ME369 Modeling,Analysis and System Control-A --Lecture 141015 Week 5# Ch2.1~ Oct.13(M) Transfer function,block diagram HW2 due 2.3 Signal Flow Graphs Ch3.9, Oct.15(W) Linearization 3.10(4h) HW3 Week 6# Oct.20(M) Quiz 1 Ch5.1, Transient,first order systems 5.2 Oct.22(W) Transient,second order systems Ch5.3
ME369 Modeling, Analysis and System Control-A --Lecture_141015 Week 5# Oct.13(M) Transfer function, block diagram Ch2.1 ~ 2.3 HW2 due Oct.15(W) Signal Flow Graphs Linearization Ch3.9, 3.10 (4th ) HW3 Week 6# Oct.20(M) Quiz 1 Transient, first order systems Ch5.1, 5.2 Oct.22(W) Transient, second order systems Ch5.3
Problems of HW3 ·Refer to the ftp site. ftp://public.sjtu.edu.cn ·User:yuanjj ·Password:public DUE:Oct.25(F)
Problems of HW3 • Refer to the ftp site. • ftp://public.sjtu.edu.cn • User: yuanjj • Password: public DUE: Oct. 25 (F)
Signal Flow Graph A Visual tool to represent the causal relationships between the components of the system. Characterizing the system by a network of directed branches and associated gains (transfer function) connected at nodes. .Signal flow graph is equivalent to Block diagram. .Effective in complex system reduction
Signal Flow Graph • A Visual tool to represent the causal relationships between the components of the system. • Characterizing the system by a network of directed branches and associated gains (transfer function) connected at nodes. •Signal flow graph is equivalent to Block diagram. •Effective in complex system reduction
Signal Flow Graph Definition: .Node:A node is a point representing a variable or signal. Transmittance:The Transmittance is a real gain or complex gain can be expressed in terms of the transfer function between two nodes. .Branch:A Branch is a directed line segment joining two nodes. G3 G G2 GA GA 日96
Signal Flow Graph Definition: •Node : A node is a point representing a variable or signal. •Branch: A Branch is a directed line segment joining two nodes. •Transmittance : The Transmittance is a real gain or complex gain can be expressed in terms of the transfer function between two nodes
Signal Flow Graph .Input Node or source:A node that has only outgoing branches.This corresponds to an independent variable. .Output node or sink:A node that has only incoming branches.This corresponds to an dependent variable. .Mixed node:A node that has both incoming and outgoing branches. G3 G GA GA 日96
Signal Flow Graph •Input Node or source : A node that has only outgoing branches. This corresponds to an independent variable. •Output node or sink: A node that has only incoming branches. This corresponds to an dependent variable. •Mixed node: A node that has both incoming and outgoing branches