(10) Yukitoshi Ihara, Kazutaka TSUJI and Toru TAJIMA, "Ball Bar Measurement of Motion Accuracy in Simulating Cone Frustum Cutting on Multi-axis Machine Tools" International Journal of Automation Technology, Vol. 11, No. 2, pp. 197-205, 2017.

(9) M. Yamaji, N. Hamabata and Y. Ihara, "Design of motion accuracy measurement device with three displacement sensors for machine tool and comparison of its setting method", Bulletin of the JSME, Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol. 8, No. 4 (2014).

(8) M. Yamaji, N. Hamabata and Y. Ihara, "Evaluation of linear axis motion error of machine tools using an R-test device", Procedia CIRP, Vol. 14, pp. 311-316 (2014).

(7) Y. Ihara and T. Nagasawa, "Fundamental Study of the On-Machine Measurement in the Machining Center with a Touch Trigger Probe" International Journal of Automation Technology, Vol. 7, No. 5, pp. 523-536, 2013.

(6) Noriyuki KATO, Masaomi TSUTSUMI, Yu TSUCHIHASHI, Ryuta SATO and Yukitoshi IHARA, "Sensitivity Analysis in Ball Bar Measurement of Three-Dimensional Circular Movement Equivalent to Cone-Frustum Cutting in Five-Axis Machining Centers" Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol. 7, No. 3, pp. 317-332, 2013.

(5) Y. Ihara, "Ball Bar Measurement on Machine Tools with Rotary Axes" International Journal of Automation Technology, Vol. 6, No. 2, pp. 180-187, 2012.

(4) Y. Ihara and Y. Hiramatsu, "Design of Motion Accuracy Measurement Device for NC Machine Tools with Three Displacement Sensors" International Journal of Automation Technology, Vol. 5, No. 6, pp. 847-854, 2011.

(3) Y. Ihara and S. Matsushita, "A Study on Tool Position and Posture Measurement Device by Using Parallel Mechanism" International Journal of Automation Technology, Vol. 3, No. 3, pp. 271-276, 2009.

(2) Y. Ihara, S. Lin, Y. Kakino and Zainal Abidin Ahmad, "Analysis of the Motion Accuracy of 5-Axis Controlled Machining Centers Using DBB Method" International Journal of JSPE, Vol. 32, No. 3, pp. 188-193, 1998.

(1) Y. Kakino, Y. Ihara, M. Yagi, A. Higashimoto, "Measurement and Improvement of Trace Accuracy of Industrial NC Robots by Using Telescoping Magnetic Ball Bar Method" ASME Crossing Bridges: Advances in Flexible Automation and Robotics Vol. I (Book No. I0271A), pp. 81-86, 1988.

(20) Y. Ihara, "Accuracy Test Standard for Five-axis Machining Centers" Journal of the JSPE, Vol. 78, No. 7, pp. 581-584, 2012.

(19) Noriyuki KATO, Masaomi TSUTSUMI, Yu TSUCHIHASHI, Ryuta SATO, Daisuke YUMIZA, Chengri CUI and Yukitoshi IHARA, "Analysis of Three-Dimensional Circular Motion Trajectories of Five-Axis Machining Centres Simulating Cone-Frustum Cutting", Journal of the JSME, Vol. 78, No. 787, pp. 964-975, 2012.

(18) N. Kato, M. Tsutsumi, Y. Tshchihashi, D. Yumiza, C. Cui and Y. Ihara, "Analysis of NC Data for Machining Test of Cone-Frustum under Simultaneous Five-Axis Control " Journal of the JSME, Vol. 77, No. 780, pp. 3149-3160, 2011.

(17) M. Tsutsumi, T. Saiki, K. Kiotoshi, C. Cui and Y. Ihara, "Development of Testing Method of Five-Axis Machining Centres Based on Finishing of Truncated Square Pyramid" Journal of the JSME, Vol. 77, No. 780, pp. 3137-3148, 2011.

