Wang, R.-J.R.-J.WangHuang, H.-P.H.-P.HuangHAN-PANG HUANG2020-01-132020-01-132010https://scholars.lib.ntu.edu.tw/handle/123456789/447354[SDGs]SDG7An active-passive variable stiffness elastic actuator for safety robot systemsconference paper10.1109/IROS.2010.56527692-s2.0-78651506122https://www.scopus.com/inward/record.uri?eid=2-s2.0-78651506122&doi=10.1109%2fIROS.2010.5652769&partnerID=40&md5=21e90e4258ee43742c496e757470a408