Publications

As of July. 30th 2022,
  1. Takaaki OIWA, Kyotaro AOYAMA and Junichi ASAMA: High-speed high-resolution inchworm based on displacement reducer driven by electromagnetic actuator, Transactions of the Japan Society of Mechanical Engineers, Vol.88, No.911, 2022(in Japanese).
  2. Tanaka, T., Oiwa, T. and Kotani, A. Proposal for a Multiple-DOF Spherical Gear and Investigation of Backlash and Transmitted Efficiency Between Gears. Int. J. Precis. Eng. Manuf. 22, 1897-1908 (2021).
  3. Toshiharu TANAKA, Riki OISHI, Toshihiro SHIMIZU, Akira KOTANI and Takaaki OIWA: Proposal of shaft coupling having hollow structure and evalluation of its Basic Mechanical Properties, Journal of Japan Society for Design Engineering, Vol.57, No.1, pp.29-38 (2022).(in Japanese)
  4. Kotaro MORI, Junichi ASAMA, Takaaki OIWA and Takao TORII: Resonance avoidance for a 2-DOF controlled maglev motor using d-axis current, Transactions of the Japan Society of Mechanical Engineers, Vol.85, No.872,(2019).(in Japanese)
  5. Junichi Asama, Takumi Oi, Takaaki Oiwa, and Akira Chiba: Simple Driving Method for a Two-DOF Controlled Bearingless Motor Using One Three-Phase Inverter, IEEE Transactions on Industry Application, Vol. 54, Issue 5, pp. 4365-4376, 2018. 10.1109/TIA.2018.2845405
  6. Y. Fujii, J. Asama, T. Oiwa, Akira Chiba: Positioning Accuracy Improvement for a Magnetically Levitated System Using Zero-Sequence Current of a Permanent Magnet Motor, IEEJ Transactions on Industry Applications, Vol.139, No.3, pp. 322-329 (2019).
  7. J. Asama, T. Oiwa, T. Shinshi, and A. Chiba: Experimental Evaluation for Core Loss Reduction of a Consequent-Pole Bearingless Disk Motor Using Soft Magnetic Composites, IEEE Transactions on Energy Conversion.Volume: 33 Issue 1,(2018.3) pp.324 - 332. https://doi.org/10.1109/TEC.2017.2738674
  8. Toshiharu Tanakaa, Takaaki Oiwa, Hashim Syamsul: Positioning behavior resulting from the application of ultrasonic oscillation to a linear motion ball bearing during step motion, Precision Engineering, Volume 51, January 2018, Pages 362-372
  9. Toshiharu Tanakaa, Kazuki ADACHI, Takaaki Oiwa, Akira KOTANI and Jiro OTSUKA: Ultra-Precision Positioning Using Linear Motion Ball Bearing and Linear Motor - Frictional Behavior in Displacement Ranges from Submilimeters to Nanometers-, J. Jpn. Soc. Precision Engineering, Vol.82, No.10, (2016) pp.881-887 (in Japanese)
  10. J. Asama, H. Suzuki, and T. Oiwa, Development of a Magnetically Suspended Double-Layered Cylinder with 1-DOF Active Positioning Control, Mechanical Engineering Journal, Vol. 3, No. 1, paper No. 15-00544, 2016. http://doi.org/10.1299/mej.15-00544
  11. Junichi ASAMA, Yusuke FUJII, Takaaki OIWA and Akira CHIBA: Novel control method for magnetic suspension and motor drive with one three-phase voltage source inverter using zero-phase current, JSME Mechanical Engineering Journal, Vol.2, No.4, (2015) 15-00116.
  12. Hashim Syamsul, Takaaki Oiwa, Toshiharu Tanaka, Junichi Asama: Positioning error improvement based on ultrasonic oscillation for a linear motion rolling bearing during sinusoidal motion, Precision Engineering, Vol. 38 (2014) pp.617-627.
