音や光でモノを見る・動かす―超音波と光波を用いたセンサやアクチュエータの研究

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査読付き論文（～2009）

  1. Takahiro Aoyagi, Marie Nakazawa, Masaya Tabaru, Kentaro Nakamura, Sadayuki Ueha. Measurement of Surface Acoustic Wave Velocity Using a Variable-Line-Focus Polyurea Thin-Film Ultrasonic Transducer, IEEE Transactions on UltrasonIcs, FerroelectrIcs, and Frequency control, IEEE, Vol. 56, No. 8, pp. 1761-1768, Aug. 2009.
  2. Daisuke Koyama, Kentaro Nakamura. Noncontact Self-Running Ultrasonically Levitated Two-Dimensional Stage Using Flexural Standing Waves, Jpn. J. Appl. Phys., Vol. 48, No. 7, pp. 07GM07-1-5, Jul. 2009.
  3. Hyun-Rok Cha, Sung Ho Lee, Seoung Kyu Jeon, Jea-ik Cho, Kentaro Nakamura. Motor Core Fabrication through Ultrasonic Vibration Compaction of Soft Magnetic Composite, Jpn. J. Appl. Phys., Vol. 48, No. 7, pp. 07GM18-1-4, Jul. 2009.
  4. Takeshi Iino, Kentaro Nakamura. Acoustic and Acousto-Optic Characteristics of Silicon Nanofoam, Jpn. J. Appl. Phys., Vol. 48, No. 7, pp. 07GE01-1-4, Jul. 2009.
  5. Yasuyuki Goda, Daisuke Koyama, Kentaro Nakamura. Design of Multi-Degree-of-Freedom Ultrasonic Micro Motors, Jpn. J. Appl. Phys., Vol. 48, No. 7, pp. 07GM06-1-4, Jul. 2009.
  6. Natsuki Yoshizumi, Shigemi Saito, Daisuke Koyama, Kentaro Nakamura, Akihisa Ohya, Iwaki Akiyama. Multiple-frequency ultrasonic imaging by transmitting pulsed waves of two frequencies, J. Med. Ultrasonics, The Japan Society of Ultrasonics in Medicine, Vol. 36, No. 2, pp. 53–60, Jun. 2009.
  7. Yasuyuki Goda, Daisuke Koyama, Kentaro Nakamura, Sadayuki Ueha. A 2 x 2 array of the multi-degree-of freedom ultrasonic actuators for a low prfile two-dimensional sliiding table, IEICE Electronics Express, IEICE, Vol. 6, No. 6, pp. 317-321, Mar. 2009.
  8. Xiaofeng Zhang, Kentaro Nakamura, Sadayuki Ueha. Two-joint robot finger design based on multi-degree-of-freedom ultrasonic motors, Acoustical Sci. & Tech., Acoustical Society of Japan, Vol. 30, No. 1, pp. 42-47, Jan. 2009.
  9. 武井 裕之, 小山 大介, 中村 健太郎, 上羽 貞行. たわみ振動板と反射板による発生空気流量の改善, 電子情報通信学会論文誌Ａ, （社）電子情報通信学会, Vol. J91-A, No. 12, pp. 1152-1155, Dec. 2008.
  10. 吉住 夏輝, 斎藤 茂実, 小山 大介, 中村 健太郎, 秋山いわき. 二周波駆動超音波振動子のビーム特性, 電子情報通信学会論文誌 Ａ, （社）電子情報通信学会, Vol. J91-A, No. 12, pp. 1125-1133, Dec. 2008.
  11. Takeshi HASEGAWA, Daisuke KOYAMA, Kentaro NAKAMURA, Sadayuki UEHA. A design of a miniature ultrasonic pump using a bending disk transducer, J. Electroceram, Springer, Vol. 20, No. 3-4, pp. 145-151, Aug. 2008.
  12. Daisuke Koyama, Hiroyuki Takei, Kentaro Nakamura, Sadayuki Ueha. A self-running standing wave-type bidirectional slider for the ultrasonically levitated thin linear stage, IEEE Trans. on UFFC, IEEE, Vol. 55, No. 8, pp. 1823-1830, Aug. 2008.
  13. Daisuke Koyama, Kentaro Nakamura, Sadayuki Ueha, Hisanori Takahashi, Kazumitu Nukui, Kenzo Ikeda. A method for measuring liquid level using the flexural vibrations in a rod, Acoustical Science and Technology, The Acoustical Society of Japan, Vol. 29, No. 4, pp. 274-282, Jul. 2008.
  14. Masaya Tabaru, Marie Nakazawa, Kentaro Nakamura, Sadayuki Ueha. Tree-Axis Acceleration Sensor Using Polyurea Films, Jpn. J. Appl. Phys., The Japan Society of Applied Physics, Vol. 47, No. 5, pp. 4044-4047, May 2008.
  15. Takafumi Yoshino, Daisuke Koyama, Kentaro Nakamura, Sadayuki Ueha, Katsuhiro Seino. Experimental Study on Ultrasonic Purification Appratus for Civil Enginerring Use, Jpn. J. Appl. Phys., The Japan Society of Applied Physics, Vol. 47, No. 5, pp. 4296-4299, May 2008.
