Kim, Byungchan 강병덕 박신석 Kang, Sung Chul 2024-01-13T03:32:44Z 2024-01-13T03:32:44Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/102073 English learning Learning Robot Stiffness for Contact Tasks Using the Natural Actor-Critic Conference 1 ICRA2008, pp.3832 - 3837 ICRA2008 3832 3837 US