  13. Asama, J.,Kanehara, D. ; Oiwa, T. ; Chiba, A.: Development of a Compact Centrifugal Pump With a Two-Axis Actively Positioned Consequent-Pole Bearingless Motor IEEE Transactions on Industry Applications, Vol. 50, No. 1, (2013) pp.288 - 295.
  14. Asama, J.,Kanehara, D. ;Oiwa, T. ; Chiba, A.: Suspension Performance of a Two-Axis Actively Regulated Consequent-Pole Bearingless Motor, IEEE Transactions on Energy Conversion, Vol. 28, No. 4.December 2013.
  15. Takaaki OIWA and Yuuya TERASAWA: Compensation System for Machine Frame Deformations of Parallel Kinematic Machine (Abbe's principle-based Improvement of compensation device), Transactions of the Japan Society of Mechanical Engineers, Vol. C79, No. 808 (2013) 5103-5116 (in Japanese).
  16. J. Asama, Y. Hamasaki, T. Oiwa, and A. Chiba, "Proposal and Analysis of a Novel Single-drive Bearingless Motor", IEEE Transactions on Industrial Electronics, Vol. 60, No. 1, pp. 129 - 138 , 2012.
  17. J. Asama, R. Natsume, H. Fukuhara, T. Oiwa, and A. Chiba, "Optimal Suspension Winding Configuration in a Homo-polar Bearingless Motor", IEEE Transactions on Magnetics, Vol. 48, Issue 11, pp. 2973 - 2976 , 2012.
  18. OIWA Takaaki, MAKINO Youhei, SATOU Motohiro, and ASAMA Junichi: Friction Reduction and Lubricity Improvement for Meshed Gears Based on Ultrasonic Oscillation (Experiment of friction reduction on the tooth frank), TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C78(788), 1242-1249, 2012(in Japanese).
  19. Junichi Asama, Ryo Kawata, Tomoyasu Tamura, Takaaki Oiwa, Akira Chiba: Reduction of force interference and performance improvement of a consequent-pole bearingless motor, Precision Engineering, Volume 36, Issue 1, January 2012, Pages 10-18.
  20. Takaaki OIWA, Masahide KATSUKI, Mituji KARITA, Wei GAO, Susumu MAKINOUCHI, Kaiji SATO and Yasuji OOHASHI:Review; Questionnaire Survey on Ultra-precision Positioning, International Journal of Automation Technology, Vol. 5, No. 6 (2011) pp. 766-772.
  21. OIWA Takaaki, MAKINO Youhei, SATOU Motohiro, and ASAMA Junichi: Friction Reduction and Lubricity Improvement for Meshed Gears Based on Ultrasonic Oscillation (Design and Trial Construction of Gear Shaft), TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 77(775), 737-741, 2011(in Japanese).
  22. Takaaki OIWA: Review for Special Issue on Parallel Structures in Manufacturing and Robotics: Precision Mechanisms Based on Parallel Kinematics, International Journal of Automation Technology, Vol. 4, No. 4 (2010) pp. 326-337.
  23. Toshiharu Tanaka, Jiro Otsuka, and Takaaki Oiwa: Precision Positioning Control by Modeling Frictional Behaviors of Linear Ball Guideway, International Journal of Automation Technology, Vol.3, No.3 pp. 334-342, 2009.
  24. Toshiharu Tanaka, Takaaki Oiwa, Jiro Otsuka and MASUDA Ikuro: Study on Friction Model of Linear Ball Guideway for Precision Positioning Control (3rd Report) : Accuracy Improvement by Control Method Using Nonlinear Frictional Model, J. Jpn. Soc. Precision Engineering, 74(11), 1171-1175. (in Japanese).
  25. Toshiharu Tanaka, Takaaki Oiwa, Jiro Otsuka: Study on Friction Model of Linear Ball Guideway for Precision Positioning Control (2nd Report) : Simulation of Full-closed Loop Control Using Bristle Model, J. Jpn. Soc. Precision Engineering, Vol. 72, No. 4 (2007) 465-469. (in Japanese).
