当驾驶员的操纵力仅使调整片偏转而不作用于主操纵面时，称为伺服调整片。
When the pilot's control force acts only to deflect the tab, and not the main surface, it is designated a servo tab.
应用特征方程反问题的直接方法对舵面-液压伺服机构连接刚度参数进行了辨识。
The parameter identification of joining stiffness of rudder hydraulic servo mechanism can be done by using the direct method of characteristic equation anti problem.
结果表明，该方法简便且精度高，为舵面-液压伺服机构的动力学建模和分析提供了有效方法。
The results show that the method is simple and precise, and it provides an effective way to model and analyze dynamics of rudder hydraulic servo mechanism.
该系统以无刷直流电机作为伺服电机，采用三闭环的控制策略，实现舵面位置的高性能跟踪。
This system with brushless DC motor (BLDCM for short) as its drive adopts three-loop control strategy to achieve the aim at high accuracy position trail of rudder.
另一方面是主导轴的转速和相位伺服部分的组成、作用和工作原理。
One is the composing, function and principle of rotate speed and phase servo system of magnetic drum;
使用日系伺服马达，速度极高，稳定性优。 精度高，透明标签不起泡泡，可贴多种容器之单、双、三面，透用范围广。
The machine has a large scope of use with high accuracy and when use transparent labels there will be no bubble.
使用日系伺服马达，速度极高，稳定性优。 精度高，透明标签不起泡泡，可贴多种容器之单、双、三面，透用范围广。
The machine has a large scope of use with high accuracy and when use transparent labels there will be no bubble.
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