搜索结果: 31-45 共查到“化工系统工程 优化”相关记录61条 . 查询时间(1.559 秒)
一种提高微生物发酵单位的新优化控制策略
优化控制 发酵 微生物
2009/6/5
为了提高微生物发酵单位，提出了支持向量机（SVM）与基于实数编码遗传算法（RGA）相互耦联的优化控制策略。为解决发酵参数之间的耦合问题，进一步引入了模式的概念。SVM建立微生物发酵过程的预估模型，RGA以此模型为适应度函数计算最优控制模式。此策略应用于青霉素发酵过程的优化控制，效价比没有实施优化控制策略的生产结果提高了22.88％。
氨合成反应器的模拟计算和设计优化
合成氨 反应器 模拟计算
2009/3/19
One-dimensional pseudo-homogeneous model of an axial flow converter and one-dimensional heteroge-neous model of a horizontal converter have been presented, which describe the distribution of gaseous c...
By avoiding or reducing the production of waste, waste minimization is an effective approach to solve the pollution problem in chemical industry. Process integration supported by multi-objective opt...
A new 18-lump kinetic model for naphtha catalytic reforming reactions is discussed. By developing this model as a user module, a whole industrial continuous catalytic reforming process is simulated on...
A model of grade transition is presented for a commercialized fluidized bed gas-phase polyethyleneproduction process. The quantity of off-specification product and the time of grade transition can be ...
过程工业中具有能量集成的用水网络优化设计
工业过程 最佳化设计工艺 水 能源
2009/3/10
Effective utilization of water and energy is the key factor of sustainable development in process industries, and also an important science and technology problem to be solved in systems engineering...
基于微粒群优化算法的不确定性调和调度
微粒群算法 不确定性 约束优化问题
2009/3/10
Blending is an important unit operation in process industry. Blending scheduling is nonlinear optimization problem with constraints. It is difficult to obtain optimum solution by other general optimiz...
Multi-objective optimization of a purified terephthalic acid (PTA) oxidation unit is carried out in this paper by using a process model that has been proved to describe industrial process quite well. ...
化工过程分离循环系统的多目标模糊优化研究
模糊控制 化学过程 分离回收系统 过程分析
2009/3/10
Separation-recycle system is an important part in chemical process, and its optimization is a multiobjective problem. In this paper the process optimization procedure is proposed. The fuzzy optimiza...
With the unique ergodicity, irregularity, and special ability to avoid being trapped in local optima, chaos optimization has been a novel global optimization technique and has attracted considerable...
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...
A new superstructure form of heat exchanger networks (HEN) is proposed based on expert system (ES).The new superstructure form is combined with the practical engineering. The different investment co...
基于一类组织P系统的模拟移动床的多目标优化
simulated moving bed tissue P systems multiobjective optimization Pareto optimality
2009/3/9
The binaphthol enantiomers separation process using simulation moving bed technology is simulated with the true moving bed approach (TMB). In order to systematically optimize the process with multiple...
解析导数及稀疏矩阵技术在大规模过程优化命题中的应用
large-scale optimization open-equation sequential quadratic programming
2009/3/6
The performance of analytical derivative and sparse matrix techniques applied to a traditional dense sequential quadratic programming (SQP) is studied, and the strategy utilizing those techniques is a...
In this paper, a new approach using artificial neural network and genetic algorithm for the optimizationof the thermally coupled distillation is presented. Mathematical model can be constructed with...