describe block diagram reduction
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The concepts discussed in the previous chapter are helpful for reducing (simplifying) the block diagrams.
Block Diagram Reduction Rules
Follow these rules for simplifying (reducing) the block diagram, which is having many blocks, summing points and take-off points.
Rule 1 − Check for the blocks connected in series and simplify.
Rule 2 − Check for the blocks connected in parallel and simplify.
Rule 3 − Check for the blocks connected in feedback loop and simplify.
Rule 4 − If there is difficulty with take-off point while simplifying, shift it towards right.
Rule 5 − If there is difficulty with summing point while simplifying, shift it towards left.
Rule 6 − Repeat the above steps till you get the simplified form, i.e., single block.
Block Diagram Reduction Rules
Follow these rules for simplifying (reducing) the block diagram, which is having many blocks, summing points and take-off points.
Rule 1 − Check for the blocks connected in series and simplify.
Rule 2 − Check for the blocks connected in parallel and simplify.
Rule 3 − Check for the blocks connected in feedback loop and simplify.
Rule 4 − If there is difficulty with take-off point while simplifying, shift it towards right.
Rule 5 − If there is difficulty with summing point while simplifying, shift it towards left.
Rule 6 − Repeat the above steps till you get the simplified form, i.e., single block.
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