摘要
对声波激励下碰撞传感器的可靠性进行测试和分析。对其微机电系统(Micro Electro Mechanical Systems,MEMS)结构进行细致解析,探究其工作原理。通过自搭建系统,一方面解析碰撞传感器测量的加速度值,另一方面将同时刻的测试频率进行读取,进而将两者结合进行数据分析。在此基础上,采用多设备、多频点、多方向及不同调制方式的声波对碰撞传感器的可靠性进行评估,进而有效地避免安全气囊误起爆情况的发生。
The reliability of the collision sensor under acoustic wave excitation is tested and analyzed.The MEMS(Micro Electro Mechanical Systems)structures and their working principles are analyzed and explored.Through the self-built system,the acceleration value measured by the collision sensors is analyzed,and the simultaneous test frequency value is read,then they are combined for data analysis.On this basis,acoustic wave from multi-device,multi-frequency point,multi-direction and different modulation methods are used to evaluate the reliability of the collision sensor,which can avoid the situation that the air bag explode in the error cases.
作者
贾维彬
闫琛
冀晓宇
徐文渊
JIA Wei-bin;YAN Chen;JIXiao-yu;XU Wen-yuan(School of Electric Engineering,Zhejiang University,Hangzhou 310027,China)
出处
《控制工程》
CSCD
北大核心
2019年第11期1971-1977,共7页
Control Engineering of China
基金
国家高技术研究发展计划(863计划)资助项目(2015AA050202)
国家自然科学基金(面上项目)“电力信息物理系统风险与生存性研究”(61471328)
国家自然科学基金NSFC(6472358)
NSF(National Science Foundation)CNS(1513107)
国家自然科学基金青年项目(61702451)
关键词
碰撞传感器
声波
MEMS
数据分析
调制
Collision sensor
acoustic wave
MEMS
data analysis
modulation