[例1]绘制信号流图（续）-求T℉ 1 1/R I/R I/C.s U,(s) I,(s) U,(8) I2(s) U(s) -1 School of Mechanical Engineering ME369-Lecture 4.3 Shanghai Jiao Tong University Fall 2015 例2]由方块图绘制信号流图 N(s) R(s) E(s) G() B(s) H(s) School of Mechanical Engineering ME369-Lecture 4.3 Shanghai Jiao Tong University Fall 2015 44 ME369-Lecture 4.3 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University [例1]绘制信号流图（续）--求TF ME369-Lecture 4.3 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University [Drawing a signal 例2]由方块图绘制信号流图 -flow graph : from a block diagram