查询词典 control

At the last through an example, it come to a conclusion that it is not suitable to pursue the optimum when you decide to design a control system because it will damage the stability of control system, which can help ensure the control design index.

最后通过实例，指出在控制系统的性能设计时，不宜过分追求最佳控制性能，否则将使系统的稳定性损失过大。这为控制设计指标的确定提供了一定的依据。

With the development of various technologies such as motor control, Vector Control and Direct Torque Control appear one after the other. Hereinto, VC is been applying broadest for it's excellent performance.

随着交流电机控制等各种技术的发展，矢量控制和直接转矩控制等高性能调速系统相继出现，其中矢量控制以其优良的性能成为目前实际应用最为广泛的调速方法。

And the composed structure of the decentralized control and distributed control and hierarchic control can also be implemented with them.

单回路调节器是计算机控制系统中最简单的应用形式，也是现代控制系统中的基本单元。

Spinning frame control system of ring spinning frame than the complexity of many machines on the programmable logic controller applications required to meet two requirements: First of all, before and after the rollers are strict synchronization, realize twist drawing multiples and precision control to ensure that high-count yarn yarn quality; followed by the ring through the elimination of the transmission gears, servo control using advanced technology to achieve the electronic roll forming technology, enabling organizations to simplify the machinery, production speed, as well as the yarn count and yarn tube forming the automatic adjustment.

细纱机控制系统的环纺比许多机器的可编程逻辑控制器必须符合两个条件应用的复杂性框架：首先，前后辊严格同步，实现扭曲绘图倍数和精度控制，以确保高支纱的成纱质量，其次是环通过消除传动齿轮，采用先进的伺服控制技术实现的电子滚压成形技术，使企业简化机械，生产速度，以及支数和纱管形成了自动调整。

BOP. A data link control protocol that uses specific bit patterns to transfer controlling information. Examples are IBM's Synchronous Data Link Control and the ITU-T High-Level Data Link Control.

BOP。一种数据链路控制协议，使用特殊的比特模式来传输控制信息，例如IBM的同步数据链路控制和ITU-T高级数据链路控制。

To test the fluctuating asymmetry in fore femur, special vein L1 and hind wing under the stress and control, the resultshow that all traits except for L1 in first generation of control population demonstrated FA, and a majority of FA values were larger in treatment compare to those in control.

无论在处理种群还是对照种群中，随着筛选代数的增加，前足腿节、L1、后翅翅长的FA值均出现下降的趋势，将其与适合度各参数进行相关性分析后发现，处理种群中，后翅的FA4值与种群的存活率间存在显著的负相关关系(r=-0.64，p＜0.05)；在对照种群中，后翅翅长的FA3和FA4值与存活率间同样也存在显著的负相关关系(r=-0.61，p＜0.05；r=-0.63，p＜0.05)。

Through the research of the application of hoister stroke control and computer control, the paper introduces the design and the application of control system of auxiliary shaft hoister.

本文以孔庄矿副井提升机改造为工业背景，通过对提升机行程控制和计算机控制技术在矿井提升机中的应用的研究，阐述了副井提升机计算机控制系统的设计与应用情况。

The results indicate a high control quality. This control strategy can meet the requirement of holdup control under the present experimental conditions.

实验证明，该方法的控制精度好，在当前实验条件下能够很好的满足控制要求。

By finding the solution to the model and constructing itsreachability graph and homogeneous Markov chain, the analytic results of the systemperformance under this control scheme are obtained. The relationship between performanceindex and control restriction is given. All this can provide a basis for quantitative analysisand evaluation of overload control property in digital exchanges

通过对模型求解、构造可达图及同构Markov链，推导出了这种控制方式下系统性能的解析结果，给出了它们与控制严密程度之间的关系，从而为定量分析和评价数字交换机过载控制特性提供了依据。

Taken the three dimensional shining metal combination machine tool as an object of study in the paper,the main structure and motion form have been discussed and the work process and control requirement of machine tool have been analyzed,the movement cycle diagram of machine tool and the motion table of hydraulic pressure component have been given.Then the control system design based on PLC has been proposed,the I/O address table has been listed and the hardware and software of the control system has been de...

文章以三面铣组合机床为研究对象，通过对主要结构和运动形式的探究以及对机床的工作过程和控制要求分析，给出了机床动作循环图、液压元件动作表；并采用PLC控制系统的设计方法，列出了I/O地址分配表，进行了软硬件设计，绘制了 PLC的外部接线图和单循环自动工作流程图及其说明；实验运行结果表明，将PLC技术应用于三面铣组合机床具有整体技术及经济效益。

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。