Close
Search
 

PUBLICATIONS

Before 2010

  • Y. C. Kim, Y. S. Ihn, S. M. Lee, H. R. Choi, J. C. Koo, “Design of Micro Force Sensor using Strain Gauges”, Ubiquitous Robots and Ambient Intelligence(URAI 2009), Korea, October. 29~31, 2009
  • Y. S. Ihn, Y. C. Kim, S. M. Lee, H. R. Choi, J. C. Koo, “A Study of Rolling and Sliding Condition for Micromanipulation System”, Ubiquitous Robots and Ambient Intelligence(URAI 2009), Korea, October. 29~31, 2009.
  • Y. S. Ihn, Y. C. Kim, H. R. Choi, S. M. Lee, and J. C. Koo, “Implementation of Graspless Handling System for Microparticles using AFM Tip”, IEEE IROS 2009, USA, October. 11~15, 2009.
  • Nguyen Huu Chuc, Nguyen Huu Lam Vuong, DukSang Kim, Ja Choon Koo, Youngkwan Lee, Jae-do Nam and Hyouk Ryeol Choi, “Design and Control of Multi-jointed Robot Finger based on Artificial Muscle Actuator”, 9th IFAC Symposium on Robot Control (SYROCO'09), Japan, September. 10~12, 2009.
  • Byung June Choi, Bumsoo Kim, Joo Young Chun, Hyungpil Moon, Ja Choon Koo, Wankyun Chung and Hyouk Ryeol Choi, “Magnetic Patterns based Global Localization for a Mobile Robot using Hall Sensors”, IEEE Int. Conf. Mechatronics and Automation, China, August. 09~12, 2009.
  • Bumsoo Kim, Byung June Choi, Joo Young Chun, Hyungpil Moon, Ja Choon Koo and Hyouk Ryeol Choi, “Position Correction Technique for Mobile Robot using Magnetic Hall Sensors”, IEEE Int. Conf. Service and Interactive Robotics (SIRCon2009), Taiwan, August. 06~08, 2009.
  • Seung-Guk Baek, Bum-Sik Shin, Sang-Won Leey, Yeon-Sun Choiy and J. C. Koo, “Sensitivity Analysis of a Suspension of a High-Speed EMU”, MULTIBODY DYNAMICS 2009, ECCOMAS Thematic Conference, Poland, June. 29~July. 02, 2009.
  • Huu Chuc Nguyen, JongKil Park, Huu Lam Vuong Nguyen, DukSang Kim, Ja Choon Koo, Youngkwan Lee, Jaedo Nam and Hyouk Ryeol Choi, “Multi-jointed robot finger driven by artificial muscle actuator”, IEEE Int. Conf. Robotics and Automation (ICRA2009), Japan, May. 12~17, 2009.
  • Hyouk Ryeol Choi, Ducksang Kim, Nguyen Huu Chuc, Nguyen Huu Lam Vuong, Jachoon Koo, Jae-do Nam and Youngkwan Lee, “Development of Integrated Tactile Display Devices”, SPIE Smart Structures and Materials, Electroactive Polymer Actuators and Devices, USA, March. 08~12, 2009.
  • Byung June Choi, Sung Moon Jin, Seung Hoon Shin, Bum Soo Kim, Ja Choon Koo, Sung Moo Ryew, JinHyun Kim, Woong Hee Son, Ki Tak Ahn, Wankyun Chung, Hyouk Ryeol Choi, “A Novel Robotic Platform Using Mobile Agents for Laboratory Automation”, LabAutomation 2009, USA, January. 24~28, 2009.
  • Seung Hoon Shin, Byung June Choi, H. R. Choi, H. P. Moon,Sung Moo Ryew, J. H. Kim, Wankyun Chung, Ja Choon Koo, “A Job Scheduling for a Small Scale Clinical Test Platform using Multiple Mobile Robots”, LabAutomation 2009, USA, January. 24~28, 2009.
  • J. K. Lee, Y. S. Ihn, J. C. Koo, “Active Correction of Mass Imbalance for a Precise Rotor”, Asia-Pacific Magnetic Recording Conference, Singapore, January. 14~16, 2009.
  • Dongho Oh, J.K.Lee, J.C.Koo, “Modeling and analysis for dynamic mass imbalance correction of a precision rotor”, Asia-Pacific Data Storage Conference 2008(APDSC'08), Lotte Hotel, Jeju, Korea Dec. 15~17, 2008.
