 8 )   081005-1 - 081005-10   2018.8

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：The American Society of Mechanical Engineers  

    DOI： 10.1115/1.4040540

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  • Effects of Magnetostriction on Electromagnetic Motor Vibration at Sideband Frequencies Reviewed

    Masakatsu Kuroishi, Akira Saito

    IEEE Transactions on Magnetics   54 ( 2 )   8200308   2018.2

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Institute of Electrical and Electronics Engineers Inc.  

    DOI： 10.1109/TMAG.2017.2761753

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  • Grayscale-free topology optimization for electromagnetic design problem of in-vehicle reactor Reviewed

    Shintaro Yamasaki, Atsushi Kawamoto, Akira Saito, Masakatsu Kuroishi, Kikuo Fujita

    STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION   55 ( 3 )   1079 - 1090   2017.3

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s00158-016-1557-4

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  • Estimation of measurement errors in orthotropic elastic moduli determined from natural frequencies Reviewed

    Akira Saito, Atsushi Kawamoto, Masakatsu Kuroishi, Hideo Nakai, Shintaro Yamasaki

    STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION   55 ( 3 )   987 - 999   2017.3

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s00158-016-1552-9

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  • Empirical Vibration Synthesis Method for Electric Machines by Transfer Functions and Electromagnetic Analysis Reviewed

    Akira Saito, Masakatsu Kuroishi, Hideo Nakai

    IEEE TRANSACTIONS ON ENERGY CONVERSION   31 ( 4 )   1601 - 1609   2016.12

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1109/TEC.2016.2565265

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  • Equivalent orthotropic elastic moduli identification method for laminated electrical steel sheets Reviewed

    Akira Saito, Yasunari Nishikawa, Shintaro Yamasaki, Kikuo Fujita, Atsushi Kawamoto, Masakatsu Kuroishi, Hideo Nakai

    MECHANICAL SYSTEMS AND SIGNAL PROCESSING   72-73   607 - 628   2016.5

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.ymssp.2015.10.027

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  • Efficient forced vibration reanalysis method for rotating electric machines Reviewed

    Akira Saito, Hiromitsu Suzuki, Masakatsu Kuroishi, Hideo Nakai

    JOURNAL OF SOUND AND VIBRATION   334 ( 6 )   388 - 403   2015.1

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.jsv.2014.09.004

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  • Detection of Cracks in Mistuned Bladed Disks Using Reduced-Order Models and Vibration Data Reviewed

    Chulwoo Jung, Akira Saito, Bogdan I. Epureanu

    JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME   134 ( 6 )   061010   2012.12

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1115/1.4007244

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  • Reduced-Order Modeling for Nonlinear Analysis of Cracked Mistuned Multistage Bladed-Disk Systems Reviewed

    Kiran D'Souza, Akira Saito, Bogdan I. Epureanu

    AIAA JOURNAL   50 ( 2 )   304 - 312   2012.2

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.2514/1.J051021

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  • Bilinear modal representations for reduced-order modeling of localized piecewise-linear oscillators Reviewed

    Akira Saito, Bogdan I. Epureanu

    JOURNAL OF SOUND AND VIBRATION   330 ( 14 )   3442 - 3457   2011.7

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.jsv.2011.02.018

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  • Node Sampling for Nonlinear Vibration Analysis of Structures with Intermittent Contact Reviewed

    Akira Saito, Bogdan I. Epureanu, Matthew P. Castanier, Christophe Pierre

    AIAA JOURNAL   48 ( 9 )   1903 - 1915   2010.9

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.2514/1.J050061

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  • Effects of a Cracked Blade on Mistuned Turbine Engine Rotor Vibration Reviewed

    Akira Saito, Matthew P. Castanier, Christophe Pierre

    JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME   131 ( 6 )   061006-1 - 061006-9   2009.12

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1115/1.4000458

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  • Estimation and veering analysis of nonlinear resonant frequencies of cracked plates Reviewed

    A. Saito, M. P. Castanier, C. Pierre

    JOURNAL OF SOUND AND VIBRATION   326 ( 3-5 )   725 - 739   2009.10

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.jsv.2009.05.009

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  • Efficient Nonlinear Vibration Analysis of the Forced Response of Rotating Cracked Blades Reviewed

