摘要
为了研究人耳半规管中壶腹嵴的振动传感特性,本文采用表面对称电极含金属芯PVDF纤维(SMPF)传感器,代替人体纤毛细胞感受器,并模仿人体壶腹嵴的结构,设计制备了一种仿生壶腹嵴。根据压电方程和振动理论,建立了仿生壶腹嵴的振动传感理论模型。搭建了实验系统,测试了仿生壶腹嵴的振动传感功能。实验结果表明,仿生壶腹嵴在液体压力作用下可以产生相应的变形,而通过SMPF的输出电荷信号,可以感知仿生壶腹嵴受到的振动激励,包括正弦与冲击振动的波形、频率和幅值。实验结果验证了理论模型,同时验证了人体半规管中,壶腹嵴具有振动感知的能力和作用。
In order to study the vibration sensing characteristics of the crista ampullaris of the human ear semicircular canal,this paper uses PVDF fiber(SMPF)sensor which contains the surface-symmetric electrode and mental core,to replace the human ciliated cell receptor,and imitates the structure of the human crista ampullaris to design abionic crista ampullaris.According to the piezoelectric equation and vibration theory,the theoretical model of vibration sensing of bionic crista ampullaris is established.An experimental system is set up to test the vibration sensing function of the bioniccrista ampullaris.The experimental results show that the bionic crista ampullari can produce corresponding deformation under the action of liquid pressure,and the output charge signal of SMPF can sense the vibratorystimulation of the bionic crista ampullaris,including the waveform,frequency and amplitude of sine and shock vibration.The experimental results verify the theoretical model and verify the ability and function of thecrista ampullaris of the human semicircular canal.
作者
李文康
王永坡
徐强
边义祥
姜亚妮
LI Wenkang;WANG Yongpo;XU Qiang;BIAN Yixiang;JIANG Yani(Collge of Mechnical Engineering,YangZhou University,Yangzhou Jiangsu 225127,China)
出处
《传感技术学报》
CAS
CSCD
北大核心
2020年第1期40-44,共5页
Chinese Journal of Sensors and Actuators
基金
国家自然科学基金面上项目(51775483)。
