针对网络控制系统存在的网络诱导时延这一基本问题，本文主要对其进行时延分析、系统建模和时延补偿控制器设计等三个方面的研究。
Since networked induced delay is one of the important problems of NCS, analysis, modeling and controller design for time delay in NCS are studied in this thesis.
给出了单输入单输出和多输入多输出网络控制系统中存在数据包丢失情况下均方随机稳定的充分条件和丢包边界的确定方法。
The sufficient stability conditions of SISO and MIMO networked control system with data dropouts are presented, data dropout rate is determined to ensure stability of NCS.
为带时变时延的网络化控制系统提出了一种新的状态反馈控制器的设计方法。
This paper proposes a new method to design state feedback controller for networked control system (NCS) with time-varying delays.
其次，在考虑系统噪声和延时可以大于一个采样周期的情况下，提出了单包传输和多包传输的网络控制系统的模型。
Secondly, the model of NCS with single-packet and multiple-packet transmission under considering system noise and network-induced delay longer than one sampling are proposed.
对时变时延多包传输网络控制系统的指数稳定性和控制器设计问题进行研究。
Exponential stability and controller design problems for networked control system (NCS) with time-varying delay and multiple-packet transmission were studied.
本文是针对一类有网络延时的网络化控制系统，研究其故障容错控制问题。
This paper deals with fault tolerant control of a Networked control Systems (NCS) problem with network delay.
主要成果包括：（1）提出了多种对未知随机网络延迟具有鲁棒性的网络化控制系统（NCS）的故障检测方法。
The main achievements of the project include: (1) several new approaches for fault detection of Networked Control Systems (NCS) with random and unknown network-induced delay have been proposed.
传感器、控制器与执行器的数据经网络进行传输与交换的闭环控制系统称为网络控制系统。
Networked control systems (NCS) are a kind of closed-loop control systems where the sensors, the controller and the actuators exchange data through network.
在考虑系统噪声和网络诱导延时大于一个采样周期的情况下，给出了多包传输的网络控制系统模型。
The model of NCS with multiple-packet transmission is presented considering system noise and network-induced delay longer than one sampling period.
针对网络化控制系统(ncs)具有不确定性的传输迟延与数据丢包特性，设计了一个分布式的网络化控制系统模型。
With regards to the characteristics of uncertain transmission delay and packet dropout of networked control system (NCS), a distributed model is proposed in this paper.
本文主要研究网络控制系统的调度方法，使整个NCS的性能达到优化。
The performance of NCS is related to not only control strategy but also the scheduling of network resource.
首先针对网络控制系统分布式的特点，特别是类似于CAN总线的多主系统，由于没有单一的时钟提供同步机制，影响调度管理的同步。
First, aiming at the distribution of NCS, specially the multi-master system such as CAN, there is no unified network clock, so the scheduling and management are affected.
研究了一类具有网络诱导时延和参数不确定性网络化控制系统鲁棒容错控制问题。
The problem of robust fault-tolerant control for networked control systems (NCS) with uncertain time-delay and uncertain parameter is studied.
最后，展望了网络控制系统的发展前景，指出今后有待进一步研究的理论与应用问题。
Finally, the prospect of NCS and some issues that should be solved are pointed out in this thesis.
采用自适应预测控制的方法对带有随机时延的网络化控制系统进行分析和研究。
In this paper, a novel adaptive predicted control method was proposed to analyze NCS (networked control system) with random delays.
其次，研究了控制器为事件驱动时网络控制系统的时延补偿控制。
Secondly, controller design of NCS for delay compensation is studied when the controller is clock-driven.
对网络控制系统分别从高斯型二次最优（LQG），切换系统和神经网络控制三个方面来考虑。
We consider the networked control system (NCS) from linear quadratic Gaussian (LQG) method, switched system and neural network control.
该模型也可以用于指导网络控制系统的设计。
介绍了几种目前比较流行的现场总线，重点分析了CAN总线的性能特点和协议结构以及由CAN总线构成的网络控制系统及时延特性。
Emphasize on analysing the features of CAN and the structure of the CAN bus protocol. Finally the NCS constituted by CAN bus and its time delay are analysed.
因此很有必要对存在时延的网络化控制系统的稳定性进行分析。
Therefore, it is imperative to analyze the stability of NCS with network-induced delay.
最后，论述了NCS研究中尚待解决的问题，展望了网络控制系统未来的发展前景。
Finally, the problems to be dealt with in NCS are pointed out and the future development directions in NCS are given.
讨论了系统采样周期对网络控制系统的影响。
并以任意的一个二维离散线性时不变系统为例，对其进行仿真，仿真结果表明该控制策略能保证网络化控制系统的指数均方稳定性。
Next using an arbitrary two dimension discrete linear time-invariant system as a simulation example, simulation results indicates the control scheme can insure mean square stability of the NCS.
作为对传统的点对点通讯的代替，网络控制系统的公共总线网络结构提供了更有效的可重构性，更好的资源利用率，减少了安装和维护成本。
As an alternative to traditional point-to-point communication, NCS offers more efficient reconfigurability, better resource utilization, and also reduces installation and maintenance cost.
目前，对于网络控制系统的研究主要从控制和网络调度两个方面展开。
At present, research on NCS mainly focuses on either control or network scheduling.
首先，对具有时延的网络控制系统进行时延分析和建模。
Firstly, analysis and modeling for the NCS with networked, induced delay are investigated.
最后对本文的主要工作进行了总结，并指出了网络化控制系统中有待进一步研究的问题。
Finally, the research conclusions are presented and the remaining problems that need further research of NCS are pointed out in this thesis.
网络时延会降低控制系统的性能，甚至导致系统失稳，这给NCS分析、设计带来了很大的困难。
The delay can influence control performance, it can even cause system instability, which brings difficulties to analysis and design of NCS.
针对网络控制系统中数据包传输的时序错乱问题，本文用附加缓冲器方法加以克服。
For the wrong order of data packets in NCS, The additional buffer method is put forward to deal with the problem in this report.
针对网络控制系统中数据包传输的时序错乱问题，本文用附加缓冲器方法加以克服。
For the wrong order of data packets in NCS, The additional buffer method is put forward to deal with the problem in this report.
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