Application of capacitive acceleration sensor based on MEMS in airbag system

YIN Su-min; LI Zheng-yang; WAN Xiang; WANG Wei-li; ZHANG Jian-ming

doi:10.13873/J.1000-9787(2015)07-0151-04

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Application of capacitive acceleration sensor based on MEMS in airbag system

更新时间：2025-09-11

- Application of capacitive acceleration sensor based on MEMS in airbag system
- Vol. 34, Issue 7, Pages: 151-154(2015)
- 作者机构：
  
  江苏大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2015)07-0151-04
  CLC： TP212
- Published：2015
- 稿件说明：
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[1]殷苏民,李正阳,万翔,汪伟力,张建明.电容式MEMS加速度传感器在气囊系统中的应用[J].传感器与微系统,2015,34(07):151-154.

YIN Su-min, LI Zheng-yang, WAN Xiang, et al. Application of capacitive acceleration sensor based on MEMS in airbag system[J]. 2015, 34(7): 151-154.
[1]殷苏民,李正阳,万翔,汪伟力,张建明.电容式MEMS加速度传感器在气囊系统中的应用[J].传感器与微系统,2015,34(07):151-154. DOI： 10.13873/J.1000-9787(2015)07-0151-04.

YIN Su-min, LI Zheng-yang, WAN Xiang, et al. Application of capacitive acceleration sensor based on MEMS in airbag system[J]. 2015, 34(7): 151-154. DOI： 10.13873/J.1000-9787(2015)07-0151-04.

摘要

安全气囊系统作为汽车被动安全的核心组成

有着极为重要的作用。为了提高其性能

设计了一种基于MEMS的外围加速度传感器的系统。该系统通过微机械结构检测汽车碰撞时的加速度

再通过一体式的专有集成电路对信号进行处理

然后将数据经总线传送到安全气囊控制器进行逻辑运算。通过实际碰撞测试

证明该设计系统能增强碰撞识别度和提早点火时间

极大地提高了安全气囊系统的性能。

Abstract

As the core of automotive passive safety airbag system

airbag system plays the most important role. In order to improve the performance of airbag system

a system of peripheral acceleration sensor is designed based on MEMS. The system detects acceleration of auto in collision

and process signal through the one-piece proprietary integrated circuit

after that

the data will be delivered to airbag control unit for logical operation. Through the actual crash test

it is proved that the designed system can enhance the recognition of collision and early the ignition timing

greatly improve the performance of the airbag system.

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references

MEMS加速度传感器的原理及分析 [J]. 张海涛,阎贵平. 电子工艺技术 . 2003(06)

微机械加速度传感器及应用 [J]. 石庚辰. 测控技术 . 2003(03)

汽车安全气囊控制单元的设计与实现 [D]. 文洪奎. 上海交通大学 2012

基于MEMS技术的差分电容式加速度微传感器的研究和设计 [D]. 肖鹏. 西安电子科技大学 2006

汽车安全气囊工作过程计算机仿真理论与试验验证技术研究 [D]. 何文. 湖南大学 2002

汽车传感器的检测[M]. 机械工业出版社 , 贺展开, 2011

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