设计了一种柔性导向焊缝动态跟踪装置，实现了超声波连续自动检测中焊缝的稳定动态跟踪。
A flexible guiding weld dynamic tracking unit is designed out and stable dynamic tracking of ultrasonic continuous automatic inspection is realized.
应用李亚普诺夫直接法，提出了一种基于不确定项上界的连续型鲁棒控制器设计方法。
Applying Lyapunov direct method, a design method of continuous robust controller is proposed based on the upper bounds of the uncertainties.
大门如同地面的连续隆起，一种水平向的延生给设计带来厚度上的变化。
Door as the continuous uplift of the ground, a level to extend the life brings to the design change of thickness.
应用推荐