搜索结果: 106-120 共查到“知识库 化工过程控制与模拟”相关记录180条 . 查询时间(7.183 秒)
基于变长度移动窗口和HMM的工业过程故障在线诊断
隐马尔可夫模型 生产过程 在线诊断 人工神经网络
2009/3/9
An integrated framework is presented to represent and classify process data for on-line identifying abnormal operating conditions. It is based on pattern recognition principles and consists of a featu...
基于递归神经网络的多变量非线性PID解耦控制
非线性PID 递归神经网络 解耦控制 多变量
2009/3/9
A nonlinear proportional-integral-derivative (PID) controller is constructed based on recurrent neural networks. In the control process of nonlinear multivariable systems, several nonlinear
基于定量反馈理论的多变量解耦预测控制及其在CSTR化学过程中的应用
quantitative feedback theory generalized predictive control decouple
2009/3/9
A novel method of incorporating generalized predictive control (GPC) algorithms based on quantitative feedback theory (QFT) principles is proposed for solving the feedback control problem of the highl...
基于多尺度分析与主元分析的聚丙烯熔融指数神经元软测量预报模型
多尺度分析 主元分析 聚丙烯
2009/3/9
Prediction of melt index （MI）, the most important parameter in determining the product＇s grade and quality control of polypropylene produced in practical industrial processes, is studied. A novel soft...
基于多核支持向量机的非线性模型预测控制
nonlinear model predictive control support vector machine with multi-kernel nonlinear system identification
2009/3/9
Multi-kernel-based support vector machine (SVM) model structure of nonlinear systems and its specific identification method is proposed, which is composed of a SVM with linear kernel function followed...
基于二阶矩封闭湍流模型的非预混湍流火焰的数值模拟
模拟技术 甲烷 氢气 燃烧过程
2009/3/9
Turbulent nonpremixed CH4/H2 flame has been simulated using several typical differential secondmoment turbulence closure (SMTC) models. To clarify the applicability of the various models, the LRR-IP ...
A three-dimensional Eulerian multiphase model, with closure law according to the kinetic theory of granular flow, was used to study the gas/solid flow behaviors in spout-fluid beds. The influences of...
A mathematical model is developed for an industrial acrylonitrile fluidized-bed reactor based on arti-ficial neural networks. A new algorithm, which combines the characteristics of both genetic algo...
搅拌釡中层流流场的模拟
数值模拟技术 层流 涡轮 搅拌机
2009/3/6
Stirred tanks are used extensively in process industry and one of the most commonly used impellers in stirred tanks is the R.ushton disk turbine. Surprisingly few data are available regarding flow and...
With the development of reaction kinetics and transfer science, the modeling of NOx formation plays more and more important roles in the protection of environment and the design of combustion reactor...
The general mathematical model for batch cooling crystallization was established based on the popula tion balance equation considering the change of slurry volume, and simulated with crystallization...
进口甲烷再燃烧对煤粉燃烧以及NOx生成影响的数值模拟
煤 燃烧方法 数值模拟 NOx
2009/3/6
A full two-fluid model of reacting gas-particle flows and coal combustion is used to simulate coal combustion with and without inlet natural gas added in the inlet.
The liquid flow on a single-pass sieve distillation tray is simulated with a three- dimensional computational fluid dynamics (CFD) program with the K-ε turbulence model. In the model, a source term S...
聚碳酸酯连续熔融酯交换过程的反应闪蒸模拟
continuous melt transesterification polycarbonate simulation continuous stirred tank reactor
2009/3/6
A model of the continuous melt transesterification process of bisphenol-A and diphenyl carbonate in a continuous stirred tank reactor to produce polycarbonate is presented. The model is developed by u...
A random walk Monte Carlo （RWMC） simulation model of catalytic particle was established on the basis of the structures of bismuth molybdate catalysts and mechanisms of catalytic reactions with propyle...