  16. Takeshi Hasegawa, Daisuke Koyama, Kentaro Nakamura, Sadayuki Ueha. Modeling and performance Evaluation of an Ultrasonic Suction Pump, Jpn. J. Appl. Phys., The Japan Society of Applied Physics, Vol. 47, No. 5, pp. 4248-4252, May 2008.
  17. Hiroyuki Takei, Daisuke Koyama, Kentaro Nakamura, Sadayuki Ueha. Air Flow in a Small Gap between Bending Vibrator and Reflector, Jpn. J. Appl. Phys., The Japan Society of Applied Physics, Vol. 47, No. 5, pp. 4276-4281, May 2008.
  18. 里信 純, 梅田 幹雄, 関口 泰久, 中村 健太郎, 上羽 貞行. ボルト締めランジュバン型複合振動子を駆動源とする超音波モータの高振動振幅動作時における出力特性解析, 日本設計工学会誌「設計工学」, 社団法人 日本設計工学会, Vol. 43, No. 3, pp. 163-168, Mar. 2008.
  19. Xiaofeng Zhang, Yasuyuki Gouda, Daisuke Koyama, Kentaro Nakamura, Sadayuki Ueha. A basic design of robot finger joint using multi-degree-of-freedom ultrasonic motor, Acoustical Science and Technology, The Acoustical Society of Japan, Vol. 29, No. 3, pp. 235-237, Mar. 2008.
  20. Osamu Koyama, Daisuke Koyama, Kentaro Nakamura, Sadayuki Ueha. Ultrasonic linear motor using traveling vibration on fine ceramic twin ridges, Acousitical Sicence and Technology, The Acoustical Society of Japan, Vol. 29, No. 1, pp. 95-98, Jan. 2008.
  21. Daisuke Koyama, Kentaro Nakamura, Sadayuki Ueha. A Stator for a Self-Running, Ultrasonically-Levitated Sliding Stage, IEEE TRANS.U FFC, Vol. 54, No. 11, pp. 2337-2343, Nov. 2007.
  22. Marie Nakazawa, Tsutomu Kosugi, Hiromi Nagatsuka, Akihiro Maezawa, Kentaro Nakamura, Sadayuki Ueha. Polyurea Thin Film Ultrasonic Transducers for Nondestructive Testing and Medical Imaging, IEEE TRANS. U FFC, Vol. 54, No. 10, pp. 2165-2174, Oct. 2007.
  23. Takahiro AOYAGI, Marie NAKAZAWA, Kentaro NAKAMURA, Sadayuki UEHA. Numerical Analysis of Ultrasonic Beam of Variable-Line-Focus-Beam Film Transducer, Japan Journal of Applied Physics, Vol. 46, No. 7B, pp. 4486-4489, Jul. 2007.
  24. Takeshi Hasegawa, Daisuke KOYAMA, Kentaro NAKAMURA, Sadayuki UEHA. Improvement in the Flow Rate of a Miniature Ultrasonic Suction Pump, Jpn. J. Appl. Phys., The Japan Society of Applied Physics, Vol. 46, No. 7B, pp. 4931-4935, Jul. 2007.
  25. Hiroyuki Takei, Takeshi Hasegawa, Kentaro Nakamura, Sadayuki Ueha. Measurement of Intense Ultrasound Field in Air Using Fiber Optic Probe (Brief Communication), Jpn. J. Appl. Phys., The Japan Society of Applied Physics, Vol. 46, No. 7B, pp. 4555-4557, Jul. 2007.
  26. Marie Nakazawa, Masaya Tabaru, Kentaro Nakamura, Sadayuki Ueha, Akihiro Maezawa. Multilayered Transducers Using Polyurea Film, Jpn. J. Appl. Phys., The Japan Society of Applied physics, Vol. 46, No. 7B, pp. 4466-4473, Jul. 2007.
  27. 吉住夏輝, 中村健太郎, 上羽貞行. 手持ちマイクロホンによる遠方・広範囲の音場可視システム, 日本音響学会誌, 日本音響学会, Vol. 63, No. 8, pp. 416-424, 2007.
  28. Yasuyuki Gouda, Kentaro Nakamura, Sadayuki Ueha. A miniaturization of the multi-degree-of-freedom ultrasonic actuator using a small cylinder fixed on a substrate, Ultrasonics, Vol. 44, supplement 1, pp. 617-620, Dec. 2006.
  29. Takeshi Hasegawa, Kentaro Nakamura, Sadayuki Ueha. A miniature ultrasonic pump using a bending disk transducer and a gap, Ultrasonics, Vol. 44, supplement 1, pp. 575 – 579, Dec. 2006.
  30. D. Koyama, A. Yagishita, K. Nakamura, S. Ueha, T. Fujimoto. Improved monitoring of intracranial echo-guided surgery: Reduction of backscattering and recognition of the operating part using microcapsule vibration, Neurosonology, Vol. 19, No. 1, pp. 25-28, Oct. 2006.
