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Paper accepted for publication in IEEE Transactions on Energy Conversion

Paper entitled “Effects of Rotated Stacking, Bolts, and Bonded Regions on Modal Parameters of Bonded Stator Cores of Electric Machines” has been accepted for publication in IEEE Transactions on Energy Conversion[1]. The article is based on a collaborative work with Gifu University and Toyohashi University of Technology, under the research grant from Transmission Research Association for Mobility Innovation (TRAMI).

[1] Akira Saito, Hayato Maeba, Masami Matsubara and Kohei Furuya, “Effects of Rotated Stacking, Bolts, and Bonded Regions on Modal Parameters of Bonded Stator Cores of Electric Machines”, IEEE Transactions on Energy Conversion, doi:10.1109/TEC.2025.3550914, 2025 [link].

Graduate students gave research presentations at 2024 Conference on Theoretical and Applied Mechanics

We have attended the 2024 Conference on Theoretical and Applied Mechanics (CTAM), which was held at National Tsinghua University (Hsinchu, Taiwan). Six of the lab members (Soichiro Osuga, Shogo Shimada, Hideaki Namiki, Kenta Hayashi, So Miyazaki, and Daiki Ogura) gave research presentations at the session “Structural Dynamics and Vibration”.

We have visited the Nonlinear Dynamics and Vibration Laboratory (Prof. Meng-Hsuan Tien) at the National Tsinghua University.

Paper accepted for publication in Journal of Vibration and Control

A paper is accepted for publication in Journal of Vibration and Control.

Marisa Nagata and Akira Saito, “Sound synthesis of drums based on modal representation of transfer functions”, Journal of Vibration and Control, 2024.

Research presentations at MoViC 2024 & APVC 2024

Three of our graduate students, Soichiro Osuga, Shogo Shimada, and Hideaki Namiki presented their work at the 17th International Conference on Motion and Vibration Control. (MoViC 2024) and the 20th Asia Pacific Vibration Conference (5-8 August 2024 in Tokyo, Japan). Keep up the good work!

Paper accepted for publication in Journal of Computational and Nonlinear Dynamics

A paper has been accepted and published online in Journal of Computational and Nonlinear Dynamics. The paper is based on a Master’s thesis work by Ryosuke Kanki.

Ryosuke Kanki and Akira Saito, “Data-driven Initial Gap Identification of Piecewise-linear Systems using Sparse Regression and Universal Approximation Theorem”, doi:10.1115/1.4065440, Journal of Computational and Nonlinear Dynamics, 2024. [link]

Paper published in Nonlinear Dynamics

A paper entitled “Data-driven model order reduction for structures with piecewise linear nonlinearity using dynamic mode decomposition” has been accepted for publication in Nonlinear Dynamics. [SharedIt]

Presented at Dynamics and Design conference and the J-K Symposium in Nagoya

Ryosuke Kanki, Sho Furuhata, and Yuuto Watanabe presented at Dynamics and Design conference, which was held at Nagoya University from 8/28-8/31. Kiichi Hayamizu and Yusuke Kaji also presented at the 7th Japan-Korea Joint Symposium on Dynamics and Control, which was also held at Nagoya University on 8/30. Keep up the great work!

  • Yusuke Kaji and Akira Saito, ”Electromagnetic vibration of switched reluctance motors”, The 7th Japan-Korea Joint Symposium on Dynamics & Control, Nagoya, Japan, August 2023.
  • Kiichi Hayamizu and Akira Saito, ”Design optimization of meta-structures with embedded dynamic vibration absorbers”, The 7th Japan-Korea Joint Symposium on Dynamics & Control, Nagoya, Japan, August 2023.
  • Yuuto Watanabe and Akira Saito, “Shape identification of adhesive layers using vibration response for topology optimization”, Dynamics and Design Conference 2023, Nagoya, Japan, August 2023 (in Japanese).
  • Sho Furuhata and Akira Saito, “Damage detection of mechanical structures using machine learning on frequency response functions”, Dynamics and Design Conference 2023, Nagoya, Japan, August 2023 (in Japanese).
  • Ryosuke Kanki and Akira Saito, “Automatic Generation of Governing Equations for Mechanical Systems with Piecewise-Linear Systems using Sparse Regression”, Dynamics and Design Conference 2023, Nagoya, Japan, August 2023 (in Japanese).

Professor Saito presented at IDETC-CIE 2023 (Boston, USA)

Professor Saito gave a talk at IDETC-CIE 2023 in Boston, USA. The talk was about the damage identification method based on topology optimization, which was mainly conducted by our lab alumnus Wang Zhongxu (2022, MS). The work is also a collaborative work with Dr. Hidetaka Saomoto of National Institute of Advanced Industrial Science and Technology (AIST).

  • Akira Saito, Zhongxu Wang, and Hidetaka Saomoto, ”Application of Topology-Optimization Based Damage Identification Method to Three-Dimensional Structures”, 35th Conference on Mechanical Vibration and Noise (VIB), International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC), Boston, USA, August 2023.

Marisa Nagata and Yusuke Kaji presented at Inter-Noise 2023

Grad student Yusuke Kaji and lab alumnus Marisa Nagata presented at the 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023), which was held in Chiba, Japan, on 20–23 August 2023. Keep up the good work!

  • Marisa Nagata and Akira Saito, ”Dynamics of a helical spring involving intermittent frictional contact with an oscillating barrier”, The 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023), Chiba, Japan, August 2023.
  • Yusuke Kaji, Hirofumi Inoue and Akira Saito, ”Effects of power-assist and load torque on vibration characteristics of electric bicycles”, The 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023), Chiba, Japan, August 2023.

Ryosuke Kanki and Takumi Furihata presented at IUTAM Symposium in Tsukuba

Grad student Ryosuke Kanki and lab alumnus Takumi Furihata presented at the IUTAM Symposium on Nonlinear Dynamics for design of mechanical systems across different length/time scales, which was held in Tsukuba, Japan.

  • Ryosuke Kanki and Akira Saito, ”Automatic Generation of Governing Equations for Mechanical Systems with Piecewise-Linear Systems using Sparse Regression”, IUTAM Symposium on Nonlinear Dynamics for design of mechanical systems across different length/time scales, PS28, Tsukuba, Japan, August 2023.
  • Takumi Furihata and Akira Saito, ”Oscillator design for energy harvesters with nonlinear snap-through motion”, IUTAM Symposium on Nonlinear Dynamics for design of mechanical systems across different length/time scales, PS39, Tsukuba, Japan, August 2023.