Printable  Resume(pdf)

 

e-mail: jcryu AT udel.edu




 
Education
Jul 04 ~ Present   University of Delaware, Newark, DE

Ph.D. Candiate in Mechanical Engineering

Major Field: Planning and Control of Mobile Robots
Mar 97 ~ Feb 99   Korea Advanced Institute of Science and Technology (KAIST)
  M. S. in Mechanical Engineering
  Thesis: Electromagnetic Microactuators with the Electroplated Planar Coils Driven by Radial Magnetic Field (in English)
Mar 93 ~ Feb 97   Korea Advanced Institute of Science and Technology (KAIST)
  B. S. in Mechanical Engineering (with Honors)
Mar 91 ~ Feb 93   Busan High School of Science, South Korea

 

Research &
Professional Experience
Jul 05 ~ Present   University of Delaware, Newark, DE

Research Assistant
  • Control of a passive mobility assistive robot
  • Design of dissipative and stable assistive robots
Jun 02 ~ May 04  Samsung Electronics, South Korea

Research Engineer - Institute of Intelligent System, Mechatronics Center
  • Robot simulator programming with visual C++
  • X-Y cartesian robot motion control using PMAC & MEI motion controllers
  • Software Architecture using Unified Modeling Language (UML)
Apr 00 ~ May 02  MeccaTechs (now UB precision), South Korea

Research Engineer - R&D Laboratory
  • X-Y cartesian robot motion control using PMAC motion controller
  • Machine control programming based on VRTX (RTOS) in VME
Mar 99 ~ Mar 00  Daewoo Heavy Industires (now Doosan Infracore), South Korea

Assistant Research Engineer - Factory Automation System Engineering Center
  • Special purpose machine design for truck engine
Mar 97 ~ Feb 99  Korea Advanced Institute of Science and Technology (KAIST)

Graduate Research Assistant
  • Microactuator design, fabrication and test in Biochip Technology Research

Other Related
Experience
Feb 05 ~ May 05  University of Delaware, Newark, DE

Teaching Assistant
MEEG304 - Machine Design: Elements
Aug 04 ~ Dec 04  University of Delaware, Newark, DE

Teaching Assistant
MEEG311 -  Vibration and Control


Publications (Journal)
 Ji-Chul Ryu, Kaustubh Pathak, and Sunil K. Agrawal, "Control of a Passive Mobility Assistive Robot", ASME Transactions, Journal of Medical Devices, 2008 (accepted).
James C. (Cole) Galloway, Ji-Chul Ryu, Sunil K. Agrawal, "Babies driving robots: Self-generated mobility in very young infants", Journal of Intelligent Service Robotics, 2008, (in press). 

Ji-Chul Ryu, Sunil K. Agrawal and Jaume Franch, "Motion Planning and Control of a Tractor with a Steerable Trailer Using Differential Flatness", ASME Transactions, Journal of Computational and Nonlinear Dynamics, 2008 (in Press).
Sunil K. Agrawal and Ji-Chul Ryu, "Design of Dissipative and Stable Assist Robots", ASME Transactions, Journal of Mechanical Design, Vol. 129, No. 12, pp. 1251-1255, 2007.
So-Ryeok Oh, Ji-Chul Ryu, and Sunil K. Agrawal, "Dynamics and Control of Helicopters with a Six-Cables Suspended Robot", ASME Transactions, Journal of Mechanical Design, Vol. 128, No. 5, pp. 1113-1121, 2006.
Ji-Chul Ryu, Tae Goo Kang, and Y.-H. Cho, "Electromagnetic Microactuators with the Electroplated Planar Coils Driven by Radial Magnetic Field", Journal (A) of the Korean Society of Mechanical Engineers , Vol. 25, No 1, 2001
Publications (Conference)


