控制

This paper introduces the control principle of the direct torque control system of an asynchronous motor,and proposes a new strategy to solve the problem of the large torque ripple and current ripple.

本文介绍了直接转矩控制系统的控制原理，并针对基于直接转矩控制的异步电动机运行时存在较大的电流及转矩脉动问题，提出一种新的控制方案，并基于Matlab 6。

This paper introduces the control principle of the direct torque control system of an asynchronous motor, and proposes a new strategy to solve the problem of the large torque ripple and current ripple. The Matlab 6.5 simulation shows that it can solve the problem efficiently.

本文介绍了直接转矩控制系统的控制原理，并针对基于直接转矩控制的异步电动机运行时存在较大的电流及转矩脉动问题，提出一种新的控制方案，并基于Matlab 6.5对这种新方法进行仿真，仿真结果表明该方案能有效的解决电流及转矩脉动的问题。

Along with the development of science technique, traditional combined machine based on relay-control cannot adapt to the advanced productivity , in that case, the programmable controlling technique ,with its flexiblity, high reliability,good generalization,gradually replaced the relay-control, becoming the main development direction of the contemporary industry control.

随着科学技术的不断发展，传统的以继电器控制为基础的组合机床愈加与先进生产力不相适应，在这种情况下，可编程序控制技术以其灵活性好，可靠性高，通用性强，逐渐取代了继电器控制方式，成为当代工业控制的主要发展方向。

Along with the development of science technique traditional combined machine based on relay-control cannot adapt to the advanced productivity in that case the programmable controlling technique with its flexiblity high reliabilitygood generalizationgradually replaced the relay-control becoming the main development direction of the contemporary industry control.

随着科学技术的不断发展，传统的以继电器控制为基础的组合机床愈加与先进生产力不相适应，在这种情况下，可编程序控制技术以其灵活性好，可靠性高，通用性强，逐渐取代了继电器控制方式，成为当代工业控制的主要发展方向。

It may also improve the adaptivity ability to parameters time-variability and finally achieve the high effective development of system.

为了克服传统PID的控制缺陷，将模糊控制与PID控制相结合将会大大地提高控制系统的性能。

The purpose of tension control and main factors influence tension were explained according to the characteristic of web press .

通过对罗兰卷筒纸印刷机纸带张力控制系统实例，详细剖析了张力控制系统的控制规律和控制回路。

The comparison of fuzzy logic control with traditional was made by simulation through the Simulink too...

并用Matlab语言的Simulink仿真工具，进行了常规控制与模糊控制的动态性能的仿真比较，结果表明模糊控制可明显提高宽度控制系统的动态性能。

According to the life style of dairy cows, this study realizes the control of sprinkling system through controlling mode, which uses temperature-humidity index as a chief control parameter, also adding time parameter, thus efficiently reducing cow's heat stress.

根据奶牛的生理特性，该控制系统以温湿指数THI）为主控参数，结合时间控制参数等，编制的定时控制喷淋降温模式，能使奶牛生活环境得到更为合理的控制，能更加有效的减轻奶牛热应激。

Besides ValuePattern which represents a control that stores a string value, as a different example of control pattern, we can take the Invoke pattern control, InvokePattern, which represents the controls that are invokable, controls like buttons.

除了ValuePattern这代表控制作为一种管理模式不同的例子，存储一个字符串值，我们可以采取调用方式的控制，InvokePattern，它代表的是可调用的控制，如按钮控制。

A graphical method for the analysis and design of RC systems is proposed, by which the relationship between the tradeoffs of system performances and the selection of the controller parameters is clearly revealed. With the aid of the above method, the commonly used linear phase compensation in repetitive controllers is parametrically optimized.

首先，对连续重复控制系统的稳态和暂态性能、扰动抑制能力、鲁棒性等方面进行了详细的讨论；给出了重复控制系统的收敛速度分析；在此基础上，提出了一种分析和设计重复控制系统的图形化方法，清晰揭示出重复控制系统性能的折衷与重复控制器参数之间的关系。

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。