    Akira Saito, Matthew P. Castanier, Christophe Pierre, Olivier Poudou

    JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS   4 ( 1 )   011005-1 - 011005-10   2009.1

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    Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1115/1.3007908

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  • Nonlinear dynamic analysis of traveling wave-type ultrasonic motors Reviewed

    Yosuke Nakagawa, Akira Saito, Takashi Maeno

    IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL   55 ( 3 )   717 - 725   2008.3

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1109/TUFFC.2008.696

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  • 進行波型超音波モータの非線形動特性解析 Reviewed

    中川洋祐, 齋藤彰, 前野隆司

    日本機械学会論文集   73 ( 727 )   708 - 715   2007.3

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    DOI： 10.1299/kikaic.73.708

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MISC

  • 固有振動モードの逆解析による損傷同定

    齋藤彰

    機械の研究   74 ( 8 )   2022.8

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    Authorship：Lead author   Language：Japanese   Publisher：養賢堂  

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Presentations

  • kCA法を用いた接地時のタイヤ振動解析

    松原 真己,齋藤 彰,Chang Po-Siang,河村 庄造

    日本機械学会 関東支部 第30期総会・講演会  2024.3  日本機械学会

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    Event date： 2024.3

    Language：Japanese   Presentation type：Oral presentation (general)  

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  • 強震観測データに対する各種強度指標の算出

    竿本英貴, 宮本崇, 齋藤彰

    第43回地震工学研究発表会  2023.9  土木学会

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    Event date： 2023.9

    Language：Japanese   Presentation type：Oral presentation (general)  

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  • Vibration Suppression by Meta-structures with a Bandgap Utilizing Periodic Surface Geometry International conference

    Kim Tae Hwan and Akira Saito

    21st Asia-Pacific Vibration Conference (APVC 2025)  2025.11 

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    Language：English   Presentation type：Oral presentation (general)  

    Venue：Auckland  

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  • Identification of Magnitude and Location of External Forces acting on Structures from Measured Acceleration Based on Kalman Filter International conference

    Takeru Oikawa and Akira Saito

    21st Asia-Pacific Vibration Conference (APVC 2025)  2025.11 

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    Language：English   Presentation type：Oral presentation (general)  

    Venue：Auckland  

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  • Data-Driven Initial Gap Identification of Two Degrees of Freedom Piecewise Linear Systems With Multiple Gaps International conference

    Akira Saito and Shota Kita

    37th Conference on Mechanical Vibration and Noise (VIB), International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC)  2025.8  ASME

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    Language：English   Presentation type：Oral presentation (general)  

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  • 円型バーチャルリアリティコントローラの慣性特性最適化

    遠藤 仁,齋藤 彰

    日本機械学会 関東学生会第64回学生員卒業研究発表講演会  2025.3  日本機械学会関東支部 関東学生会

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    Language：Japanese   Presentation type：Oral presentation (general)  

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  • Frequency Response-based Damage Identification by Topology Optimization Using Heaviside-filtering International conference

    Daiki Ogura and Akira Saito

    The 48th National Conference on Theoretical and Applied Mechanics (CTAM 2024), 2024 & The 3rd International Conference on Mechanics (3rd ICM)  2024.11 

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    Language：English   Presentation type：Oral presentation (general)  

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  • Improving the Measurement Accuracy of Out-of-Plane Deformation Using Phase-Based Motion Magnification and Stereo Digital Image Correlation International conference

    Kenta Hayashi and Akira Saito

    The 48th National Conference on Theoretical and Applied Mechanics (CTAM 2024), 2024 & The 3rd International Conference on Mechanics (3rd ICM)  2024.11 

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    Language：English   Presentation type：Oral presentation (general)  

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  • Sparse Modal Extraction from Frequency Response Functions using Orthogonal Matching Pursuit International conference

    Shogo Shimada and Akira Saito

    The 48th National Conference on Theoretical and Applied Mechanics (CTAM 2024), 2024 & The 3rd International Conference on Mechanics (3rd ICM)  2024.11 

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    Language：English   Presentation type：Oral presentation (general)  

