伺服系统

AC servo system ; squirrel cage asynchronous motor ; IPM

交流伺服系统/鼠笼式异步电机；智能功率模块

This paper mainly carries out research on fuzzy neural network synchro control of pneumatic force of pneumatic servo system based on proportional pressure valve.

主要研究基于比例压力阀的气动伺服系统的模糊神经网络力同步控制问题。

Based on the special characteristics of stepping motor, using direct drive mode, many of the traditional servo system disadvantages can be avoided and it can notably improve the precision of terminal speed and position.

基于步进电动机的特点，采用直接驱动方式，可以消除存在于传统驱动方式中的诸多不利因素，显著提高伺服系统的终端合成速度和定位精度。

The optimized structure can more reduce thrust tipple, which provides ideal condition for precision machining and high dynamic response of servo system.

并且其优化后的结构使电机推力波动进一步减小，为伺服系统的超精密加工和高动态响应提供了理想的条件。

It is an attempt to make a low-cost turntable servo system apply to civil field, and it also provides a basis for the further study and generalization of this kind of production.

本课题是低成本转台伺服系统运用于民用领域的一次尝试，为该类产品的进一步研究和推广提供了一定的依据。

The unionize control of position and force can be realized by impedance control, which is one of main compliant force control theory.

但PWM气压伺服系统具有严重非线性，建模困难，这就阻碍了它的发展。

Zero phase error tracking control method can improve the tracking performance of servo system, but there still exists problems such as weak robustness and gain error.

零相差跟踪控制方法可以提高伺服系统跟踪性能，但仍存在鲁棒性不强和增益误差的间题。

Electro-hydraulic servo system have altitudinal nonlinearity. And this problem is not still solved well.

电液伺服系统具有高度的非线性，其仍然是至今没有很好解决的问题。

The tail fin with two degrees of the robot-fish under the change of heavy load and the influence of characteristic of electromotor will make the distortion of transformation of speed and position synchronously, and bring on anisomerous flaping of the tail fin.

机器鱼多关节尾鳍受外界负载变化及伺服系统机械结构本身特性的影响会使速度和位置曲线失真，从而影响机器鱼的推进效率。

The control methods in existence can not suffice for the needs of tracking precision bit by bit. How to improve the tracking precision has come to be the disquisitive highlight recently.

现有的控制方法已渐渐不能满足控制精度的要求，如何提高伺服系统的跟踪精度成为近年来研究的热点。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。