广义不确定分布参数系统变结构控制

研究了一类广义不确定分布参数系统的综合问题，由广义不确定分布参数系统的特点，直接给出了变结构控制的设计方法。设计过程简单，控制易于实现，且给出了实例     

Schools as Communities: Purveyors of Democratic Values and the Cornerstones of a Public Philosophy

Establishing interdependency and community among people may be the solution to reestablishing or creating a tighter fabric of support for childrens' development, for building cultural democracy and a democratic state. This paper attempts to create a bridge between education and the construction of sustainable democratic communities in education, as a basis for building a public philosophy. Ultimately, sustainable democratic educational communities may address the concerns of today and tomorrow and build sustainable democratic communities in the larger global society.     

关于正交级数系数的某些性质

本文给出由就范正交系 { φn(x) } ∞n =1 Lp(E)构成的正交级数Σ∞n =1anφn(x) ,其系数an 收敛于零的充分条件及由此得到在L2 ([0 ,1])上的推论。本文也给出当p∈ (0 ,2 )时结论不成立的反例。     

一类病结构系统的多指标模糊评价方法

针对一类病结构系统的多指标评价问题进行了讨论．阐述了以评议尺度分析为核心进行模糊综合评价的思想，给出了建立尺度标准化矩阵、评议信息的区间数表示和构造综合评价矩阵的方法．     

Robust Stabilization Control for a Class of Nonlinear Measure Differential Systems with Delay

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网络控制系统实时仿真平台的设计与开发

网络控制系统(NCSs)是通过通信网络实现控制系统单元信息交换的分布式控制系统.由于通信网络的引入,有可能使控制系统的性能降低甚至导致系统不稳定,这些不利因素使得对网络控制系统的分析研究变得更为复杂.利用混合编程技术并搭建基于实时通信网络的仿真平台,可为网络控制系统提供有利的分析工具.最后以状态反馈控制器为仿真实例,证明该研究平台的优势及有效性.     

一类反应—扩散方程组的行波解的存在性

本文证明了一类反应—扩散方程组的行波解的存在性,并说明了行波解的某些性质。     

Macroscopic Quantum Phenomena and Topological Phase Interference Effects in Single-Domain Magnets

The tunneling of macroscopic object is one of the most fascinating phenomena in condensed matter physics. During the last decade, the problem of quantum tunneling of magnetization in nanometer-scale magnets has attracted a great deal of theoretical and experimental interest. A review of recent theoretical research of the macroscopic quantum phenomena in nanometer-scale single-domain magnets is presented in this paper. It includes macroscopic quantum tunneling (MQT) and coherence (MQC) in single-domain magnetic particles, the topological phase interference or spin-parity effects, and tunneling of magnetization in an arbitrarily directed magnetic field. The general formulas are shown to evaluate the tunneling rate and the tunneling level splitting for single-domain AFM particles. A nontrivial generalization of Kramers degeneracy for double-well system is provided to coherently spin tunneling for spin systems with m-fold rotational symmetry. The effects induced by the external magnetic field have been studied, where the field is along the easy, medium, hard axis, or arbitrary direction.     

小区智能化中央集成管理系统工程设计

通过对智能小区综合管理的分析 ,得出建设智能小区中央集成管理系统对于提高智能小区管理效率和管理层次十分重要的结论 ,在此基础上提出了智能小区中央集成管理系统应建设的内容 ,结合已实施完成的工程 ,详细论述了中央集成管理系统的工程设计过程 ,在最后展望了智能小区中央集成管理系统的发展趋势