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  • Broadband Power Generation from Energy Harvester Using Nonlinear Magnetic Repulsive Forces International conference

    Soichiro Osuga and Akira Saito

    The 48th National Conference on Theoretical and Applied Mechanics (CTAM 2024), 2024 & The 3rd International Conference on Mechanics (3rd ICM)  2024.11 

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    Language：English   Presentation type：Oral presentation (general)  

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  • Data-driven Analysis Methods for Piecewise-linear Systems International conference

    Akira Saito

    The 48th National Conference on Theoretical and Applied Mechanics (CTAM 2024), 2024 & The 3rd International Conference on Mechanics (3rd ICM)  2024.11 

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    Venue：f  

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  • Design Optimization of Piezoelectric Energy Harvesters Utilizing Cantilevered Beams with Multiple Slits, International conference

    So Miyazaki and Akira Saito

    The 48th National Conference on Theoretical and Applied Mechanics (CTAM 2024), 2024 & The 3rd International Conference on Mechanics (3rd ICM)  2024.11 

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  • Frequency Response Analysis of Nonlinear Systems Using Dynamic Mode Decomposition with Control International conference

    Hideaki Namiki and Akira Saito

    The 48th National Conference on Theoretical and Applied Mechanics (CTAM 2024), 2024 & The 3rd International Conference on Mechanics (3rd ICM)  2024.11 

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  • Sparse Representations of Frequency Response Functions applied to Experimental Modal Analysis International conference

    Shogo Shimada and Akira Saito

    the 17th International Conference on Motion and Vibration Control (MoViC 2024) and the 20th Asia-Pacific Vibration Conference (APVC2024)  2024.8 

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    Venue：Tokyo, Japan  

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  • Data-driven vibration analysis of nonlinear systems using extended dynamic mode decomposition International conference

    Hideaki Namiki and Akira Saito

    the 17th International Conference on Motion and Vibration Control (MoViC 2024) and the 20th Asia-Pacific Vibration Conference (APVC2024)  2024.8 

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    Venue：Tokyo, Japan  

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  • Nonlinear resonance of an energy harvester using magnetic repulsive forces International conference

    Soichiro Osuga and Akira Saito

    the 17th International Conference on Motion and Vibration Control (MoViC 2024) and the 20th Asia- Pacific Vibration Conference (APVC2024)  2024.8 

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    Venue：Tokyo, Japan  

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  • ノイズを含む周波数応答からトポロジー最適化を用いて接着層形状を同定する手法の開発

    渡邉 優斗,齋藤 彰

    日本機械学会 関東支部 第30期総会・講演会  2024.3  日本機械学会

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  • 振動計測のための密度法による最適センサ配置手法

    小倉 大輝,齋藤 彰

    日本機械学会 関東支部 第30期総会・講演会  2024.3 

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  • 畳み込みニューラルネットワークによる振動モード形状分類手法の検討

    並木 秀晃,齋藤 彰

    日本機械学会 関東支部 第30期総会・講演会  2024.3  日本機械学会

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  • 接触力と摩擦力が作用する積層構造物の振動特性予測

    小島 暖斗, 古屋 耕平, 齋藤 彰, 松原 真己, 桂川 拓也

    Dynamics and Design Conference 2023（D&D2023）  2023.8  日本機械学会

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  • Design optimization of meta-structures with embedded dynamic vibration absorbers International conference

    Kiichi Hayamizu and Akira Saito

    The 7th Japan-Korea Joint Symposium on Dynamics & Control  2023.8  The Japan Society of Mechanical Engineers

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  • Magnetic force induced vibration analysis of switched reluctance motor International conference

    Yusuke Kaji and Akira Saito

    The 7th Japan-Korea Joint Symposium on Dynamics & Control  2023.8  The Japan Society of Mechanical Engineers

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  • 区分線形性を有する機械システムのスパ ース回帰を用いた支配方程式自動生成

    神吉 亮輔, 齋藤 彰

    Dynamics and Design Conference 2023（D&D2023）  2023.8  日本機械学会

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  • 周波数応答関数を用いた機械学習による機械構造物の損傷同定

