Lin H.-S.Chang Y.-C.Chen C.-F.JER-JUNN LUHChiou Y.-H.JIN-SHIN LAIKuo T.-S.2020-06-262020-06-2620050780387406; 97807803874090589-1019https://www.scopus.com/inward/record.uri?eid=2-s2.0-33846912789&partnerID=40&md5=a94b8c3c3a7cac4097758974473d82d3https://scholars.lib.ntu.edu.tw/handle/123456789/505454Safety assurance of assistive devices based on a two-level checking schemeconference paper2-s2.0-33846912789