  26. Toshiharu Tanaka, Takaaki Oiwa, Jiro Otsuka, Hajime Onda: Linear Ball Guideway for Precision Positioning : Method of Estimating Dynamic Characteristic from Static Behavior in Nonlinear Spring Area, J. Jpn. Soc. Precision Engineering, Vol. 72, No. 3 (2007) 350-354. (in Japanese).
  27. Toshiharu Tanaka, Kyohei Ikeda, Jiro Otsuka, Ikuro Masuda, Takaaki Oiwa: Influence of Rolling Friction in Linear Ball Guideways on Positioning Accuracy, International Journal of Precision Engineering and Manufacturing, Vol.8 No.2 Apr 2007 pp.85-89 .
  28. Takaaki OIWA: An Ultraprecise Machining System with a Hexapod Device to Measure Six-Degree-Of-Freedom Relative Motions Between The Tool And Workpiece, International Journal of Precision Engineering and Manufacturing, Vol.8 No.2 Apr 2007 pp.3-8.
  29. Takaaki OIWA: Friction control using ultrasonic oscillation for rolling element linear motion guide, Review of Scientific Instruments, Vol. 77, 016107 (2006) pp. 1-4.
  30. Toshiharu TANAKA, Takaaki OIWA and Jiro OTSUKA: Study on Friction Model of Linear Ball Guideway for Precision Positioning, J. Jpn. Soc. Precision Engineering, Vol. 72, No. 4 (2006) 470-474 (in Japanese).
  31. Takaaki Oiwa: Error Compensation System for Joints, Links and Mechine Frame of Parallel Kinematic Machine, International Journal of Robotics Research, Vol. 24, No. 12 (2005), pp. 1087-1102.
  32. Takaaki OIWA, Motohiro SENJO, Masaharu NAKAJIMA, and Jiro Otsuka: 3D Co-ordinate Comparator Using Reference Workpiece, J. Jpn. Soc. Precision Engineering, Vol. 71, No. 10 (2005) 1276-1280 (in Japanese).
  33. T. Oiwa, M. Senjo, M. Nakajima, and T. Masuda: Hand-operated translation stage with sub-nanometer resolution, Review of Scientific Instruments, 76, 7(2005) 076105 p.1-4.
  34. Takaaki Oiwa and Ryosuke Suzuki: Linear Rectangular Air Bearing Based on Squeeze Film Generated by Ultrasonic Oscillation, Review of Scientific Instruments, 76, 7 (2005) 075101pp.1-7.
  35. Takaaki Oiwa and Toshio Tanaka: Miniaturized three-dimensional touch trigger probe using optical fiber bundle, Measurement Science and Technology, 16 (2005) 1574-1581.
  36. Takaaki OIWA and Keiichi SHUTOH: A Calibration Method for Coordinate Measuring Machine using Parallel Mechanism - Calibration with Redundant Passive Prismatic Joint-, J. Jpn. Soc. Precision Engineering, Vol. 71, No. 4 (2005) pp.512-516 (in Japanese).
  37. Takaaki OIWA, Katsumi KANEKO and Akira KYUSOJIN: Motion error compensation of a mechanical contact spindle using a multi-degree-of-freedom micro-positioning stage, Review of Scientific Instrument, 76, 025104 (2005）pp. 1-7.
  38. Takaaki Oiwa and Masaya Kato: Squeeze air bearing based on ultrasonic oscillation : motion error compensation using amplitude modulation, Review of Scientific Instruments, 75, 11(2004) pp. 4615-4620.
  39. Takaaki OIWA and Hiroshi Nishitani: Three-Dimensional Touch Probe Based on Fiber Optic Displacement Sensors, Measurement Science and Technology, Vol. 15, No. 1(2004), pp84-90.
  40. Takaaki OIWA and Masato TAMAKI : A Study on Abbe's Principle of Six Degree-of-Freedom Parallel Mechanism ( Effect of Joint Runout on Motion Error of Mechanism), Transactions of the Japan Society of Mechanical Engineers, Vol. C69, No. 678 (2003) 472-477 (in Japanese).
