Department of Mechanical and Systems Engineering

Mechanical Engineering Course

As of March 2018

Structural Materials Engineering Laboratory


(URL:http://kizai9.mech.okayama-u.ac.jp/index_e.html)

Mitsuhiro OKAYASU, Professor

Yoshito TAKEMOTO, Associate Professor

Yoon-Seok LEE, Assistant Professor

Research Themes:

  • Mechanical Properties of Engineering Materials
  • Cyclic Deformation Mechanism and Fatigue Behavior
  • Development of β Type Ti Alloys with Novel Functions
  • Phase Transformation and Mechanical Properties of Ti Alloys
  • Development of High Wear-resistant Al Alloys

Representative Publication :

  • Mitsuhiro Okayasu, Kohei Bamba, “Domain switching behavior in lead zirconate titanate piezoelectric ceramics”, Scripta Materialia, Vol. 146, pp.272-275, March 2018
  • Masataka Ijiri, Yuki Tomita, Takafumi Ishikawa, Kenji Kadowaki and Yoshito Takemoto, “Influence of Nb Content of Ti-xNb-7Al Alloys on β→α" Transformation with Tempering”, J. Japan Inst. Met. Mater. Vol. 81, pp. 345-351, July 2017
  • Yoon-Seok Lee, Mitsuo Niinomi, Masaaki Nakai, Kengo Narita, Ken Cho, “Predominant factor determining wear properties of β-type and (α+β)-type titanium alloys in metal-to-metal contact for biomedical applications”, J. Mech. Behav. Biomed. Mater. Vol. 41, pp. 208-220, October 2014

Applied Solid Mechanics Laboratory

(URL:http://solid.mech.okayama-u.ac.jp/index-e.html)

Naoya TADA, Professor

Takeshi UEMORI, Associate Professor

Research Themes:

  • Deformation and Fracture of Solid Materials
  • Microscopic Deformation of Materials
  • Simulation of Plastic Deformation and Plastic Forming
  • Reliability and Strength of Electronic Components
  • Non-Destructive Evaluation by Electrical Potential Difference Method

Representative Publication :

  • Naoya Tada, Takeshi Uemori and Toshiya Nakata, “Elastic and Plastic Microscopic Undulation on the Surface of Polycrystalline Pure Titanium Under Tension”, Transactions of the ASME, Journal of Pressure Vessel Technology, Vol. 139, Issue 6, 061403 (8 Pages), October 2017.
  • Takeshi Uemori, Satoshi Sumikawa, Tetsuo Naka, Ninshu Ma and Fusahito Yoshida, “ Influence of Bauschinger Effect and Anisotropy on Springback of Aluminum Alloy Sheets”, Material Transactions, Vol. 58, Issue 6, pp.921-926, June 2017.

Machine Design and Tribology Laboratory

(URL:http://mdws1.mech.okayama-u.ac.jp/)

Masahiro FUJII, Professor

Yuya OMIYA, Assistant Professor

Research Themes:

  • Friction, Wear and Lubrication of High Functional Tribo-Material
  • Design of Machine Element with High Load Capacity
  • Development of Engineering Surface with Low Friction and High Strength
  • Joining and Sealing Technology of Multi-Material
  • Mechanism of Self Loosening and Seizure in Bolted Joint

Representative Publication :

  • Ryousuke Ano, Masahiro Fujii and Hiroshi Ohsaki, “Observation of residual stress variation on rolling Fatigue of steel ball”, Tribologist, Vol. 61, No.6, pp.393-400, June 2016.
  • Yuya Omiya, Masahiro Fujii and Yuta Shibai, “Sealing Performance Evaluation for Metal Flat Gasket under Leak Test with Platens”, Journal of High Pressure Institute of Japan, 2018

Nontraditional Machining Laboratory

(URL:http://ntmlab.mech.okayama-u.ac.jp/index-e.html)

Akira OKADA, Professor

Yasuhiro OKAMOTO, Associate Professor

Togo SHINONAGA, Assistant Professor

Research Themes:

  • Study on High Accuracy and Efficiency Electrical Discharge Machining
  • Development of Novel and Functional Electrical Discharge Machining Method
  • Development of High-Performance Laser Micro-Processing
  • High-Efficient Laser Micro-Welding
  • Smoothing and Surface Modification by Large-Area Electron Beam Irradiation

Representative Publication :

