ME5659_LecNotes_BlockDiagramAlgebra

# ME5659_LecNotes_BlockDiagramAlgebra - Basic Components The...

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2 Basic Components Basic Components • The concept of a transfer function for a linear time-invariant system was presented before. Transfer function is the ratio of the Laplace transform of the output variable to the Laplace transform of the input variable . •L e t X(s) be the Laplace transform of the input variable, Y(s) be that of the output variable, and G(s) be the transfer function. • One method of graphically denoting the relationship Y(s) = G(s) X(s) is through a block diagram, as shown below. The block represents a transfer function corresponding to a system’s mathematical model and the arrows represent signals (e.g., electrical voltage from a position sensor). Figure: block diagram G(s) X ( s ) Y ( s )

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3 Basic Components Basic Components • Many systems are composed of multiple sub- systems. When multiple subsystems are interconnected, a few more schematic elements must be added to the block diagram. • These new elements are
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## This note was uploaded on 05/26/2010 for the course ME 5659 taught by Professor Jalili during the Spring '10 term at Northeastern.

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ME5659_LecNotes_BlockDiagramAlgebra - Basic Components The...

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