数学模型

Based on the mathematical model of 4C asynchronism motor, a novel method for modeling and simulation of AC asynchronism motor control system were proposed.

在交流异步电动机数学模型的基础上，建立控制系统仿真模型，并设计实际的数字电机控制器。

So a new model for ATC calculation is proposed——smooth ATC model based on security and stability.

从而建立了计算ATC的新的数学模型——同时考虑安全性与稳定性的光滑化ATC模型。

In chapter 3, a MFA model was developed for concise MFA of Clostridium acetobutylicum by using metabolite balancing method.

第三章：应用稳态代谢平衡，建立了丙酮丁醇梭菌代谢流量分析的数学模型，并对该模型的准确性进行了验证。

In Chapter 2, a simplified analytical model is presented for the analysis of the BVI mechanism, adopting the Beddoes' prescribed wake model. By this model, the azimuthal location and miss-distance of the BVI and the radiation directivity of the BVI noise are calculated and discussed, and some conclusions are obtained.

在第二章，使用Beddoes预定尾迹模型，建立了一个用于旋翼桨-涡干扰特性机理分析的简化数学模型，分别对旋翼桨-涡干扰位置、桨-涡干扰距离和声辐射方向性等进行了计算和分析，得出了有意义的结果。

Bilinear system model of DC-DC converters is built, combined with the control objective and extending the system, closed-loop nonlinear control system model of DC-DC converters is found.

首先建立了DC-DC变换器双线性系统数学模型，结合控制目的进行适当变形，得到DC-DC变换器的闭环非线性控制系统模型。

Logistic single population model is important for studying the increasing laws of the biological population in limited space.

Logistic单种群模型是研究有限空间内生物种群增长规律的重要数学模型。

Reliability models are reliability block diagram and mathematics models that built to predict and evaluate reliability of products.

可靠性模型是指为预计或估算产品的可靠性所建立的可靠性框图和数学模型。

Combustion of pulverized coal is simulated step by step. The simulation result in the blowpipe is used as the input of the raceway calculation. The way of simulations for the blowpipe and raceway is considered more close to practice. By using this model it is possible to improve the simulation accuracy.

第五章根据高炉喷吹煤粉燃烧特点，提出了煤粉在直吹管和风口回旋区的煤粉运动、热解、燃烧的联合数学模型，用此模型可以计算出高炉直吹管和回旋区内煤粉温度场、速度场、氧浓度场和煤粉的燃烧率，从而可对喷吹效果在理论上作出评价。

On the basis of slip-diffusion model of multiphase flow, a three-dimensional mathematical model of gas-particle flow in blowpipe has been developed and debugged to calculate the gas-solid two phases flow, including gas velocity and particle velocity inside the blowpipe.

运用多相流的拟流体模型建立了高炉局部富氧喷煤直吹管内气粉两相流动的数学模型，对气粉两相流场进行了数值研究，探讨了气相和煤粉的速度分布规律及其影响因素，其中包括氧-煤喷枪的结构、漩流数和富氧率等。

At first the typical die and mould components and their standard processing technique,and the types of facilities were defined.Then the integer programming model of the facility planning was established and the branch and bound method was used to give a solution to the model cases.

定义了模具典型零件、设备类及模具典型零件标准工艺；建立了设备资源规划的整数规划数学模型；采用分枝—定界法对给定实例进行求解；计算结果证明了模型的有效性及实用性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。