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被控变量     
相关语句
  controlled variable
     Pressure Difference──A Being Known Controlled Variable forRectification Tower
     压差──一个有待认识的精馏塔被控变量
短句来源
     It is possible in some industrial process, to select two or more manipulatedvariables to control one controlled variable.
     在生产过程中,存在一类多变量系统,它有一个可由两个或两个以上的操纵变量控制的被控变量
短句来源
     In the feedback control loop the liquid slag temperature at outlet of flow deflector is measured which used as primary controlled variable and the current in electrode is measured which used as secondary controlled variable.
     在这个控制方案中,导流槽出口液渣温度须进行测量,并作为主被控变量,导流槽中电极的电流也须进行测量,并作为副被控变量
短句来源
     If the controlled variable lies in the big error area, the controller is regulated and the control action is strengthened such that controlled variables return to the small error area as soon as possible.
     当被控变量位于大偏差区时,连续调整控制率使控制作用加强,以便被控变量尽快回到小偏差区,从而加快控制系统的调节过程.
短句来源
  manipulated variable
     In this paper, the controlled object is concentration of distillate , reflux ratio is selected as the manipulated variable.
     两种控制方法以塔顶产品的液相轻组分浓度为被控变量,回流比为控制量。
短句来源
     The control system, which used in heat pump electromagnets four way reversing valve capacity characteristic test bed, is a typical multi input and output system. As its non linear, intense coupling and multi variable characters are concerned, the Bristol Shinskey method and variable separating method are used to analyze the couplings in the system and the relations between manipulated variable and controlled dependent variable respectively;
     热泵型电磁四通换向阀的全自动容量特性实验台的自动控制系统是典型的是多输入、多输出过程控制系统 ,针对制冷系统的非线性、强耦合、多变量的系统特性 ,首先采用Bristol-Shinskey法对系统进行耦合分析 ,运用变量分离法得到控制变量与被控变量之间的匹配关系 ;
短句来源
  controlled variables
     Because the voltage source converter has two degrees of freedom for control,four controlled variables in the two volage source converters of the HVDC system are determined.
     根据电压源换流器具有 2个控制自由度的特点 ,确立了新型直流输电系统两端换流站的 4个被控变量 ,导出了这种新型直流输电系统的稳态数学模型 ,并基此确定了电压源换流器中 2个控制量分别控制 2个被控量的近似解耦关系。
短句来源
     For a absorption stabilization system,the content of C + 3 in dry gas,the composition of C - 2 and C + 5 in LPG are major controlled variables. Based on a large amount of onsite data and a regression method,the calculating models(soft instruments) meeting requirements of APC were obtained.
     在吸收稳定系统上实施先进控制 ,干气中C+ 3 、液化石油气中的C- 2 和C+ 5 的组成都是很重要的被控变量 ,利用现场收集的大量数据和回归方法 ,得到了满足APC需要的计算模型 (软仪表 )。
短句来源
     A multi-variable model predictive control algorithm with output zone goals (ZMMPC) is proposed as some controlled variables have no set-point requests but only a zone constraint goal in the practical process control (systems.)
     针对实际过程控制系统中某些被控变量没有设定值要求只有区域目标约束要求这一特点,提出一种带有输出区域目标特性的多变量预测控制算法(ZMMPC).
短句来源
     A feed-forward loop is added to original PI controller to realize the coordinated control between the two controlled variables at the two control ends.
     该策略具有如下的特点:在原有的PI控制器中加入一个前馈回路以便在直流系统2个控制端的被控变量间实现协调控制;
短句来源
     The Model Adaptive Strategy for Multivariable Model Predictive Control based on system steady model is proposed, by the relative gain variation of controlled variables to manipulated variables and disturbance variables based on the system steady model, the channel's gain of transfer functions are modified.
     本文提出基于系统稳态模型的模型自适应MPC策略,利用稳态模型在不同操作点上被控变量对操纵变量及扰动变量的相对变化率的变化,来刷新RMPCT控制器中各通道的模型增益。
短句来源
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  “被控变量”译为未确定词的双语例句
     The results of performance is shown that the applying of the advanced control system is able to improve the level of automation to the unit,with operation stable and yield of C_(11)~C_(13) to be increased by 0.63 %,which brings greater economic profits to the enterprise.
     标定结果表明:投用了先进控制可以充分调动多个操纵变量的协调功能,有效地对被控变量进行控制,提高了装置运行的自动化水平,稳定了操作,提高了C11~C13产品收率0.63%。
短句来源
     If only the transfer function of the process, G_p (S), and the parameters of the controller are given the controiled variable of the process in the start-up of the system can be evaluated.
     只要对象的传递函数G_P(S)和调节器的参数是已知的,对象的被控变量在系统起动过程的变化就可以计算出来。
短句来源
     The key to control flying gage change(FGC) on a tandem cold mill is to deal with the intercoupling between the process variables,such as thickness,stress and so on.
     冷连轧动态规格变换过程实现控制的主要困难在于冷轧过程中厚度、张力等被控变量之间的相互耦合作用。
短句来源
     Model prediction control techniqu e is the representative of advanced process control techniques and the technique h as the following characteristics:the output variation of controlled plant and the deviation between controlled variants and standard values in future time c ould be predicted beforehand by the application of prediction models,and the pr ediction could be used as the evidence for the determination of control function s;
     模型预测控制技术是先进过程控制技术的代表,其特征是:可利用预测模型预测未来时刻被控对象的输出变化及被控变量与其给定值的偏差,作为确定控制作用的依据;
短句来源
     The simulative test was carried out on the point-to-point movement control for the mechanism under the condition of typical PD controller and the being presented optimal controller,and at the same time taking the positional error,velocity error of the actuator at the end of mechanism as variables being controlled,their controlling accuracy has been comparatively analyzed.
     对机构在典型的PD控制器以及所提出的最优控制器下的点到点运动控制进行了仿真实验,同时以机构末端执行器的位置误差、速度误差为被控变量,对比分析了它们的控制精度。
短句来源
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  controlled variable
Therefore, the changing trend of the controlled variable can be accurately reflected.
      
