实际模型 meaning in English
realistic model
Examples
- How to design efficient algorithm for scheduling bursts is a key problem in obs networks . chapter 2 use queue theory to analyse the loss rate of scheduling algorithms . a modified analytical model is put forward to analyze algorithms with or without void - filling . the analytical and simulation results show that lauc - vf has the loss performance very close to the lower bound calculated by erlang b formula
第二章用排队理论分析插空和不插空调度算法的理论丢失性能,并针对obs突发丢失的实际情况提出了分析突发丢失的实际模型,并应用这模型对调度算法进行理论分析和仿真比较,结果表明爱尔兰b公式只是突发丢失的理论下限。 - Abstract : a semi - analytical method is used to modelling the pract ical 3 - zone simulated moving bed chromatography ( smbc ) process for optimal searc hing . the switch time which is the most important operation parameter of 3 - zone smbc is analyzed based on the nonlinear batch chromatography theory firstly , and then adjusted by the deviation between the output and the expectation . the switch time approaches the optimization very soon by continously searching on the basi s of the theory . the parameters of the practical system are inputted into simulat ion , the result is used in our experiment and a good separation is obtained
文摘:针对三带模拟移动床色谱的实际模型，用一种融合了前馈与反馈的半解析优化计算方法对三带模拟移动床色谱过程进行了模拟.首先，由非线性单柱色谱理论解析地给出一个三带模拟移动床色谱的主要操作参数即切换时间值，然后利用所得结果与目标量之间的偏差来校正切换时间，在理论指导下进行优化搜索，切换时间能很快达到最佳值.将测得的系统参数引入计算，并将计算结果用于实际操作，得到了很好的分离效果 - The model of the boiler has a non - linear model according to the experimental data got through the test of heat efficiency . two methods are provided in the paper , one is to modify the moving parameter pursuant to the model , the other is to get a factual model and its method through the accumulated moving data and drawing un the figures
此外对于汽轮机，为得到符合机组实际运行情况的模型，文中提出两种方法： 1 ）对根据工况图得到的模型进行运行参数修正； 2 ）根据实际运行数据，采用数值拟合的方法得到实际模型。 - The work of the adjustment mechanism is a project which is supported by the state committee of " 863 " . three design mechanisms are proposed , bearing and screw style , movable bearing style mechanism and assembly style mechanism . it is difficult for the precision of the mechanism made of movable bearing to meet the requirements of the design because the bearing must be made individually
空间太阳望远镜成像镜调焦机构的设计是在国家“ 863 ”高科技课题中展开的，本文有创建性的工作是根据设计要求提出了三种机构设计形式，包括直线轴承式、移动滚珠式和装配直线轴承式，比较了三种机构各自的优缺点，并根据其中的一种加工制作了实际模型。 - The object is identified by linear model and the neural network ’ s learning ability and nonlinear map ability for the control method . the method applies neural network ’ s learning ability and nonlinear map ability to the design of controller in order to obtain the precise control of output for the uncertain and nonlinear system . using the robust feedback controller to guarantee the course continuity and the system stability
针对以上问题，本文提出一种神经网络鲁棒控制方法，此控制方法采用线性模型与神经网络在线逼近非线性特性相结合共同辩识实际模型；利用神经网络的学习能力和非线性映射能力，解决控制器的在线设计问题，以达到对不确定非线性系统的高精度输出跟踪控制；利用鲁棒反馈控制器来保证控制过程的连续性和闭环系统的稳定性，消除外干扰对控制系统的影响。