基于层次分析法的控制系统性能评估
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引用本文:刘雨微,王永骥,刘磊,董帅.基于层次分析法的控制系统性能评估[J].计算技术与自动化,2014,(4):6-10
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刘雨微,王永骥,刘磊,董帅 LIU Yu-wei,WANG Yong-ji,LIU Lei,DONG Shuai 
中文摘要:层次分析法是一种定性和定量相结合的分析方法,也是一种对系统进行性能评估的量化工具。利用MATLAB开发基于层次分析法的控制系统性能评估软件,用树形结构描述性能指标体系,编写“添加节点”、“删除节点”、“设置下层指标”等函数来建立性能指标体系,选择指数标度法确定判断矩阵的量化数值,利用Matlab矩阵运算功能计算出各个指标的相对权重。该软件允许用户自主构建控制系统性能指标体系、自定义判断矩阵并计算各个指标的权值,具有通用性强、界面简洁、使用方便等优点,具有良好的工程实用价值。
中文关键词:层次分析  控制系统  性能评估  指数标度  判断矩阵  Matlab
 
Performance Evaluation of Control System Based on the Analytic Hierarchy Process
Abstract:The Analytic Hierarchy Process (AHP) is a kind of method with the combination of qualitation and quantification to analyze problems, also, it is a sort of quantitative tools to evaluate the performance for the control system. A performance evaluation software based on AHP is developed by the means of Matlab in this paper. At first, the performance index system is described by tree structure and created by a series of functions, such as “Add node”, “Delete Node”, “Set lower targets”. Then, exponential scale method is selected to determine the quantitative value of judgment matrix. Finally, through the function of matrix operations in Matlab, the relative weight of each index is got. The software allows users to build the control performance index system and judgment matrix independently and calculate the weight of each index handily. With the virtues of versatility, simple interface, easy using and so on, it has favorable practical values for engineering.
keywords:analytic hierarchy process  control systerm  performance evaluation  exponential scale  judgment matrix, Matlab
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