Journal Articles

1.     K. KONG, J. Bae, and M. Tomizuka, "A Compact Rotary Series Elastic Actuator for Knee Joint Assistive System," IEEE/ASME
        Transactions on Mechatronics, Accepted (available online, pending for paper publication)

2.     J. Bae, K. KONG, and M. Tomizuka, "Gait Phase-Based Control for a Rotary Series Elastic Actuator Assisting the Knee Joint,"
        ASME Journal of Medical Devices, Vol. 5 / 031010, 2011

3.     J. Bae, K. KONG, and M. Tomizuka, "AMobile Gait Monitoring System for Abnormal Gait Diagnosis and Rehabilitation: A Pilot         Study for Parkinson’s Disease Patients," ASME Journal of Biomechanical Engineering, Vol. 133 / 041005-1, 2011

4.     K. KONG, H. C. Kniep, and M. Tomizuka, "Output Saturation in Electric Motor Systems: Identification and Controller Design," ASME         Journal of Dynamic Systems, Measurement, and Control, Vol. 132 / 051002, 2010

5.     K. KONG, H.Moon, D. Jeon, andM. Tomizuka, "Control of an Exoskeleton for Realization of Aquatic Therapy Effects," IEEE/ASME         Transactions on Mechatronics, Vol. 15, No. 2, pp. 191-200, 2010

6.     K. KONG and M. Tomizuka, "Control of Exoskeletons Inspired by Fictitious Gain in Human," IEEE/ASME Transactions on         Mechatronics, Vol. 14, No. 6, pp. 689-698, 2009

7.     K. KONG and M. Tomizuka, "A Gait Monitoring System Based on Air Pressure Sensors Embedded in a Shoe," IEEE/ASME         Transactions on Mechatronics, Vol. 14, No. 3, pp. 358-370, 2009

8.     K. KONG, H. Moon, B. Hwang, D. Jeon, and M. Tomizuka, "Impedance Compensation of SUBAR for Back-Drivable Force Mode         Actuation," IEEE Transactions on Robotics, Vol. 25, No. 3, pp. 512-521, 2009

9.     K. KONG, J. Bae, and M. Tomizuka, "Control of Rotary Series Elastic Actuator for Ideal Force Mode Actuation in Human-Robot         Interaction Applications," IEEE/ASME Transactions on Mechatronics, Vol. 14, No. 1, pp. 105-118, 2009

10.    K. KONG and D. Jeon, "Design and Control of an Exoskeleton for the Elderly and Patients," IEEE/ASME Transactions on         Mechatronics, Vol.11, No.4, pp. 936-942, 2006

11.    K. KONG and D. Jeon, "Design and Control of a Novel Tendon-Driven Exoskeletal Power Assistive Device," Journal of Control,          Automation, and Systems Engineering, Vol.11, No.11, 2005

12.    K. KONG and D. Jeon, "Fuzzy Control of the Seat Suspension System Considering the Acceleration of a Driver’s Head," Journal of          Control, Automation, and Systems Engineering, Vol.11, No.7, pp. 572-577, 2005

13.    K.KONG, J. Bae, and M. Tomizuka, "Torque Mode Control of a Cable-Driven Actuating System by Sensor Fusion," ASME Journal of
        Dynamic Systems, Measurement, and Control, under review

14.    K. KONG and M. Tomizuka, "Nominal Model Optimization for Enhancement of Stability Robustness for Disturbance Observer-Based
        Control Systems," International Journal of Control, Automation, and Systems, under review

15.    K. KONG and M. Tomizuka, "Design of a Rehabilitation Device Based on a Mechanical Link System," ASME Journal of Mechanisms
        and Robotics, under review

16.    K. KONG and M. Tomizuka, "Proxy-Based Impedance Control of a Cable-Driven Assistive System for Upper Extremity
        Rehabilitation" IFAC Hournal of Mechatronics, under review

Refereed Conference Proceedings

Design and Control of Human Assistive and Rehabilitation Systems

17.     J. Bae, K. KONG, and M. Tomizuka, "Control Algorithms for Prevention of Impacts in Rehabilitation Systems," in Proceedings of the          IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM), pp. 128-133, 2011

