笔者通过室内模型试验对螺旋锚的倾斜角度对其上拔承载力的影响及其上拔破坏机理进行了探讨。
Laboratory model tests are carried out to investigate the effect of inclined Angle of the anchor on the uplift capacity and the mechanism of uplift failure.
重复控制的基本思想是控制理论中的内模原理，根据上一周期的控制误差消除后面各周期性的信号误差。
The repetitive controller based on the theory of internal model produces correction signal based on the control error of the last cycle to eliminate the error in the latter cycle.
在大时变鲁棒数字PID控制方法的基础上，结合二自由度的内模控制结构，实现了控制器参数的数字双PID分离设计。
Separate designs of a dual PID controller were presented based on the large time-varying robust digital PID control combining with two degrees of freedom internal model control structure.
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