查询词典 servo system

Focal depth plays an important role in optical storage systems, and high focal depth makes the focusing servo system easy to track the disk surface.

焦深在高密度光盘存储系统中具有十分重要的作用，大焦深可以使调焦伺服系统容易跟踪盘面。

This paper proposes a new type position controller with neural network structure, gives it ' s learning rule , and do the simulation experiment on position servo system of NC machine.

本文提出了一种新型的神经网络结构的位置控制器，给出了该控制器的学习算法，并进行了数控机床位置伺服系统的仿真实验。

Based on the systematic analyses of the applications and developments of step motor, the driving technique of step motor are analyzed in this paper, and upon these statements, a mathematical model of VR step motor is built. With this model, the coil current of step motor with chopping driver and the non-loaded starting frequency are simulated for the base of designing of step motor servo system.

本文在系统分析了步进电机应用和发展的基础上，对步进电机的驱动技术作了详尽的论述，建立了三相反应式步进电动机的数学模型，并利用该模型对斩波驱动的步进电机绕组电流及空载运行的启动频率等进行了仿真，为步进电机驱动系统的设计提供了依据。

A dynamic friction model is build and a friction observer is designed for ordinary position servo system.

从分析结果得知影响伺服系统低速性能的主要因素是摩擦力。因此，要提高电液伺服系统的低速性能，必须对摩擦力进行补偿。

In order to analyze the result caused by the frictional dynamic character in servo system,and test the validity of various friction compensation methods,a simulation scheme for dynamic friction model is required.

为了深入分析摩擦力动态特性在高精度的伺服系统控制中造成的影响，检验摩擦补偿方法对动态摩擦的补偿效果，需要建立一个有效的动态仿真摩擦模型。

For the problem of parameter variation and nonlinear dynamic friction compensation, a recurrent-neural-network-based adaptive- backstepping control for servo system was proposed.

针对伺服系统的系统参数摄动和非线性动态摩擦补偿问题，提出基于递归神经网络的自适应反步控制系统设计方法。

Advances an integrate method about studying on the simulation and optimization for dynamic performance of servo system.

提出了一种完整的伺服系统动态特性仿真优化的方法，对实际生产具有重要的意义。

The results show that the dynamic performance of servo system is enhanced greatly.

仿真结果表明，伺服系统的动态性能有了很大的提高。

ABSTRACT It is an important research area for the realization of the adaptive control of an electrohydraulic servo system.

实现高阶电液伺服系统的自适应控制的研究是目前一个重要的研究课题。

This control method is applied to an electrohydraulic servo system.

将此控制策略应用于某电液伺服系统，结果表明系统性能得到明显改善。

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。