Gravity compensation mechanism for roll-pitch rotation of a robotic arm. - Deok Gyoon Chung; Minho Hwang; Jongseok Won; Dong-Soo Kwon (IROS, 2016)

Shape-Locking Mechanism of Flexible Joint Using Mechanical Latch With Electromagnetic Force. - Deok Gyoon Chung; Joonhwan Kim; Donghoon Baek; Joonyeong Kim; Dong-Soo Kwon (IEEE Robotics Autom. Lett., 2019)

Three-Degrees-of-Freedom Passive Gravity Compensation Mechanism Applicable to Robotic Arm With Remote Center of Motion for Minimally Invasive Surgery. - Chang-Kyun Kim; Deok Gyoon Chung; Minho Hwang; Byungsik Cheon; Hansoul Kim; Joonhwan Kim; Dong-Soo Kwon (IEEE Robotics Autom. Lett., 2019)