飞机装配型架接头定位器的自动设计

Automatic Design for Joint Locators of Aircraft Assembly Fixtures

接头定位器是现代飞机装配型架上最为常用的定位元件。为了简化接头定位器的设计过程,提高设计质量和效率,在FixCAD系统研制的基础上提出并开展了接头定位器自动设计技术的研究和开发。内容包括:(1)在分析接头定位器结构及其设计特点的基础上,提出并建立接头定位器的结构模型和设计模型;(2)研究接头定位器设计的知识和经验细节,建立可计算的推理原则和参数关系式;(3)基于接头定位器的结构模型、设计模型和设计知识,构建接头定位器的自动设计算法,以及应用该算法开发"典型接头定位器自动设计"模块。

Joint locators are most often used in assembly fixtures during the development of modern aircraft. To simplify the design procedure and enhance the quality and efficiency of the design for locators and fixtures, the techniques of automatic design for joint locators are specifically researched along with the development of the FixCAD system. The results show: firstly, with the analysis of the structures and their design of joint locators, the structural and design models are created; secondly, according to the process and practices of the design of joint locators, the computational design knowledge is listed and represented with if-then rules and mathematical equations; thirdly, based on the structural and design models and design rules, the algorithm of automated design for joint locators is proposed and applied to implement the module of the Automatic Design for Joint Locators. And lastly, the characteristics of the techniques proposed above are concluded.