process control loop

网络过程控制环

双语例句

Now the process variable is equal to the setpoint, and the control loop should "sit still"& that is, produce no output change. 现在程序变量相当于定点，并且控制环静止不动，换句话说，没有产生输出变化。

For each drug process under computer control determine the general system loop ( sensors, central processor, activator). 明确计算机控制下的每个制药工艺的常规系统回路（传感器、中央处理器、活化器）。

Based on years of experience, several noteworthy problems in the design process of low-voltage motor control loop are summed up. 根据多年的设计实践经验，总结出在低压电动机控制回路的设计中应注意的几个问题。

This paper set up the hybrid control optimal model of the laminar cooling process of hot rolled slab based on the distributed control system ( DCS), then realized the closed loop control in the supervisory control level. 针对中厚钢板加速冷却工艺过程，建立了基于集散控制系统的混合式优化控制模型，实现了整个过程闭环优化控制。

Synchronously the process to design the servo control system with three closed loop is described at length in the article, and the simulated result is provided in this paper. 同时在文中阐述了三闭环位置伺服控制系统的设计过程，给出了计算机的仿真结果。

The changing process of the AGC loop output signal and gain control signal was showed dynamically by the mathematical model. The AGC loop settling time was also analyzed quantificationally and qualitatively. 用数学模型动态表示出AGC环路输出信号和增益控制信号的变化过程，定量定性分析了AGC环路的稳定时间。

A Form of Outer Characteristic Curve M_e-n_e of Engine The protection of the solo phase SCR connection and the welding process as well as the control of the outer characteristic of the machine were realized by the voltage and current close loop feedback. 发动机扭矩与转速关系经验公式试验研究而焊接过程的保护、晶闸管单管导通保护、焊机外特性的控制等是通过电流和电压反馈的方式完成。

This paper analyses the reason for weft loop by means of process investigation to find an effective way to control weft loop and improve the fabric quality. 本文通过对纬缩疵点产生原因的分析，采用工艺研究的方法，探索出一条控制纬缩疵点、提高成品实物质量的有效途径。

The application of APACS in adsorbent chamber control system is introduced. Hardware configuration and automatic process variable switching ( APS) function and zone transition control algorithm of pump cycle loop are described. 介绍了APACS在吸附塔控制系统中的应用情况，重点介绍了其硬件配置和泵送循环回路的自动PV切换功能及ATC的算法。

The relationship among the process characteristics, the state variables of the melt in cavity, and the part quality indexes was investigated. A controlling model was formulated through series connection of quality control loop and process control loop. 基于注塑数值模拟技术，研究注塑工艺特性、熔体在模腔中的状态及制品质量特性之间的关系，建立了制品质量控制环和工艺控制环串联的制品质量闭环控制理论。

In the process of constructing fault tree, this method also presents how components failure model is constructed, how child fault trees are connected, how control loop template is formed as well as the flow chart of the fault tree synthesis. 该方法给出了元件故障模式的建立、子故障树间的关联方法、控制回路模板的建立方法，以及故障树自动生成算法的流程图。

The intelligent optimizing process control layer includes an intelligent optimal setting system and a loop control system. Technical indexes are predicted by the soft-sensors, and the basic loop setpoints are optimized by the optimal setting models based on the prediction. 智能优化过程控制系统由智能优化设定和底层控制回路两级组成，通过软测量模型对磨矿粒度等工艺指标进行预报，通过回路设定模型给出底层回路控制的优化设定值。

The batch reactor is high nonlinear process, includes all difficulties of batch process, involves the sequence control, logic control, loop control, etc. 而间歇化学反应器是高度非线性对象，包括了所有批量过程控制的难点，涵盖了顺序控制、逻辑控制、回路控制的所有控制概念。

The fuel gas desulfurization process in the power plant is described, the main configuration and functions of μ TDC-3000 discrete control system are introduced as well as the major closed loop control system. 简述了电厂烟气脱硫过程，介绍了μTDC-3000集散控制系统的主要组成及功能，主要闭环控制系统。

Circuit process controller is an intelligent instrument witch divergence in distributed control system can reach one loop, with the property of high reliability, rich function and well flexibility. 回路过程控制器是分布控制系统中散度可达到一个回路的智能化仪表。具有可靠性高，功能强，灵活性好等特点。

Process control is under the influence of all parts of loop, but the most direct and apparent part is the final element i. e. control valve. 过程控制中的各个环节对控制都有影响，而最终环节即调节阀对过程控制的影响最为直接和明显。

