Yeoil Yun, Youngwuk Kim, Junchul Gwak, Hyungpil Moon, Hyouk Ryeol Choi and Ja Choon Koo, "A New Systematic Inverse Design Method of Pneumatic Soft Actuator for Precise Motion," IEEE Robotics and Automation Letters, vol. 10, no. 10, pp. 10043-10049, October, 2025
Young Jae You, Youngwuk Kim, Hyungpil Moon, Hyouk Ryeol Choi, Ja Choon Koo, ""Development of a Simulation Framework for Efficient and Stable Robotic Connector Assembly Based on Pin Structure Modeling", October, 2025
Sang Hyeon Park, Myeongyun Doh, Chanyong Park, Anh Tuan Luong, Hyouk Ryeol Choi, Ja Choon Koo, "Modeling and Reinforcement Learning-Based Control of Simultaneous Positive and Negative Pressure Generation in Pneumatic Systems", IEEE Robotics and Automation Letters, vol. 10, no. 7, pp. 7516-7523, July, 2025
Seung Ho Lee, Ji Min Baek, Hyungpil Moon, Hyouk Ryeol Choi, Ja Choon Koo, "Enhancing free-space transparency with discrete energy-based compensation in physical human–robot interaction", Robotics and Autonomous Systems, vol. 187, pp. 104940, May, 2025
Seung Ho Lee, Yeo Il Yoon, Ji Min Baek, Dong Jun Oh, Ja Choon Koo, Hyuk Jin Lee, "The Novel Damping Disturbance-Observer for Enhanced Torque Tracking of Damping Series Elastic Actuator", Journal of Mechanical Science and Technology, vol. 39, no. 3, pp. 1457-1467, March, 2025
Jae Hyeong Park , Seungweon Jeon, Young Jin Gong , Jimin Yoon, Dongsu Shin, Hyeon-Woong Seo , Bo Geun Kim, Ja Choon Koo , Hyungpil Moon , Rodrigue Hugo and Hyouk Ryeol Choi, “Design and Applications of High Force Generation in 3D-Printed Pneumatic Artificial Muscles,” Actuators, Vol. 13, pp. 436, October, 2024
Young Min Lee, Hyungpil Moon, Hyouk Ryeol Choi and Ja Choon Koo, “A new design and analysis of low-profile soft rotary pneumatic actuator for enhanced rotation and torque,” The International Journal of Robotics Research, Vol. 0, pp. 001-018, September, 2024
Ji Min Baek, Seung Ho Lee, Hyungpil Moon, Hyouk Ryeol Choi, Ja Choon Koo, “Three-degree-of-freedom switchable variable stiffness mechanism for minimization of repulsive force in robot assembly tasks,” The International Journal of Advanced Manufacturing Technology, Vol. 134, pp. 591-604, July, 2024
Jiseong Shin, Babar Jamil, Hyungpil Moon, Ja Choon Koo, Hyouk Ryeol Choi, and Hugo Rodrigue, “Thermo-Pneumatic Artificial Muscle: Air-Based Thermo-Pneumatic Artificial Muscles for Pumpless Pneumatic Actuation,” Soft Robotics, Vol. 11, pp. 187-197, April, 2024
Jae Hyeong Park, Kihyeon Kim, Young Jin Gong, Sang Yul Yang, Seong Taek Hwang, Ho Sang Jung, Hyungpil Moon, Ja Choon Koo, Hugo Rodrigue, Hyouk Ryeol Choi,” Cooperative antagonistic mechanism driven by bidirectional pneumatic artificial muscles for soft robotic joints,” Mechatronics, Vol. 97, 103099, November, 2023
Seon Il Lee, Eun Jeong Song, Yeo Il Yun, Hyungpil Moon, Hyouk Ryeol Choi, Ja Choon Koo,” Soft pneumatic actuator workspace augmentation with synthesis of simplified analytical and numerical subcomponent models,” Sensors and Actuators: A. Physical, Vol. 365, pp. 114814, November, 2023
