查询词典 stochastic dynamic model

By introducing a model transformation function into the formalization, a static process model can be extended to a dynamic one. In virtue of the reflection capability, structural reconstruction and behavioral adaptation of the dynamic processes can be achieved in SCM by introspection and effectuation.

通过引入模型转换，扩充流程状态空间，定义了动态流程模型，动态流程的结构重构和行为自适应可以借助SCM的反射能力得以实现。

It is novel to construct dynamic model of VS1 vacuum circuit breaker by multi-body software ADAMS (Automatic Dynamic Analysis of Mechanical System), which is verified by experiment. The electrodynamic force model is also constructed by classifying the electrodynamic as Lorenz force and Holm force.

引言 对断路器的动力学特性进行仿真分析，有利于实现断路器的优化设计；并且研究断路器在故障状态下的动作特性，能够为断路器的状态检测提供理论依据。

From dynamic customer demand, supply chain is composed of supplier and retailer, combining P-control strategy with z-transformation, a dynamic model is given, building model of traditional, EPOS, VMI supply chain respectively.

研究在动态顾客需求下，生产商和零售商所组成的供应链系统，采用P-控制策略和z变换相结合，给出一个动态模型，并分别对传统、EPOS和VMI供应链进行建模，通过仿真，分析和比较顾客需求信息对三种供应链性能影响的效果。

The basic idea Is: using the standard value inserting the dynamic measuring errors which involve systematical errors and random errors, constructing the original error model which is revised at the same time and follows the variable law of the dynamic measuring errors, establishing a more suitable error model.

基本思想是：利用标准量插入动态测量数据实时分离含有系统误差和随机误差的动态测量误差值，建立误差的初始数学模型，并根据不断获得的标准点处的测量误差，实时修正或校正所建的初始误差模型，使误差模型不断跟踪动态测量误差的变化规律，建立更加符合动态测量过程的误差模型。

To analyze the response of pavement structure under moving loading, a quarter vehicle model with single freedom degree and unevenness model are established. The dynamic loads are calculated through combining different pavement conditions and speed. When the incentive frequency which is passed to vehicles by the road is close to its own vibration frequency, vehicles will produce the greatest dynamic load.

为了分析路面结构在行车动荷载作用下的力学响应，建立了单自由度1/4车辆模型和以正弦曲线模拟路面不平整度的模型，通过将不同路面状况和行车速度的组合，分析车辆在各情形下所产生的动荷载，发现路面传给车辆的激励振动频率接近车辆自身振动频率时，车辆对路面产生的动荷载值最大。

In chapter 4, dynamic behaviors of a cantilever beam in a non-inertial reference frame are investigated, and the differences of the dynamic property between the zero-order model and the proposed coupling model are revealed.

第四章研究了非惯性系下柔性梁的动力学性态。

Based on the power series expansion of the general flexible matrix of the sub-system, a general expression of the dynamic stiffness matrix of the reduced model was derived from the exact expression of the reduced model for the direct substitution dynamic condensation methods. The general expression was also expressed as a power series of the unknown eigenvalues. After that, the validity and error of the Guyan condensation method were analyzed.

对于动力缩聚直接代入法，本文从降阶模型的精确表达式出发，利用子系统广义柔度矩阵的幂级数展开式，导出了降阶模型动刚度矩阵的一般表达，并把它表示为未知特征值的幂级数形式，在此基础上对 Guyan缩聚法的适用范围和误差进行了一般分析。

Based on the large-scale model test on soil-pile-structure interaction, as a part of the project financed by nature science national fund, analysis of soil-foundation -structure dynamic interaction (NO.50278033), some issues about modeling of soil-structure interaction system are discussed in this thesis. These issues mainly include simulation of soil infinity, selection of dynamic constitution model of material, simulation of the changing status nonlinearity on soil structure interface, meshing, using of symmetry principle and so on.

结合国家自然科学基金课题《地基-基础-上部结构相互作用体系动力特性研究》(NO.50278033)，以大比例桩筏基础框架模型试验为基础，运用通用有限元软件MARC，首先对土—框架结构动力相互作用体系进行有限元计算建模的一些问题作了研究，主要包括粘—弹性人工边界的施加、土域范围的选取、材料本构模型的选用、土体与结构交界面上状态非线性的模拟、网格划分以及对称性的应用等。

In this paper, the following experimental and theoretical investigations have been carried out: friction materical behavior tests, structure model experiments under low frequency cyclic and reversed loading, structure model dynamic experiments on shaking talbe, researches on dynamic analysis method and engineering design method for braced frame structure with friction control.

对二级摩擦控制支撑框架结构进行了摩擦材料的试验研究、低周反复荷载下结构模型的试验研究、振动台的动力试验研究、结构动力分析方法的研究以及摩擦控制支撑框架设计方法的研究。

By combining cell-transit model with variational inequality formation of dynamic transportation analysis, the cell-based variational inequality formulation of dynamic user optimal assignment model is used to evaluate quantificational the affection of different management strategies cutting traffic congestion.

本文在平衡交通流分析框架下，着重研究了行人自行车对平衡交通流的影响分析、拥挤道路使用收费对平衡交通流的影响分析、基于元胞-变分不等式动态交通模型的交通评价和区域出入口交通需求O-D矩阵估计技术四个基本问题。

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。