  • Akira Okada, Atsushi Yamaguchi and Kohei Ota, “Improvement of curved hole EDM drilling performance using suspended ball electrode by workpiece vibration,” CIRP Annals - Manufacturing Technology, Vol. 66, No. 1, pp. 189-192, May 2017.
  • Yasuhiro Okamoto, Kiichi Asako, Norio Nishi, Tomokazu Sakagawa and Akira. Okada “Effect of Surrounding Gas Condition on Surface Integrity in Micro-drilling of SiC by ns Pulsed Laser” Applied Physics B, Laser and Optics, Vol.119, No.3, pp. 509-517, March 2015.
  • Togo Shinonaga, Akira Okada , Tomoaki Miyoshi, “Prediction of rounding phenomenon at corner tips in large-area Electron Beam irradiation”, International Journal of Machine Tools and Manufacture, Vol.110, pp.18-26, August 2016.

Manufacturing Engineering Laboratory

(URL:http://www.prec.mech.okayama-u.ac.jp)

Kazuhito OHASHI, Professor

Hiroyuki KODAMA, Senior Assistant Professor

Takashi ONISHI, Assistant Professor

Research Themes:

  • In-Process/On-Machine Measuring Technique in Grinding
  • Grinding Mechanism of Difficult-to-Machine Materials
  • High Performance Diamond Wheel
  • Abrasive Machining for Surface Function
  • Data Mining in Manufacturing

Representative Publication :

  • Kazuhito Ohashi, Kazuya Tan, Tomoaki Ashida and Shinya Tsukamoto, “Quick On-Machine Measurement of Ground Surface Finish Available for Mass Production Cylindrical Grinding Processes,” Int. J. of Automation Technology, Vol. 9, No. 2, pp. 176-183, March 2015.

Fluid Dynamics and Engineering Laboratory

(URL:under construction)

Shinichiro YANASE, Professor, specially appointed

Toshinori KOUCHI, Associate Professor

Yasunori NAGATA, Assistant Professor

Research Themes:

  • Micro-Bubble Engineering
  • High Speed Propulsion
  • Gas Dynamics of Reentry Vehicle

Representative Publication :

  • Anup Kumer Datta, Yasutaka Hayamizu, Toshinori Kouchi, Yasunori Nagata, Kyoji Yamamoto, Shinichiro Yanase, “Numerical study of turbulent helical pipe flow with comparison to the experimental results,” Journal of Fluids Engineering, Vol.139, 091204-1. 2017.
  • Toshinori Kouchi, Goro Masuya, Shinichiro Yanase, “Extracting Dominant Turbulent Structures in Supersonic Flow Using Two-Dimensional Fourier Transform,” Experiments in Fluids, Vol. 58, No. 98, 2017.
  • Kazuhiko Yamada, Yasunori Nagata, Takashi Abe, Kojiro Suzuki, Osamu Imamura, Daisuke Akita, “Suborbital Reentry Demonstration of Inflatable Flare-type Thin-membrane Aeroshell using a Sounding Rocket,” Journal of Spacecraft and Rockets, Vol. 52, No. 1, 2015.

Heat Power Engineering Laboratory

(URL:https://powerlab.mech.okayama-u.ac.jp/)

Eiji TOMITA, Professor

Nobuyuki KAWAHARA, Associate Professor

Kazuya TSUBOI, Assistant Professor

Research Themes:

  • Combustion Diagnostics with Optical Measurement
  • Gas Engine Combustion and Auto-Ignition
  • CFD Simulation of Gas Flow and Combustion in Piston Engines
  • Analysis of Turbulent Premixed Flames by Using Direct Numerical Simulation (DNS) Database

Representative Publication :

  • Kazi M. Rahman, Nobuyuki Kawahara, Kazuya Tsuboi and Eiji Tomita, “Combustion Characteristics of Wet Ethanol Ignited Using a Focused Q-switched Nd:YAG Nanosecond Laser,” Fuel, Vol. 165 (2016), pp. 331–340.
  • Nobuyuki Kawahara, Shota Hashimoto, Eiji Tomita, “Spark discharge ignition process in a spark-ignition engine using a time series of spectra measurements”, Proceedings of the Combustion Institute 37, Issue 3 (2017), pp. 3451–3458.