(16) Y. Ihara and H. Ohtsuka, "On-machine Measurement Technologies" Journal of the JSPE, Vol. 75, No. 11, pp. 1281-1284, 2009.

(15) Y. Ihara and K. TANAKAI, "Ball Bar Measurement Equivalent to Cone Frustum Cutting on Multi-axis Machine (1st Report) -- Comparison of Ball Bar Measurement with Cutting Test on Spindle-tilt Type 5-axis MC --" Journal of the JSPE, Vol. 71, No. 12, pp. 1553-1557, 2005.

(13) Z. Li, Y. Kakino, A. Kawashima, Y. Ihara, I. Yamaji and M. Wakizaka, "Diagnosis of Motion Errors of the Rotary Axes in 5-axis Machining Center (1st Report) -- The Procedure for Diagnosis of Angular error sources --" Journal of the JSPE, Vol. 69, No. 5, pp. 703-709, 2003.

M. Nakagawa, T. Matsushita, M. Nashiki, Y. Kakino, Y. Ihara, "A Study on the Improvement of Motion Accuracy of Hexapod Type Parallel Mechanism Machine Tool (1st Report) -- The Method of Kinematic Calibration without Gravitation Deformation --" Journal of the JSPE, Vol. 67, No. 8, pp. 1333-1337, 2001.

(11) Y. Kakino, Y. Ihara, S. Lin, S. Hayama, K. Kawakami and M. Hamamura, "Measurement of Motion Accuracy and Improvement of Machining Accuracy on Ultra-high Precision NC Machine Tools by Using Cross Grid Encoder Test" Journal of the JSPE, Vol. 62, No. 11, pp. 1612-1616, 1996.

(10) Y. Kakino, Y. Ihara, K. Shimizu, H. Nakagawa and T. Takeshita, "A Study on the Motion Accuracy of NC Machine Tools (8th Report)　-- Improvement of the DBB Test Using Scale Feedback Values --" Journal of the JSPE, Vol. 61, No. 3, pp. 430-434, 1995.

(9) Y. Kakino, Y. Ihara, K. Satou and H. Otsubo, "A Study on the Motion Accuracy of NC Machine Tools (7th Report)　-- The Measurement of Motion Accuracy of 5 Axis Machine by DBB Test --" Journal of the JSPE, Vol. 60, No. 5, pp. 718-722, 1994.

(8) Y. Kakino, Y. Ihara, Y. Iwasaki, A. Matsubara and H. Otsubo, "Study on Amendable Machining System by Using Machining and Measuring Center (1st Report) -- Amendable Grinding of 2 Dimensional Parts with High Accuracy --" Journal of the JSPE, Vol. 59, No. 10, pp. 1689-1694, 1993.

(7) Y. Kakino, Y. Ihara, Y. Nakatsu and A. Shinohara, "A Study on the Motion Accuracy of NC Machine Tools (6th Report)　-- Generating Mechanism of the Stick Motion and its Compensation --" Journal of the JSPE, Vol. 56, No. 4, pp. 139-144, 1990.

(6) Y. Kakino, Y. Ihara, Y. Nakatsu and A. Shinohara, "A Study on the Motion Accuracy of NC Machine Tools (5th Report)　-- Diagnosis of Angular Motion Error Origins --" Journal of the JSPE, Vol. 55, No. 3, pp. 587-592, 1989.

(5) Y. Kakino, Y. Ihara, Y. Nakatsu, M. Yonetani and T. Teshima, "A Study on the Motion Accuracy of NC Machine Tools (4th Report)　-- Compensating for Decreasing Error of the Circle Radius during Circular Interpolation Motion --" Journal of the JSPE, Vol. 54, No. 6, pp. 1113-1118, 1988.

(4) Y. Kakino, Y. Ihara and Y. Nakatsu, "A Study on the Motion Accuracy of NC Machine Tools (3rd Report)　-- The Influence of Servo Control Components to the Motion Error --" Journal of the JSPE, Vol. 53, No. 8, pp. 1220-1225, 1987.