    古畑 祥,齋藤 彰

    Dynamics and Design Conference 2023（D&D2023）  2023.8 

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  • 振動応答にトポロジー最適化を用いた接着層の形状同定

    渡邉 優斗,齋藤 彰

    Dynamics and Design Conference 2023（D&D2023）  2023.8 

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  • Dynamics of a helical spring involving intermittent frictional contact with an oscillating barrier International conference

    Marisa Nagata and Akira Saito

    The 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023)  2023.8 

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    Country/Region：Japan  

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  • Application of Topology-Optimization Based Damage Identification Method to Three-Dimensional Structures International conference

    Akira Saito, Zhongxu Wang, and Hidetaka Saomoto

    35th Conference on Mechanical Vibration and Noise (VIB), International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC)  2023.8 

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  • Effects of power-assist and load torque on vibration characteristics of electric bicycles International conference

    Yusuke Kaji and Akira Saito

    The 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023)  2023.8 

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    Venue：Chiba   Country/Region：Japan  

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  • Oscillator design for energy harvesters with nonlinear snap-through motion International conference

    Takumi Furihata and Akira Saito

    IUTAM Symposium on Nonlinear Dynamics for design of mechanical systems across different length/time scales  2023.8 

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    Venue：Tsukuba  

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  • Automatic Generation of Governing Equations for Mechanical Systems with Piecewise-Linear Systems using Sparse Regression International conference

    Ryosuke Kanki and Akira Saito

    IUTAM Symposium on Nonlinear Dynamics for design of mechanical systems across different length/time scales  2023.8 

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  • 摩擦力が作用する積層構造物の振動特性予測

    桂川 拓也,小島 暖斗,古屋 耕平,松原 真己,齋藤 彰

    TOKAI ENGINEERING COMPLEX 2023 (TEC23)  2023.3  日本機械学会

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  • キー操作を特徴とするアノテーションツールの開発とその高解像度衛星画像への適用

    竿本 英貴,宮本 崇,齋藤 彰

    第42回地震工学研究発表会  2022.10 

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  • トポロジー最適化によるトラス橋モデルの損傷推定に関する数値実験

    竿本 英貴,齋藤 彰,宮本 崇

    令和4年度土木学会全国大会第 77 回年次学術講演会  2022.9  土木学会

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  • Forced response vibration analysis of induction motor stators induced by electromagnetic forces International conference

    Akira Saito and Tatsuya Suzuki

    The 9th IFAC Symposium on Mechatronic Systems (Mechatronics 2022) and the 16th International Conference on Motion and Vibration Control (MoViC 2022),  2022.9 

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  • 電動モータステータの実験モード解析

    前場颯人,齋藤彰,齋藤彰,松原真己,古屋耕平

    Dynamics and Design Conference 2022  2022.9 

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  • Damage identification strategies using topology optimization and frequency response functions International conference

    Zhongxu Wang, Akira Saito and Hidetaka Saomoto

    Asian Congress of Structural and Multidisciplinary Optimization (ACSMO) 2022  2022.5 

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  • 振動応答にトポロジー最適化とL1正則化を適用し損傷を同定する手法の開発

    齋藤彰, 菅井稜,竿本英貴

    Dynamics and Design Conference 2021  2021.9  日本機械学会

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  • Phase-based motion magnification を用いた実験モード解析手法の構築

    増田遼祐,齋藤彰

    Dynamics and Design Conference 2021  2021.9  日本機械学会

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  • 実験モード解析によるスネアドラムの膜近傍音場・ 振動解析

    永田茉莉咲,齋藤彰

    Dynamics and Design Conference 2021  2021.9  日本機械学会

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  • Model Order Reduction for a Piecewise Linear System Based on Dynamic Mode Decomposition International conference

    Akira Saito

    ASME 2021 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference  2021.8 

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  • Effects of mode shapes on crack identification based on finite-element model updating and inverse eigenvalue analysis International conference

    Jun Isshiki and Akira Saito

    14th World Congress of Structural and Multidisciplinary Optimization  2021.6  International Society for Structural and Multidisciplinary Optimization

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  • Damage identification from noisy frequency responses using topology optimization and lasso regularization International conference

