查询词典 simulation

In this paper, a simulation study is made for both the vector-convertion model of a squirrel-cage induction motor and vector control system which takes the model as its control object. In the simulation model, many controllers are used and deeply studied, they are classical PID controller, simple fuzzy control, fuzzy controller with integration factor and fuzzy + PI dual mode controller. In the end of this thesis, fuzzy-neural controller application is stressed.

首先建立了交流电动机矢量控制的SIMULINK模型，通过大量的仿真实验分别对PID控制器、简单模糊控制器、带有积分因子的模糊控制器、以及模糊控制与PI控制结合的复合型控制器应用于矢量控制系统做了深入细致的研究和分析。

This thesis is based on the development of the director in the simulation supporting environment of the combat system on the underwater platform,the objective is to carry out the development of the director utilizing the STAGE simulation software.

本论文研究任务来源于保障条件水下平台作战系统仿真支撑环境导演台的研制，目的是通过对国外引进的STAGE软件进行研究，利用STAGE软件完成导演台的设计、开发。

In order to establish the laboratory simulation system of CNS, the stars in the scope of space-craft must be confirmed first,then the following work such as star chart simulation,star chart processing and so on could be done accordingly.

航天器高动态星光定位实验室仿真的前提是确定视场内的恒星，以便进行后续的星图模拟、星图处理和定位解算。

After standardizing transform of fluctuant component series of size curves of cocoon filaments, the simulation method of the series is brought forward by means of auto-regressive model of stationary time series. The simulation and analysis are carried out.

茧丝纤度曲线波动分量通过标准化变换处理后，近似看作平稳时间序列，利用平稳时间序列的自回归模型，给出了这种时间序列的模拟方法。

This method allows to increase considerably the accuracy of digital simulation of converters and thus increase the step length of simulation.

使用该方法可以显著地提高换流器数字仿真的计算精度，从而可以加大仿真计算步长。

Multi-Axis interpolation NC program simulation system was constructed by compiling virtual machine,virtual machine controller,virtual stock,virtual tool,virtual coordinate and virtual clips.Contrasting experiments between virtual and real cutting process were carried out and Muti-axis interpolation cutting simulation based on NC code was achieved.

通过建立虚拟机床、虚拟机床控制器、虚拟毛坯、虚拟刀具、坐标系以及虚拟夹具等，建立了多轴数控程序仿真环境，实现了基于NC代码的多轴联动切削过程的几何仿真，并通过切削对比试验验证了该仿真系统的可行性。

In order to meet the market for a variety of Chinese character processing needs, drawing the profile of font,in the Windows system, the edge recognition technology was researched. The pixels marginal detection from eight directions was introduced, BMP graphics was presented based on the eightmegapixel point the direction of the edge detection algorithm. The information of key data points was extracted.The XY motion simulation platform based on the straightline interpolation through point by point comparison was developed, the simulation of font path and engraving process was achieved.

为了满足市场上对各种汉字加工的需要，在Windows系统下，通过对汉字边缘识别技术的研究分析，提出了基于BMP图形像素点的八方向边缘检测算法，成功地识别和提取了不同参数的字体外形轮廓信息，并采用逐点比较直线插补算法，提取了关键数据点的信息，最后开发了XY运动仿真平台控制软件，实现了字体运动轨迹的仿真及实际雕刻加工。

Finally, the stress-strain curve of simulation and practical measure were compared, the results showed that analysis of simulation was in good agreement with the practical measure.

模拟分析得到的应力-应变曲线与实测应力-应变曲线对比结果表明：模拟分析结果与实测结果吻合得很好。

The striking distance factor of typical objective obtained by the simulation experiment is in agreement with field experience, which proves the simulation technique is creditable.

将采用该模拟试验技术得到的典型目的物的击距系数与运行经验进行了比较，证明该模拟试验方法是可信的。

Simulation results of initial hole included the relationship of punch load and punch stroke, the hole profile, the distribution of stress and strain, the forming limit diagram, and the variation of the workpiece thickness. The simulation results showed good agreement with the experiments in the bore-expanding process.

由初始孔径4mm之料片於扩孔成形之数值模拟与实验结果比较得知，冲头负荷与冲程关系、内孔轮廓大小、应力与应变分布、成形极限图与工件厚度分布等，皆显示实验与数值模拟间的一致性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。