Plasma-polymerization of ethylene gives films of complex, uncertain structure.
乙烯的等离子聚合得到复杂的，无固定结构的薄膜。
So the interval model to deal with uncertain structure has simple practical unique advantage.
因而，区间分析用于结构不确定性问题的处理具有简单实用的独特优点。
This paper takes a new interval method (interval factor method) to study static analysis problem of interval truss uncertain structure.
本文采取了新的区间分析方法(区间因子法)研究分析区间参数非确定性桁架结构的静力分析问题。
From interval arithmetic, an analytical method of interval finite element of uncertain structure is presented by combining interval analysis with the finite element method.
根据区间运算规则，将区间分析与有限元方法相结合，提出了非概率不确定的结构的一种区间有限元分析的方法。
In this paper, the stability of interval parameter matrices is considered and one condition for stability of interval parameter matrices is put forward by using uncertain structure.
本文研究了区间参数矩阵的稳定性问题。利用不确定性的结构，提出了区间参数矩阵稳定的一个判别条件。
Results of identification show that the Elman's recurrent model is superior to the traditional model. It is adaptive to the identification of the non linear and uncertain structure.
辨识结果表明，动态递归网络模型优于传统辨识模型，适于非线性、不确定结构的辨识。
To the problem of the actuator constraints in practical control systems, the output regulation is studied for robot manipulators with uncertain structure parameters and external disturbance.
针对实际的控制系统中执行器受限的问题，研究了机器人存在不确定结构参数及外界干扰时的输出调节问题。
However, adolescence is a period of intense physiological change, and therefore stability of the underlying metabolic structure and clinical categorization based on metabolic risk is uncertain.
然而，青少年时期其生理状况会出现显著的改变，因此，潜在的代谢构成的稳定性和基于代谢风险因子的临床确诊也是不肯定的。
The design of variable structure control for uncertain discrete time systems is discussed.
研究了不确定离散时间系统的变结构控制设计问题。
This paper studies the synthesis and design problem of variable structure control for a linear discrete uncertain singular system with time-delays.
研究了一类线性离散时滞广义不确定系统的变结构控制的综合与设计问题。
A class of uncertain nonlinear systems (1) with a triangular structure and unknown parameters is considered.
考虑一类具有三角形结构和参数未知的不确定性非线性系统(1)。
Based on the good properties of exponential fast terminal sliding mode, a novel sliding mode variable structure control for high-order uncertain nonlinear systems is proposed.
针对一类高阶不确定非线性系统，基于指数型快速终端滑模的良好特性，提出了一种新的滑模变结构控制。
The traditional design of pit supporting structure was rather ambiguous and uncertain, and might endanger the safety of the foundation pit and its circumstances.
传统的基坑支护结构设计具有相当的模糊性和不确定性，可能危及基坑和周围环境的安全。
For two classes of controllers with given structure, the sufficient conditions for robust stabilizability of uncertain discrete time-delay systems are dervied.
对两类具有给定结构的控制器，给出了不确定离散系统鲁棒能镇定的充分条件。
The main content in this paper include generalization performance research of CMAC NN and the application in Integral Variable Structure Control (IVSC) for uncertain nonlinear systems.
本文主要内容包括对CMAC神经网络泛化性能的研究及其在对不确定非线性系统进行积分变结构控制（IVSC）中的应用。
The paper analyzed and designed a class of robust variable structure controllers for the uncertain discrete-time system.
针对不确定性离散时间系统，分析和设计了一类变结构控制器。
A decentralized variable - structure control for a class of uncertain large - scale interconnected systems is presented.
提出了一种适用于一类时变关联大系统的分散模糊变结构控制方法。
The 4-valued recognition structure is used to measure the uncertain degree of uncertain information and thus more powerful expressive capacity is attained.
通过引入4-值认知结构刻画不确定性，提供了更强的度量能力和更高的推理效率，同时支持相关不确定信息的有效获取，从而更加接近实际应用的需要。
Based on genetic algorithms (GA) a sliding mode variable structure control method, for a class of nonlinear uncertain systems is proposed.
针对不确定性的非线性控制系统，提出了一种基于遗传算法的滑模变结构控制方法。
In the second chapter, the variable structure control problem of a class of uncertain distributed parameter system is studied.
第二章，研究了一类不确定分布参数系统的变结构控制问题。
We propose a direct output feedback variable structure control to stabilize the uncertain system whose states are not available and can not be estimated.
针对多变量不确定线性系统，提出了一种新型的输出反馈变结构调节器的设计方案。
An increment feedback control method based on nonlinear iterative sliding mode variable structure control is presented for a class of uncertain nonlinear perturbed system.
针对一类不确定非线性受扰动系统，提出一种基于非线性迭代滑模变结构的增量反馈控制算法。
The AE signals of pipeline leak carry the information of structure integrity (the dimension and location of leak), which are random and uncertain, and belong to non stationary signals.
管道泄漏声发射信号既携带结构的某些特征信息（泄漏孔大小和位置等） ，同时又有很大的随机性和不确定性，属于一种非平稳随机信号。
The development of structure intelligence control research can make the uncertain system control to be possible.
开展结构智能控制的研究能有效解决结构控制领域中不确定性系统的控制问题。
For uncertain systems with parameter uncertainty and unknown disturbance, a two-degree-of-freedom control structure was proposed based on sensitivity function.
针对具有参数不确定性和外部未知扰动的不确定系统，基于灵敏度函数，提出了一种二自由度控制结构。
The design of variable structure control using the reaching law approach for uncertain discrete time systems was discussed.
研究有界不确定离散时间系统的变结构控制设计问题。
The systems with disturbances and non-affine unknown functions have low triangular structure that generalizes both strict-feedback uncertain systems and pure-feedback ones.
它是严格反馈不确定系统和纯反馈系统的更一般化的表达。
Since uncertain conditions of bridge structure and the wind circumstance should be accounted for, occurrence of flutter and aerostatic instability is therefor uncertain.
由于桥梁本身及其所处风环境的不确定性，桥梁颤振与气静力失稳的发生也是不确定的。
Since uncertain conditions of bridge structure and the wind circumstance should be accounted for, occurrence of flutter and aerostatic instability is therefor uncertain.
由于桥梁本身及其所处风环境的不确定性，桥梁颤振与气静力失稳的发生也是不确定的。
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