ME369-系统模型、分折与控制 4.3信号流图 School of Mechanical Engineering ME369-Lecture 4.3 Shanghai Jiao Tong University Fall 2015 信号流图(signal-flow graph)的定义 图示法来描述线性代数方程 x2=x+ex; x3=2+4 X4=bx3 xs=dx,+cxa+gxs d g X3 School of Mechanical Engineering ME369-Lecture 4.3 Shanghai Jiao Tong University Fall 2015 11 ME369-Lecture 4.3 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University 4.3 信号流图 ME 369– 系统模型、分析与控制 ME369-Lecture 4.3 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University 信号流图(signal-flow graph)的定义 图示法来描述线性代数方程 2 1 3 3 2 4 4 3 5 2 4 5 x x ex x ax fx x bx x dx cx gx               