Biomedical Engineering Laboratory

(URL:http://www.biolab.mech.okayama-u.ac.jp/indexE.html)

Jinglong WU, Professor

Satoshi TAKAHASHI, Associate Professor

Jiajia YANG, Assistant Professor

Research Themes:

  • Study on Human Visual, Auditory and Tactile Mechanism
  • Study on Human Higher Functions by EEG/ERP and fMRI
  • Study on Early Detection of Dementia
  • Study on Rehabilitation Technology

Representative Publication :

  • Jiajia Yang, Ryo Kitada, Takanori Kochiyama, Yinghua Yu, Kai Makita, Yuta Araki, Jinglong Wu, and Norihiro Sadato, “Brain networks involved in tactile speed classification of moving dot patterns: the effects of speed and dot periodicity,” Science Reports, 7, 40931. (2017)
  • Yanna Ren Weiping Yang Kohei Nakahashi, Satoshi Takahashi Jinglong Wu, “Audiovisual Integration Delayed by Stimulus Onset Asynchrony Between Auditory and Visual Stimuli in Older Adults” Perception Vol 46, Issue 2, pp.205-218, (2017)
  • Yinghua Yu, Jiajia Yang, Hiroki Matsumoto, Jinglong Wu, “Interactions Between Haptic and Visual Perceptions of Fine Surface Texture,” Neuroscience and Biomedical Engineering, Volume 4, Number 2, pp. 113-119(7), (2016)

Heat Transfer Engineering Laboratory

(URL:http://heat6.mech.okayama-u.ac.jp/dennetu/eng/home.htm)

Akihiko HORIBE, Professor

Yutaka YAMADA, Assistant Professor

Research Themes:

  • Desiccant Air Conditioning
  • Water Vapor Sorption and Desoption Characteristics of Organic Sorption Material
  • Heat Storage and Release Characteristics of Latent Heat Storage Material
  • Static and Dynamic Wettability Characteristics of Structured Surface

Representative Publication :

  • Akihiko Horibe, Hyeon Jang, Naoto Haruki, Yoshihiko Sano, Hiroaki Kanbara and Kazuo Takahashi, “Melting and Solidification Heat Transfer Characteristics of Phase Change Material in a Latent Heat Storage Vessel: Effect of Perforated Partition Plate,” International Journal of Heat and Mass Transfer, Vol. 82, pp. 259-266, (2014).
  • Than Tun Naing, Akihiko Horibe, Naoto Haruki, Yutaka Yamada, “Reduction of the Solidification Height of Phase-change Material in Direct-contact Latent Heat Storage Vessel”, Thermal Science and Engineering, Vol. 26, No. 1, pp. 19-27 (2018)

Systems Engineering Course

As of March 2018

Advanced System Safety Laboratory

(URL:under construction)

Haruo SATO, Associate Professor

Research Themes:

  • Study on Radioactive Waste Disposal Technology
  • Study on Fukushima Environmental Dynamics
  • Radiation Safety

Representative Publication :

  • Haruo Sato and Masato Yoshii, “Analysis of Air Dose Rate Considered Change in Depth Profile of Radiocaesium in Soil,” Proceedings of the Asia Pacific Symposium on Safety, 2017 (APSS 2017), SD-03, pp.1-8, December 2017.

Intelligent Robotics and Control Laboratory

(URL: )

Mamoru MINAMI, Professor

Takayuki MATSUNO, Senior Assistant Professor

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Yuichiro TODA, Assistant Professor

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Research Themes:

  • Humanoid Robot
  • Visual Servoing
  • Grinding Robot
  • Robotic Interventional Radiology
  • Recognition of Deformable Object

Representative Publication :

  • Yu Cui, Kenta Nishimura, Yusuke Sunami, Mamoru Minami, Takayuki Matsuno and Akira Yanou, “Analyses about Trackability of Hand-Eye-Vergence Visual Servoing in Lateral Direction,” Applied Mechanics and Materials, Vol. 772, pp. 5 12-517, July 2015.

Human Factors and Ergonomics Laboratory

(URL:http://iims.sys.okayama-u.ac.jp/index_e.html)

Atsuo MURATA, Professor

Takehito HAYAMI, Senior Assistant Professor

Toshihisa DOI, Assistant Professor

Research Themes:

  • Automotive Ergonomics
  • Cognitive Engineering
  • Safety Management
  • Human-Computer Interaction

Representative Publication :

  • Atsuo Murata, Takashi Kuroda and Waldemar Karwowski, “Effects of auditory and tactile warning on response to visual hazards under a noisy environment,” Applied Ergonomics, Vol. 60, pp. 58-67, April 2017.

