应用图乘法求结构位移比较简便，但若忽略其适用条件和特点，将导致计算出错。
It is convenient to apply diagram multiplication when structure displacement is calculated, but faults easily occur if its applying conditions and characteristic are ignored.
并结合管袋结构临界稳定性原理以及持续位移计算原理进行分析比较，得到相关结论。
Combined with the theory of critical stability and computation theory of lasting displacement, conclusion is made.
实时比较工件径向位移信号是否超出预设范围，同时参考刀具磨损方程的定量估计结果，决定是否送机床刀具补偿信号。
Comparing radius change of workpiece with limitation real time , at the same time taking into account the result of tool wear model to decide whether send offset signal to machine tool or not.
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