  • Baek-Chul Kim, S. J. Park, M. S. Cho, S. I. Son, Y. Lee, Jae-Do Nam, Hyouk Ryeol Choi and J. C. Koo, “Optimization of Mechanical Performance of Oxidative Nano-Particle Electrode NBR Conducting Polymer Actuator,” The 8th International Conference on Nano-Molecular Electronics (ICNME 2008)
  • Y.S.Ihn, S.K.Kim, J.K.Lee, M.E.Kim, Dongho Oh, J.C.Koo, “A Novel Identification of Mechanical Damping Coefficients of High Speed Fluid Dynamic Bearing for HDDs without Physical Contact”, Asia-Pacific Data Storage Conference 2008(APDSC'08), Lotte Hotel, Jeju, Korea Dec. 15~17, 2008.
  • Bumsoo Kim, Byung Jun Choi, Sung Moon Jin, Hyungpil Moon, Ja Choon Koo, WanKyun Chung, Hyouk Ryeol Choi, “Development of Position Correction Technique for Mobile Robot using Magnet Hall Sensor”, Ubiquitous Robots and Ambient Intelligence(URAI 2008), Korea Univ., Seoul, Korea Nov. 20~22, 2008.
  • Huu Chuc Nguyen, Huu Lam Vuong Nguyen, DukSang Kim, Ja Choon Koo, Hyouk Ryeol Choi, Youngkwan Lee, Jae Do Nam, “Miniature legged robot driven by artificial muscle actuator”, Ubiquitous Robots and Ambient Intelligence(URAI 2008), Korea Univ., Seoul, Korea Nov. 20~22, 2008.
  • Sung Moon Jin, Bumsoo Kim, Byung Jun Choi, Hyungpil Moon, Ja Choon Koo, WanKyun Chung, Hyouk Ryeol Choi, “Development of Path Planning Algorithm using A *Search Method for Multi-Robot System”, Ubiquitous Robots and Ambient Intelligence(URAI 2008), Korea Univ., Seoul, Korea Nov. 20~22, 2008.
  • Byung June Choi, Sung Moon Jin, Seung Hoon Shin, Ja Choon Koo, Sung Moo Ryew, JinHyun Kim, Woong Hee Son, Ki Tak Ahn, Wankyun Chung, Hyouk Ryeol Choi, “Development of Flexible Laboratory Automation Platform using Mobile Agents in the Clinical Laboratory”, IEEE Conference Automation Science and Engineering (IEEE CASE 2008), Aug. 23-26, 2008.
  • Jung Kwan Lee, Sang Bong Lee, J. C. Koo, D. H. Oh and H. Y. Kim, “An Enhanced Real Time Dynamic Imbalance Correction for Precision Rotors”, 4th Asian Conference on Multibody Dynamics 2008(ACMD2008), Seogwipo KAL Hotel, Jeju, Korea, Aug. 20-23, 2008. 
  • Dongho Oh, Jung Kwan Lee and J. C. Koo, “An Effective Observer Design for Characterization and Compensation of Periodic Disturbances”, 18th Annual ASME Conference on Information Storage and Processing Systems(ISPS'08), Santa Clara, California, USA June. 16-17, 2008. 
  • Y. S. Ihn, S. K. Kim, M. E. Kim, Dongho Oh and J. C. Koo, “A Non-Contact Mechanical Characteristics Measurement Method for High Revolutionary Speed Precision Fluid Dynamic Bearing Rotors”, 18th Annual ASME Conference on Information Storage and Processing Systems(ISPS'08), Santa Clara, California, USA June. 16-17, 2008.
  • Nguyen Huu Chuc, Doan Vu Thuy, Jonggil Park, Duksang Kim, Jachoon Koo, Youngkwan Lee, Jae-Do Nam and Hyouk Ryeol Choi, “A dielectric elastomer actuator with self–sensing capability”, Electroactive Polymer Actuators and Devices(EAPAD), Town and Country Resort & Convention Center, San Diego, California, USA March. 9-13, 2008.
  • Baek-Chul Kim, Hyunseok Kim, H. C. Nguyen, M. S. Cho, Y. Lee, Jae-Do Nam, Hyouk Ryeol Choi, J. C. Koo and H. -S. Jeong, “Development of a Dry Actuation Conducting Polymer Actuator For Micro-Optical Zoom Lenses”, Electroactive Polymer Actuators and Devices(EAPAD), Town and Country Resort & Convention Center, San Diego, California, USA March. 9-13, 2008.
  • Hyouk Ryeol Choi, Byung June Choii, Sung Moon Jin, Seung Hoon Shin, Ja Choon Koo, Min Cheol Kim, JinHyun Kim, Woong Hee Son, Ki Tak Ahn, and Wankyun Chung, “Development of Flexible Mobile Agents for BioRobot System in the Clinical Laboratory”, Lab  Automation 2008, Palm Springs, CA Jan. 26-30, 2008.