Consideration was given to optimization of the stationary mode by variance of the controlled variable as applied to the class of discrete linear plants and perturbations with incomplete spectrum.
      
The problem of designing an adaptive control system with reference models of local subsystems was solved for the case where only the controlled variable and the scalar control action are measurable.
      
A scheme of robust control of uncertain plants which does without measuring the derivatives of the controlled variable and compensates the bounded external perturbations to within δ was proposed.
      
With h used as a controlled variable, it was possible to ensure individual targeted changes in the functional state (FS) during LBNP.
      
更多          
  manipulated variable
In this paper it is assumed that apart from the actual controlled varible some inner system variables of a given plant can be applied to produce the manipulated variable.
      
the manipulated variable and the system error and so on do not exceed given maximum values.
      
The output variable is the reactor substrate concentration and the manipulated variable is the dilution rate.
      
The manipulated variable is the feed substrate concentration (Sf) and the disturbance variable is the dilution rate (D).
      
The nonlinearity in the gain is considered for relating output to the manipulated variable and separately for the relation between output to disturbance variable.
      
更多          
  controlled variables
Process Control System Synthesis under Constraints Imposed on Controlled Variables
      
The modified method ensures that the constraints imposed on the controlled variables are satisfied as the control and disturbing actions vary randomly.
      
Conventional methods of compressing information into a space of a lower dimensionality are adapted for constrained controlled variables.
      
Calculation of regulation systems with two auxiliary controlled variables
      
A system for automatically regulating the temperature of superheated steam from a boiler has recently been proposed that employs two auxiliary controlled variables.
      
更多          
  controlled variation
It is shown that the radius of the zone of microdamage of high-modulus crystals can be significantly reduced by means of controlled variation of the explosive density and the blast-loading regime.
      