(3) Y. Kakino, Y. Ihara and Y. Nakatsu, "A Study on the Motion Accuracy of NC Machine Tools (2nd Report)　-- Diagnosis of Motion Error Origins by Using Double Ball Bar Test --" Journal of the JSPE, Vol. 52, No. 10, pp. 1739-1745, 1986.

(2) Y. Kakino, Y. Ihara, A. Kamei and T. Ise, "Study on the Motion Accuracy of NC Machine Tools (1st Report)　-- The Measurement and Evaluation of Motion Errors by Double Ball Bar Test --" Journal of the JSPE, Vol. 52, No. 7, pp. 1193-1198, 1986.

(1) Y. Kakino, Y. Iwamoto, Y. Ihara, A. Kamei and T. Ise, "Compensation of 3-Dimensional Coordinate Measuring Machine and Evaluation of Double Ball Bar Test by Error Vector Analysis" Journal of the JSPE, Vol. 51, No. 6, pp. 1244-1250, 1985.

(47) Yuuki KONDOU and Y. Ihara, "Evaluation Parameters of Mirror Surface on Graphite" International Symposium on Advances in Abrasive Technology (ISAAT 2016), pp. 232-237, October 4, 2016, Marriott Courtyard, Stockholm (Sweden).

(46) N. Hamabata and Y. Ihara, "Study on the interpolation motion accuracy of multi-tasking tools using R-test" International Conference on Leading Edge Manufacturing in 21st Century (LEM21), A26(0210), October 20, 2015, Kyoto Research Park, Kyoto (Japan).

(45) N. Hamabata, M. Yamaji and Y. Ihara, "Interpolation accuracy measurement on turning centre with three linear axes" Laser Metrology and Machine Performance XI (LAMDAMAP 2015), pp. 268-277, March 17-18, 2015, Huddersfield University (UK).

(44) M. Saito, Y. Ihara and K. Shimojima, "A study of accuracy of finished test piece on multi-tasking machine tool" Laser Metrology and Machine Performance XI (LAMDAMAP 2015), pp. 140-149, March 17-18, 2015, Huddersfield University (UK).

(43) Naoki HAMABATA, Masashi YAMAJI, Yukitoshi IHARA, Masamitsu NAKAMINAMI, Yutaka IDO and Masahiro SHIMOIKE, "Circular Motion Accuracy Measurement of the NC Lathe Equipped with a Simulating Axis", The 6th International Conference on Positioning Technology (ICPT 2014), pp. 79-80, November 20, 2014, Kitakyushu (Japan).

(42) Masahito Saito and Yukitoshi Ihara, "On-machine measurement on five-axis machining center by using touch trigger probe" International Symposium on Flexible Automation (ISFA2014), ISFA2014-84S, July 14-16, 2014, Awaji-Island, Hyogo (Japan).

(41) Toru TAJIMA, Tomohiro KUBO and Yukitoshi IHARA, "Verification of cone frustum accuracy test of five-axis machining center", 16th International Conference on Machine Design and Production (UMTIK 2014), pp. 333-344, July 3, 2014, Wyndham Izmir Ozdilek Hotel (Turkey).

(40) M. Yamaji, N. Hamabata and Y. Ihara, "Evaluation of linear axis motion error of machine tools using an R-test device", 6th CIRP Conference on High Performance Cutting, Vol. 14, pp. 311-316, June 25, 2014, University of California, Berkeley (U. S. A.).

(39) T. Owaki and Y. Ihara, "Small hole formation process for zirconia-based ceramics for mould", 14th International Conference of the European Society for Precision Engineering & Nanotechnology (euspen), Vol. 2, pp. 339-342, June 5, 2014, Valamar Lacroma Hotel, Dubrovnik (Croatia).

(38) Tomoya Owaki and Yukitoshi Ihara, "Small Hole Open Processing of Zirconia Ceramics Developed for Mold" International Conference on Leading Edge Manufacturing in 21st Century (LEM21), pp. 85-88, November 8, 2013, Hotel Taikanso (Japan).

