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大规模系统
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  large scale system
     Practical large scale system simulation shows that the method has good accuracy and computation speed and can be used for online power system stability analysis.
     实际大规模系统仿真表明:该方法显著地改善了目前工业界常用的隐式积分法的速度,但其精度与隐式积分法相同。
短句来源
     And based on this thought,a parallel algorithm of attribute reduction was(designed.) By using the simulate tool CPN Tools of Petri Nets,the load balance of the algorithm was analyzed. On the basis of the experimental results compared with the corresponding serial algorithm,it is shown that the(parallel) algorithm is more efficient for the large scale system with excessive objects.
     根据该思想设计了一个属性约简并行算法,并利用Petri网模拟工具CPN Tools对算法的负载平衡进行了分析,通过实验与相应的串行算法在时间上进行了对比,实验结果显示,该算法对于对象较多的大规模系统具有较高的效率.
短句来源
     The interior point cutting plane method (IPCPM) possesses both the advantages of cutting plane method and interior point method, so it is suitable for solving discrete optimization problems of large scale system. But in research it is found that if the problem has multiple solutions, the optimal solutions of interior point method will converge to the interior of the optimal face, and cutting planes can not be generated correctly due to the failure of identification of optimal base, which lead to the failure of IPCPM.
     内点割平面算法(IPCPM)集中了割平面法和内点法的优点,非常适于求解大规模系统的离散优化问题,但是研究发现内点法在求解松弛的线性规划问题时,如果问题具有多重解,最优解会收敛到凸多面体的最优面的内部,此时IPCPM会由于无法得到正确的最优基信息来生成割平面而失效。
短句来源
  largescale systems
     Global Optimization for Large Scale Systems
     大规模系统的全局优化
短句来源
     Symmetric systems can be transformed into uncoupled subsystems by using the group representation theory, which can reduce the computational effort required for H_2 and H_∞ control of the systems, especially for large scale systems whose controllers are synthesized directly for subsystems with lower dimensions.
     利用群论的方法研究系统的对称性,可以将对称系统分解为一系列互相独立的子系统,使系统的H2和H∞控制可以在低维子系统上设计实现,从而减少控制系统设计中的计算量,这一点对于大规模系统的控制尤其重要.
短句来源
     The paper is a trial in which authors applied mathematical programming methods for large scale systems to integrated urban environmental planning.
     本文是将大规模系统数学规则方法应用于城市环境综合规划的探索。
短句来源
     This article presents a theory of modeling to solve the problem of modeling for large scale systems that exists generally in current qualitative theories.
     针对当前已有的定性理论难以分析大规模系统的缺陷,本文提出一种模型建立理论。
短句来源
     For the solving of complex large scale systems, an extended artificial fish swarm algorithm based on decomposition and coordination method was described;
     针对大规模系统的优化问题,给出了基于分解协调思想的人工鱼群算法;
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  “大规模系统”译为未确定词的双语例句
     The production data of 3 gas fields, 10 gas reservoirs and 333 wells have been matched with 15 controlling models.
     首次采用15个油气田开发控制模型大规模系统的应用于气田生产实际对新场气田、孝泉气田、合兴场气田3气田、10气藏、333口气井进行了全面拟合预测。
短句来源
     Global Optimization on A Class of Large-Scale Systems
     一类大规模系统的全局优化
短句来源
     A multi-agent model of cleaner production for complex, large-scale system of pulp production process is established by using the theory about agent's model, structure, communication and cooperation.
     根据智能体的模型、结构、通信和协调的基本理论,以及制浆过程清洁生产这样一个复杂、大规模系统完成全局优化的要求,建立了制浆过程清洁生产的多智能体模型,为完成制浆过程清洁生产全局优化的要求奠定了基础。
短句来源
     With the development of middleware, CORBA are applied broadly in many large system design.
     随着中间件的发展,CORBA技术被广泛地应用在大规模系统的设计中。
短句来源
     The calculation results from 20-, 26-and 110-machine test systems show that the proposed method is effective, which can further enhance the adaptability of UC to large scale power system.
     20机、26机及110机测试系统的计算结果表明了文中的改进方法是有效的,进一步增强了机组组合对大规模系统的适应性。
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  large scale system
Numerical examples are given based on the IEEE 118-bus system, IEEE 300-bus system and a large scale system with 1000-buses.
      
To tackle large scale system and nano-seconds time duration, parallel algorithm is desired.
      
