DESIGN OF A RESONANT-TYPE INERTIA DRIVE LINEAR MOTOR BASED ON PIEZOELECTRIC ASYMMETRIC TUNING-FORK ACTUATOR

被引：0
|
作者：
Wang, Yu [1 ]
Pan, Cheng-liang [1 ,2 ]
Dai, Tian-liang [1 ]
Xia, Hao-jie [1 ]
Yu, Lian-dong [1 ]
机构：
[1] Hefei Univ Technol, Sch Instrument Sci & Optoelect Engn, Hefei 230009, Anhui, Peoples R China
[2] Tianjin Univ, Key Lab Micro Optoelect Mech Syst Technol, Tianjin 300072, Peoples R China
来源：
PROCEEDINGS OF THE 2019 13TH SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS (SPAWDA) | 2019年
基金：
中国国家自然科学基金;
关键词：
Piezoelectric impact motor; Resonant-type; Inertia drive; Tuning-fork;
D O I：
10.1109/spawda.2019.8681870
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
With harmonic resonant vibration synthesis, resonant-type piezoelectric impact motors show a great improvement of power output capability against traditional piezoelectric impact motors. In this paper, a resonant-type inertia drive linear motor with piezoelectric asymmetric tuning-fork actuator is proposed. Structural design and working principle of the motor is descripted. A simplified mechanical model of the piezoelectric asymmetric tuning-fork actuator is established to investigate the frequency trends of the anti-phase and in-phase bending vibration modes of the structure. With FEA simulation, modal analysis of the structure is used to determine the optimal sizes of the components, resulting 1:2 frequency ratio of the two bending vibration modes. A prototype motor is manufactured to test the characteristics of the two vibration modes and their frequency trends.
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页数：5
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