  31. 佐久間 博久, 中村 健太郎, 上羽 貞行. ガスの流れがガス管音響通信に与える影響の検討, 日本音響学会誌, 日本音響学会, Vol. 62, No. 8, pp. 580-586, Aug. 2006.
  32. James Friend, Yasuyuki Gouda, Kentaro Nakamura, Sadayuki Ueha. A Simple Bidirectional Linear Microactuator for Nanopositioning – the Baltan Microacatuator, IEEE Trans. UFFC, Vol. 53, No. 6, pp. 1160-1168, Jun. 2006.
  33. Norimichi Fukuma, Kentaro Nakamura, Sadayuki Ueha. Synthesis of Rejection Band Profile in Ultrasonically Induced Long-Period Optical Fiber Gratings, Jpn. J. Appl. Phys., Vol. 45, No. 5B, pp. 4596-4600, 2006.
  34. Takuma Fujisue, Kentaro Nakamura, Sadayuki Ueha. Demodulation of Acoustic Signals in Fiber Bragg Grating Ultrasinic Sensors Using Arrayed Wavegide Gratings ( Brief communication), Jpn. J. Appl. Phys., Vol. 45, No. 5B, pp. 4577-4579, 2006.
  35. T. Ide, J. Friend, KENTARO NAKAMURA, Sadayuki Ueha. A non-contact linear bearing and actuator via ultrasonic levitation, Sensors and Actuators A, Vol. 135, pp. 740-747, 2006.
  36. 吉住 夏輝, 中村 健太郎, 上羽 貞行. 手持ちマイクロホンによる音場可視化システム, 日本音響学会誌, Vol. 62, No. 3, pp. 282-289, 2006.
  37. Hirohisa Sakuma, Kentaro Nakamura, Sadayuki Ueha. Two way communication over gas pipe-line using multicarrier modulated sound waves with cyclic frequency shifting, Acoust. Sci. & Tech., Vol. 27, No. 4, pp. 225-232, 2006.
  38. Kentaro Nakamura, Toshiyuki Matsumura, Sadayuki Ueha. A load cell using fiber Bragg grating with inherent mechanical temperature compensation, STRUCT. CONTROL HEALTH MONIT., Vol. 12, 345-355, Dec. 2005.
  39. Masahiko Tominaga, Ryuta Kaminaga, James Friend, Kentaro Nakamura, Sadayuki Ueha. An Ultrasonic Linear Motor Using Ridge-Mode Traveling Waves, IEEE TRANS. UFFC, Vol. 52, No. 10, pp. 1735-1742, Oct. 2005.
  40. James Friend, Kentaro Nakamura, Sadayuki Ueha. A Traveling-wave, Modified Ring Linear Piezoelectric Microactuator with Enclosed Piezoelectric Elements – The “Scream” Actuator, IEEE TRANS. UFFC, Vol. 52, No. 8, pp. 1343-1353, Aug. 2005.
  41. Takeshi HASEGAWA, James R. FRIEND, Kentaro NAKAMURA, Sadayuki UEHA. Characteristics of Ultrasonic Suction Pump Without Moving Parts, Jpn. J. Appl. Phys., Vol. 44, No. 6B, pp. 4658-4661, 2005.
  42. Junichi SAITO, James R. FRIEND, Kentaro NAKAMURA, Sadayuki UEHA. Resonant Mode Design for Noncontact Ultrasonic Motor with Levitated Rotor, Jpn. J. Appl. Phys., Vol. 44, No. 6B, pp. 4666-4668, 2005.
  43. Xisheng Li, Kentaro Nakamura, Sadayuki Ueha. Cancellation of parametric-effect-induced error in airborne ultrasound Doppler velocimetry, Acoust. Sci. & Tech., Vol. 26, No. 4, pp. 338-344, 2005.
  44. Takeshi IDE, James R. FRIEND, Kentaro NAKAMURA, Sadayuki UEHA. A Low-Profile Design for the Noncontact Ultrasonically Levitated Stage, Jpn. J. Appl. Phys., Vol. 44, No. 6B, pp. 4662-4665, 2005.
  45. Y. Hirao, K. Yamamoto, K. Nakamura, S. Ueha. Development of a hand-held sensor probe for detection of sound components radiated from a specific device using surface intensity measurements, Applied Acoustics, Vol. 65, pp. 719-735, 2004.
  46. Xisheng Li, Kentaro Nakamura, Sadayuki Ueha. Reflectivity and illuminating power compensation for optical fibre vibrometer, Meas. Sci. Technol., Vol. 15, pp. 1773-1778, 2004.
  47. James Friend, Akira Umeshima, Takaaki Ishii, Kentaro Nakamura, Sadayuki Ueha. A piezoelectric Linear actuator formed from a multitude of bimorphs, Sensors and Actuators A, Vol. 109, pp. 242-251, 2004.
  48. Cheol-Ho Yun, Takeshi Hasegawa, Kentaro Nakamura, Sadayuki Ueha. An Ultrasonics Suction Pump with No Physically Moving Parts, Jpn. J. Appl. Phys., Vol. 43, No. 5B, pp. 2864-2868, 2004.
