基于Shannon-Happ公式和Johnson方法计算信号流图的传递函数  

The algorithm for calculating transfer function of a signal flow graph by Shannon Happ formula and Johnson method

作　　者：吕红宇[1] 吴重光[1] 

机构地区：[1]北京化工大学信息科学与技术学院,北京100029

出　　处：《北京化工大学学报（自然科学版）》2001年第3期57-60,共4页Journal of Beijing University of Chemical Technology(Natural Science Edition)

摘　　要：通过将Shannon Happ公式和Johnson方法相结合 ,介绍了一种计算系统信号流图传递函数规格化解析表达式的新算法。提出了使用回路添加手段形成回路组合的新方法。给出了算法实现的详细步骤、程序设计流程图和检验结果。A new algorithm routine for calculating Standardized System Transfer Function from Signal Flow Graph by combining Shannon Happ Formula with Johnson Method is introduced in this paper. A new method for generating the combinations of loops is developed for improving the efficiency of the algorithm. The details of the algorithm, flow chart of the program and test results are given. This novel algorithm greatly simplifies the program design needed for calculating Transfer Function from Signal Flow Graph and improves the total efficiency of the algorithm.

关 键 词：信号流图 传递函数 Shannon-Happ公式 Johnson方法 控制系统 图论 计算机辅助设计 

分 类 号：TP272.3[自动化与计算机技术—检测技术与自动化装置] O157.5[自动化与计算机技术—控制科学与工程]