Closed-Loop Control System - IES Academy
Closed-Loop Control System - IES Academy
Closed-Loop Control System - IES Academy
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India’s No 1<br />
<strong>Control</strong> <strong>System</strong><br />
<strong>IES</strong> <strong>Academy</strong> Chapter 1<br />
ω<br />
14 sinωt<br />
2 2<br />
s +ω<br />
−αt<br />
15 e cosωt<br />
−αt<br />
16 e sinωt<br />
17 sin hα<br />
t<br />
18 cos hα<br />
t<br />
s + α<br />
( ) 2 2<br />
s + α + ω<br />
ω<br />
( ) 2 2<br />
s + α + ω<br />
α<br />
2 2<br />
s −α<br />
s<br />
2 2<br />
s −α<br />
9. Summary<br />
1. Open loop control system no feedback used.<br />
2. In closed loop control system we used feedback.<br />
3. Open loop system is more stable.<br />
4. <strong>Closed</strong> loop system is more accurate.<br />
5. Final value theorem can not used if denominators of SF(S) have real part as a zero or<br />
positive.<br />
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