    Akira Saito, Ryo Sugai, and Hidetaka Saomoto

    14th World Congress of Structural and Multidisciplinary Optimization  2021.6  International Society for Structural and Multidisciplinary Optimization

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  • Development of Crack Identification Method based on Finite Element Model Updating and Inverse Eigenvalue Analysis International conference

    Jun Isshiki, Ryo Sugai and Akira Saito

    Asian Congress of Structural and Multidisciplinary Optimization (ACSMO) 2020  2020.11 

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    Venue：online  

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  • Damage Identification using Topology Optimization with Lasso Regularization International conference

    Ryo Sugai, Akira Saito and Hidetaka Saomoto

    Asian Congress of Structural and Multidisciplinary Optimization (ACSMO) 2020  2020.11 

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    Venue：online  

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  • 誘導電動機の振動特性解析

    齋藤彰,金子美玲,生田目巧巳,鈴木達也

    Dynamics and Design Conference 2020  2020.9 

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  • 二自由度振動子を用いた電磁誘導型エナジーハーベスタの動的解析

    田口貴一,青島慶喜,齋藤彰

    Dynamics and Design Conference 2020  2020.9 

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  • 手背への振動触覚刺激を用いた情報提示

    増田遼祐,宮原聡志,齋藤彰,川戸裕佑

    日本機械学会2020年度年次大会  2020.9 

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  • 誘導モータの磁場・振動連成解析

    鈴木達也,齋藤彰

    日本機械学会2020年度年次大会  2020.9 

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  • Experimental Forced Response Analysis of Two-degree-of-freedom Piecewise-linear Systems with a Gap International conference

    Akira Saito, Junta Umemoto, Kohei Noguchi, Meng-Hsuan Tien and Kiran D’Souza

    ASME 2020 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference  2020.8 

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  • Damage Identification using Static and Dynamic Responses based on Topology Optimization and Lasso Regularization International conference

    Ryo Sugai, Akira Saito and Hidetaka Saomoto

    ASME 2020 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference  2020.8 

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  • Electromagnetic energy harvesting from ambient vibration using permanent magnet linear oscillator International conference

    Kiichi Taguchi, Yoshinobu Aoshima, and Akira Saito

    The 49th International Congress and Exposition on Noise Control Engineering (inter-noise 2020 e-congress)  2020.8 

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  • Electromagnetic noise and vibration generated by induction motors International conference

    Takumi Namatame, Tatsuya Suzuki, and Akira Saito

    The 49th International Congress and Exposition on Noise Control Engineering (inter-noise 2020 e-congress)  2020.8 

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  • 直線フィット法を用いた単点入力多点参照の実験モード解析 International conference

    松原真己, 齋藤彰, 田尻大樹, 伊勢智彦, 河村庄造

    Dynamics and Design Conference 2019  2019.8 

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    Venue：福岡  

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  • Experimental and Numerical Investigations on Two Degrees of Freedom Piecewise-linear Nonlinear Systems with Gaps under Harmonic Excitation International conference

    Kohei Noguchi, Akira Saito, Meng-Hsuan Tien and Kiran D’Souza

    ASME 2019 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference  2019.8  ASME

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    Venue：Anaheim, California  

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  • 動的モード分解を用いた実験モード解析

    齋藤彰, 久能友宏

    Dynamics and Design Conference 2019  2019.8  日本機械学会

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    Venue：福岡  

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  • 区分的に線形な二自由度非線形振動子の強制振動解析

    野口滉平, 齋藤彰, Tien Meng-Husan, D’Souza Kiran

    Dynamics and Design Conference 2019  2019.8  日本機械学会

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    Venue：福岡  

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  • Optimal Sensor Placement for Vibration-Based Damage Detection International conference

    Akira Saito and Daichi Sakamoto

    13th World Congress of Structural and Multidisciplinary Optimization  2019.5  International Society for Structural and Multidisciplinary Optimization

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  • Inverse Identification of Crack Location and Length using Modal Parameters International conference

    Ryo Sugai and Akira Saito

    13th World Congress of Structural and Multidisciplinary Optimization  2019.5  International Society for Structural and Multidisciplinary Optimization