(37) Masashi Yamaji and Yukitoshi Ihara, "Design of Motion Accuracy Measurement Device with Three Displacement Sensors for Machine Tool and Comparison of its Setting Method" International Conference on Leading Edge Manufacturing in 21st Century (LEM21), pp. 523-526, November 8, 2013, Hotel Taikanso (Japan).

(36) Takehiro NAGASAWA and Yukitoshi IHARA, "Fundamental Study of the On-Machine Measurement in the Machining Center with a Touch Trigger Probe" The 5th International Conference on Positioning Technology (ICPT2012), pp. 160-163, November 15, 2012, Garden Villa, Kaohshiung (Taiwan).

(35) K. Yamaguchi and Y. Ihara, "Study on Small Hole Open Process on Ceramics" International Conference on Leading Edge Manufacturing in 21st Century (LEM21), No. 3301, November 9, 2011, Omiya Sonic City (Japan).

(34) Y. Hiramatsu and Y. Ihara, "Design of Motion Accuracy Measurement Device for NC Machine Tool with Three Displacement Sensors" The 4th International Conference on Positioning Technology (ICPT2010), pp. 134-135, November 24, 2010, Paradise Hotel, Busan (Korea).

(33) H. Takeshima and Y. Ihara, "Finished Test Piece Example for Five-axis Machining Centers" International Conference on Leading Edge Manufacturing in 21st Century (LEM21), pp. 123-126, December 2, 2010, Osaka University (Japan).

(32) K. Itaya and Y. Ihara, "Development of Parallel Mechanism Machine Tool - Consideration about Moving Range and Component Design -" International Symposium on Flexible Automation, JS016, June 23-26, 2008, Georgia University of Technology, Atlanta (U. S. A.).

(31) K. Matano and Y. Ihara, "Ball bar measurement of five-axis conical movement" Laser Metrology and Machine Performance VIII (LAMDAMAP 2007), pp. 34-43 June 26, 2007, Cardiff University, Cardiff (Wales, UK).

(30) Y. Ihara and S. Matsushita, "Motion Accuracy Measurement Device by Using Parallel Mechanism for Multi-axis Machining Centers" XVIII IMEKO WORLD CONGRESS, TC14-23, September 17-22, 2006, Rio de Janeiro (Brazil).

(29) Y. Ihara and S. Matsushita, "A Study on Machine Tools Motion Accuracy Measurement Device by Using Parallel Mechanism" International Symposium on Flexible Automation, 0243-a, July 9-14,, 2006, Senri Hankyu Hotel, Osaka (Japan).

(28) Y. Ihara, "Possibility of Ball Bar Test on Multi-axis Machining Center" Laser Metrology and Machine Performance VII (LAMDAMAP 2005), pp. 107-115, June 28, 2005, Cranfield University, Cranfield (England).

(27) S. Nakamura and Y. Ihara, "Study on Machined Workpiece Measurement on 5-Axis Controlled Machining Center" 5th International Conference on Machine Automation (ICMA2004), pp. 541-544, November 26, 2004, Osaka University, Osaka (Japan).

(26) S. Nakamura, T. Wakatake and Y. Ihara, "Motion Accuracy of NC Machine Tools with Hybrid Feedback Control System" Japan - USA Symposium on Flexible Automation (JUSFA2004), JS008, July 19-21, 2004, Denver, Colorado (USA).

(25) Y. Kita, Y. Ihara and K. Maruta, "A Study on Natural Frequency and Preload of a Rotating Machine Tool Spindle" International Conference on Leading Edge Manufacturing in 21st Century (LEM21), pp. 479-482, November 4, 2003, Niigata Convention Center (Japan).

(24) Y. Ihara, "Dynamic Performance of Machine Tools With Different Position Feedback Method" the IASTED International Conference on Circuits, Signals, and Systems, pp. 11-16, May 19, 2003, Cancun (Mexico).

