基于仿生学车身制造偏差的有限元分析  

Finite Element Analysis of Auto Body Manufacturing Deviation Based on Bionics

作　　者：杜设亮[1] 林忠钦[1] 

机构地区：[1]上海交通大学机械与动力工程学院,上海200240

出　　处：《上海交通大学学报》2009年第1期110-113,共4页Journal of Shanghai Jiaotong University

基　　金：国家自然科学基金资助项目(59805018);第30批中国博士后科学基金资助项目

摘　　要：为了解决传统车身制造偏差控制的自适应性及鲁棒性较差问题,将仿生学应用于车身装配偏差控制.在研究压电主动构件工作原理的基础上建立仿生智能偏差控制系统,利用仿生单元模拟各影响因素,采用有限元分析软件分析车身零件点焊装配过程中的应力和应变数值,以确定车身制造过程中的各偏差源.仿真实例结果表明,基于仿生学的有限元车身偏差控制能够有效降低车身制造偏差,并可以为车身制造偏差的仿生控制系统设计提供理论指导,也是一种有效改善车身制造质量的新方法.The self-adaptive ability and robustness of the traditional auto-body manufacturing deviation control is rather bad. To solve this problem, the bionics was applied in the study on the control of auto-body assembling deviation. Based on the study on the working mechanism of piezoelectric active actuators, the intelligent bionic control system for the deviation was established. The bionic cells were utilized to simulate various influence factors. The stress and strain of auto-body were analyzed by means of the finite element analysis software so as to determine various deviation sources during the process of auto body manufacturing and establish the foundation of the bionic control model for the auto body spot welding assembling deviation analysis. The simulation results show that the finite element analysis of auto-body manufacturing deviation based on the bionics can effectively reduce the auto-body manufacturing deviation, and can provide a theoretical guidance for the design of the bionic control system of the auto-body manufacturing deviation. It is also a novel effective approach to improve the auto-body manufacturing quality.

关 键 词：偏差控制 仿生控制 有限元分析 车身质量 

分 类 号：TH161[机械工程—机械制造及自动化]