  41. Takaaki OIWA and Yorihiro KATAOKA : A Calibration Method for Coordinate Measuring Machineusing Parallel Mechanism - Calibration with Double Ball Bar and Touch Trigger probe -, J. Jpn. Soc. Precision Engineering, No. 69, No. 2 (2003) 222-226 (in Japanese).
  42. Takaaki OIWA and Akira Kyusojin: Precision Linear Motion Link Mechanism, Journal of Advanced Automation Technology, Vol. 6, No. 1 (2003) pp. 15-20.
  43. Takaaki OIWA and Osamu YOSHIDA : In-process Measurement for Gear Eccentricity, J. Jpn. Soc. Precision Engineering, Vol. 68, No. 2（2002）244-247 (in Japanese).
  44. Takaaki OIWA, Masato KYOGOKU and Kohki YAMAGUCHI : Coordinate Measuring Machine using Parallel Mechanism (5th Report) - Kinematic Calibration with Three-Dimensional Ball Plate-, J. Jpn. Soc. Precision Engineering, Vol. 68, No. 1 (2002) 65-69 (in Japanese).
  45. Toshio YAMAMOTO and Takaaki OIWA : Link Layout Optimization for Parallel Mechanism using Genetic Algorithm, J. Jpn. Soc. Precision Engineering, Vol. 67, No. 10 (2001) 1652-1656 (in Japanese).
  46. Takaaki OIWA and Shuhei BABA : Coordinate Measuring Machine using Parallel Mechanism (4th Report) - Development of Trial Measuring Machine -, J. Jpn. Soc. Precision Engineering, Vol. 66, No. 11 (2000)1711-1715 (in Japanese).
  47. Takaaki OIWA and Kouki YAMAGUCHI : Coordinate Measuring Machine using Parallell Mechanism (3rd Report) - Abbe'S Principle -, J. Jpn. Soc. Precision Engineering, Vol. 66, No. 9 (2000) 1378-1382 (in Japanese).
  48. Takaaki OIWA and Takahiro MATSUNAGA : A Study on Torsional Elastic Hinge, J. Jpn. Soc. Precision Engineering, Vol. 66, No. 6 (2000) 955-959 (in Japanese).
  49. Takaaki OIWA and Takeshi OOTAWA : Six Degree-of-Freedom Fine Motion Mechanism using Parallel Mechanism (2nd Report) -Performance Test-, J. Jpn. Soc. Precision Engineering, Vol. 66, 2 (2000)　277-281 (in Japanese).
  50. Takaaki OIWA and Masakazu HIRANO : Six Degree-of-Freedom Fine Motion Mechanism using Parallel Mechanism - Link layout Design -, J. Jpn. Soc. Precision Engineering, Vol. 65, No.10（1999）1425-1429 (in Japanese).
  51. Takaaki OIWA, Shunsuke KOIKE and Shintaro MURASE : Optimum Shape Design for Sliding Surface of Beam Subjected to Moving Load (Simultaneous Minimization of Deflection and Deflection Angle at Loading Point), J. Jpn. Soc. Design Engineering, Vol. 34, No.10 (1999) 334-339 (in Japanese).
  52. Takaaki OIWA, Takumi OHTA and Satoshi OHKUBO : Stiffness Improvement of Bolted Joint - Uniformization of Contact Pressure Distribution -, J. Jpn. Soc. Precision Engineering, Vol. 65, No. 4 (1999) 537-541 (in Japanese).
  53. Takaaki OIWA, Naomichi and Shuhei BABA : New Coordinate Measuring Machine using Parallel Mechanism (2nd Report) - Link Layout Design and Error Analysis -, J. Jpn. Soc. Precision Engineering, Vol. 65, No. 2 (1999) 288-292 (in Japanese).
  54. Takaaki OIWA : New Coordinate Measuring Machine using Parallel Mechanism - Fundamentals and Kinematics -, J. Jpn. Soc. Precision Engineering, Vol. 64, 12 (1998)1791-1795 (in Japanese).