  49. Keisuke Ampo, Kentaro Nakamura, Sadayuki Ueha, Shinobu Tanaka. Leveling Viscous Fluids Using Ultrasonic Wave, Jpn. J. Appl. Phys., Vol. 43, No. 5B, pp. 2857-2861, 2004.
  50. James Friend, Kentaro Nakamura, Sadayuki Ueha. A Piezoelectroc Micromotor Using In -Plane Shearing of PTZ Elements, IEEE/ASME Trans. Mechatronics, Vol. 9, No. 3, pp. 467-473, 2004.
  51. Irwan Rawal Husdi, Kentaro Nakamura, Sadayuki Ueha. Sensing characteristics of plastic fibres measured by optical time-domein reflectometry, Meas. Sci. Technol., Vol. 15, pp. 1553-1559, 2004.
  52. Dongzhe Bai, Takaaki Ishii, Kentaro Nakamura, Sadayuki Ueha, Toshiaki Yonezawa, Tomokazu Takahashi. An Ultrasonic Motor Driven by the Phase-Velocity Difference Between Two Traveling Waves, IEEE TRANS. UFFC, Vol. 51, No. 6, pp. 680- 685, 2004.
  53. James Friend, Kentaro Nakamura, Sadayuki Ueha. Acoustic Waveguides for Actuators, Jpn. J. Appl. Phys., Vol. 43, No. 5B, pp. 3040-3044, 2004.
  54. James Friend, Kentaro Nakamura, Sadayuki Ueha. A Torsional Transducer Through In-Plane Shearing of Paired Planar Piezoelectric Elements, IEEE TRANS. UFFC, Vol. 51, No. 7, pp. 871-878, 2004.
  55. 梅田幹雄, 坂井康弘, 中村健太郎. 圧電素子を用いた衝撃・振動による自己発電型ドアアラームシステム, IEEJ Trans. SM （電学論 Ｅ), Vol. 123, No. 12, pp. 534-540, May 2003.
  56. M. MORIYA, T. OKAMURA, T.SUGIMOTO, T. SHIRAKAWA, K. NAKAMURA. Study on the Characteristics of Sound Propagation in Shallow Undergraund by Air-Borne Sound, Jpn. J. Appl. Phys., Vol. 42, Part 1, No. 5B, pp. 2929-2930, May 2003.
  57. Cheol-Ho YUN, Shinichiro NIWANO, James R. FRIEND, Kentaro NAKAMURA, Sadayuki UEHA. Support Mechanism for the Ball Rotor in the Three-Degree-of-Freedom Ultrasonic Motor, Jpn. J. Appl. Phys., Vol. 42, Part 1.No.5B, pp. 3000-3001, May 2003.
  58. James R. Friend, Jun Satonobu, KENTARO NAKAMURA, Sadayuki Ueha, Daniel S. Stutts. A Single-Element Tuning Fork Piezoelectric Linear Actuator, IEEE Trans. UFFC, Vol. 50, No. 2, pp. 179-186, 2003.
  59. 中村健太郎, 杉本恒美. 圧電セラミックスと発光ダイオードを用いた超音波音場の測定, 電子情報通信学会論文誌 C, 電子情報通信学会, Vol. J86-C, No. 12, pp. 1331-1336, 2003.
  60. Junhui Hu, Kentaro Nakamura, Sadayuki Ueha. Stability Analysis of an Acoustically Levitated Disk, IEEE Trans. UFFC, Vol. 50, 2, pp. 117-127, 2003.
  61. 中村健太郎, 土方泰斗. ファブリペロー型光ファイバ超音波プローブの受波特性, 電子情報通信学会論文誌 C, Vol. J86-C, No. 12, pp. 1340-1341, 2003.
  62. 中村健太郎, 植之原裕行, 宮本智之. 超音波振動による光ファイバの位置決め, 第19回センサ・マイクロマシンと応用システムシンポジウム講演概要集, Vol. A5, No. 2, pp. 79, 2002.
  63. Hiroshi Kawai, Yoshikazu Koike, Kentaro Nakamura, Sadayuki Ueha. An estimation of Vibration intensity from the measured Vibration locus at one point, Acoust. Sci & Tech, Vol. 23, No. 5, pp. 252-257, 2002.
  64. Yasuhiro Sasaki, Sadayuki Takahashi, Mikio Umeda, Kentaro Nakamura, Sadayuki Ueha. Behavior of Piezoelectric Ceramics under High Sinusoidal Vibration Stress, Transactions of the Materials Research Society of Japan, Vol. 27, No. 1, pp. 259-264, 2002.
  65. Jun Satonobu, James R. Friend, Kentaro Nakamura, Sadayuki Ueha. Numerical analysis of the hybrid transducer ultrasonic motor: comparison of characteristics calculated by transmission-line and lumped-element models, Ultrasonics, Vol. 39, pp. 559-565, 2002.
