Faculty Members

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Professor
OKA, Koichi

  • Gender: Male
  • Affiliation:
    - School of Systems Engineering
    - Intelligent Mechanical Systems Engineering Course, Department of Engineering, Graduate School of Enginering
    - Advanced Robotics Research Center, Research Institute
  • Personal web site: http://www.lab.kochi-tech.ac.jp/oka-lab/
Areas of specialization
Laboratory/research office Control and Mechatronics Laboratory
My laboratory investigates control technology for application in various systems, including magnetic suspension, aerospace and robotics. In control technology work, we use numerical model expressions reflecting control strategies to achieve target performance. In that framework, we study comprehensive technology for sensing techniques, driving and transforming mechanisms and intelligent computer control.
Current reseach topics
Educational background 1983: Master
Professional background 1992-1999: 
1985-1992: 
1983-1985: 
Licenses
Academic societies

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Courses

* Courses provided in English are shown with (E) mark

Undergraduate school
  • Graduation Thesis
  • Basic Control Systems
  • Feedback Control System
  • Industrial Tours
  • Outline of Engineering
  • Rigid body dynamics
  • Technical Skills
Graduate school
  • Advanced Control Theory
  • Seminar 1
  • Seminar 2
  • Seminar 3
  • Individual Work for Graduate
  • Advanced Seminar 1
  • Advanced Seminar 2