  55. Takaaki OIWA and Toshihiko SUGIMOTO : Shape Optimization for Flexure Hinges, J. Jpn. Soc. Precision Engineering, Vol. 63, No. 10 (1997) 1454-1458 (in Japanese).
  56. Takaaki OIWA : New Coordinate Measuring Machine Featuring a Parallel Mechanism, International Journal of the Japan Society for Precision Engineering, 31, 3 (1997)232-233.
  57. Takaaki OIWA, Tsuyoshi KAMIURA and Akira KYUSOJIN : High-Rigidity Multi-Degree-of-Freedom Fine Motion Mechanism using Piezoelectric Actuators (2nd Report) - Extension to Six-Degrees-of-Freedom -, J. Jpn. Soc. Precision Engineering, Vol. 62, No. 9 (1996) 1302-1306 (in Japanese).
  58. Takaaki OIWA and Akira KYUSOJIN : Study of cylindrical grinding using ball and cone centers : static and dynamic characteristics of cone and ball center systems, Precision Engineering,17,1(1995).
  59. Takaaki OIWA, Katsumi KANEKO, Takeshi KANEKO and Akira KYUSOJIN : High-Rigidity Multi-Degrees-of-Freedom Fine Motion Mechanism using Piezoelectric Actuators, J. Jpn. Soc. Precision Engineering, Vol. 60，9 (1994)1355-1359 (in Japanese).
  60. Takaaki OIWA and Akira KYUSOJIN : Effect of Profiles of Center and Center Hole on Rotation Accuracy of Workpiece, Transactions of the Japan Society of Mechanical Engineers, Vol. 60, No. 573C, (1994)1843-1848 (in Japanese).
  61. Takaaki OIWA and Akira KYUSOJIN : Precision Linear Motion Link Mechanism Using Steel Balls, Journal of Advanced Automation Technology, 6-1, (1994)15-20.
  62. Takaaki OIWA and Akira KYUSOJIN : Precision Linear-motion Link Mechanism using Steel Balls, J. Jpn. Soc. Precision Engineering, Vol. 59, 4 (1993)601-606 (in Japanese).
  63. Takaaki OIWA, Minoru Suzuki and Akira KYUSOJIN : Spatial Coordinate Measuring using Structured Laser Light and a Spherical Mirror, J. Jpn. Soc. Precision Engineering, Vol. 59, 2 (1993)305-310 (in Japanese).
  64. Takaaki OIWA and Akira KYUSOJIN : Development of a precise cylindrical grinding by ball centers - Effect of dynamic stiffness on work profile -, Precision Engineering, 14, 4 (1992) 237-242.
  65. Takaaki OIWA and Akira KYUSOJIN : Development of a precise cylindrical grinding by ball centres - Effect of ball wear -, Precision Engineering, 15, 2 (1993)106-111.
  66. Takaaki OIWA and Akira KYUSOJIN : Development of Precise Cylindrical Grinding by Ball Centers ( Continued Report) - Effect of Ball Wear -, J. Jpn. Soc. Precision Engineering, Vol. 58,8(1992)1375-1380 (in Japanese).
  67. Takaaki OIWA and Akira KYUSOJIN : Development of a precise cylindrical grinding by ball centres - Contact stiffness between ball and centre hole -, Precision Engineering, 12,1(1990)37-42.
  68. Takaaki OIWA and Akira KYUSOJIN : Development of a Precise Cylindrical Grinding by Ball Centers (1st Report) - Contact Stiffness between Ball and Center Hole -, J. Jpn. Soc. Precision Engineering, Vol. 54,12(1988)2319-2324 (in Japanese).
  69. Takaaki OIWA, Kazuo KOBAYASHI and Akira TOYAMA : Grinding of high accurate hourglass worm -Trial manufacture of worm grinding device-, Precision Engineering, 12,2(1990)85-90.
  70. Takaaki OIWA, Kazuo KOBAYASHI and Akira TOYAMA: Grinding of High Accurate Hourglass Worm - Trial Manufacture of Worm Grinding Device-, J. Jpn. Soc. Precision Engineering, Vol. 54,2(1988)408-413 (in Japanese).