OPEN LOOP SYSTEM vs CLOSE LOOP SYSTEM

OPEN LOOP SYSTEM vs CLOSE LOOP SYSTEM

Open loop system	Close loop system
The open loop systems are simple & economical	The closed loop systems are complex and costlier
They consume less power	They consume more power
Easier to build	Difficult to build
If calibration is good, they perform accurately	They are accurate because of feedback
OL systems are generally more stable	CL systems are less stable
Optimization is not possible	Optimization is possible
These are not reliable	These are reliable
Easy to regulate	Ability to correct error
There is no feedback	Feedback is always present