  66. Cheol-ho Yun, Takaaki Ishii, Kentaro Nakamura, Sadayuki Ueha, Koji Akashi. Holding Mechanism using a Resonance System for a High-power Ultrasonic Linear Motor, Jpn. J. Appl. Phys, Vol. 41, Part 1, No. 5B, pp. 3261-3266, 2002.
  67. Mitsuru YAMAMOTO, Yasuhei SHIMADA, Yasuhiro SASAKI, Takeshi INOUE, Kentaro NAKAMURA, Sadayuki UEHA. A Multilayered Piezoelctric Transformer Operating in the Third Order Longitudinal Mode and Its Application for an Inverter, IEICE TRANS. ELECTRON., Vol. E85-C, No. 10, pp. 1824-1829, 2002.
  68. Mikio UMEDA, Kentaro NAKAMURA, Sadayuki TAKAHASHI, Sadayuki UEHA. Waveforms of the Vibration Velocity and the Current of a Piezoelectric Transducer in the Transient State, Jpn. J. Appl. Phys., Vol. 40, Part 1, No. 9B, pp. 5735-5739, 2001.
  69. Kentaro Nakamura, Shuntaro Toda, Makoto Yamanouchi. A two-dimensional optical fibre microphone array with matrix-style data readout, Meas. Sci. Technol., Vol. 12, pp. 859-864, 2001.
  70. Jun Satonobu, James Friend, Kentaro Nakamura, Sadayuki Ueha. Numerical Analysis of the Symmetric Hybrid Transducer Ultrasonic Motor, IEEE TRANS. UFFC, Vol. 48, No. 6, pp. 1625-1631, 2001.
  71. Cheol-Ho Yun, Takaaki Ishii, Kentaro Nakamura, Sadayuki Ueha, Koji Akashi. A High Power Ultrasonic Linear Motor Using a Longitudinal and Bending Hybrid Bolt-Clamped Langevin Type Transducer, Jpn. J. Appl. Phys., Vol. 40, Part 1, No. 5B, pp. 3773-3776, 2001.
  72. Kentaro Nakamura, Takahiro Okada, Sadayuki Ueha. Measuring the optical path length of a plastic optical fibre using the sing-around method and its sensor applications, J. Opt. A, Vol. 3, No. 5, pp. L17-L19, 2001.
  73. Ysauto Hijikata, Kentaro Nakamura. Wavelength-division-multiplexing in fiber-optic micro-probe array for high frequency ultrasonic field measurements, IEICE Trans. Electron., Vol. E83-C, No. 3, pp. 293-297, Mar. 2000.
  74. Jun Satonobu, DongKyung Lee, Kentaro Nakamura, Sadayuki Ueha. Improvement of the Longitudinal Vibration System for the Hybrid Transducer Ultrasonic Motor, IEEE Trans. UFFC, Vol. 47, No. 1, pp. 216-221, 2000.
  75. Yoshikazu KOIKE, Kei HIRAIZUMI, Jun SAKAI, Kentaro NAKAMURA, Sadayuki UEHA. Finite Element Method Aided Power Flow Mapping of an Ultrasonic Vibration Tool, Jpn. J. Appl. Phys., Vol. 39, Part 1, No. 5B, pp. 2995-2998, 2000.
  76. 石井孝明, 高橋久徳, 中村健太郎, 上羽貞行, 大西一正. 超音波モータ用摩擦材料の摩耗予測法, トライボロジスト, Vol. 45, No. 1, pp. 62-71, 2000.
  77. Takafumi AMANO, Yoshikazu KOIKE, Kentaro NAKAMURA, Sadayuki UEHA, Yoshiki HASHIMOTO. A Multi-Transducer Near Field Acoustic Levitation System for Non-contact Transportation of Large-Sized Planar Objects, Jpn. J. Appl. Phys., Vol. 39, Part 1, No. 5B, pp. 2982-2985, 2000.
  78. Mikio Umeda, Sadayuki Takahashi, Yasuhiro Sasaki, Kentaro Nakamura, Sadayuki Ueha. Vibration Stress and Temperature Dependence of Piezoelectric Resonators with Lead-Zirconate-Titanate Ceramics, Electronics and Communications in Japan, Part 2, Vol. 83, No. 9, pp. 1-7, 2000.
  79. Mikio UMEDA, Kentaro NAKAMURA, Sadayuki TAKAHASHI, Sadayuki UEHA. An Analysis of Jumping and Dropping Phenomena of Piezoelectric Transducers using the Electrical Equivalent Circuit Constants at High Vibration Amplitude Levels, Jpn. J. Appl. Phys., Vol. 39, Part 1, No. 9B, pp. 5623-5628, 2000.
  80. E. Matsuo, Y. Koike, K. Nakamura, S. Ueha, Y. Hashimoto. Holding characteristics of planar objects suspended by near-field acoustic levitation, Ultrasonics, Vol. 38, pp. 60-63, 2000.
  81. KENTARO NAKAMURA, Kiyotsugu Kakihara, Masahiko Kawakami, Sadayuki Ueha. Measuring vibration characteristics at large amplitude region of materials for high power ultrasonic vibration system, Ultrasonics, Vol. 38, pp. 122-126, 2000.