Production Intelligence Laboratory

(URL: )

Ikuo ARIZONO, Professor

Yoshinari YANAGAWA, Associate Professor

Tomoko SAKIYAMA, Assistant Professor

Research Themes:

  • Applied Statistics
  • Operations Research
  • Statistical Quality Management
  • Resource Management
  • Multi-Agent System

Representative Publication :

  • Ikuo Arizono, Yusuke Okada, Ryosuke Tomohiro, and Yasuhiko Takemoto, “Rectifying Inspection for PAOSQLL Scheme Based on Variable Repetitive Group Sampling Plan,” International Journal of Advanced Manufacturing Technology, Vol.94, No.1-4, pp.145-154, January 2018.
  • Shin Tsurui, Yasuhiko Takemoto, Ikuo Arizono, and Ryosuke Tomohiro, “Reconsideration of Negotiation Procedure for Buyback Contract in Supply Chain,” International Journal of Supply Chain and Operations Resilience, Vol.3, No.1, pp.34-55, September 2017.
  • Tomoko Sakiyama, and Ikuo Arizono, “Can the Agent with Limited Information solve Travelling Salesman Problem?” Complexity, Vol.270, Article ID 9562125, 6 pages, April 2017.

Intelligent Mechanical Control Laboratory

(URL:http://imclab.sys.okayama-u.ac.jp/)

Kentaro HIRATA, Professor

Yukinori NAKAMURA, Senior Assistant Professor

Kunihisa OKANO, Assistant Professor

Research Themes:

  • Control Theory
  • Mechatronics
  • Power-Assist Control
  • Networked Control
  • Formation Control

Representative Publication :

  • Kentaro Hirata, Tomomichi Hagiwara and Atsushi Itokazu, “Numerical Methods for Spectrum Computation of Monodromy Operators Via Non-Causal Hold Discretization,” SICE Journal of Control, Measurement, and System Integration, Vol. 6, No. 1, pp. 45-53, February 2013.
  • Yukinori Nakamura, Hiroki Kawakami and Shinji Wakui, “Bandwidth Expansion of a Pressure Control System for Pneumatic Anti-Vibration Apparatuses in Presence of Dead Time,” Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol. 9, No. 3, pp. 1-13, July 2015.
  • Kunihisa Okano, Masashi Wakaiki, Guosong Yang, and Joao P. Hespanha, “Stabilization of Networked Control Systems Under Clock Offsets and Quantization,” IEEE Transactions on Automatic Control, 2017 (in printing).

System Integration Laboratory

(URL:www.act.sys.okayama-u.ac.jp)

Takefumi KANDA, Professor

Shuichi WAKIMOTO, Associate Professor

Research Themes:

  • Fluid Processing Devices/Systems
  • Soft Devices Including Artificial Muscles
  • Flexible Mechanical Systems
  • Micro Actuators and Sensors

Representative Publication :

  • Takefumi Kanda, Masaki Yabumoto, and Koichi Suzumori, “A piezoelectric polymer cavitation sensor installed in an emulsion generation microchannel device and an evaluation of cavitation state,” Japanese Journal of Applied Physics, Vol.55, No.7S1, 07KE07 (6 pages), June 2016.
  • Shuichi Wakimoto, Junpei Misumi, Koichi Suzumori, “New concept and fundamental experiments of a smart pneumatic artificial muscle with a conductive fiber,” Sensors & Actuators: A. Physical, Vol.A250, pp.48-54, September 2016.

Interface Systems Laboratory

(URL: )

Akio GOFUKU, Professor

Tetsushi KAMEGAWA, Senior Assistant Professor

Taro SUGIHARA, Assistant Professor

Research Themes:

  • Man-Machine Interface Systems for Large-Scale Industrial Plants
  • New-Type Motors
  • Robotics for Practical Use
  • Medical Support Systems Applying Information and Robot Technologies
  • User Research of Human-Computer Interaction

Representative Publication :

  • Akio Gofuku, Kazuma Takata, Kenji Takatori and Makoto Takahashi, “Integration Technique of Diagnostic Results in Hybrid-Type
  • Agent System,” E-Journal of Advanced Maintenance, Vol. 6, No. 3, pp. 48-56, November 2014.

Mechatronic Systems Laboratory

(URL: )

Keigo WATANABE, Professor, specially appointed

Isaku NAGAI, Assistant Professor

Research Themes:

  • Underwater Robots with Pectoral Fins or Four Thrusters
  • VTOL Aerial Robots with Tilted Rotors
  • Omnidirectional Mobile Robots with Active Casters
  • Control of Mobile Robot Using Visual Odometry
  • Motion Estimation by Image Processing

Representative Publication :

  • Yin Yin Aye, Keigo Watanabe, Shoichi Maeyama, and Isaku Nagai, “An Automatic Parking System Using an Optimized Image-based Fuzzy Controller by Genetic Algorithms,” Artificial Life and Robotics, Vol. 22, pp. 139-144, September 2016.