Ji-Chul Ryu, Vivek Sangwan, and Sunil K. Agrawal, "Differentially Flat Designs of Mobile Vehicles with Under-actuated Manipulator Arms", Proc. ASME Int. Mech. Eng. Cong. Expo. (IMECE), IMECE2007-43526, 2007
Ji-Chul Ryu, Sunil K. Agrawal, and J. Franch, "Motion Planning and Control of a Tractor with a Steerable Trailer Using Differential Flatness", Proc. Mechanisms & Robotics, ASME Int. Design Eng. Tech. Conf. (IDETC), DETC2007-35288, 2007.  - Received MSC Simulation Software Award.
Roger Bostelman, James Albus, Tommy Chang, Tsai Hong, Sunil K. Agrawal and Ji-Chul Ryu, "DynaHLPR CHAIR: A NOVEL INDOOR MOBILITY-ASSIST AND LIFT SYSTEM", Proc. Mechanisms & Robotics, ASME Int. Design Eng. Tech. Conf. (IDETC), DETC2007-35295, 2007. 

Ji-Chul Ryu, Kaustubh Pathak, and Sunil K. Agrawal, "Control of a Passive Mobility Assistive Robot", Proc. ASME Int. Mech. Eng. Cong. Expo. (IMECE), IMECE2006-14701, 2006
Sunil K. Agrawal and Ji-Chul Ryu, "Design of Dissipative and Stable Assist Robots", Proc. Mechanisms & Robotics, ASME Int. Design Eng. Tech. Conf. (IDETC), DETC06-99734, 2006

So-Ryeok Oh, Ji-Chul Ryu, and Sunil K. Agrawal, "Dynamics and Control of Helicopters with a Six-Cables Suspended Robot", Proc. Mechanisms & Robotics, ASME Int. Design Eng. Tech. Conf. (IDETC), DETC2005-85131, 2005.  

Ji-Chul Ryu, Tae Goo Kang, and Y.-H. Cho, "A New Transverse Electromagnetic Microactuator using the Radial Magnetic Field Guided by Symmetric Twin Magnets," Proc. Symposium on Micromechanical Systems, ASME Int. Mech. Eng. Cong. Expo. (IMECE), pp. 105-109, 1999
Ji-Chul Ryu, Tae Goo Kang, and Y.-H. Cho, "Electromagnetic Microactuators with the Electroplated Planar Coils Driven by Radial Magnetic Field," Proc. the 1st Korean MEMS Conference , pp.29-36, 1999


Awards / Honors

Nov 07
Sep 07
Nov 06
Mar 97 ~ Feb 99       Apr 97           
Feb 97         
Mar 93 ~ Feb 97
Mar 93 ~ Feb 97

Travel grant for IMECE 2007- ASME
MSC Simulation Software Award, IDETC 2007 - ASME
Travel grant for IMECE 2006- ASME
Governmental scholarship for graduate students - KAIST
Excellent Attitude Award - Chair of the Department of Mechanical Engineering, KAIST
Cum Laude Honors - B.S degree, KAIST
Merit-based scholarship (5 out of 7 semesters), KAIST
Governmental scholarship for undergraduate students - KAIST



Skills
  • Programming Language & OS: C/C++, Microsoft Visual C++, Linux, VRTX (Real Time OS)
  • Simulation and Math Tool: Matlab/Simulink, Maple, Player/Stage (Mobile robot application)
  • Commercial Boards: PMAC, MEI (Motion Controllers), Motorola MVME162 CPU Board
  • Computer Aided Design Tool: AutoCAD, Pro/E
  • Metrology Equipment: Renishaw Laser Interferometer
  • Data Analysis & Statistical Software: Minitab
  • Object-Oriented Analysis and Design Tool: Rational Rose, UML (Unified Modeling Language)


Membership / Activities

2005 ~
2005 ~
Mar 97
Mar 95 ~ Aug 95
Feb 94 ~ Feb 95
Feb 94 ~ Feb 99

Student Member of IEEE
Student Member of ASME
Taekkyun Instructor Certificate, Korea Taekkyun Association
Student Representative - Department of Mechanical Engineering, KAIST
BIGAK Leader, Taekkyun (Korean Traditional Martial Art) Club, KAIST
BIGAK Member, Taekkyun (Korean Traditional Martial Art) Club, KAIST