仿真网格高质量信息共享方法研究  

Research on Good Quality Information Sharing Method in Simulation Grid

作　　者：张英朝[1] 张静[1] 陈欣[1] 于芹章[1] 

机构地区：[1]复杂系统仿真国家重点实验室总体实验室北京系统工程研究所,北京100101

出　　处：《系统仿真学报》2011年第1期135-141,共7页Journal of System Simulation

摘　　要：高质量的信息共享是提高仿真网格仿真过程及结果可信性的重要基础,是实现仿真网格组成单元高效协作的重要途径。提出了一种基于信息能力建模的仿真网格高质量信息共享方法—TPGQISM。TPGQISM方法核心思想是通过有效选取信息质量高的信息源、执行经过选优的信息查询计划来实现高质量信息共享。该方法分为三个步骤,第一步,基于信息能力模型对仿真网格中各信息源信息能力进行建模描述;第二步,基于各信息源信息能力建模,应用逼近理想解的排序方法对仿真网格信息源进行排队选优;第三步,生成信息查询共享计划,应用简单加权和法对于所生成的信息查询计划进行排序选优,执行最优信息查询计划。最后结合实例,对TPGQISM方法工作原理、过程和应用进行了初步探讨。In the simulation grid, information sharing is very important for the grid umts to cooperate with eacn omer effectively and efficiently and to improve the reliability of simulation results. For the purpose of achieving good quality information sharing in the simulation grid, an capability-based information sharing method named Three Phases Good Quality Information Sharing Method （＂TPGQISM＂ for short） was advanced. The main idea of TPGQISM selected those information sources with best quality and executed the best query plan. In the first phase, the information capability model of each information source in the simulation grid was founded. In the second phase, based on the information capability model of each source, those information sources with highest information capability were selected out with the rank order through using the TOPSIS method. In the third phase, based on the information capability model of each query plan, the best query plan was selected with the SAW method. To illustrate how TPGQISM works, an application example of implementing good quality information sharing in the stock market simulation grid was analyzed.

关 键 词：仿真网格 高质量信息共享 信息能力建模 信息源选取 信息查询计划选优 

分 类 号：TP391[自动化与计算机技术—计算机应用技术] TP393[自动化与计算机技术—计算机科学与技术]