基于多约束优化的车门分缝线自动设计方法  

Automatic design method of parting line for vehicle door based on multi-constrained optimization

作　　者：靳春宁[1] 周乐 谢悦 李宝军[1] 王海锋 JIN Chunning;ZHOU Le;XIE Yue;LI Baojun;WANG Haifeng(School of Automotive Engineering, Dalian University of Technology, Dalian 116024, China;Auto Engineering Research Institute, BYD Auto Industry Company Limited, Shenzhen 518000, China)

机构地区：[1]大连理工大学汽车工程学院,辽宁大连116024 [2]比亚迪汽车工业有限公司汽车工程研究院,广东深圳518000

出　　处：《大连理工大学学报》2020年第6期619-627,共9页Journal of Dalian University of Technology

基　　金：国家自然科学基金资助项目(11472073).

摘　　要：车身零部件设计是一个多因素制约与多评价标准的复杂过程,既与关联附件产生复杂约束关系,形成复杂的几何形态,同时也受到自身结构复杂的工程规则、几何约束、设计意图综合影响.基于工程多约束问题的车身零部件设计方法,从一个全局角度考虑实际设计过程中的多种复杂约束和设计变量,以多阶段灵敏度分析的优化机制进行高效设计,不仅提高解决问题的效率,并且拓展解决问题的维度.以复杂的车门分缝线设计工具作为典型案例进行说明,由多个工程实例获得了合理有效的车门分缝线.就复杂车身设计而言,所提流程和机制具有广泛参考意义,合理考虑附件之间复杂的关联问题,以多约束多标准的参数化模型对复杂工程问题进行有效描述和解决.The design of body parts is a complex process with multi-factors and multi-evaluation standards.It not only has complex constraint relationship with the associated attachments and forms complex geometry,but also is under the comprehensive influence of complex engineering rules,geometric constraints and design intention.Considering multiple complex constraints and parameters in the actual design process from a global view and using the multi-stage sensitivity analysis optimization mechanism to perform efficient design,the design method of body parts based on multi-constrained engineering problem can not only accelerate the efficiency of problem solving but also extend the dimension of problem solving.Taking the parting line design tool for vehicle door as an example,reasonable and effective results are obtained from several engineering examples.As far as complex design of body parts is concerned,the proposed process and mechanisms have a broad reference significance,which reasonably considers the complex association problems between attachments and describes and solves the complex engineering problems with multi-constraint and multi-standard parametric model.

关 键 词：车身零部件设计 多约束 优化迭代 灵敏度分析 

分 类 号：U463.83[机械工程—车辆工程]