Ji Min Baek, Min Guk Han, Ja Choon Koo, “Linear multi-degree of freedom variable stiffness actuator for robotic assembly tasks,” Microsystem Technologies, Vol. 29, No. 11, pp. 1643–1649, September, 2023
Jiseong Shin, Babar Jamil, Hyungpil Moon, Ja Choon Koo, Hyouk Ryeol Choi, and Hugo Rodrigue “Thermo-Pneumatic Artificial Muscle: Air-Based Thermo-Pneumatic Artificial Muscles for Pumpless Pneumatic Actuation,” Soft Robotics, August , 2023
Kwan Sik Yoon, Min Seok Kim, Hyungpil Moon, Hyuok Ryeol Choi and Ja Choon Koo, “An Asymmetric Velocity Profile for Minimizing Wafer Slippage and Settling Time of a Wafer Transport Robot,” Electronics, Vol. 12, No. 10, pp. 2157, May, 2023
Sang Yul Yang, Kihyeon Kim, Jeong U. Ko, Sungwon Seo, Seong Taek Hwang, Jae Hyeong Park, Ho Sang Jung, Young Jin Gong, Ji Won Suk, Hugo Rodrigue, Hyungpil Moon, Ja Choon Koo, Jae-do Nam, Hyouk Ryeol Choi “Design and Control of Lightweight Bionic Arm Driven by Soft Twisted and Coiled Artificial Muscles,” Soft Robotics, Vol. 10, No. 1, pp. 17–29, February , 2023
Seung Ho Lee, Dong Jun Oh, Sang Hoon Ji, Ja Choon Koo, “Passive air leakage detection mechanism for enhanced vacuum suction actuator efficiency,” Microsystem Technologies, Vol. 28, No. 10, pp. 2353–2359, July, 2022
Chanyong Park, Myeongyun Doh , Yoonwoo Ha , Altair Coutinho , Anh Tuan Luong ,Iksu Choi, Hyouk Ryeol Choi , Ja Choon Koo , Hugo Rodrigue , Hyungpil Moon, “Simultaneous Positive and Negative Pressure Control Using Disturbance Observer Compensating Coupled Disturbance Dynamics,” IEEE Robotics and Automation Letters, Vol. 7, No. 2, pp. 5763 - 5770, April, 2022
Tuan Luong, Sungwon Seo, Jeongmin Jeon, Chanyong Park, Myeongyun Doh, Yoonwoo Ha, Ja Choon Koo, Hyeok Ryoul Choi, Hyungpil Moon, “Soft artificial muscle with proprioceptive feedback: design, modeling and control,” IEEE Robotics and Automation Letters, Vol. 7, No. 2, pp. 4797 - 4804, February, 2022
Seung Guk Baek, Hyungpil Moon, Hyouk Ryeol Choi, Ja Choon Koo, “A New Cam-Follower Safety Joint Mechanism Design Based on Variable-Length Four-Bar Linkage for Robot Safety,” J. Mechanisms Robotics, Vol. 14, No. 1, pp. 011004, February, 2022
Kyeong Ha Lee, Seung Guk Baek, Hyuk Jin Lee, Seung Ho Lee, Ja Choon Koo, “Real-time adaptive impedance compensator using simultaneous perturbation stochastic approximation for enhanced physical human–robot interaction transparency,” Robotics and Autonomous Systems, Vol.147, pp.103916, January, 2022
Hyuk Jin Lee, Kyeong Ha Lee, Seung Ho Lee, Hyungpil Moon, Hyouk Ryeol Choi, Ja Choon Koo, “Coaxial damping series elastic actuator for improved performance of transmissibility,” Mechatronics, Vol. 80, pp. 102666, December, 2021
Dong Jun Oh, Seung Guk Baek, Kyung Tae Nam, Ja Choon Koo, “Tracking and Synchronization with Inversion-Based ILC for a Multi-Actuator-Driven Wafer Inspection Cartridge Transport Robot System,” Electronics, Vol. 10, No. 23, pp. 2904, November, 2021
Kihyeon Kim, Sang Yul Yang, Jae Hyeong Park, Ho Sang Jung, Jung U Ko, Seong Taek Hwang, Ja Choon Koo, Hyungpil Moon, Hugo Rodrigue, Hyouk Ryeol Choi, “Torque-compensated bundle of artificial muscle to generate large forces,” Materials Research Express, Vol. 8, No. 11, pp.115301, November, 2021