Experimentally induced changes of arterial mean and aortic opening pressure by controlled variation of diastolic augmentation
      
Grain yield of Sorghum bicolor (L.) Moench is significantly influenced by genetically controlled variation in the number of tillers, plant height, time of anthesis, and various other morphological and physiological characters.
      
Controlled variation of microtubule number in neuronal processes during remodelling in vivo
      
We found that carotenoid pigments largely controlled variation in red elytra coloration.
      
更多          


It is possible in some industrial process, to select two or more manipulatedvariables to control one controlled variable. Among them, a chosen manipulatedvariabls, say u_1, may give good dynamic performance but poor steady characteris-tics, e. g., higher consumption of raw material and energy. On the other hand,when the second manipulated variable, u_2,is taken, it would show good steadycharacteristics, but poor dynamic responses. A control scheme is thus designed andpresented here trying to overcome the foregoing...

It is possible in some industrial process, to select two or more manipulatedvariables to control one controlled variable. Among them, a chosen manipulatedvariabls, say u_1, may give good dynamic performance but poor steady characteris-tics, e. g., higher consumption of raw material and energy. On the other hand,when the second manipulated variable, u_2,is taken, it would show good steadycharacteristics, but poor dynamic responses. A control scheme is thus designed andpresented here trying to overcome the foregoing difficulties. The given system has been analyzed on theoretical basis, The response of thegiven multivariable system and that of single loop systems, using u_1 and u_2 separ-ately, are digitally simulated. Comparison between the data based on 90 sets ofprocess parameters and 42 sets of controlling parameters are made. Simulationresults show that the given multivariable system would give good stability, fastresponse, good performance and lower consumption of raw materials and energy aspreviously mentioned. Experiments run with a laboratory furnace also verify the above results.

在生产过程中,存在一类多变量系统,它有一个可由两个或两个以上的操纵变量控制的被控变量。其中,操纵变量u_1动态特性好、静态性能差,例如原料或能量消耗较多。操纵变量u_2动态特性差但静态性能好。本文给出了一种控制这类系统的方案。通过理论分析及对90组不同对象参数、42组调节器参数组合而成的多变量控制系统及两类单回路控制系统的数字仿真,本文认为,这类多变量控制系统具有稳定性好、响应快、调节品质高,及可降低能耗、节省原料等优点。最后,用实验验证了上述结论。

The coupling of controlled variables in a control system effects the stabilityand the behavior of the system.In this paper the temperature and the level controlsystem of the headbox of a paper mill is deseribed as an example,It illustrates the computer decoupling system design method and the notable points of a doublevariable system.

在过程控制中,被控变量之间的相互耦合,影响着过程控制系统的稳定性和质量。本文以造纸厂网前箱的温度和液面控制系统为例,说明两变量计算机控制解耦系统的设计方法和注意的问题。

The on-off PID controllers are usedmore frequently in the light and textile industries for controlling the temperatures of the eletro-heating processes recently. In this paper a method of digital simulation for the system consisted of the on-off controller and the process is put forward. If only the transfer function of the process, G_p (S), and the parameters of the controller are given the controiled variable of the process in the start-up of the system can be evaluated. Although the method in this paper is...

The on-off PID controllers are usedmore frequently in the light and textile industries for controlling the temperatures of the eletro-heating processes recently. In this paper a method of digital simulation for the system consisted of the on-off controller and the process is put forward. If only the transfer function of the process, G_p (S), and the parameters of the controller are given the controiled variable of the process in the start-up of the system can be evaluated. Although the method in this paper is simple and convenient the results of simulation is accurate. With minor modifications, this method can also be used to analyze other on-off control systems.

两位PID调节器在轻纺工业电加热温度控制中有着较为广泛的当用。本文提出了一种可用于两位PID调节器和广义对象所织成的系统的数字仿真方法。只要对象的传递函数G_P(S)和调节器的参数是已知的,对象的被控变量在系统起动过程的变化就可以计算出来。本文所提出的方法是简单易行的,但却有较高的计算精度。此外,稍经变化,本文方法也可用来分析其他的位式控制系统。

 
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