Chu, T.-Y.T.-Y.ChuHsu, Y.-H.Y.-H.HsuCHIH-KUNG LEEYU-HSIANG HSU2020-04-282020-04-282018https://scholars.lib.ntu.edu.tw/handle/123456789/486107[SDGs]SDG7Optimization of a two-frequency-two-mode piezoelectric linear motorconference paper10.1117/12.22967692-s2.0-85048049007https://www.scopus.com/inward/record.uri?eid=2-s2.0-85048049007&doi=10.1117%2f12.2296769&partnerID=40&md5=ed7e1de66ad3fd2dc6c787307ac7e80f