The qualitative judgment system based on fuzzy control was built after analyzing the relation between quality of spot welding and the box fractal dimension of signals in spot welding.
在对焊点质量与焊接过程中信息的盒维数统计物理关系的分析基础上建立了基于模糊控制理论的焊点质量判定系统。
Lots of CMM (Coordinate Measuring Machines) are introduced into automobile manufacturing field to measure and control the dimension quality.
大量的三坐标测量机用于汽车产品质量控制，提供了一种快捷方便的检测手段。
The results showed that the new perform mold made from the old mold could control the pressure of the perform, so that the perform could have exact dimension and good quality.
结果表明，在旧预成型模具的基础上改进的新型模具能精确控制预成型压力，从而可以保证预成型体的尺寸精度和质量。
The results showed that the new perform mold made from the old mold could control the pressure of the perform, so that the perform could have exact dimension and good quality.
结果表明，在旧预成型模具的基础上改进的新型模具能精确控制预成型压力，从而可以保证预成型体的尺寸精度和质量。
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