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please can anyone tell me in detail, what's mean by open
loop and close loop?
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Answer Posted / akhil pawar
in open loop,op signal is not given to set point again,
means feedback is absent.so if op is not as we desird we
have to adjust it manually.
while in closed loop, op value is given to set point through
feedback path. when op value is given to set point , it
compare it and produce error signal which processes further
and desired value for op is adjusted autmatically.
in all modern control system, feedback is used.
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