  82. Kentaro Nakamura, Koji Nimura. Measurements of ultrasonic field and temperature by a fiber optic micro-probe, J. Acoust. Soc. Jpn. (E), Vol. 21, No. 5, pp. 267-269, 2000.
  83. Mikio UMEDA, KENTARO NAKAMURA, Sadayuki UEHA. Effects of Vibration Stress and Temperature on the Characteristics of Piezoelectric Ceramics under High Vibration Amplitude Levels Measured by Electrical Transient Responses, Jpn. J. Appl. Phys., Vol. 38, Part 1, No. 9B, pp. 5581-5585, 1999.
  84. Masahiko TAKAKUSAKI, Jun SATONOBU, Yoshikazu KOIKE, Kentaro NAKAMURA, Sadayuki UEHA. Design of a radiation plate for load testing of the torsional transducers, J. Acoust. Soc. Jpn.(E), Vol. 20, No. 2, pp. 109-116, 1999.
  85. TAKAAKI ISHII, HISANORI TAKAHASHI,, KENTARO NAKAMURA, SADAYUKI UEHA. A Low-Wear Driving Method of Ultrasonic Motors, Jpn. J. Appl. Phys., Vol. 38, Part 1, No. 5B, pp. 3338-3341, 1999.
  86. Toru Hatanaka, Yoshikazu Koike, Kentaro Nakamura, Sadayuki Ueha, Yoshiki Hashimoto. Characteristics of Underwater Near-Field Acoustic Radiation Force Acting on a Planar Object, Jpn. J. Appl. Phys., Vol. 38, Part 2, No. 11A, pp. L1284-L1285, 1999.
  87. 梅田幹雄, 高橋貞行, 佐々木康弘, 中村健太郎, 上羽貞行. ジルコン・チタン酸鉛系圧電セラミック振動子振動応力及び温度依存性, 電子情報通信学会論文誌 C-I, Vol. J82-C-I, No. 12, pp. 762-768, 1999.
  88. Kentaro Nakamura, Masaru Uchiyama. A Fiber Optic Vertical Coupler for the Matrix Tactile Sensor, Trans. IEE of Japan (E), Vol. 119-E, No. 2, pp. 113-114, 1999.
  89. Junhui Hu, Kentaro Nakamura, Sadayuki Ueha. A noncontact ultrasonic motor with the rotor levitated by axial acoustic viscous force, Electronics and Communications in JAPAN, Part 3, Vol. 82, No. 4, pp. 56-63, 1999.
  90. Yasuto Uno, Kentaro Nakamura. Pressure sensitivity of a fiber-optic microprobe for high frequency ultrasonic field, Jpn. J. Appl. Phys., Vol. 38, Part 1, No. 5B, pp. 3120-3123, 1999.
  91. Mikio Umeda, Kentaro Nakamura, Sadayuki Ueha. Effects of a Series Capacitor on the Energy Consumption in Piezoeclectric Transducers at High Vibration Amplitude Amplitude Level, Jpn. J. Appl. Phys., Vol. 38, Part 1, No. 5B, pp. 3327-3330, 1999.
  92. TAKAAKI ISHII, Eiichi MATSUO, KENTARO NAKAMURA, Sadayuki UEHA, Kazumasa OHNISHI. Characteristics of Ultrasonic Motors Driven in a Vacuum, Jpn. J. Appl. Phys., Vol. 37, Part 1, No. 5B, pp. 2956-2959, 1998.
  93. Yasuto Uno, Kentaro Nakamura. Fabrication and Performance of a Fiber Optic Micro-Probe for Megahertz Ultrasonic Field Measurements, Trans. IEE of Japan (E), Vol. 118-E, No. 11, pp. 487-492, 1998.
  94. Jun SATONOBU, KENTARO NAKAMURA, Sadayuki UEHA. Torque accumulation for hybrid transducer ultrasonic motors using a coaxial driveshaft connection mechanism, J. Acout. Soc. Jpn.(E), Vol. 19, No. 1, pp. 39-49, 1998.
  95. Jun Satonobu, Manabu Kihara, Yoshikazu Koike, Kentaro Nakamura, Sadayuki Ueha. Electrical Series Connection Drive for Several Hybrid-Transducer Ultrasonic Motors, Electronics and Communications in Japan, Part 3, Vol. 81, No. 12, pp. 11-22, 1998.
  96. Kentaro Nakamura, Sadayuki Ueha. Potential Ability of Ultrasonic Motors: A Discussion Focused on the Friction Control Mechanism, Electronics and Communications in Japan, Part 2, Vol. 81, No. 4, pp. 57-68, 1998.
  97. Jun SATONOBU, James Friend, KENTARO NAKAMURA, Sadayuki UEHA:. Torque accumulation of torsional vibration using a vibration disk with nodal circles, J. Acoust. Soc. Jpn.(E), Vol. 19, No. 6, pp. 413-416, 1998.