The temperature control process and program controlled curve for high temperature reacting furnace of coke were described in the paper, the methods of realizing the control structure, main loop of program controlled curve and of realizing multiple PI parameter control were given. 介绍了焦炭高温反应炉的温控工艺及程控曲线，给出了程控曲线的控制结构、主回路以及实现多套PI参数控制的方法。

The paper discusses the basic principle of automatic loop control for the rolling process of the high speed wire preview finish rolling mill and addresses itself to the engendering, the analysis and the control method loop fluctuating. 本文以高速线材预精轧机轧制为研究对象，介绍了活套控制的基本原理以及活套波动的形成和活套的控制方法。

To realize the parameterized module, we build template analysis process at first, then arrange corresponding log document, introduce parameterized variable, and apply program flow control command of APDL such as judgement statement and loop statement. 先建立模板分析过程，然后整理对应的log文件，引入参数化变量，运用APDL的判断和循环等流程控制命令，实现电梯分析系统的参数化模块。

The main focus in this paper is put on the core functions of this quality package, which includes the physical process model based on cost functions and neural, combined with advanced gauge, tension and flatness control working in a close loop manner under all operating conditions. 重点介绍质量包的核心功能块，包括以成本函数和神经网络为基础的物理工艺模型，以及适用于所有操作条件、以闭环方式工作的先进的厚度、张力和平直度控制技术。

Advanced process control and closed loop real time optimization 高级过程控制和闭环实时优化

Particle size is a key technical index in ore grinding-classification process, which is so difficult to control effectively with conventional loop control strategies. An intelligent control setting approach based on CBR for the grinding-classification system is proposed by combining intelligent method with conventional loop control. 针对磨矿分级过程的关键工艺指标磨矿粒度难以用常规控制方法进行有效控制的难题，将智能设定方法与常规控制相结合，提出了基于案例推理的磨矿分级系统智能设定控制方法。

In the starting process, use speed and current dual-loop PI control regulation, give the initial values to speed loop integral term and set the appropriate parameters PI, to achieve the best starting performance by controlling the starting current. 在起动过程中，采用转速环和电流环双闭环PI调节的控制方式，对转速环积分项赋初值并且设定合适的PI参数，通过控制起动电流，来实现最佳的起动性能。

Based on this conclusion and the result of multiscale factor analysis, the process control system is divided into three independent control loop: the hot-end temperature control loop, the calcination control loop and the feed-rate control loop. 综合多尺度因子分析和煅烧控制模型的结论，把回转窑过程控制系统划分为三个独立回路：窑头温度控制子系统、煅烧控制子系统和进料量控制子系统。

On the subject of high requirement of synchronization and velocity control in ring gate elevating process, a new control mode of double closed loop such as synchronization closed loop and velocity closed loop is formulated. 基于筒阀在启闭过程中对同步精度和速度控制要求高的特点，提出双闭环（同步闭环和速度闭环）控制方式。

The process control level including logical control and loop control is used to realize control function of production process, which has the function of logic chain, temperature automatic control of calciner and humidification tower exit. 过程控制层完成生产过程的控制功能，包括逻辑控制和回路控制。具有逻辑联锁功能、分解炉温度自动控制功能、增湿塔出口温度自动控制功能等。

In order to avoid iterative numerical integration process in a real-time substructure test, equivalent force control method ( EFCM) replaces the mathematical iteration with a force-feedback control loop which has explicit input and controlled plant to solve the nonlinear equations. 为了避免实时子结构试验中数值积分的迭代过程，等效力控制方法将求解隐式微分方程的问题转化为具有明确输入和被控对象的信号跟踪反馈控制问题。

The process loop mainly includes the feed-in aluminum clinker control loop, the red mud adjusting fluid flow control loop and the carbon adjusting fluid flow control loop. 过程回路控制包括熟料下料量控制回路、赤泥洗液流量控制回路和碳分母液流量控制回路。

The grade of instrument is not combined with the process automation to participate in automatic control at present. With the continuous development of mine automation and slurry grade equipment upgrade, the application of slurry grade instrument is carried out in dressing plant for closed loop control. 目前品位仪还没有与选矿自动化相结合，参与自动控制，随着矿山自动化的不断发展和矿浆品位仪的不断完善升级，品位仪参与选矿厂闭环控制这个目标一定可以实现。