18.     K. KONG and M. Tomizuka, "Proxy-based Impedance Control of a Cable-Driven Assistive System for Upper Extremity
         Rehabilitation," in Proceedings of the 18th IFACWorld Congress, pp. 2871-2876, 2011

19.     K. KONG and M. Tomizuka, "Realization of Fictitious Gain in Human: Experimental Verification on an Elbow Joint," in Proceedings          of the IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM), pp. 439-444, 2009

20.     K. KONG, H. Moon, D. Jeon, and M. Tomizuka, "Robotic Rehabilitation Treatments: Realization of Aquatic Therapy Effects in          Exoskeleton Systems," in Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), pp. 1923-1928,          2009

21.     K. KONG, C. Baek, and M. Tomizuka, "Design of a Rehabilitation Device Based on Mechanical Link System," in Proceedings of the          IEEE International Conference on Robotics and Automation (ICRA), pp. 2306-2311, 2009

22.     K. KONG and M. Tomizuka, "Control of Exoskeletons Inspired by Fictitious Variable Gain in Human," in Proceedings of the ASME          Dynamic Systems and Control Conference (DSCC), No. 2116, 2008

23.     K. KONG and D. Jeon, "Fuzzy Control of a New Tendon-Driven Exoskeletal Power Assistive Device," in Proceedings of the          IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM), pp. 146-151, 2005 [Best Student Paper Finalist]

24.     K. KONG and D. Jeon, "Design and Control of a New Tendon-Driven Exoskeletal Lower Body Power Assistive Device," in          Proceedings of the ASME International Mechanical Engineering Congress and Exposition (IMECE), 2005

Sensors, Health Monitoring, and Human Motion Detection

25.     E. Chang-Siu, M. Tomizuka, and K. KONG, "Time-Varying Complementary Filtering for Attitude Estimation," Accepted from          IEEE/RSJ International Conference on Intelligent Robots and Systems, 2011

26.     J. Bae, K. KONG, and M. Tomizuka, "Design of a Mobile Gait Monitoring System," in Proceedings of the IEEE/ASME International          Conference on Advanced Intelligent Mechatronics (AIM), pp. FrC3, 2010

27.     J. Bae, K. KONG, and M. Tomizuka, "Real-time Estimation of Lower Extremity Joint Torques in Normal Gait," in Proceedings of the          International IFAC Symposium on Robot Control (SYROCO), pp. 577-582, 2009

28.     J. Bae, K. KONG, and M. Tomizuka, "A Mobile Gait Monitoring System for Gait Analysis," in Proceedings of the IEEE International          Conference on Rehabilitation Robotics (ICORR), pp. 73-79, 2009

29.     K . KONG and M. Tomizuka, "Estimation of Abnormalities in a Human Gait Using Sensor-Embedded Shoes," in Proceedings of the          IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM), pp. 1331-1336, 2008

30.     K. KONG and M. Tomizuka, "Smooth and Continuous Human Gait Phase Detection Based on Foot Pressure Patterns," in          Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), pp. 3678-3683, 2008

Impedance Compensation of Actuators

31.     K. KONG, J. Bae, and M. Tomizuka, "A Cable-Driven Human Assistive System and Its Impedance Compensation by Sensor          Fusion," in Proceedings of the ASME Dynamic Systems and Control Conference (DSCC), No. 4021, 2010

32.     J. Bae, K. KONG, and M. Tomizuka, "Cable Friction Compensation and Rehabilitation Algorithms for a Cable-Driven Human          Assistive System," in Proceedings of the ASME Dynamic Systems and Control Conference (DSCC), No. 4022, 2010

33.     K. KONG, J. Bae, and M. Tomizuka, "A Compact Rotary Series Elastic Actuator for Knee Joint Assistive System," in Proceedings          of the IEEE International Conference on Robotics and Automation (ICRA), pp. 2940-2945, 2010

34.     J. Bae, K. KONG, and M. Tomizuka, "Gait Phase-Based Smoothed Sliding Mode Control for a Rotary Series Elastic Actuator          Installed on the Knee," in Proceedings of the American Control Conference (ACC), pp. 6030-6035, 2010