  98. Mikio UMEDA, KENTARO NAKAMURA, Sadayuki UEHA:. The Measurement of High-Power Characteristics for a Piezoelectric Transducer Based on the Electrical Transient Response, Jpn. J. Appl. Phys., Vol. 37, Part 1, No. 9B, pp. 5322-5325, 1998.
  99. Junhui HU, KENTARO NAKAMURA, Sadayuki UEHA. An analysis of noncontact ultrasonic motor with an ultrasonically levitated rotor, Ultrasonics, Vol. 35, pp. 459-467, 1997.
  100. Ryusuke MORIKAWA, KENTARO NAKAMURA, Sadayuki UEHA. Measuring the structural intensity by sensing the in-plane vibration, J. Acoust. Soc. Jpn. (E), Vol. 18, No. 4, pp. 201-203, 1997.
  101. TAKAAKI ISHII, Keisuke OHTANI, KENTARO NAKAMURA, Sadayuki UEHA. Basic Characteristics of a hopping Ultrasonic Motor, J. Acoust. Soc. Jpn.(E), Vol. 18, No. 5, pp. 281-283, 1997.
  102. Yoshikazu Koike, Manabu Kihara, Jun Satonobu, Kentaro Nakamura, Sadayuki Ueha. A Peripherally bolted torsional Langevin Vibrator with large diameter, J. Acout. Soc. Jpn.(E), Vol. 18, No. 5, pp. 239-246, 1997.
  103. Mikio UMEDA, KENTARO NAKAMURA, Sadayuki UEHA. Energy Storage Charateristics of a Piezo-Generator using Impact Induced Vibration, Jpn. J. Appl. Phys., Vol. 36, Part 1, No. 5B, pp. 3146-3151, 1997.
  104. KENTARO NAKAMURA, Jacques MARGAIRAZ, TAKAAKI ISHII, Sadayuki UEHA. Ultrasonic Stepping Motor Using Spatially Shifted Standing Vibrations, IEEE Trans. UFFC, Vol. 44, No. 4, 823-828, 1997.
  105. 中村健太郎, 上羽貞行. 超音波モータの性能限界 －摩擦制御機構に着目した検討 （招待論文）, 電子情報通信学会論文誌 A, Vol. J80-A, No. 10, pp. 1637-1647, 1997.
  106. 胡 俊輝, 中村健太郎, 上羽貞行. 軸方向音響粘性力によりロータが支持される非接触超音波モータ, 電子情報通信学会論文誌 A, Vol. J80-A, No. 10, pp. 1705-1710, 1997.
  107. 里信 純, 木原 学, 小池 義和, 中村 健太郎, 上羽 貞行. 複数の複合振動子型超音波モータの電気的直列接続運転, 電子情報通信学会論文誌 A, Vol. J80-A, No. 10, pp. 1718-1727, 1997.
  108. Jun SATONOBU, Fumimasa MAGANE, YOSHIKAZU KOIKE, KENTARO NAKAMURA, Sadayuki UEHA:. Development of the Torque Accumulation Method of a Torsional Vibration System, IEEE Trans. UFFC, Vol. 44, No. 6, pp. 1348-1354, 1997.
  109. Kentaro NAKAMURA, Koichiro FUKAYA. Optical Fiber Coupler Array for Multi-Point Sound Field Measurements, Optical Review, Vol. 4, No. 1A, pp. 65-68, 1997.
  110. Kentaro NAKAMURA, Makoto Maruyama, Sadayuki UEHA. A New Ultrasonic Motor using Electro-Rheological Fluid and Torsional Vibration, Ultrasonics, Vol. 34, pp. 261-264, 1996.
  111. Ryusuke MORIKAWA, Sadayuki UEHA, KENTARO NAKAMURA. Error evaluation of the structural intensity measured with a scanning laser Doppler vibrometer and a k-space signal processing, J. Acout. Soc. Am., Vol. 99, No. 5, 2913-2921, 1996.
  112. Mikio UMEDA, Kentaro NAKAMURA, Sadayuki UEHA. Analysis of the Transformation of Mechanical Impact Energy to Electric Energy Using Piezoelectric Vibrator, Jpn. J. Appl. Phys., Vol. 35, Part 1, No. 5B, pp. 3267-3273, 1996.
  113. Takaaki ISHII, Tsuyoshi SHINKODA, Sadayuki UEHA, Kentaro NAKAMURA, Minoru KUROSAWA. Efficiency Improvement of an Ultrasonic Motor Driven with Rectangular Waveform, Jpn. J. Appl. Phys., Vol. 35, Part 1, No. 5B, pp. 3281-3285, 1996.
  114. Tohgo YAMAZAKI, Junhui HU, Kentaro NAKAMURA, Sadayuki UEHA. Trial Construction of a Noncontact Ultrasonic Motor with an Ultrasonically Levitated Rotor, Jpn. J. Appl. Phys., Vol. 35, Part 1, No. 5B, pp. 3286-3288, 1996.
  115. Junhui HU, Kentaro NAKAMURA, Sadayuki UEHA. Optimum Operation Conditions of an Ultrasonic Motor Driving Fluid Directly, Jpn. J. Appl. Phys., Vol. 35, Part 1, No. 5B, pp. 3289-3294, 1996.