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  • A Model Order Reduction Method for Electro-Magnetic Vibration Analysis of Electric Motors

    IUTAM Symposium on Model Order Reduction of Coupled Systems (MORCOS 2018)  2018.5 

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    Venue：Stuttgart, Germany  

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  • 電磁応力の領域積分に基づく磁場・構造連成問題を対象としたグレースケールフリートポロジー最適化法

    大西遼,山崎慎太郎,川本敦史,齋藤彰,黒石真且,藤田喜久雄

    第 26 回設計工学・システム部門講演会  2016.10 

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  • モータの電磁振動解析技術とその周辺技術について

    若手地震工学研究者の会  2016.9 

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  • Vibration Prediction Method of Electric Machines by using Experimental Transfer Function and Magnetostatic Finite Element Analysis International conference

    Akira Saito, Masakatsu Kuroishi and Hideo Nakai

    13th International Conference on Motion and Vibration Control/12th International Conference on Recent Advances in Structural Dynamics (MoViC&RASD 2016)  2016.7 

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  • Multidisciplinary topology optimization method for vibration-proof design of in-vehicle reactor International conference

    Ryo Ohnishi, Shintaro Yamasaki, Atsushi Kawamoto, Akira Saito, Masakatsu Kuroishi and Kikuo Fujita

    Asian Conference on Design and Digital Engineering  2015.11 

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  • リアクトルコア磁場と構造連成解析による最適防振設計

    大西遼, 山崎慎太郎,川本敦史,齋藤彰,黒石真且,藤田喜久雄

    第 25 回設計工学・システム部門講演会  2015.9  日本機械学会

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  • ハイブリッド車用高出力モーターを対象としたトポロジー最適化

    山崎慎太郎,西川泰成,川本敦史,齋藤彰,黒石真且,藤田喜久雄

    第 25 回設計工学・システム部門講演会  2015.9 

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  • Elastic Moduli Identification Method for Orthotropic Structures based on Vibration Data International conference

    Akira Saito, Yasunari Nishikawa, Shintaro Yamasaki, Kikuo Fujita, Atsushi Kawamoto, Masakatsu Kuroishi, and Hideo Nakai

    11th World Congress of Structural and Multidisciplinary Optimization  2015.6 

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  • モータの振動解析

    東海ダイナミクス・制御研究会，日本機械学会機械力学・計測制御部門所属地区研究会 (A-TS-10-212)  2014.11 

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  • Efficient forced vibration analysis method for rotating electric machines International conference

    Akira Saito, Hiromitsu Suzuki, Masakatsu Kuroishi, and Hideo Nakai

    International Conference on Noise and Vibration Engineering (ISMA 2014)  2014.9 

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  • Electromagnetic Design of In-vehicle Reactor using a Level-set based Topology Optimization Method International conference

    Shintaro Yamasaki, Atsushi Kawamoto, Akira Saito, Masakatsu Kuroishi and Kikuo Fujita

    ASME 2014 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference  2014.8 

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  • Detection of Cracks in Mistuned BladedDisks using Reduced Order Models and Vibration Data International conference

    Chulwoo Jung, Akira Saito and Bogdan I. Epureanu

    ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference  2011.8 

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  • Reduced-order Modeling for Nonlinear Vibration Analysis of Mistuned Multi-stage Bladed Disks with a Cracked Blade International conference

    Kiran D'Souza, Akira Saito and Bogdan I. Epureanu

    52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference  2011.4 

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  • Bilinear Reduced Order Models International conference

    Akira Saito and Bogdan I. Epureanu

    Tenth International Conference on Computational Structures Technology  2010.9 

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  • Sensor Placement for Detection of Cracks in Structures Exhibiting Nonlinear Dynamics International conference

    M. P. Castanier, S. K. Hong, Akira Saito, B. I. Epureanu and D. J. Gorsich

    7th International Workshop on Structural Health Monitoring  2009.9 

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  • Advanced Nonlinear Vibration Analysis for Next-Generation Crack Propagation Algorithms International conference

    Akira Saito, Bogdan I. Epureanu, Matthew P. Castanier, and Robert Morris

    20th Advanced Aerospace Materials and Processes Conference and Exposition  2009.6 

