Abstract : this paper considers the decentralized stabilization problem via local state feedback control laws for a class of large - scale linear discrete - time systems with delay interconnections . a sufficient condition for decentralized stabilizability is derived and is expressed as a system of linear matrix inequalities . furthermore , the problem of designing a decentralized state feedback control law with smaller feedback gain parameters is formulated as a convex optimization problem , and latter can be solved by using existing efficient convex optimization techniques . the obtained controller enables the closed - loop systems to be not only stable , but also of any prescribed stability degree 文摘:用一组线性矩阵不等式给出一类线性离散时滞大系统分散能镇定的一个充分条件，进而，通过建立和求解一个凸优化问题，提出了具有较小反馈增益参数的分散稳定化状态反馈控制律的设计方法.所得到的控制器不仅使得闭环系统是稳定的，而且还可以使得闭环系统状态具有给定的衰减度
Based on the existed results , this paper considers two kinds of simultaneous cases , that is time - delay and uncertainties , to get the solution of uncertain lurie time - delay system by means of lyapunov stability theory and lmi toolbox . at the same time , the robust absolute stability conditions and the design method of robust controllers of lurie direct - type and indirect - type delay systems are given 特别地，在已有文献的基础上，考虑实际工业过程系统中存在的时滞与不确定性情况，基于lyapunov稳定性理论，采用线性矩阵不等式这一有效的工具，分别给出lurie直接型与间接型时滞系统的鲁棒绝对稳定性条件和稳定化控制器的设计方法。
In addition to the familiar period doubling bifurcation scenario leading to chaos , a quasiperiodic route to chaos is also observed which occurs through an initial hopf bifurcation . the current chaos control methods are compared , the stabilization of unstable periodic orbits of this chaotic system is achieved by continuous feedback control method , the specially designed external oscillator which used as target motion orbit in continuous feedback control method is obtained directly from ihb method 对现有的混沌控制方法的优缺点进行了比较，利用混沌控制理论中的连续变量反馈控制方法，实现了系统混沌吸引子内部的不稳定周期轨道的稳定化，对齿轮传动系统进行了有效的混沌控制，并对连续变量反馈方法的结果进行了分析，包括噪声的影响和方法的改进。
This article describes that the problem of stabile disposing heavy metal waste and the merit of disposing the heavy metal waste by chelating agent , and especially discusses the application of chelating agents in disposing heavy metal wastes from four aspects : treating in fly ash , treating in sludge , treating in chromium waste and remedying in contaminated soil 摘要论述了重金属废物稳定化处理存在的问题和螯合剂处理重金属废物的优点，着重从4个方面讲述了螯合剂在焚烧飞灰、污泥、铬渣处理以及在修复土壤污染方面的应用。
Low - relaxation prestressed steel wire is one kind of high degree of strength steels , and it is well used in construction industry . this paper based on the product technics , analysis the electric control system in detail . this thesis focuses on the control of the temper temperature , which is the core technics parameter 低松弛预应力钢丝是一种很有前途的高强度建筑用钢材，本文根据低松弛预应力钢丝稳定化处理生产线的工艺要求，对其电气系统进行了全面、细致的分析，对重要的工艺参数?回火温度的控制进行了详细讨论。
Because mz interferometric optical fiber gyroscope has bigger nonreciprocal phase , the system thermal stability , polarization noise and the error caused by the fluctuation of light source is particular analysed , some effective methods is proposed such as : using the " quasi - white - light " interferometry and the fiber polish technology accurately to control the fiber length , using depolarization light to minish the polarization error , and using temperature control , optical power control and depolarizer to stabilize the output of the light source 结合mz干涉式光纤陀螺的存在较大非互易相移的特点，着重从其温度稳定性、偏振噪声以及光源波动引起的误差三个方面分析了抑制噪声、提高检测精度的方法，提出了：采用“准白光”干涉测量法结合光纤研磨技术精确控制光纤长度差的办法；采用非偏振光源抑制偏振噪声的方法；采用温度控制、功率控制以及消偏器实现稳定化陀螺光源的方法。
U xl dcs is a powerful and competitive system with easy extension , perfect control , convenient data dealing , concentrated operation , friendly interface , simple and canonical installation , expedient debugging and safe and reliable running . by system configuration and software development for control , all important parameters in sintering process are stabilized and key procedures such like mineral blending and watering are insured for stability and precision Xl集散控制系统具有通用性强、控制功能完善、数据处理方便、显示操作集中、人机界面友好、安装简单规范、调试方便、运行安全可靠的特点，经过系统配置和控制软件编制，有效实现了烧结过程的主要参数稳定化控制，确保了混合配矿、湿度控制加水等关键工艺过程的稳定性和控制精度。
Recycling the collected leachate to landfill can raise the ratio of containing water of garbage , and increase the humidity of garbage , and improve the activity of microbial in garbage , and improve the rate of producing methane , accelerate the decomposition of organic and shorten the stabilization process of landfill 将渗滤液收集，回灌到填埋场可以提高垃圾层的含水率，增加垃圾的湿度，增加垃圾中微生物的活性，加速产甲烷的速率和垃圾中污染物溶出及有机物的分解，缩短填埋场垃圾的稳定化进程。
