http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
공진을 이용한 스마트 디바이스용 S-morph 피에조액츄에이터 개발
한상헌(S. H. Han),남자현(J. H. Nam),장건희(G. H. Jang) 한국소음진동공학회 2015 한국소음진동공학회 학술대회논문집 Vol.2015 No.10
We propose a resonant s-morph piezoelectric actuator (RSPA) with high space efficiency and natural frequency within haptic frequency range for applying to smart device vibrators. RSPA consists of base, connector, cantilevers with two layers and weight. S-morph generates smaller displacement than uni-morph, but it has zero bending angle to generate uniform axial motion without tilting and space efficiency. We confirm the natural frequency and static displacement through the finite element analysis. In order to verify the validity of the analysis, we fabricate the RSPA sample and perform the vibration test. We show that the RSPA generate the axial displacement with zero bending angle, and has a natural frequency of 213.1 Hz within haptic frequency range(180 ~ 240 Hz).