From the causes of not smooth arch, the structure of the material, this paper talks about several aspects of the structure camber control.

文章主要从拱度的成因、结构的材料等几个方面来谈谈对结构拱度的控制。

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As a type of special equipment, the construction of large-scale cranes is very difficult, especially the main beam camber control and the deformation control.

这种大型特种设备建造施工难度大，特别是主梁的上拱度控制、大型箱体结构的变形控制都较一般结构难度大。

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First PLC system completes AGC operation and feedback control; secondary computer completes model calculation and setup of camber control. The whole system reaches the highest level of the world.

一级PLC系统完agc的执行与反馈控制，二级计算机完成凸度控制的模型计算和设定，整个控制系统达到了当今世界最高水平。

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