Ji-Chul Ryu, Ph.D.

Education

• Ph.D. in Mechanical Engineering, University of Delaware, 2009
• M.S. in Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST)
• B.S. in Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST)

Research Interests

• Dynamic robotic manipulation and control
• Vision-guided robotic assembly and automation
• Machine learning-based control for robotic systems
• Wearable robotics and sensor-based state estimation

Professional Associations and Honors

• Honors Faculty of Distinction, NIU University Honors Program, 2025
• Certificate of Excellence in Online Teaching, NIU Center for Innovative Teaching and Learning, 2021
• Best Conference Paper Award finalist, IEEE International Conference on Mechatronics and Automation, 2016
• Young Faculty of the Year Award, NIU College of Engineering and Engineering Technology, 2016
• Innovation Certificate of Recognition, NIU Research and Innovation Partnerships, 2015
• MSC Simulation Software Award, ASME International Design Engineering Technical Conference, 2007
• Editorial Board: Advances in Robotics Research
• Associate Editor, Frontiers in Robotics and AI, 2019–2021
• Member of the American Society of Mechanical Engineers (ASME), affiliated with Dynamic Systems & Control Division, 2006-present
• Member of the Institute of Electrical and Electronics Engineers (IEEE), affiliated with Robotics and Automation Society, 2005-present

Patent

Intelligent Powered Mobility for Infants and Special Needs Children, Patent No. US8090488, 2012

Selected Publications

• T. Le and J.-C. Ryu, "Magnetometer-less State Estimation for Mobile Robots using Cascaded Kalman Filters," Journal of Intelligent & Robotic Systems, Vol. 112, Art. No. 54, 2026.
• O. Oztoprak and J.-C. Ryu, "Development of a Mobile Health Monitoring and Alert Application for Agricultural Workers," Applied System Innovation, Vol. 8, No. 5, Art. No. 133, 2025.
• D. Choi, S. Y. Chung, and J.-C. Ryu, "Dynamic Modeling of the Ball-on-Flexible Beam Using Euler–Lagrangian Formulation," ASME Journal of Computational and Nonlinear Dynamics, Vol. 19, No. 2, Art. No. 021001, 2024.
• A. Freedkin, J.-C. Ryu, and J. Hwang, "Upper Body Joint Angle Calculation and Analysis Using Multiple Inertial Measurement Units," ASME International Mechanical Engineering Congress and Exposition (IMECE), IMECE2023-116592, New Orleans, LA, October 2023.
• R. R. Konda, J.-C. Ryu, and J. H. Kim, "Three-Dimensional Global Acceleration Estimation in the Presence of Rotation Using an Inertial Measurement Unit for Whole Body Vibration Studies," International Journal of Occupational Safety and Ergonomics (JOSE), Vol. 27, No. 1, 121-127, 2021.
• Mohammadi and J.-C. Ryu, "Neural Network-Based PID Compensation for Nonlinear Systems: Ball-On-Plate Example," International Journal of Dynamics and Control, Vol. 8, No. 1, pp. 178-188, 2020.

Work Experience

• Department of Mechanical Engineering, NIU (2013-present)
• Postdoctoral Fellow, Neuroscience and Robotics Lab, Northwestern University (2010-2013)
• Supplemental Professional, Mechanical Systems Laboratory, University of Delaware (2009-2010)
• Research Assistant, Mechanical Systems Laboratory, University of Delaware (2005-2009)
• Research Engineer, Mechatronics Center, Samsung Electronics, Korea (2002-2004)
• Assistant Research Engineer, Daewoo Heavy Industries (1999-2000) and UB Precision, Korea (2000-2002)