查询词典 simulation

After work out the parameters of the dynamic model, the simulation model of the system has been set up in similink system. Run the simulation model and gain the corresponding results. Some characteristics of the permanent thulium gear transmission system have been studied by analyzing the simulation results.

计算出动力学模型中的相关参数后，在similink环境中建立了系统仿真模型并得出相应的仿真结果，通过分析比较仿真结果，了解永磁齿轮传动系统的部分动态特性。

"ERP Integrated Training Enterprise Information sand table" based on "ERP sandbox simulation" course simulation business, to simulate a company's business activities, the experimental data, accounting and business management in accordance with the basic requirements of design information-based solutions, in line with "ERP sand table simulation" course in contrast to the manual mode of operation, so that students deal with personal feelings manual and computer processing set up between the posts, business processes, work efficiency differences, a deep understanding of the necessity and advantages of information technology.

ERP沙盘企业信息化综合实训》基于《ERP沙盘模拟》课程中的模拟企业，以模拟企业的业务活动为实验资料，按照会计核算与企业管理的基本要求，设计信息化解决方案，以与《ERP沙盘模拟》课程的手工操作方式形成对比，使学生切身感受手工处理和计算机处理之间在岗位设置、业务流程、工作效率等方面的差异，深刻理解信息化的必要性及优越性。

In this paper, a thermal simulation model of a LED driver was established. The thermal field and thermal stress analysis of the driver was done by using the software EFD Pro 8.2, and the temperature rise from various parts and the temperature field distribution of the PCB were obtained. By analyzing the reasons leading to overheating and unideal heat distribution, corresponding thermal simulation using an improved model was carried out. Finally, the comparison and analysis of experimental measurement results and simulation results were given.

本文基于计算流体力学中的有限体积法，建立了该变换器的热仿真模型，利用EFD Pro 8.2软件，对驱动电源内部进行了热场及热应力分析，得到了各部分的温升情况和整个电源温度场的分布情况，分析导致PCB局部过热的原因，然后针对热仿真得出的不理想的热分布情况提出了改进的方法，进行了模型改进，对PCB板上的各部分进行合理的重新布局，并再次进行了热仿真，最终得到了较为理想的结果，最后给出了实验测量结果与仿真结果的对比及分析。

The characteristic of the DIS is "distributed" and "interactive", and make the joint of simulation code which is in different place to constitute a uniform and unisonous simulation environment is the essence of the Distributed Combat Simulation.

基于DIS的分布式作战模拟系统的特征在于"分布"和"交互"，本质是把分布在不同地理位置上的仿真结点连接起来，构成统一的、协调的综合仿真环境，允许人的参与和行为表现。

The simulation of the vector control system for rotor flux orientation is studied in this paper. The modeling and simulation of the vector control system of speed and flux closed-loop with the torque inside loop are completed by applying electrical principles and the toolbox of Simulink and Power System in the Matlab software. The paper mainly introduces the modeling of the speed adjustment system and the setting of parameters of the controller. The obtained results of the simulation are close to actual situation, which proves the correctness of the modeling.

文章对按转子磁链定向的矢量调速系统进行了计算机仿真研究，运用Matlab的Simulink和Power System工具箱及面向系统电气原理结构图的仿真方法，实现了带转矩内环的转速、磁链闭环矢量控制系统的建模与仿真；重点介绍了调速系统的建模和调节器参数的设置，给出了矢量交流调速系统的仿真模型和仿真结果，仿真结果非常接近实际情况，说明了仿真模型的正确性。

Thirdly, the thesis has conducted the simulation research of the three-phase voltage-type PWM rectifier system, has established the simulation models of the main circuit, the space voltage vector PWM control module and PI regulator, and has carried on the simulation for the three-phase voltage PWM rectifier system.

