Block represents the mathematical operation on the incoming signal. Arrows are used to indicate the direction of signal flow. Also, a system can be represented by more than one type of a block diagram. Once represented, systems can be analyzed further for various parameters like stability, system gain, etc. It is the basic tool used for the mathematical modeling of the systems. The various points for analyzing and reduction of these units are explained below.
Basic Blocks in a Control System
The elements used for the connectivity in a block diagram are given as follows.
Block Diagram Algebra
When a number of blocks are connected in block diagram then overall transfer function can be obtained by block diagram reduction technique.
Rules for Block Diagram Reduction
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