Structural reliability theory is a powerful tool to solve structure uncertainties and evaluate structural performance.
结构可靠度理论是处理结构不确定性、进行结构性能评估的有力工具。
Cylinder buckling is governed by imperfections in a structure and uncertainties in the loading of weight, and mathematical models can predict this behavior.
一个圆柱体外壳的曲度变形情况受到其本身的结构限制和不确定的外力影响，一般可以通过数据模型方程序测算出它的结果。
For a class of linear systems with uncertainties of unknown bound, a variable structure control (VSC) design method is proposed based on Block control principle.
针对一类非匹配不确定性的线性系统，基于块控原理，提出了一种变结构控制设计方法。
The uncertainties are time-varying but with confirmed structure.
系统的不确定性参数是时变的，但其结构已知。
The PID controller has a simple structure and doesn't rely on the math model, the integral action included observes and restrains the uncertainties of the plant.
该控制器结构简单，易于实现，且不依赖对象数学模型，所包含的积分环节能有效观测并抑制对象中存在的不确定性。
In this paper, the robust output tracking control problem for nonlinear systems is discussed. The robustness against structure and parameter uncertainties and unknown disturbances is considered.
研究有界不确定性非线性系统的鲁棒跟踪问题，考虑了在同时存在参数、结构及干扰的不确定性条件下，控制系统的鲁棒性。
The uncertainties come from synthetic action of input and output structure, investment of pollution control, environment policies, etc.
这种不确定性主要来自于经济的投入和产出结构、污染治理投入和环境政策等因素的综合作用结果。
The stability of model reference variable structure system with mismatched uncertainties is also analyzed.
本文还分析了具有非匹配不确定性因素的模型参考变结构控制系统的稳定性问题。
As to the attitude stablization of reentry vehicle with parameter uncertainties, its variable structure decoupling control law is designed and simulation results are given.
讨论了其滑模面的构造方法和解耦控制条件，在姿态控制中保证了姿态跟踪期望值。
The PNN structure was optimized based on statistical results from the PCA for the training samples. A learning algorithm was introduced into the PNN to reduce uncertainties parameter.
以概率乘法公式为理论依据，根据训练样本的PCA结果对PNN进行结构优化，并引入学习算法减小PNN的参数不确定性。
Robust reliability measures the safety of product or structure by the resistance of them to uncertainties. In chapter 4, robust reliability theory is studied initially.
稳健可靠性是从产品或结构对不确定因素的抵抗能力的强弱来描述产品或结构的安全性的，本文第四章对稳健可靠性理论进行了初步的研究。
Then, the normal variable structure controller (VSC) and the adaptive variable structure controller with the estimation for the upper norms of uncertainties are presented.
所提出的近似自适应变结构控制器可以避免控制器中的不连续继电项，同时不必已知系统不确定性范数界。
Analyzed the uncertainties on the fatigue properties of welded hollow spherical joints plate grid structure.
分析了各种不确定因素对焊接空心球节点网架疲劳性能的影响程度。
In the civil engineering field, compared with upper-structure, there will be a lot of problems such as considerable uncertainties, complexities, difficulties in the process of foundation design.
在土木工程领域中，与上部结构相比，地基不确定因素多、问题复杂、难度大。
In the civil engineering field, compared with upper-structure, there will be a lot of problems such as considerable uncertainties, complexities, difficulties in the process of foundation design.
在土木工程领域中，与上部结构相比，地基不确定因素多、问题复杂、难度大。
应用推荐