查询词典 stochastic dynamic model

A dynamic nonlinear model of permanent magnet linear synchronous motor with single segment primary was established,then the secondary position was taken as the variable to construct the system dynamic simulation model of a PMLSM with several segment primaries.

建立了单段初级永磁直线同步电机变参数、非线性动态模型。在此基础上，以次级位置为参变量，建立多段初级式永磁直线同步电机系统动态模型，并用该模型对一具有4段初级的无绳提升系统能耗制动过程进行了仿真、分析。

The dynamic role switching was introduced into RBAC96 model. Different forms of the dynamic role switching, the relationships between the different switchings, and the realization of the extended model were presented.

本文将动态角色切换引入到RBAC96模型，论述了动态角色切换的各种形态、不同切换间的相互关系及模型实现。

A one-dimensional dynamic model is developed for the working fluid in the boiler tube, it is convenient to be connected with furnace model, in order to simulate the dynamic differences of the in-tube working fluid at different positions of the furnace.

在建立的管内工质动态模型中考虑了两相区内汽水之间的相对滑移，以及流体动量沿流程、随时间的变化对动态特性的影响；对过冷区、饱和区和过热区都采用了分布参数模型。

In this paper the basic principle of dynamic simulation with PSS/E is presented; the effectiveness and adaptability of flexible HVDC power transmission model are analyzed, and on the basis of actual power system the quasi steady-state VSC-HVDC dynamic model VSCDCT is simulated. Simulation results show that it is available to apply PSS/E in transient stability analysis of practical large-scale AD/DC power system.

介绍了PSS/E动态仿真的基本原理；分析了柔性直流输电模型VSCDCT的有效性和适用性，并基于实际系统对准稳态直流动态模型VSCDCT进行了仿真研究，仿真结果表明 PSS/E直流模型能够满足大规模交/直流系统仿真的要求。

Through simulates between the mold and the sheet dynamic contact accurately, contacts the boundary dynamic change in the comprehensive analysis sheet and the mold in the foundation, unified the ANSYS software to give the model geometry description, the contact algorithm choice, the contact friction model establishment and so on the concrete method.

通过准确地模拟出模具与板料之间的动态接触，在全面分析板料与模具接触边界动态变化的基础上，结合ANSYS软件给出了模型的几何描述、接触算法选择、接触摩擦模型的建立等具体方法。

In this paper to study the explosive resistance of the concrete frame member strengthened by adhering CFRP, the dynamic behavior of concrete, the HJC concrete dynamic damage model and the method to establish the model parameter are deeply analyzed.

本文以研究碳纤维布加固混凝土构件的抗爆能力为目的，对混凝土的动态力学性能，混凝土HJC动力损伤模型，以及其模型参数的确定方法进行深入分析。

The three-dimensional models are successfully imported to ADAMS software through the special interface MECH/PRO, and then the virtual prototype models are founded by toolbox of ADAMS to apply forces and constraints to the parts of the models. The dynamic simulation of the multi-rigid-body rifle model is carried out under the condition of the single shoot by the low firing frequency, high firing frequency and superhigh firing frequency when the rifle model is fixed on the ground, then the dynamic simulation of the multi-rigid-body man-weapon system is operated under the conditions of single and repeating shoots.

通过Pro／E和ADAMS的接口MECH／PRO将三维实体模型顺利导入ADAMS中，并对高频点射步枪和人枪系统施加约束和力，建立高频点射步枪和人枪系统的虚拟样机模型，并且对高频点射步枪及人枪系统进行了较为系统的多刚体系统动力学分析和研究，分别对高频点射步枪固定状态下次高频、高频和超高频点射过程进行了多刚体系统动力学的仿真，在此基础上对高频点射步枪人枪系统点射和连发进行了仿真。

The proposed method has the merit that the numerical characteristics of stochastic temperature field response can be obtained by analyzing the random temperature field just in one time.3. Perturbed numerical algorithm of nonprobabilistic convex set theoretical models on the temperature fieldThe uncertain parameters of physical parameters and initial boundary conditions of heat conduction are described by the convex model. The perturbation formulas of the upper and lower bounds of temperature field response with unknown-but-bounded parameters are given via the combination of matrix perturbation theory and the convex set theory model.4. Numerical analysis for transient temperature field with interval parametersConsidering the uncertainties of the transient heat transfer, the physical parameters and initial boundary conditions are regarded as interval variables.

该方法具有只进行一次随机温度场分析便可以获得其响应的数字特征的优点。3、温度场的非概率凸集合理论模型的摄动数值解法将结构导热的物理参数、温度场的初始和边界条件等不确定性参数以凸模型加以描述，基于矩阵摄动理论和处理不确定问题的凸集合理论模型的结合，导出有界不确定参数瞬态温度场响应所在集合的上、下界摄动计算公式。4、具有区间参数的瞬态温度场数值分析考虑结构瞬态热传导问题的不确定性，将结构各物理参数和温度的初、边值条件均视为区间变量。

This paper employs Brownian movement and q- step moving average process to model the stochastic fluctuation of interest and study the risk problems in individual account pension fund. The actuarial balance equation, the responsibility reserve fund as well as the survival annuity model are discussed.

本文分别用布朗运动和q阶移动平均对利率进行建模并应用于养老基金领域，研究了个人账户养老基金的精算平衡方程、责任准备金的提留以及生存年金模型，并讨论了与此相关的风险问题。

The results showed that the statistical characteristics and changing regularity of the integer multiple spiking from the experiment were similar to those from the stochastic Chay model, but different obviously to those from the deterministic Wang model.

结果发现，实验和随机模型经随机自共振产生的整数倍峰放电节律具有相同的统计性质(峰峰间期越大，出现的频度越低，约呈指数递减)和变化规律，与确定性Wang模型产生的整数倍节律明显不同。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。