fccu造句

• Preventing a distillation tower of fccu from salt gathering
  防止催化裂化分馏塔结盐研究
• The modification for the mechanical seal system of circulating hot water pump on fccu
  型强制循环泵轴封结构的改造
• An integrated absorption / desorption unit with single tower in fccu is proposed
  提出一种新的催化裂化吸收-解吸单塔流程。
• Abstract : an integrated absorption / desorption unit with single tower in fccu is proposed
  文摘:提出一种新的催化裂化吸收-解吸单塔流程。
• Technical specification for construction of fccu axial flow compressor-flue gas turbine trains
  催化裂化装置轴流压缩机-烟气轮机机组施工技术规程
• Furthermore, the online self-learning problem of soft sensor model was also discussed . finally, the built model was used in an industrial fccu
  在此基础上，将该混合模型应用于实际工业催化裂化装置主分馏塔轻柴油凝固点的在线估计问题。
• The data from the engine and fccu simulator are processed and modeled using a cointegration testing method, and, propose the sub-cointegration model to diagnosis the systems ’ fault
  针对故障诊断问题,作者提出了降阶诊断协整模型法,并使用该方法进一步确定了破坏发动机及fccu系统长期均衡关系的源头。
• The predictive precision of the model is satisfying, and it can meet the actual demand of the fccu . application results show that the hybrid fnn can be widely used as a basic model of soft-sensors
  应用结果说明：该模型具有理想的预测精度，满足实际应用的要求，相信在软测量技术中具有广阔的应用前景。
• This feature provides a possibility for researchers in engineering sectors to apply cointegration method to condition monitoring and fault diagnosis of engineering systems . to verify this possibility, an example based on a vehicle engine and fccu simulation system was discussed in details
  进一步,作者模拟了发动机输出轴扭矩传感器故障以及fccu系统的若干故障,在故障状态下,发现发动机及fccu系统的各检测变量之间的协整关系已被破坏。
• To verify the effectiveness of the proposed hybrid fnn, this thesis addressed the estimation problem for the frozen point of light cyclic oil in a fluidized catalytic cracking unit ( fccu ) in a refinery . based on the sample data collected from the industrial unit, we built a soft sensor model by using an above hybrid fnn
  最后，针对某炼油厂催化裂化装置主分馏塔轻柴油凝固点的软测量估计问题，本文基于工业现场所采集的样本数据，建立了混合结构神经网络模型，并讨论该模型的在线自学习问题，同时与多层前向bp网络、径向基函数rbf网络模型进行了比较。
• Abstract : large time delay exists in complicated practical processes . for example, in fccu ( fluidized catalytic cracker unit ) reactor-regenerator, the feed is preheated through heat exchanging from fractional column slurry, thus results in large time delay . a predictive control system is designed for such processes, where the kernal algorithm is dynamic matrix control . application results show that the control behavior is improved than original pid control
  文摘:实际的复杂工业过程，往往具有大的时滞，例如：炼油厂催化裂化装置的反应再生系统，其原料油预热通过油浆换热实现，因此时滞特别大.本文针对这一类大的时滞过程，设计了以动态矩阵控制为核心算法的预测控制系统，运行实践表明：这一控制方案比原pid控制在控制质量上有较大提高