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  • An Efficient Reduced Order Modeling Technique for Nonlinear Vibration Analysis of Structures with Intermittent Contact International conference

    Akira Saito, Matthew P. Castanier and Christophe Pierre

    50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference  2009.5 

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  • Advanced Vibration Analysis Framework for Turbomachinery Structures with a Crack

    Akira Saito, Bogdan I. Epureanu, and Matthew P. Castanier

    Propulsion - Safety and Affordable Readiness (P-SAR) Conference  2009.3 

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  • Vibration Response of Cracked Cantilevered Plates Near Natural Frequency Veerings International conference

    Akira Saito, Matthew P. Castanier and Christophe Pierre

    49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference  2008.4 

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  • Nonlinear Transient Response Analysis of Traveling Wave Type Ultrasonic Motors International conference

    Akira Saito, Yosuke Nakagawa, and Takashi Maeno

    17th International Symposium on Applications of Ferroelectrics  2008.2 

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  • Effects of a Cracked Blade on Mistuned Turbine Engine Rotor Vibration International conference

    Akira Saito, Matthew P. Castanier and Christophe Pierre

    ASME 2007 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, paper  2007.9 

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  • Efficient Nonlinear Vibration Analysis of the Forced Response of Rotating Cracked Blades International conference

    Akira Saito, Matthew P. Castanier and Christophe Pierre

    ASME International Mechanical Engineering Congress & Exposition  2006.11 

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  • Transient Analysis of Bar-Type Ultrasonic Motors International conference

    Yosuke Nakagawa, Akira Saito and Takashi Maeno

    IEEE/RSJ International Conference on Intelligent Robots and Systems  2004.10 

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Awards

  • 2015年度日本機械学会東海支部奨励賞

    2016.3   日本機械学会東海支部  

    齋藤彰

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Research Projects

  • 振動応答とトポロジー最適化を利用して損傷を検出する方法の高精度化

    Grant number：26K14858  2026.4 - 2029.3

    日本学術振興会  科学研究費助成事業  基盤研究(C)

    齋藤 彰

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    Grant amount：\3380000 （ Direct Cost: \2600000 、 Indirect Cost：\780000 ）

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  • Inverse crack identification and optimal sensor placement for mechanical structures based on normal modes of vibration

    Grant number：20K11855  2020.4 - 2023.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    Saito Akira

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    Grant amount：\2860000 （ Direct Cost: \2200000 、 Indirect Cost：\660000 ）

    The aim of this study is to develop a methodology to efficiently identify damages of mechanical structures based on the changes in their natural frequencies and the corresponding mode shapes. To this end, we have conducted the following: development of optimal sensor placement and mode shape selection methods and development of an inverse analysis method that can quantitatively relate measured vibration data with damages in the structure. As a result, with the proposed optimal sensor placement method, it was found that many sensors tend to be placed along the edges where crack is expected to be generated. Moreover, by utilizing the concept of topology optimization, it was found that the accuracy of the proposed damage identification method can greatly be improved.

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  • Development of Accurate and Efficient Numerical Methods for the Prediction of Electro-Magnetic Vibration of Induction Machine Stators

    2019.1 - 2019.12

    Tsugawa Foundation 

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    Authorship：Principal investigator  Grant type：Competitive

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Teaching Experience

  • モード解析特論

    2019.4 Institution：明治大学理工学研究科

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    Level：Postgraduate 

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  • 構造動力学特論

    2018.4 Institution：明治大学理工学研究科

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    Level：Postgraduate 

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  • Mechanical Vibration

    2017.4 Institution：School of Science and Technology, Meiji University

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    Level：Undergraduate (specialized) 

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  • Mechanical Dynamics

    2017.4 Institution：School of Science and Technology, Meiji University

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    Level：Undergraduate (specialized) 

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  • 機械力学・演習

    2017.4 Institution：明治大学理工学部

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    Level：Undergraduate (specialized) 

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  • 機械工学実験A

    2017.4 Institution：明治大学理工学部

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    Level：Undergraduate (specialized) 

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  • 機械工学実験B

    2017.4 Institution：明治大学理工学部

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    Level：Undergraduate (specialized) 

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