35.     K. KONG, M. Tomizuka, H. Moon, B. Hwang and D. Jeon, "Mechanical Design and Impedance Compensation of SUBAR (Sogang          University’s Biomedical Assist Robot)," in Proceedings of the IEEE/ASME International Conference on Advanced Intelligent          Mechatronics (AIM), pp. 377-382, 2008 [Best Student Paper Award]

36.     K. KONG, J. Bae and M. Tomizuka, "Impedance Compensation of Flexible Joint Actuator for Ideal Force Mode Control," in          Proceedings of the 17th IFAC World Congress, 2008 [Best Poster Finalist]

37.     K. KONG, J. Bae and M. Tomizuka, "Biologically Inspired Actuator for Human-Robot Interaction," in Proceedings of the International          Symposium on Flexible Automation, pp. 2442-2447, 2008

38.     K. KONG and M. Tomizuka, "Flexible Joint Actuator for Patient’s Rehabilitation Devices," in Proceedings of the IEEE International          Symposium on Robot and Human Interactive Communication (RO-MAN), pp. 1179-1184, 2007

Dynamic Systems and Control

39.     M. Chan, K. KONG, and M. Tomizuka, "Automatic Controller Gain Tuning of a Multiple Joint Robot Based on Modified Extremum          Seeking Control," Submitted to the 18th IFAC World Congress, 2011

40.     W. Chen, K. KONG, and M. Tomizuka, "Hybrid Adaptive Friction Compensation of Indirect Drive Trains," in Proceedings of the          ASME Dynamic Systems and Control Conference (DSCC), No. 2736, 2009

41.     K. KONG, H. Kniep, and M. Tomizuka, "Control of Electronically Commutated Motors Considering Input/Output Saturation," in          Proceedings of the ASME Dynamic Systems and Control Conference (DSCC), No. 2513, 2009

42.     C.-H. Han, K. KONG, and M. Tomizuka, "Sensor-based Controller Tuning of Robot Manipulators by Real-time Optimization," in          Proceedings of the International IFAC Symposium on Robot Control (SYROCO), pp. 715-720, 2009

43.     K. KONG, K. Inaba and M. Tomizuka, "Real-Time Nonlinear Programming by Amplitude Modulation," in Proceedings of the ASME          Dynamic Systems and Control Conference (DSCC), No. 2160, 2008

44.     K. KONG and D. Jeon, "A Study on the Control of a LinearMotor System of the UniversalMachining Center," in Proceedings of the          KSPE (Korean Society of Precision Engineering) Annual Conference, 2005

45.     D. Jeon and K. KONG, "Fuzzy Control of a Seat Suspension System with an MR Damper," in Proceedings of the KSME (Korean          Society of Mechanical Engineering) Fall Conference, pp. 619-624, 2004 [Best Paper Award]

Micro Medical Devices for Capsule Endoscopes

46.     K. KONG, J. Cha, D. Jeon, and D. Cho, "A Rotational Micro Biopsy Device for the Capsule Endoscope," in Proceedings of the          IEEE/RSJ International Conference on Intelligent Robotics and Systems (IROS), pp. 3057-3061, 2005

47.     K. KONG and D. Jeon, "Design of a Biopsy Module for the Capsule Type Endoscope," in Proceedings of the ASME International          Mechanical Engineering Congress and Exposition (IMECE), 2005

Non-refereed Conference Proceedings

48.     B. Na and K. KONG, "Impedance Compensation of Lower Extremity Assistive Device with Compact Series Elastic Actuators," in
         Proceedings of the KSME (Korean Society of Mechanical Engineering) Fall Conference, pp. 774-780, 2011

49.     B. Na, S. Park and K. KONG, "Nonlinearity Compensation by Fuzzy Logic for Control of a Wheeled Inverted Pendulum System," in
         Proceedings of the KSME (Korean Society of Mechanical Engineering) Fall Conference, pp. 768-773, 2011

50.     S. Song, J. Lee, and K. KONG, "A Real-Time Path Planning and Obstacle Avoidance Method for Unmanned Vehicles Based on a
         Model Predictive Approach," in Proceedings of the KSME (Korean Society of Mechanical Engineering) Fall Conference, pp. 967-972,
         2011