(23) M. Nakagawa, T. Matsushita, S. Watanabe, Y. Kakino and Y. Ihara, "The Improvement of Motion Accuracy of Hexapod Type Machine Tools and Its Machining Performance" JAPAN-USA Symposium on Flexible Automation, JS-005, July 14-19, 2002, Hiroshima (Japan).

(22) H. Otsuka, I. Yamaji, Y. Kakino, A. Matsubara, T. Ito and Y. Ihara, "Advanced Feed Forward Control for Constant Cutting Forces in Die Machining" JAPAN-USA Symposium on Flexible Automation, JL-049, July 14-19, 2002, Hiroshima (Japan).

(21) S. Ibaraki, Y. Kakino, K. Lee, Y. Ihara, J. Braasch and A. Eberherr, "Diagnosis and Compensation of Motion Errors in NC Machine Tools by Arbitrary Shape Contouring Error Measurement" Laser Metrology and Machine Performance V, WIT Press, Southampton, UK, pp. 59-68, 2001 (Proc. of LAMDAMAP 01 at Birmingham, UK, July 2001).

(20) S. Fujii, Y. Kakino, Y. Ihara, Y. Takata, D. Murakami, T. Miki and Y. Tatsuta, "HIPARMS -Highily Productive And Reconfigurable Manufacturing System-" Proc. of 2000 Pacific Conference on Manufacturing, Vol. 2, pp. 970-980, September 6-8, 2000, Southfield - Detroit (USA).

(19) Y. Ihara and F. Ruech, "Dynamic Performance of Machine Tools with Linear Encoder Feedback" Proc. of 2000 Pacific Conference on Manufacturing, Vol. 2, pp. 751-756, September 6-8, 2000, Southfield - Detroit (USA).

(18) Y. Ihara, T. Ishida, Y. Kakino, Z. Li, T. Matsushita and M. Nakagawa, "Kinematic Calibration of a Hexapod Machine Tool by Using Circular Test" Proc. of the 2000 JAPAN-USA Symposium on Flexible Automation, 2000JUSFA-13100, July 23-26, 2000, Ann Arbor (USA).

(17) M. Hamamura, J. Fujita, Y. Kakino, Y. Ihara and S. Hayama, "Stick Motion Compensation by Using an Auxiliary Axis" Proc. of 2000 International Conference on Advanced Manufacturing Systems and Manufacturing Automation, pp. 476-479, June 19-21, 2000, Guangzhou, China.

(16) Y. Kakino, Y. Ihara, A. Matsubara, K. Tanaka, T. Akiyama and S. Hayama, "Measurement of Motion Accuracy and Improvement of Machining Accuracy on Ultra-high Precision NC Machine Tools by Using Cross Grid Encoder Test" Proc. of 1st International conference of the European society for precision engineering and nanotechnology, Vol. 1, pp. 135-138, 1999, Bremen (Germany).

(15) Y. Kakino, Y. Ihara and S. Lin, "A Method for Quick Measurement and Diagnosis of the Arbitrary Shape Contouring Errors of NC Machine Tools" IMEKO-XV World Congress, Vol. IX, pp. 7-14, June, 1999, Osaka (Japan).

(14) S. Lin, Y. Kakino and Y. Ihara "High Precision Measurement of the Motion Accuracy of NC Machine Tools by Using KGM Method" JSME Spring Annual Meeting, Int'l Sessions, pp. 17-20, Mar. 31-Apr. 3, 1999, Tokyo Institute of Technology, Tokyo (Japan).

(13) Y. Kakino, Y. Ihara and S. Lin, "Prediction of Freeform Machined Accuracy by Measuring the Contouring Performance of NC Machine Tools" Japan-USA Symposium on Flexible Automation, pp. 271-278, July, 1998, Otsu Prince Hotel (Japan).

(12) Y. Kakino, Y. Ihara and S. Lin, "Arbitrary Shape Contouring Accuracy Test with High Speed Endmill Cutting" Int'l Conference on Precision Engineering, Vol. 1, pp. 257-262, Nov. 20-22, 1997, The Grand Hotel, Taipei (Taiwan).