  • Seung Hoon Shin, Byung June Choi, H. R. Choi, J. C. Koo, Sung Moo Ryew, Jung Woo Kim, Ki Tak Ahn and Wankyun Chung, “Development of an Improved Scheduling Algorithm for Lab Test Operations on a Small Size Bio Robot flatform”, Lab Automation 2008, Palm Springs, CA Jan. 26-30, 2008.
  • Byung June Choi, Sung Moon Jin, Seung Hoon Shin, Ja Choon Koo, Hyouk Ryeol Choi, JinHyun Kim, Ki Tak Ahn, Sung Moo Ryew, Woong Hee Son and Wankyun Chung, “Development of Intelligent BioRobot Platform for Integrated Clinical Test”, The 4th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI 2007), Postech, Pohang, Korea Nov. 22-24, 2007.
  • Byung June Choi, Sung Moon Jin, Seung Hoon Shin, Ja Choon Koo, Hyouk Ryeol Choi, JinHyun Kim, Ki Tak Ahn, Min Cheol Kim, Woong Hee Son and Wankyun Chung, “Development of Flexible Mobile Agents for BioRobot System in the Clinical Laboratory”, The 4th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI 2007), Postech, Pohang, Korea Nov. 22-24, 2007.
  • Seung Hoon Shin, Sung Moon Jin, Byung June Choi, Hyouk Ryeol Choi, Ja Choon Koo, Jung Woo Kim, Sung Moo Ryew, Wankyun Chung and Woong Hee Son, “Development of a scheduling algorithm for efficient tests on Bio Robot”, The 4th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI 2007), Postech, Pohang, Korea Nov. 22-24, 2007.
  • Y. S. Ihn, S. H. Ha, H. R. Choi, J. C. Koo and S. M. Lee, “The Binary Recognition Algorithm Using Point Correlation Template”, The 4th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI 2007), Postech, Pohang, Korea Nov. 22-24, 2007.
  • Y. S. Ihn, S. H. Ryu, B. J. Choi, H. S. Ha, S. M. Lee, H. R. Choi and J. C. Koo, “An Enhanced Vision Processing Algorithm for a Micro-manipulation System”, International Workshop on Robotic and Sensors Environments (ROSE 2007), Ottawa, Ontario, Canada Oct. 12-13, 2007.
  • Y. S. Ihn, H. S. Ha, B. J. Choi, H. R. Choi, S. M. Lee and J. C. Koo, “Design of a modified binary region median filtering for micro electronic device assembly manipulations”, International Conference on Control Automation and Systems (ICCAS 2007), COEX, Seoul, Korea Oct. 17-20, 2007.
  • Tri Cong Phung, Byung June Choi, Sang Heon Ryu, Seung Hwa Ha, Yong Seok Ihn, Sangdeok Park, Sangmoo Lee, Ja Choon Koo and Hyouk Ryeol Choi, “Contact Position and Force Sensing in Micro-manipulation”, ICAR, Jeju Island, Korea Aug. 21-24, 2007.
  • Dongho Oh, J. C. Koo, Sangbong Lee and Ho Sung Lee, “A Disturbance Compensator With Enhanced Frequency Tolerance For The Efficient Head Positioning”, ASME Information Storage and Processing Systems Conference 2007, Santa Clara, CA, USA Jun. 18-19, 2007.
  • Dongho Oh, Sang Bong Lee, Jeong Heon Han, Ho Sung Lee and J. C. Koo, “An effective characterization and compensation of periodic disturbance for hard disk drives”, ISAMMA, Gyeongju, Korea May. 28-01, 2007.
  • Nguyen Huu Chuc, Jongkil Park, Doan Vu Thuy, Hyun seok Kim, Jachoon Koo, Youngkwan Lee, JaeDo Nam and Hyouk Ryrol Choi, “Linear Artificial Muscle Actuator Based on Synthetic Elastomer”, SPIE, Sandiego,CA,USA Mar.18-22, 2007.
  • Hyunseok Kim, Jongkil Park, Nguyen Huu Chuc, H. R. Choi, J. D. Nam, Y. Lee, H. S. Jung and J. C. Koo, “Development of Dielectric Elastomer Driven Micro Optical Zoom Lens System”, SPIE, Sandiego,CA,USA Mar.18-22, 2007.
  • Igmo Koo, Kwangmok Jung, Jachoon Koo, Jea–do Nam, Youngkwan Lee and Hyouk Ryeol Choi, “Wearable Fingertip Tactile Display,” SICE-ICASE International Joint Conference in Bexco, Busan, Korea Oct. 18-21, 2006.
  • Byung June Choi, Kyuho Noh, Jung Woo Kim, Sung Moon Jin, Ja Choon Koo, Sung Moo Ryew, Jinhyun Kim, Woong Hee Son, Ki Tak Ahn, Wankyun Chung, and Hyouk Ryeol Choi, “Intelligent BioRobot Platform for Integrated Clinical Test,” SICE-ICASE International Joint Conference in Bexco, Busan, Korea Oct. 18-21, 2006.
