查询词典 time delay

A time domain method was proposed for analyzing the vehicle-bridge stochastic vibration excited by multidimensional time-delay nonwhite rail irregularities .

提出时滞多维非白噪声轨道不平顺激励下车辆－桥梁垂向随机振动的时域分析方法。

As an extension of research on predictive control, memoryless robust control is studied to time varying systems with time delay and parameter perturbation.

作为对预测控制研究的扩展，讨论了具有纯滞后和参数摄动的时变系统的无记忆鲁棒控制。

Robust stabilization of a class of time-delay systems with nonlinear time-varying perturbation is discussed in this paper.

讨论了一类不确定时滞系统的基于观测器的控制器设计问题，其中不确定是非线性时变的。

Gray predicative ; neural network ; time delay system ; identification of delayed time

灰色预测；神经网络；时滞系统；延迟时间的辨识

Gray predicative ; fuzzy control ; neural network ; time delay system ; identification of delayed time ; intelligent integration

灰色预测；模糊控制；神经网络；时滞系统；延迟时间的辨识；智能积分

According to the characteristics of pure time delay, large inertia, time-variance and nonlinearity of the temperature system, we proposed a kind of subsection control strategy that synthesized pure proportional, fuzzy and PID control, to guarantee quick and high-precision temperature control.

在现有卷染机机械结构的前提下，提出了基于双变频技术的速度张力传动控制机构，实现了智能卷染机的控制需求，并设计PLC软件程序；针对卷染机温度系统具有的纯滞后、大惯性、时变、非线性等特性，提出了一种分段控制策略，综合运用纯比例控制、模糊控制和PID控制，实现了快速、高精度的温度控制目标。

In order to acquire the accurate transmitted time of sound wave in power plant furnace in acoustic pyrometry, the time delay estimation of weak sound signal under the condition of strong noise is studied.

为了在电站锅炉声学测温中获得准确的声波飞渡时间，针对强噪声环境下弱信号检测问题，研究了声信号的时间延迟估计。

Based on the information-scheduling models and time-delay models of networked control system, state-estimate-based and parity-relation-based fault diagnosis approaches and passive fault-tolerant control such as integrity control for networked control systems are presented; 2 we presented new models, Quasi T-S models, for linear and nonlinear networked control systems with random time delays, and the corresponding fault diagnosis and fault-tolerant control approaches; 3 With all these fault diagnosis theory presented, active fault tolerant control approaches are developed directly for networked control systems; 4 Some analysis, design and optimization theory for networked control systems are presented., such as robust control, LQ guaranteed cost control, modeling and control for stochastic networked control and integrated optimization etc.

给出了诸如网络化控制系统的鲁棒控制、LQ保成本控制、联合优化设计、随机网络化控制系统的建模与控制等方面的结果。

The description of network delays including characteristics and effects are also covered and the uniformed mathematic models for NCSs with four different structures are derived. Furthermore, the controller basing on state prediction and compensating time delay is designed. Sufficient and necessary stability conditions for systems with different transmission policies such as perfect transmissions, delayed transmissions and time-varying transmissions are obtained as simple eigenvalue tests of certain test matrices. And in the end, effects of model error over maximum communication interval are analyzed. Numerical examples show the feasibility and efficiency of the proposed methods.

首先介绍了网络控制系统中数据包的传输情况以及基于模型结构方法的基本思想，并针对四种不同拓扑结构的控制网络分析了网络时延的性能，进而给出了统一的数学模型；然后，提出了基于状态预测的具有时延补偿功能的状态反馈控制器的设计方法，并针对完美传输、延时传输及时变传输三种数据传输策略，分别研究了控制系统的稳定性问题；最后分析了模型误差对最大通讯间隔的影响；仿真结果表明了设计及控制方法的正确性和有效性。

On the basis of statistical theory of time series, the characteristics and self relativity of Internet time-delay were analyzed statistically. The prediction method of network delays based on support vector machine was put forward.

基于时间序列分析方法，对Internet网络延时特性以及延时时间序列的自相关性进行了统计分析；进而提出了基于支持向量机的网络延时预测方法。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。