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Research activities

Research papers
  1. Authors: Nami Chiramathe, Koichi Oka, HARADA Akinori, 佐藤 昌之
    Title: H∞ Control-based CAS Design of QTW-UAVs Using Particle Swarm Optimization
    Journal: Trans. Japan Soc. Aero. Space Sci., Vol. 61, No. 5, pp. 226-229, 日本航空宇宙学会
    Year: 2018
  2. Authors: Annasiwaththa Annasi Waththege Buddhika Imantha, Koichi Oka, Akinori Harada
    Title: Magnetically levitated linear slider with a non-contact power transfer method
    Journal: International Journal of Applied Electromagnetics and Mechanics, Vol. 54, No. 2, pp. 223-237, IOS Press
    Year: 2017
  3. Authors: Eizentals Peteris, OKA Koichi
    Title: 3D pose estimation of green pepper fruit for automated harvesting
    Journal: Computers and Electronics in Agriculture, Vol. 128, pp. 127-140, Elsevier
    Year: 2016
  4. Authors: Junjie Jin, Duan Zhenyun, Sun Feng, Li Qing, Xia Pengpeng, Jin Jiaqi, OKA Koichi
    Title: Model identification and analysis for parallel permanent magnetic suspension system based on ARX model
    Journal: Int. J. of Applied Electromagnetics and Mechanics, Vol. 52, No. 1-2, pp. 145-152, IOS Press
    Year: 2016
  5. Authors: Annasiwaththa Annasi Waththege Buddhika Imantha, OKA Koichi
    Title: Design concept and analysis of a magnetically levitated linear slider with non-contact power transfer
    Journal: Int. J. of Applied Electromagnetics and Mechanics, Vol. 52, No. 1-2, pp. 207-213, IOS Press
    Year: 2016
  6. Authors: OKA Koichi, Tomohiro Okazaki, Toshiyuki Morimitsu
    Title: 2 DOF non-contact magnetic suspension system: A feasibility study
    Journal: International Journal of Applied Electromagnetics and Mechanics, Vol. 45, pp. 627-632, IOS Press
    Year: 2014
  7. Authors: BACHCHE Shivaji, OKA Koichi
    Title: Distinction of Green Sweet Peppers by Using Various Color Space Models and Computation of 3 Dimensional Location Coordinates of Recognized Green Sweet Peppers Based on Parallel Stereovision System
    Journal: Journal of System Design and Dynamics, Vol. 7, No. 2, pp. 178-196, 日本機械学会
    Year: 2013
  8. Authors: Zhong Xu, Feng Sun, Jun Jie, OKA Koichi
    Title: Proposal of Noncontact Operation Robotic Hand Using Permanent Magnetic Suspension
    Journal: Advanced Materials Research, Vol. 712-715, pp. 2277-2280, Scientific.Net
    Year: 2013
  9. Authors: BACHCHE Shivaji, OKA Koichi
    Title: Performance Testing of Thermal Cutting Systems for Sweet Pepper Harvesting Robot in Greenhouse Horticulture
    Journal: Journal of System Design and Dynamics, Vol. 7, No. 1, pp. 36-51, 日本機械学会
    Year: 2013
  10. Authors: SUN FENG, OKA Koichi, Junjie Jin
    Title: A zero suspension force improvement method of a permanent magnetic suspension device
    Journal: International Journal of Applied Electromagnetics and Mechanics, Vol. 41, No. 1, pp. 1-12, IOS press
    Year: 2013
  11. Authors: OKA Koichi, SUN FENG, JIN Junjie
    Title: Improvement Methods of Zero Suspension Force Performance of a Variable Flux Path Control Device
    Journal: 日本AEM学会誌, Vol. 20, No. 3, pp. 612-618, 養賢堂
    Year: 2012
  12. Authors: OKA Koichi, Feng Sun, Akira Tsurumi, Gota Nakamura
    Title: Study of the Spinning Mechanism Resulting from Permanent Magnet Linear Actuation
    Journal: Materials Science Forum, Vol. 721, pp. 255-260, Trans Tech Publications
    Year: 2012
  13. Authors: Sadouirai Fausan, OKA Koichi
    Title: The Frequency Response of Vibration Control with a Linear Actuator and a Permanent Magnet
    Journal: 日本AEM学会誌, Vol. 20, No. 2, pp. 526-531, 養賢堂
    Year: 2012
  14. Authors: SUN FENG, OKA Koichi, JIN Junjie
    Title: Improvement of Zero Suspension Force Performance Using a Special Magnet for a Magnetic Suspension Device
    Journal: Advanced Engineering Forum , Vol. 2-3, pp. 1099-1104, Trans Tech Publications, Switzerland
    Year: 2011
  15. Authors: SUN FENG, OKA Koichi, Akira Tsurumi
    Title: Torque Analysis of a Noncontact Spinning System Using Linearly Actuated Magnets
    Journal: 日本AEM学会誌, Vol. 19, No. 3, pp. 517-520, 日本AEM学会
    Year: 2011
  16. Authors: SUN FENG, JIN Junjie, OKA Koichi
    Title: Characteristics Analysis of Noncontact Spinning Mechanism with Numerical Simulation
    Journal: Advanced Materials Research, Vol. 308-310, pp. 2146-2151, Trans Tech Publications, Switzerland
    Year: 2011
  17. Authors: SUN FENG, JIN Junjie, OKA Koichi
    Title: Noncontact Magnetic Suspension of an Iron Ball Using Flux Path Control Mechanism
    Journal: Advanced Materials Research, Vol. 230-232, pp. 573-577, Trans Tech Publications, Switzerland
    Year: 2011
  18. Authors: Sun Feng, OKA Koichi
    Title: Feasibility Analysis of Two Iron Balls Simultaneous Suspension Using Flux Path Control Mechanism
    Journal: Journal of System Design and Dynamics, Vol. 5, No. 5, pp. 1155-1166, 日本機械学会
    Year: 2011
  19. Authors: Sadouirai Fausan, OKA Koichi, Akiyuki Sano, Yuuta Hirokawa
    Title: Vibration Control With Linear Actuator Permanent Magnet System using LQR Method
    Journal: Journal of System Design and Dynamics, Vol. 5, No. 6, pp. 1238-1250, 日本機械学会
    Year: 2011
  20. Authors: Y.Inoue, T.Liu, K.Shibata, K.Oka, Chunguang LI
    Title: Addional Design Features of a Mater-slave Control System with Force Sensing and Energy Recycling for upper Limb Rehablitation Robots
    Journal: Instrumentation Science & Technology
    Year: 2010
  21. Authors: Koichi Oka, Feng Sun
    Title: Noncontact Spining Mechanism Using Rotary Permanent Magnets
    Journal: 電気学会論文誌D
    Year: 2010
  22. Authors: K. Oka, Sun Feng, Yuuta Saibara
    Title: Magnetic suspension system by flux path control using rotary actuator
    Journal: International Journal of Applied Electromagnetics and Mechanics
    Year: 2010
  23. Authors: Chunguang LI, Yoshio INOUE, Tao LIU, Kyoko SHIBATA, Koichi OKA
    Title: Design and Implementation of a Compact Master-Slave Robotic System with Force Feedback and Energy Recycling
    Journal: Journal of System Design and Dynamics, Vol. 4, No. 1, pp. 13-25, JSME
    Year: 2010
  24. Authors: C. Li, Y. Inoue, T. Liu, K. Shibata, K. Oka
    Title: Design and Implementation of a Compact Master-Slave Robotic System with Force Feedback and Energy Recycling
    Journal: Journal of System Design and Dynamics, Vol. 2, No. 2, pp. 282-295, Trans. JSME
    Year: 2010
  25. Authors: Y. MATSUI, I. KOUNO, T. IWASA, M. MIYANAKA, Y. HIGASHI, Y. KUMAGAI, K. OKA, M. KATAOKA, M. NAGAHARA
    Title: Feasibility study for multipurpose usage of CCTV
    Journal: 14th ITS world congress, CD-ROM
    Year: 2007
  26. Authors: OKA Koichi
    Title: A Miniaturized Levitation System With Motion Control Using a Piezoelectric Actuator
    Journal: IEEE Trans. on Control System Technology, Vol. 10, No. 5, pp. 666-670
    Year: 2002
Grants-in-Aid for Scientific Research from the Japanese government
  1. Project title: Adequate infromation providing for aged drivers considering MRI data
    Category: Grant-in-Aid for Scientific Research (B)
    Project number: 25289167
    Project period: 2013/04-2016/03
    Total budget amount: 17,940,000 yen
    Keywords: 
  2. Project title: Adequate infromation providing for aged drivers considering MRI data
    Category: Grant-in-Aid for Scientific Research (B)
    Project number: 25289167
    Project period: 2013/04-2016/03
    Total budget amount: 17,940,000 yen
    Keywords: 

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Social activities

Committee roles
  1. Session Chair of 5th J-K Symposium on Dynamics and Control, JSME, 2017-2017
  2. Session Chair APISAT 2017, Japan Society for Aeronautical and Space Scienses, 2017-2017
  3. ICMA Program Committee, IEEE, 2017-2017
  4. Publish Chair, International Symposium on Magnetic Bearings, 2016-2017
  5. Program Committee Member, The 17th International Symposium on Applied Electromagnetics and Mechanics (ISEM), The 17th International Symposium on Applied Electromagnetics and Mechanics (ISEM), 2015-2015
  6. Program Committee member IEEE ICMA 2014, IEEE, 2014-2014
  7. 14th International Symposium on Magnetic Bearings, Program Committee, 2014-2014
  8. SICE Annual Conference Chair, 2014-2014
Published books
  1. A self-controlled master-slave robot and its application for upper limb rehabilitation, Springer, 2010

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