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Differentiate between open loop and closed loop control system.
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written 8.3 years ago by |
Sr.no | Point of Difference | Closed loop control system | Open loop control system |
---|---|---|---|
1 | Definition | Change in output affects input | No change in input with change in output |
2 | Feedback loop | Present | Not Present |
3 | Error Correction | Possible | Not possible |
4 | Accuracy | Very accurate | Inaccurate |
5 | Bandwidth | Large | Small |
6 | Stability | Stability should be considered during designing | Stable |
7 | Construction | Complex | Simple |
8 | Sensitivity to noise | Less sensitive | Highly sensitive |
9 | Effect of non linearities | Effect is reduced | Highly affected |
10 | Block Diagram | ||
11 | Examples | Missile launching system, Voltage stabilizer | Water sprinkler, Traffic light controller. |