(11) Z. A. Ahmad, Y. Kakino, Y. Ihara and S. Lin, "Analysis of the Motion Accuracy of 5-axis Controlled Machining Centers by Using DBB method" Int'l Conference on Precision Engineering, Vol. 1, pp. 55-60, Nov. 20-22, 1997, The Grand Hotel, Taipei (Taiwan).

(10) Z. Li, H. Ohnishi, A. Mitani, S. Akishita and Y. Ihara, "Control of Machine Tool with Parallel-Links Mechanism" 2nd China-Japan Symposium on Mechatronics, pp. 53-58, Sept. 16-18, 1997, Univ. of Electronic Science and Technology of China, Chengdu (China).

(9) H. Ohnishi, A. Mitani, S. Akishita, Z. Li and Y. Ihara, "Hybrid Force/Position Control by In-Parallel Actuated Machining Mechanism" 2nd Asian Control Conference, Vol. III, pp. 599-602, July 22-25, 1997, Seoul (Korea).

(8) Y. Kakino, Y. Ihara, A. Matsubara, A. Schramm and H. Otsubo, "Concurrent Die Manufacturing by Using a Machining & Measuring Center" XIV IMEKO world Congress, Vol. VIII, pp. 58-63, June, 1997, (Finland).

(7) Y. Kakino, Y. Ihara, S. Lin, K. Kimoto and S. Hayama, "Measurement of Contouring Motion Accuracy of the NC Machine Tool by the Cross Grid Encoder Test" Japan-USA Symposium on Flexible Automation, pp. 1201-1208, July 7-9, 1996, Boston (USA).

(6) Y. Kakino, Y. Ihara, Y. Iwasaki, A. Matsubara and H. Otsubo, "Development of Amendable Machining System and Evaluation of its Performance" 7th International Precision Engineering Seminar, pp. 825-836, 1993.

(5) Y. Kakino, Y. Ihara, ???, "Motion Error Origin Diagnosis in Vertical Type Articulated Industrial NC Robots by Using Telescoping Magnetic Ball Bar Method" Japan-USA Symposium on Flexible Automation, 2 pp.??-??, 1992, San Francisco (USA).

(4) Y. Kakino, Y. Ihara, Y. Nakatsu, A. Shinohara and T. Takeshita, "Improvement of Motion Accuracy of NC Machine Tools by Feed Forward Control" Proc. of CIRP Conference on PE & MS, pp. 761-772, Sep, 1991, Tianjin Univ. (China).

(3) Y. Kakino, Y. Ihara, H. Nakagawa and Y. Kita, "Development of Machining and Measuring Center, and Evaluation of its Performance" Japan-USA Symposium on Flexible Automation, Vol. 1, p189-195, 1990, Miyako Hotel, Kyoto (Japan).

(2) Y. Kakino, Y. Ihara, M. Yagi and A. Higashimoto, "Measurement and Improvement of Trace Accuracy of Industrial NC Robots by Using Telescoping Magnetic Ball Bar Method" USA-Japan Symposium on Flexible Automation, pp.1-6, 1988, Minneapolis (USA).

(1) Y. Kakino, Y. Ihara and Y. Nakatsu, "The Measurement of Motion Errors of NC Machine Tools and Diagnosis of Their Origins by Using Telescoping Magnetic Ball Bar Method" Annals of the CIRP, Vol. 36, No. 1, pp. 377-380, Aug. 17-22, 1987, Beograd (Yugoslavia).

(3) Supervised by Y. Kakino, Y. Kita and H. Nakagawa, "Grinding Center -- its construction and functions --" Nikkan Kogyo Shinbunsha, 1993 (Japanese).

(2) Y. Kakino, Y. Ihara and A. Shinohara, "Accuracy Inspection of NC Machine Tools by Double Ball Bar Method" Carl Hanser Verlag, 1993

(1) Y. Kakino, Y. Ihara and A. Shinohara, "Bestimmung der Genauigkeit von NC-Werkzeugmaschinen nach dem DBB-Verfahren" Carl Hanser Verlag, 1993 (German)

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