Lamar U.Lamar U.

SIGNAL FLOW GRAPHS SIGNAL FLOW GRAPHS

Lamar U.Lamar U. Signal Flow GraphsSignal Flow Graphs• The block diagram reduction method works well for relatively simple block diagrams, but it gets very confusing for more complicated models.

•A signal flow graph represents the same information as the block diagram, however it leads to a set of rules that allow a systematic approach to finding the overall input/output transfer function.

•The main steps are as follows:

Lamar U.Lamar U. Signal Flow GraphsSignal Flow Graphs

Lamar U.Lamar U. Signal Flow Graphs ExampleSignal Flow Graphs Example

Lamar U.Lamar U. DefinitionsDefinitions

Lamar U.Lamar U. Signal Flow GraphsSignal Flow Graphs

Lamar U.Lamar U. Mason’s FormulaMason’s Formula

Lamar U.Lamar U. Mason’s FormulaMason’s Formula

Lamar U.Lamar U. Mason’s FormulaMason’s Formula

Lamar U.Lamar U. Mason’s FormulaMason’s Formula

Lamar U.Lamar U. Mason’s FormulaMason’s Formula

Lamar U.Lamar U. Mason’s FormulaMason’s Formula

Lamar U.Lamar U. Mason’s FormulaMason’s Formula