Young Hun Lee, Yoon Haeng Lee, Hyunyong Lee, Hansol Kang, Jun Hyuk Lee, Ji Man Park, Yong Bum Kim, Hyungpil Moon, Ja Choon Koo, Hyouk Ryeol Choi, “Whole-Body Control and Angular Momentum Regulation using Torque Sensors for Quadrupedal Robots,” Journal of Intelligent & Robotic Systems, Vol. 102, No.3, pp. 66, June, 2021
Tuan Luong, Kihyeon Kim, Sungwon Seo, Jeongmin Jeon, Chanyong Park, Myeongyun Doh, Ja Choon Koo, Hyouk Ryeol Choi, Hyungpil Moon, “Long Short Term Memory Model Based Position-Stiffness Control of Antagonistically Driven Twisted-Coiled Polymer Actuators Using Model Predictive Control,” IEEE Robotics and Automation Letters, Vol. 6, No. 2, pp. 4141-4148, March, 2021
Tuan Luong, Sungwon Seo, Kihyeon Kim, Jeongmin Jeon, Francisco Yumbla, Ja Choon Koo, Hyouk Ryeol Choi, Hyungpil Moon, “Realization of a Simultaneous Position-Stiffness Controllable Antagonistic Joint Driven by Twisted-Coiled Polymer Actuators Using Model Predictive Control,” IEEE Access, Vol. 9, pp. 26071-26082, January, 2021
Young Min Lee, Hyuk Jin Lee, Hyungpil Moon, Hyouk Ryeol Choi, Ja Choon Koo, “Analytical Modeling for Design and Performance Evaluations of a New Low Aspect Ratio Soft Rotary Pneumatic Actuator,” Smart Materials and Structures, Vol. 29, No. 12, pp. 125015, November, 2020
Sung Joon Kim, Jae Young Choi, Hyungpil Moon, Hyouk Ryeol Choi, Ja Choon Koo, “Biomimetic Hybrid Tactile Sensor with Ridged Structure That Mimics Human Fingerprints to Acquire Surface Texture Information,” Sensors and Materials, Vol. 32, No. 11, pp. 3787-3799, November, 2020
Sung Joon Kim, Seung Ho Lee, Hyungpil Moon, Hyouk Ryeol Choi, Ja Choon Koo, “A Non-Array Type Cut to Shape Soft Slip Detection Sensor Applicable to Arbitrary Surface,” Sensors, Vol. 20, No. 21, pp. 6185, October, 2020
Yoon Haeng Lee, Young Hun Lee, Hyunyong Lee, Hansol Kang, Jun Hyuk Lee, Luong Tin Phan, Sungmoon Jin, Yong Bum Kim, Dong-Yeop Seok, Seung Yeon Lee, Hyungpil Moon, Ja Choon Koo, Hyouk Ryeol Choi, “Development of a Quadruped Robot System With Torque-Controllable Modular Actuator Unit,” IEEE Transactions on Industrial Electronics, Vol. 68, No. 8, pp. 7263-7273, July, 2020
Seung Ho Lee, Hyuk Jin Lee, Kyeong Ha Lee, Kyung Tae Nam, Ja Choon Koo, “A novel variable stiffness scotch yoke series elastic actuator for enhanced functional stiffness,” Microsystem Technologies, Vo. 26, No. 11, pp. 3395-3402, June, 2020
Dong Jun Oh, Zheng Yuan Li, Jae Hyeon Kim, Hyouk Ryeol Choi, Ja Choon Koo, “A Flexible Self-Recovery Finger Joint for a Tendon-Driven Robot Hand,” Review of Scientific Instruments, Vol. 91, No. 11, pp. 115002, November, 2020
Ji Min Baek, Sang Hoon Ji, Ja Choon Koo “A Cost Effective On-Site Fault Diagnosis Method for Home Appliance Rotor Failures,” Microsystem Technologies, Vol. 26, No. 11, pp.3389-3394, May, 2020
Hyuk Jin Lee, Hae Jin Lee, Jung Su Lee, Yong Nam Kang, Ja Choon Koo, “A Built-Up-Type Deformable Phantom for Target Motion Control to Mimic Human Lung Respiration,” Review of Scientific Instruments, Vol. 91, No. 5, pp. 054106, May, 2020