其次，介绍三相电压型PWM整流器的控制方法，深入研究三相电压型PWM整流器的空间电压矢量脉宽调制控制方法，进行三相电压型PWM整流器的PI控制调节器的设计。

The main contents of this paper is used in college to learn the theory of the mechanics, control theory, mechanical design and computer programming technology, and mechanical theory to simulation, including through the establishment of two parts, kinematics and dynamics of the theoretical models (including Straight leg with the knee model and the model), the use of simulation software to achieve the whole process of Walkabout sports simulation, and to study the mass center position, slope angle and other parameters of walking gait characteristics of the device, and to find the law of passive walking, in order to further less energy-consuming research to lay the foundation of the robot.

本文的主要内容就是运用在大学期间所学到的理论力学、控制理论、机械设计以及计算机编程技术，进行理论推导和力学仿真，通过建立包括运动学和动力学两部分的理论模型的（包括直腿模型和带膝关节模型），利用仿真软件实现行走器整个过程的运动仿真，并研究质心位置、斜面倾角等参数对行走器步态特征的影响，从而找出被动行走的规律，为进一步研究耗能少的机器人奠定基础。这一段翻译成英文拜托别用在线翻译那种很多都是错的

The physical model and simulation mathematical model for high-frequency floating new structure caseless and common structure auto-rifle are established separately in this dissertation when they are in conditions with or without restrain, the simulation model sets are constructed and some simulation models are tested by the comparison with theoretical value to test value.

本文分别建立了无约束和有约束条件下高频浮动新结构无壳弹枪和常规结构自动步枪的物理模型和仿真数学模型，它们构成了&仿真模型集&，通过理论值和实验值的比较，对部分仿真模型进行了验证。

In building the simulation models for manufacturing missions, based on the combination with the multi-agent method and the GOOPN method, the compoundable method is presented, which makes the models more intelligent. Based on the result above, combined with the GOOPN models and the GERTS model, we put forward EPN-GERTS model through embedding Petri net into GERTS model, which can simplify the complexity in building models, and also improve the defects of GERTS model in describing resource conflicts and Petri net model in building models. In building the simulation models for development missions, the improved GERTS model is present to describe the development processes in QRMS. Through dynamically computing the redo times in GERTS, the improved model can reflect the operation character of development process. The simulation results are more precise when we use the models above.

针对构建快速研制系统的仿真对象问题，提出了基于多Agent的快速研制系统可靠性复合仿真建模方法，增强了仿真模型的智能性；在此基础上，针对制造任务，将Petri网嵌入到GERTS网中，提出了用于快速研制系统制造任务可靠性仿真的EPN-GERTS模型，简化了建模过程，同时也能考虑任务之间的资源冲突；针对研制任务，提出了用于快速研制系统研制任务可靠性仿真的改进GERTS模型，该模型可以描述设计迭代过程的动态运行特点，使仿真结果更加准确。

In this paper, taking one 1900t/h supercritical pressure once—through boiler installed in East boiler company as subject investigated, analyzing the structure and characteristic of unit, from the mechanism of units, based on the law of quality conservation, energy conservation and momentum conservation, having Lagrange fluid particle tracing idea in hydrodynamics field application in analyzing of unit operational characteristic, author build up the nonlinear distributed parameter general dynamic mathematical model of single-phase heating surface or diphase heating surface in the steam-water system for supercritical pressure once—through boiler, which is suitable numerical calculation and simulation for large scale disturbance and full working conditions change, and enough materializing distributed characteristic of thermodynamic parameter in process and time lag characteristic of energy transportation in tache. The transient responses curve of the system main variables under several disturbance are computed by Computer Simulation for the model, and theoretical analysis shows that the simulation results are reasonable.

本文以东方锅炉集团公司的一台1900 t /h超临界压力直流锅炉为研究对象，在分析机组结构和特性的基础上，从机组的工作机理出发，以质量、能量、动量守恒定律为依据，将流体力学领域中的Lagrange流体质点追踪思想用于机组运行特性的分析上，建立了适用于超临界压力直流锅炉汽水系统单相、双相受热面的非线性分布参数通用动态数学模型，该模型适合于大扰动全工况变化的数值仿真计算，充分体现了过程热力参数的分布特性和环节中能量输送过程的时滞特性，并对模型通过计算机仿真得出各种扰动下系统主要变量的响应曲线，从理论上分析了仿真结果的合理性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。