BLOCK DIAGRAM REDUCTION SOLVED PROBLEMS - Part2
In this video, with the help of block diagram reduction techniques, two problems have been solved.
Block diagrams of some of the systems turn out to be complex, such that the evaluation of their performance required simplification (or reduction) of block diagrams which is carried out by block diagram rearrangements.
A block diagram of a system is a pictorial representation of the functions performed by each component of the system and shows the flow of signals.
BLOCK:
It indicates the function of particular system. R(s) is the reference or controlling variable.
G(s) is the transfer function of the particular system.C(s) is output or controlled variable.
SUMMING POINT:
It is used to add or subtract one or more signals. + indicates the add or subtract function. + indicates the signal is added to reference signal. -indicates the signal is subtracted to reference signal. It is called negative feedback. The signal which is added or subtracted to the reference signal is called feedback signal.
TAKE OF POINT
Some of the signal at the top are bypass and it is given to other block for further performance.
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