The function realization of simulating worksite of papermaking process;
抄纸过程模拟现场的功能实现
An effective papermaking process DCS system is presented in this paper, which consists of three subsystem:pulp consistency control, aircushioned headbox cascade control and paper basis weight & moisture control In paper moisture control subsystem, soft sensor is used to estimate paper moisture on line This control system has been in operation and resulted in great profi
采用软测量方法实现了纸张水分的在线估计 ,设计了一套由浓度控制、气垫式流浆箱控制、定量水分控制三个子系统组成的经济实用的抄纸过程 DCS控制系统 。
According to the actual properties of the papermaking process,dynamic performance of the system was analyzed and studied.
结合抄纸过程的实际特性,对系统进行了动态性能分析和研究,还设计了一种并行控制结构,把具有相同结构的两个免疫单神经元PID控制器并联来分别控制两个非线性回路,对抄纸过程实现了解耦。
In order to solve the problem of low precision and poor reliability of sensors used in papermaking process control, considered the redundancy relations of sensors,we give a new method which can realize the fault detection of sensors, and fault-tolerant control for basis weight control of papermaking process.
本文针对造纸过程控制中所使用的定量传感器精度较低和可靠性较差的问题,提出了利用多传感器间的冗余关系,实现对传感器的故障诊断和造纸过程定量环节的容错控制,仿真和实验均证实了该方法的有效性。
The cross-direction(CD)basis weight profile is a very important quality index of paper in papermaking process.
在造纸过程中,纸张定量的横向分布控制是一个复杂的工业控制系统,至今尚无满意的数学模型,用传统的控制方法难以得到好的控制效果,本文给出了定量横向分布的动态模型,采用多变量动态矩阵控制算法(DMC)对其进行控制,并与PID控制的效果进行了比较。
In this paper, a neural network controller is designed for ash content control of papermaking process,Neural networks are trained by using the output error of the controlled plant directly.
对于非线性,大时延、变参数的造纸过程灰份含量的控制,本文给出了一种神经网络控制方法。
Aiming at the problems existed at present in the quality control system (QCS) of paper-making process introduced from abroad, some profound researches on the QCS made by Measurex corporation of USA are done and its basic principles and detailed compensations to the on-line measurement of paper basis weight and moisture are analyzed.
针对国内早期从国外引进的抄纸过程质量控制系统(QCS)所存在的问题,对美国原Measurex公司生产的QCS进行了深入研究,分析了其进行纸张定量及水分在线检测的基本原理和详细补偿措施,给出了适合于Measurex公司定量及水分传感器的具体变送算法,并对算法进行了详尽的仿真分析。
Because of uncertainty coupling of several control variables during the paper-making process,the accurate maths model of finished paper s moisture is difficult to set up.
抄纸过程中由于存在多个控制变量间的不确定性耦合而难以建立成品纸水分的准确数学模型,为此需要利用模糊控制器来控制进入烘缸蒸汽的流量从而实现成品纸的水分控制。
The paper proposes a new design solution of software in pulp and paper process simulation based on J2EE to solve the problems that the traditional simulation software was difficultly used, upgraded and maintained.
针对浆纸过程计算机模拟软件的使用、升级和维护困难等问题 ,本文提出基于J2EE体系结构的解决方案的Inernet交互式的浆纸过程计算机模拟软件的设计方案。
PID controller of BP nerve network in the copy paper process;
抄纸过程的BP神经网络PID控制
A Simulation Study on Papermaking Process Based on Wavelet Neural Network
基于小波神经网络的抄纸过程建模仿真研究
Simulation of Auto-Disturbance Rejection Control of Quantification and Moisture in Paper Process
抄纸过程水分定量自抗扰控制仿真研究
Drainage and Retention and Strengthening Effects of Enzymes in Papermaking
酶在纸浆抄造过程中的助滤助留和增强作用
Wed-end chemicals can help improve papermaking process and paper sheet quality.
在抄纸生产中使用湿部化学品可以改善生产过程以及产品质量。
Study on the Removal of Dissolved and Colloidal Substances from Deinked Pulp with Nanosized TiO_2
纳米TiO_2—两性淀粉对脱墨浆新闻纸抄造过程中DCS去除的研究
Cultural Survey of the Writing Process of Wamyoruijusho;
《和名类聚抄》成书过程的文化概观
He copied a passage down from the newspaper.
他从报纸上抄下一段。
Process Management and Enforcement of the Automatic Meter Reading System
集中抄表采控系统应用过程管理与实施
Paper-feeding Course Analysis and System Design of Automatic Paper-feeding Mechanism
自动送纸机送纸过程分析与系统设计
Mould-made paper: (1) Paper made by hand in a mould. (2) Paper made on a cylinder machine.
模造纸:(1)用纸模手工抄造的纸。(2)用圆网造纸机所造的纸。
the act of drawing a plan or diagram or outline.
指透过覆在原件上的透明纸按照看得见的线条或文理描摹(如图画、版画、手抄本)。
Brief the exploitation and principle of the high tension transcribe cost counting system of Shangcheng County.
简单介绍了商城县高压电抄表计费系统的开发过程及原理。
Studies of Two Types of Retention and Drainage Aid Systems for Recycled Fibers;
用于二次纤维抄造过程的两种助留助滤体系的研究
New Probes into the Way to Reinforce Hydrogen Peroxide Bleaching of Pulp;
纸浆过氧化氢漂白过程强化途径新探
Sticky Contaminants in the Papermaking Process of Newspaper Mill and Their Chemical Control;
新闻纸厂造纸过程中的粘性杂质及其化学控制
Effects of Fiber Charges on Papermaking Process and Paper Properties
纤维电荷对制浆造纸过程及纸张性能的影响
The Relevant Research on Defoamer and Paper Making System
白卡纸专用消泡剂与抄纸系统的关联性研究
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