  116. Jun SATONOBU, Norikazu TORII, KENTARO NAKAMURA, Sadayuki UEHA. Construction of Megatorque Hybrid Transducer Type Ultrasonic Motor, Jpn. J. Appl. Phys., Vol. 35, Part 1, No. 9B, pp. 5038-5041, 1996.
  117. Kentaro Nakamura, Yasuto Uno, Kenichi Iga. Sound Field Measurements by a Sharply Bent Optical Fiber, Journal of Acoustical Society of Japan(E), Vol. 17, No. 1, pp. 45-47, 1996.
  118. Ryusuke MORIKAWA, Hidetoshi YUZAKI, KENTARO NAKAMURA, Sadayuki UEHA. Ultrasonic Transducer Array for Structural Intensity Measurements, Jpn. J. Appl. Phys., Vol. 35, Part 1, No. 5B, pp. 3080-3083, 1996.
  119. Junhui HU, Tohgo YAMAZAKI, Sadayuki UEHA, Kentaro NAKAMURA. Analysis of an Ultrasonic Motor Driving Fluid Directly, Jpn. J. Appl. Phys., Vol. 34, Part 1, No. 5B, pp. 2702-2706, 1995.
  120. Yoshikazu Koike, Nobuo Fujihara, Kentaro Nakamura, Sadayuki Ueha. Longitudinal-torsional hybrid transducer with a longitudinal resonance tuning electric port, J.Acout.Soc.Jpn.(E), Vol. 16, No. 3, pp. 181-183, 1995.
  121. J. Satonobu, S. Ueha, K. Nakamura. A Study of the Mechanism of a Scientific Toy “Girigiri-Garigari”, Jpn. J. Appl. Phys., Vol. 34, Part 1, No. 5B, pp. 2745-2751, 1995.
  122. T. Ishii, S. Ueha, K. Nakamura, K. Ohnishi. Wear Properties and Life Prediction of Frictional Materials for Ultrasonic Motors, Jpn. J. Appl. Phys., Vol. 34, Part 1, No. 5B, pp. 2765-2770, 1995.
  123. 中村健太郎, 黒澤実, 上羽貞行. 複合振動子型超音波モータの回転数制御, 電気学会論文誌D, Vol. 114-D, No. 9, pp. 871-876, 1994.
  124. K. Nakamura, M. Kurosawa, S. Ueha. Design of a Hybrid Transducer Type Ultrasonic Motor, IEEE Trans. UFFC, Vol. 40, No. 4, 395-401, 1993.
  125. Kentaro Nakamura, M. Kurosawa, H. Kurebayashi, S.Ueha. An Estimation of Load Characteristics of an Ultrasonic Motor by Measuring Transient Response, IEEE Trans. UFFC, Vol. 38, No. 5, pp. 481-485, Sep. 1991.
  126. T.Uchiki, T.Nakazawa, K.Nakamura, M.Kurosawa, S.Ueha. Ultrasonic Motor Utilizing Elastic Fin Rotor, Jpn.J.Appl.Phys., Vol. 30, No. 9B, pp. 2289-2291, 1991.
  127. Kentaro Nakamura, Minoru Kurosawa, Sadayuki Ueha. Characteristics of a Hybrid Transducer Type Ultrasonic Motor, IEEE Trans. UFFC, Vol. 38, No. 3, pp. 188-193, 1991.
  128. 中村健太郎, 黒澤 実, 上羽貞行, 梅田幹雄, 大西一正. 複合振動子型超音波モータによる精密位置決め制御, 電気学会論文誌Ｃ, Vol. 111, No. 9, pp. 462-469, 1991.
  129. Umeda, M., Ohnishi, K., Nakamura, K., Kurosawa, M., Ueha, S.. Dumbbell-Shaped Small-Sized Hybrid Ultrasonic Motor, Jpn.J.Appl.Phys., Vol. 29, Suppl. 29-1, pp. 191-193, 1990.
  130. K. Nakamura, T. Ito, M. Kurosawa, S.Ueha. A Trial Construction of an Ultrasonic Motor with Fluid Coupling, Jpn.J.Appl.Phys., Vol. 29, No. 1, pp. L160-L161, 1990.
  131. Minoru Kurosawa, Kentaro Nakamura, Takashi Okamoto, Sadayuki Ueha. An Ultrasonic Motor Using Bending Vibrations of a Short Cylinder, IEEE Tranc. UFFC, Vol. 36, No. 5, pp. 517-521, 1989.
  132. KENTARO NAKAMURA, MAKOTO ANDO. A Full-Wave Analysis of Offset Reflector Antennas with Polarization Grils, IEEE Transactions on Antennas and Propagation, Vol. 36, No. 2, pp. 164-170, 1988.
  133. Kentaro NAKAMURA, Makoto ANDO, Naohisa GOTO. A Full-Wave Analysis of Polarization Grids in Offset reflector Antennas, Trans. IEICE Japan, Vol. E70, No. 4, pp. 250-252, 1987.
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