A scheme of model studies required to analyse a complex large scale system through decomposition approach is outlined.
      
Conclusions were drawn for scale-up and design of the large scale system.
      
These qualities require a different approach to the development of a theory for this large scale system than has been used in the past, when the biosphere was treated as a steady-state, quasilinear system.
      
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  largescale systems
A methodology is developed for logical recognition of complex structural associations of objects in largescale systems using the theory of assemblies.
      
Balanced truncation model reduction for largescale systems in descriptor form.
      
It is worth emphasizing that there are other attempts to treat stochastic largescale systems in the literature.
      
In unsupervised, largescale systems it is difficult to measure the quality.
      
Most of the existing decentralized output feedback results are developed for largescale systems interconnected only by the outputs.
      
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In this paper the structure of large-scale systems is firstly discussed. It is pointed out that each such system cah be decomposed into a multi-level structure, each level of which is composed of "minimal strongly connected subsystems" and only the highest level is a "Simply connected subsystem". Then concepts "stability strength" and "Connectivity strength" are introduced. Such allows the stability conditions of the large-scale system to have simple forms of the same type, having appavent physical interpretations....

In this paper the structure of large-scale systems is firstly discussed. It is pointed out that each such system cah be decomposed into a multi-level structure, each level of which is composed of "minimal strongly connected subsystems" and only the highest level is a "Simply connected subsystem". Then concepts "stability strength" and "Connectivity strength" are introduced. Such allows the stability conditions of the large-scale system to have simple forms of the same type, having appavent physical interpretations. In the last section the stabilization problem is considered. Multilevel structure and concepts of stability strength and connectivity strength much faciliate the selection of local feedbach controllers which are minimally necessary.

本文首先研究了大规模系统的结构,指出可将大系统分解成多层结构,每一层均是“最小强相联”子系统组成的,只有最高层是“简相联”子系统组成的。然后引入子系统本身的“稳定性强度”和子系统间的“联接性强度”的概念,多层结构使得大系统的稳定性条件有相同的类型,形式简单而且有明显的物理概念。最后讨论了用局部反馈对大系统进行镇定的问题,多层结构及稳定性强度与联接性强度概念,使镇定方案简明,且便于讨论引用最少数目的反馈问题。

This paper presents a new method for solving the linear 0-1 programmingmodel. It is realized, by means of a special structure tree and a correspondingalgorithm, to pick out sequentially the combination schemes according to thevalues of the sized function. In ordet to accelerate the convergence, the IsologTree Algorithm and the Parrallel Algorithm are given, so as to meet thedemand of large scale systems. In this paper, the feasibility on the linear 0-1 programming model isproperly discussed also. Furthermore,...

This paper presents a new method for solving the linear 0-1 programmingmodel. It is realized, by means of a special structure tree and a correspondingalgorithm, to pick out sequentially the combination schemes according to thevalues of the sized function. In ordet to accelerate the convergence, the IsologTree Algorithm and the Parrallel Algorithm are given, so as to meet thedemand of large scale systems. In this paper, the feasibility on the linear 0-1 programming model isproperly discussed also. Furthermore, a necessary and sufficient condition forthe feasibility, are established.

本文针对线性零一规划模型提出了一种新的解法。它利用特殊结构的组合树及相应算法,能将组合方案按目标函数大小顺次挑出作可行性检查。为了加快收敛速度,还设计了《同构树算法》及《并行算法》,以适应大规模系统的需要。文中对线性零一规划模型的可行性问题,也作了适当的探讨,并给出了鉴别可行性的充要条件。

This paper advances a methology of combining use of the project sequencing model, the reservoir compensative regulation model, the power and energy equilibrium in a pdwer system model as Well as the economic calculation model for obtaining the optimal sequencingin the development of a hydropower project system.

本文提出联合使用开发次序数学模型、补偿调节数学模型、电力系统电力电量平衡 计算模块和经济计算模块的方法,用以求解水电站群的最优开发次序.开发次序数学模 型是一个以电站个数为阶段变量的动态规划模型,其目标函数是在考虑水、火电站联合 运行并满足电力系统电力电量平衡的条件下使电力系统的总费用折算现值最小。补偿调 节数学模型是两个高维动态规划模型,利用逐步优化算法进行求解。 本文提出的这一方法有效地克服了求解大规模系统在计算机内存和计算时间方面的困难。利用这一方法求解了澜沧江中下游水电站的最优开发次序,计算结果是比较满意的。

 
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