Block Diagram Reduction


Learning Objectives:

  1. To be able to list assumptions used in block diagrams

  2. To recall basic definitions of block diagrams

  3. To be able to apply the 6 block diagram transformations  to reduce complex block diagrams to simple block diagrams.

Module Outlines:

  1. What are block diagrams, Definitions and assumptions.

  2. Block diagram transformation roles.

  3. Examples.


What are block diagrams

A block diagram is used to represent linear relationship between the input and the output of a subsystem.

lLet the input and the output be U and  Y, the relationship between U and Y is represented by a rectangular block having a transfer function G

Text Box: Y = G U
Text Box: U
Text Box: G