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| 安全气囊ECU支架的频响分析及模态优化 | |
| 引用本文： | 李乐新,沈智达,雷济平. 安全气囊ECU支架的频响分析及模态优化[J]. 机械设计与制造, 2012, 0(4): 273-275 |
| 作者姓名： | 李乐新 沈智达 雷济平 |
| 作者单位： | 1. 沈阳理工大学装备工程学院,沈阳,110168 2. 华展汽车工程研究院,沈阳,110141 3. 中国石油辽河分公司沈阳采油厂,盘锦,110316 |
| 摘 要： | 安全气囊ECU是当车辆发生碰撞时,用于检测加速度信号,控制气囊起爆时间的部件。车辆研发过程中要求安全气囊ECU安装支架必须满足一定的固有频率的设计要求,以防止引发共振而产生误爆。对Nastran软件和频率响应分析做了介绍,应用Hypermesh和Nastran软件,对某款车型的安全气囊ECU支架进行频响分析和模态分析,并且对ECU的安装形式和支架的结构进行初步分析和结构优化,优化结果使ECU支架的固有频率达到设计要求,为设计部门的详细设计和后续方案提供依据。 |
| 关 键 词： | ECU支架 有限元 频响分析 中通道 |
Frequency response analysis and modal optimization of airbag CEU bracket |
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| LI Le-xin , SHEN Zhi-da , LEI Ji-ping. Frequency response analysis and modal optimization of airbag CEU bracket[J]. Machinery Design & Manufacture, 2012, 0(4): 273-275 | |
| Authors: | LI Le-xin SHEN Zhi-da LEI Ji-ping |
| Affiliation: | 1School of Equipment Engineering Shenyang Ligong University,Shenyang 110168,China)(2Brilliance Automobile Engineering Research Institute,Shenyang 110141,China)(3China Petroleum Liaohe Petrochemical Company of Shenyang oil production plant,Panjin 110316,China) |
| Abstract: | The airbag ECU is a component which by collect acceleration information to control the airbag when vehicle impact.Airbag ECU bracket must meet design requirements of natural frequency in order to prevent airbag wrong opening.Using Hypermesh and Nastran software to calculate bracket’s frequency response and mode,analyzing assembly form and optimizing bracket’s structure to reach the design requirements,providing some reference for detail design and cases. |
| Keywords: | ECU bracket FE Frequency response analysis Tunnel |
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