51.     J. Bae , K. KONG, and M. Tomizuka, "A Tele-Gait Monitoring System with an Inertial Measurement Unit and Smart Shoes," in          Proceedings of the SPIE Structures/NDE, 2011

52.     K. KONG, J. Bae, and M. Tomizuka, "Actuator Design for Human Machine Interaction," in Proceedings of the International          Symposium on Application of Biomechanical Control Systems to Precision Engineering, 2010

53.     J. Bae , K. KONG, and M. Tomizuka, "Design of a Mobile Gait Monitoring System and Its Experimental Results," in Proceedings of          the SPIE Structures/NDE, 2010

54.     M. Tomizuka, K. KONG, and J. Bae "Smart Shoes and Smart Socks for Abnormal Gait Diagnosis and Assistance," in Proceedings          of the NSF Engineering Research and Innovation Conference, Honolulu, Hawaii, 2009

55.     L.M. Castano, J. Bae , K. KONG, M. Tomizuka, and A.B. Flatau, "Fusion of Air Pressure Sensors and Conductive Polymer Sensors          for a Multi-Functional Gait Monitoring System," in Proceedings of Asian-Pacific Network of Centers for Research in Smart Structure          Technology (ANCRiSST), 2009

56.     K. KONG, J. Bae, and M. Tomizuka, "Detection of Abnormalities in a Human Gait Using Smart Shoes," in Proceedings of the SPIE          Smart Structures/NDE, 2008

57.     K. KONG, "Human Motion Phase Detection Based on Ground Contact Force Measurement," in Proceedings of the US- Japan
         Workshop on Advanced Integrated Sensor Technologies for Safe and Secure Societies and Better Quality of Life, Japan, 2007

58.     K. KONG and D. Jeon, "New Design of Tendon-Driven Exoskeletal Assistive Device," in Proceedings of the KSME (Korean Society          of Mechanical Engineering) Spring Conference, 2005

59.     K. KONG and D. Jeon, "A Study on the Control of a New Tendon-Driven Exoskeletal Power Assistive Device," in Proceedings of the          KSME (Korean Society of Mechanical Engineering) Spring Conference, 2005

60.     K. KONG, J. Cha, D. Jeon, and D. Cho, "A Micro Biopsy Device for the Capsule Endoscope," in Proceedings of the KSME (Korean          Society of Mechanical Engineering) Spring Conference, pp. 1244 - 1248, 2005

61.     K. KONG, S. Lee, and D. Jeon, "Exoskeleton Systems for Assisting Elderly," in Proceedings of the 3rd CIR (Center of Intelligent          Robot) Workshop, 2005

62.     T. Jeong, K. KONG, and D. Jeon, "Hardware Development of Exoskeleton Systems," in Proceedings of the 2nd CIR (Center of          Intelligent Robot) Workshop, 2004

63.     K. KONG, G. Lee, and D. Jeon, "Fuzzy Control of a Seat Suspension System with an MR Damper," in Proceedings of the 9th          International Conference of ER and MR Fluids, 2004

Patents

64.     K. KONG, B. Na, and D. Jeon, "Control Method of Walking Assistance Torque and Walking Assistance Apparatus," Patent
         Pending, Korea, 2011

65.     K. KONG, J. Bae, and M. Tomizuka, "Smart Shoes for Abnormal Gait Diagnosis and Assistance," USA Patent Pending

66.     K. KONG and D. Jeon, "A Walking Aid for Patients’ Power Augmentation and its Control Method," Patent No: 10-0612031, Korea,          2006

67.     K. KONG and D. Jeon, "A Rotational Biopsy Device for Capsule Endoscopes," Patent No: 10-0649543, Korea, 2006

68.     K. KONG, H. Seo, and D. Jeon, "An Intelligent Human-Power Assistive Robot," Patent No: 10- 0651637, Korea, 2006

69.     K. KONG, H. Seo, and D. Jeon, "A Thigh Muscle Sensor for Human-Power Assistive Devices," Patent No: 10-0651638, Korea, 2006

70.     K. KONG, H. Seo, and D. Jeon, "A Foot Pressure Sensor for Human-Power Assistive Devices," Patent No: 10-0651639, Korea,          2006