工业构件塑变校正系统的自适应模糊控制  

Self-adapting fuzzy control on plastic deformation rectification system of industrial components

作　　者：赵连玉[1] 蒋文萍[2] 

机构地区：[1]河北工业大学机械工程学院,天津300130 [2]天津理工大学机械工程学院,天津300191

出　　处：《机械设计》2008年第1期59-61,共3页Journal of Machine Design

基　　金：天津市自然科学基金重点资助项目(003801011)

摘　　要：利用金属塑性变形后产生残余变形的原理对需校正工件主动加载,可实现工业构件的塑变校正。但塑性变形受工件的长度、直径、材质等非线性因素影响,难以建立精确的解析模型进行控制。文中在总结人工操作经验的基础上,设计了以需校正构件的塑性变形量及其变化量为输入、加载量为输出的具有自学习功能的二维模糊控制器,以达到减小误差和提高工效的目的。校正原理样机实验证明,塑变控制精度可达到0.04 mm。The plastic deformation rectification of industrial components can be realized by actively loading on the component need to be rectified with the application of principle of the produced remaining deformation after the plastic deformation of metals. Yet it was difficult to build precision analytical model for carrying out control on the plastic deformation due to the influences of the nonlinear factors of the length, diameter and material behaviour etc. of the components. On the basis of summarizing experience of manual operation, this paper designed the 2D fuzzy controller that possesses self-study function and takes the amount of plastic deformation of the component need to be rectified and its amount of variation as the inputs and takes the loading capacity as the output, so as to achieve the aim of reducing error and enhancing working efficiency. The experiment made on the prototype of rectifying principle testified that the precision of plastic deformation may be attained to 0.04 mm.

关 键 词：模糊控制 自适应 塑变校正 

分 类 号：TH161[机械工程—机械制造及自动化]