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自控理论
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  automatic control theory
     MATLAB-based Simulation of Automatic Control Theory
     基于MATLAB环境的自控理论实验仿真
短句来源
     COMPUTER-AIDED TEACHING AND EXPERIMENTS OF AUTOMATIC CONTROL THEORY
     自控理论的计算机辅助教学与实验
短句来源
     Combining with the characteristics of the experimental course of Automatic Control Theory,this paper puts forward some improvement measures in bringing their practical ability of operation and raising the experimental efficiency.
     结合自控理论实验课的特点,提出了如何发挥学生的主动性和动手能力,提高实验效率等改革措施。
短句来源
     It involves automatic control theory,intelligent control,computer technique,electronic technique of power system, robot and automatic education etc.
     涉及到自控理论、智能控制、计算机技术、电力电子技术、机器人及自动化教育等方面。
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     System stability analysis is an important and difficult matter in the automatic control theory.
     系统稳定性的判定是自动控制理论中的重点内容,也是自控理论教学中的难点.
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  “自控理论”译为未确定词的双语例句
     The simulation in the auto-control theory of basic linear analysis using MATLAB language
     MatLab语言在自控理论实验基本线性分析中的模拟仿真
短句来源
     Improving Teaching Quality of Experimental Course on Automatic Control Theory and Developing Students' Practical Ability of Operation
     提高自控理论实验质量 培养学生动手能力
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     According to the capability needs of the system and auto-control theory, the author confirms that the system is the close 100p negative feedback system.
     随后,根据系统具体的性能要求和自控理论,确定了整个系统的闭环负反馈这一控制构架。
短句来源
     Single and double porosty media were calculated using microperturbation and automatic matching methods, which showed that automatic control and optimization theories can be applied to well testing problems, treated as parameter identification of control systems.
     本文提供了求解试井问题的基本公式和算法,并结合算例对单一介质和双重介质系统运用微扰动和自动拟合方法作出了具体结果。 这些初步结果表明,把试井问题作为一个可控系统的参数辨识问题来对待,可以运用已成熟的自控理论和最优化方法,较准确而有效地进行试井资料解释。
短句来源
     This paper describes a moving-coil high pressure electrohydraulic servo valve in detail,which is appling the theories of the machinery,eletricity,hydraulics and auto-control. This servo valve can be used in the large tonnoge and high power eletric-arc furnace and the system of auto-control of electrode for the equipments of second refining LFV.
     本文依据机、电、液、自控理论介绍一种高压动圈式电液伺服阀,它适用于大吨位超高功率电弧炉和LFV炉外精炼设备的电极升降自动控制系统。
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  相似匹配句对
     MATLAB-based Simulation of Automatic Control Theory
     基于MATLAB环境的自控理论实验仿真
短句来源
     COMPUTER-AIDED TEACHING AND EXPERIMENTS OF AUTOMATIC CONTROL THEORY
     自控理论的计算机辅助教学与实验
短句来源
     Fractal Theory
     分形理论
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     The Theory of the Rainbow
     虹的理论
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  automatic control theory
The consideration is based on the automatic control theory.
      
The essence of AEMS is exercising the hybrid automatic control theory and technology to realize multi-objective optimal closed-loop control of power systems.
      
The authors point out the suitability of the employed regulatory characteristic for the quantitative study of adaptability and resistance of the organism and its relatedness to the damping ratio, used in the automatic control theory.
      
Our approach has wide applications not only in optimization problems from automatic control theory but also in mathematical statistics and the theory of material strength and plasticity.
      
The results are examined and discussed from the standpoint of methods of automatic control theory.
      
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This paper analyses and compares the root-loci of three electro-hydraulic servo systems with position, velocity and acceleration feedback correction respectively. The effects of zero and pole placements of the correcting unit on servo system performance are discussed and an engineering method for zero and pole arrangement is given;

本文应用文献[1]、[2]的框图,对其传递函数进行了推导.文中运用自控理论,对位置、速度和加速度反馈三种电液随动系统的根轨迹进行了分析与比较,讨论了校正环节的零极点位置对系统性能的影响,并得出了配置零极点的工程方法.

History matching was used to interpret well testing curve. Single and double porosty media were calculated using microperturbation and automatic matching methods, which showed that automatic control and optimization theories can be applied to well testing problems, treated as parameter identification of control systems.

本文提供一种新的方法,即历史拟合的方法来反求地层参数和处理试井数据。把待定的地层参数作为控制变量来看待,当计算机模型上自动调节所得的地层参数值能使理论曲线与实测曲线达到最佳匹配时,此时的控制变量(如渗透率、窜流系数、弹性系数等)的数值就认为是地层的实际参数值。本文提供了求解试井问题的基本公式和算法,并结合算例对单一介质和双重介质系统运用微扰动和自动拟合方法作出了具体结果。这些初步结果表明,把试井问题作为一个可控系统的参数辨识问题来对待,可以运用已成熟的自控理论和最优化方法,较准确而有效地进行试井资料解释。

At present the static characteristic of hydrostatic bearing including bearing,slideways,and supports,has been studied comprehensively and intsensively.In orderto solve the problems arising in application it is necessary to go further into a dynamiccharacteristic theoretically.In this paper,the volume effect of cylinder and of sensitive oil line(thelength from throttle to bearing),and the extrusion effect due to the movement ofthe supported element are analyzed.The analysis is based on the fact that oil iscompressible.The...

At present the static characteristic of hydrostatic bearing including bearing,slideways,and supports,has been studied comprehensively and intsensively.In orderto solve the problems arising in application it is necessary to go further into a dynamiccharacteristic theoretically.In this paper,the volume effect of cylinder and of sensitive oil line(thelength from throttle to bearing),and the extrusion effect due to the movement ofthe supported element are analyzed.The analysis is based on the fact that oil iscompressible.The factor influencing the dynamic stability of ths hydrostatic bearingsystem is also analyzed in the light of automatic control theory.Finally,thefollowing conclusions of designing value have been arrived at:1.The extrusion effect is factor favourable to dynamic stability.That is thereason for extending the support area,reducing the support clearance and incre-asing oil viscosity.2.The volume effect is a factor unfavourable to dynamic stability and so itis necessary to reduce the cmpression volume of the system,the volume variation ofpressure cavity of fecdback throttle,and the gas content in oil.

目前,液体静压支承的动态特性理论尚不够完善,有待于做进一步深入研究。本文在考虑了油液可压缩的基础上,分析了容积效应的驱振作用和挤压效应的阻尼作用对静压支承系统动态特性的综合影响,并用数学和自控理论求得稳定性的判别公式。同时,对含气液体静压支承系统的振幅频率特性进行了分析计算,得出几种状态下的失稳频率范围。最后,在上述定性及定量分析的基础上,总结出对设计有参考价值的如下结论:1.挤压效应是动态稳定因素,因此:增大支承面积;减小支承间隙;增加油液粘度。2.容积效应是动态不稳定因素,为此:减小系统压缩容积;减少反馈节流器的压力腔容积变化;减小油液中的气体含量。

 
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