查询词典 static model

Chain-grate bed temperature field is a large inertial, nonlinear and time delays controlled system.Its math model is not easy to figure out.Three Fuzzy-PID controllers are presented in this paper based on the dynamic character of fuzzy control and the static character of PID control.They are simulated via combining fuzzy logic toolbox with Simulink.The simulation result shows that they have better characters both in dynamic and static than general PID controller.At the same time, they have better robustness...

链篦机篦床温度场是大惯量、非线性、纯滞后的系统，其数学模型具有较大的不确定性；为实现其精确控制，结合模糊控制和PID控制各自在动态响应和稳态精度上的优势，提出了三种模糊PID控制器；利用Matlab的模糊工具箱和Simulink对三种控制器和常规PID控制进行了仿真比较；仿真结果表明，三种模糊PID控制器与常规PID控制相比具有良好的控制品质和较好的适应性。

Static load model and Jacobin comparable matrixs structures features were analyzed ,the results showed that the Jacobin comparable matrix characteristic would be changed after considered the load character, which have an impact on the static voltage stability.

并分析两种负荷模型与潮流雅可比矩阵的结构和特点，研究表明计及负荷特性后将改变雅可比矩阵的特征值，从而影响了系统的静态电压稳定性。

In this paper,about the body of a special ultra-heavy semitrailer without beam,its model is built in ProE sofeware and its static analysis and modal analysis,which is in static state ,constant speed traction state and braking state, are performed in Ansys software.Displacement distribution,stress distrbution,the first five inherence frequencies and vibration modals are educed.

本文针对超重型特种无梁半挂罐车的罐体，用ProE软件建立起模型，用Ansys软件进行罐体在静载工况，匀速牵引工况及制动工况时的静态分析和模态分析，得出罐体在各种工况下的位移分布，应力分布及前五阶自振频率和振型，以验证该罐体设计的合理性。

Inthis work, by using the boundary element method and the joint theory, thewhole machine structure is equivalently modeled by beam elements and spring elements,the corresponding whole machine static model is constructed and the basic propertyparameters of the unit surface of the joints are introduced. The analysis software of thewhole machine static feature is worked out. The optimal design method based on thegenetic algorithm is proposed with the whole machine structure of multiple variablerestrains the optimal design software is developed as well.

本文运用边界元方法和结合部理论，将机床整结构用梁单元和弹簧单元进行等效，并建立相应的整机静力学模型，引入了结合面基础特性参数；编制了相应的整机静态特性解析软件；然后针对多变量约束的机床整机结构提出了用遗传算法进行优化设计的方法，并且编制了相应的优化计算软件。

Then the voltage source type matrix converter mathematics model is established each in 3-phase static and circumrotate coordinate system, moreover by open-loop simulation, the simulation results show that the voltage source type matrix converter can realize the frequency range very broad sine wave input-output, moreover by regulating circuit parameter, the power factor in input side reaches 1 approximately, realization static VAR compensator function.

然后分别建立了电压源型矩阵变换器在三相坐标系和旋转坐标系下的数学模型，并且对电压源型矩阵变换器进行开环仿真，仿真的结果表明电压源型矩阵变换器能够实现频率范围很广的正弦波输入输出，而且通过调整电路参数使得输入侧的功率因数约为1，实现静止无功补偿器的功能。

Based on the analyses and research for the CO〓 welding system with constant wire feed rate, a unified mathematics model, which not only describes the dynamic process around the static operating point but also describes the static relations, is set up.

通过对CO〓焊等速送丝系统进行分析和研究，建立了一种在静态工作点附近既能描述CO〓焊等速送丝系统动态变化过程，又能描述静态关系的统一模型。

The static and dynamic characteristics of the beam of a gantry-type machining center are analyzed by means of ADAMS and ANSYS. Considering effect of gravity and cutting forces, the static deformation of the beam is obtained after calculating the interacting forces between the guide and the slide block by ADAMS. Moreover, the contact parameters of the guide surface are acquired by dynamic tests and parameter identification, then they are applied to the simulation model of the beam-slide box system, whose natural frequencies and modal shapes are achieved by modal analysis. Furthermore, the effect of changes of the contact parameters on the dynamic behavior of the beam-slide box system is also investigated.

对一种国产龙门式加工中心的横梁关键部件，采用机械系统多刚体动力学仿真软件ADAMS和有限元分析软件ANSYS进行了静动态特性分析；在考虑重力和切削力作用下，由ADAMS计算出导轨与滑块间的作用力，从而计算出横梁部件的静态变形；通过动态测试和参数辨识方法获得导轨结合面特性参数并将其应用到横梁滑箱系统整体有限元模型中，经过模态分析得到系统固有频率和各阶振型图，并进一步分析了结合面参数变化对横梁滑箱系统整体动态特性的影响。

Experiments were carried out to verify the static model. Experimental results show that the experimental curve matched well with the simulated curve, and there was certain error between them (maximal static error is 0.035 rad). The error cause was analyzed. Then the experiments were carried out to measure the dynamic performances of the side-sway joint. Experimental results show that the step response time of the joint was about 2 s steady value's tolerance zone ?

完成了侧摆关节静态特性试验，试验结果与仿真曲线基本吻合，验证了静态模型的正确性，但存在一定误差（最大静态误差为0.035 rad），分析了误差原因；对侧摆关节进行了动态特性试验，试验结果表明对于不同的期望值角度阶跃信号，侧摆关节开环阶跃响应时间大约是2 s

The computational model andsimulation method are tested by post-process and visualization of experimentalresults. The application of 2-D Particle Image Velocimetry is also discussed.8 Optimal design of the furnace tube system in an ethylene-cracking furnace isstudied as a practical example. Screw-pitch of the static mixer unit andinstallation layout of tubes with static mixer is discussed.

讨论了先进的二维PIV实验方法应用的可能性。8、以一台典型的工业炉——乙烯裂解炉为例，对静态混合式炉管进行结构优化设计，优化参数涉及元件螺距、安装方式——如安装间距、安装个数、安装方向和相位角等，提出随着静态混合元件的螺距的增大，安装间距也在增大。

Vacuum dry is divided into static and dynamic drier.model fzg round vacuum drier or model fzg square vacuum drier belongs to dynamicdrier.model szg double cone rotating vacuum drier belongs to dynamic drier.

真空干燥设备分为静态干燥器和动态干燥机。yzg圆筒、fzg方型真空干燥机属于静态真空干燥器。szg双锥回转真空干燥机属于动态干燥机。

Core, self psychology is psychoanalytic, but there are crucial differences in how the patient-therapist relationship is viewed.

自体心理学的核心是精神分析，但在如何看待患者-治疗师关系方面，自体心理学和精神分析有着根本性的不同。

High-performance cars brake drum production costs increase less than 10%.

高性能汽车刹车鼓的生产成本增加小于10％。