  • Jung Woo Kim, Byung june Choi, Kyu ho Noh, Hyouk Ryeol Choi, Ja Choon Koo, Sung Moo Ryew, Jin hyun Kim, Woong Hee Son, “Automatic Scheduling Algorithm for Personalized Clinical Test,” SICE-ICASE International Joint Conference in Bexco, Busan, Korea Oct. 18-21, 2006.
  • Byung June Choi, Sang Heon Ryu, Seung Hwa Ha, Tri Cong Phung, Ja Choon Koo, Sangdeok Park, Sangmoo Lee, and Hyouk Ryeol Choi, “Development of Multi-axial Micro Force Measurement Method for Electronic Device Assembly,” SICE-ICASE International Joint Conference in Bexco, Busan, Korea Oct. 18-21, 2006.
  • S. H. Ryu, B. J. Choi, T. C. Phung, J. C. Koo, S. D. Park, S. M. Lee, and H. R. Choi, “Design and control of a dexterous micro manipulator for the accurate miniature electro device assembly,” SICE-ICASE International Joint Conference in Bexco, Busan, Korea Oct. 18-21, 2006.
  • Dongho Oh, Sangmin Suh, Sangbong Lee, J. C. Koo, and Ho Sung Lee, “A Robust Adaptive Feedforward Method for the Compensation of Harmonic Disturbances,” ASME/JSME Joint Conference on Micromechatronics for Information and Precision Equipment (MIPE 2006) Santa Clara, CA, June 21-23, 2006.
  • M. Y. Jung, H. C. Nguyen, J. W. Kim, I. M. Koo, K. M. Jung, J. D. Nam, Y. K. Lee, H. R. Choi, and J. C. Koo, “Fabrication and characterization of linear motion dielectric elastomer actuators,” International Conference on Technology Fusion , Konkuk University, Seoul, South Korea, May 17-19, 2006.
  • M.S. Cho, H.J. Seo, J. D. Nam, H.R Choi, J. C. Koo, and Y. Lee, “Synthesis of new solid polymer electrolyte and actuator based on PEDOT/NBR/ionic liquid,” SPIE conference Smart Sturctures and Materials, San Diego, February 26 – March 2 2006.
  • Min Young Jung, Nguyen Huu Chuc, Jung Woo Kim, Ig Mo Koo, Kwang Mok Jung, Y. K. Lee, J. D. Nam, H. R. Choi, J. C. Koo, “Fabrication and characterization of linear motion dielectric elastomer actuators,” SPIE conference Smart Sturctures and Materials, San Diego, February 26 – March 2 2006.
  • Kwangmok Jung, J.H. Lee, M.S. Cho, Ja Choon Koo, Jae-do Nam, Y.K. Lee, Hyouk Ryeol Choi “Development of enhanced synthetic rubber for energy efficient polymer actuators,” SPIE conference Smart Sturctures and Materials, San Diego, February 26 – March 2 2006.
  • Hyouk Ryeol Choi, Kwangmok Jung, Nguyen Huu Chuc, Minyoung Jung, Igmo Koo, Jachoon Koo, Jonghoon Lee, Joonho Lee, Jaedo Nam, Misuk Cho, Youngkwan Lee, “Effects of Prestrain on Behavior of Dielectric Elastomer Actuator,” SPIE conference Smart Sturctures and Materials, San Diego, March  2005.
  • D. H. Oh, J. C. Koo, “Optimization of Wide Bandwidth Hard Disk Drive Actuator Design Using Statistical Methods,” Asia-Pacific Magnetic Recording Conference, Seoul, August 2004.
  • M. Y. Jung, K. M. Jung, J. C. Koo, H. R. Choi, J. D. Nam, and Y. K. Lee, “Development of Modeling and Control Methods for Multi-DOF Dielectric Polymer Actuator,” International Conference on Control, Automation, and Systems 2004, Thailand, August 2004.
  • Sung-In Moon and J. C. Koo, “Mechanical Property Measurement of Mulit-Layered Glass Sheet for Shock Loading Applications,” 2nd Asian Conference on Multibody Dynamics, Seoul, August 2004.
  • Geometrical error correction using hierarchical/hybrid artificial neural systems   Author(s): Koo, Ja C.; Fernandez, Benito Corporate Source: Univ of Texas, Austin, TX, USA Source: 1993 IEEE International Conference on Neural Networks 1993 IEEE International Conference on Neural Networks Mar 28-Apr 1 1993 1993 San Francisco, CA, USA Publ by IEEE Piscataway NJ USA p 232-237 ISBN: 0-7803-1200-7  Publication Year: 1993.