Table of contents |
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Control System Introduction |
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Open Loop & Closed Loop Systems |
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Closed Loop System OR Feedback System |
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Comparison Between Open Loop & Closed Loop System |
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Advantages:
(a) Simple and economic
(b) No stability problem
Disadvantages :
(a) Inaccurate
(b) Unreliable
(c) The effect of parameter variation and external noise is more.
Note:
Examples of Closed Loop Systems are:
Advantages
(a) Accurate and reliable.
(b) Reduces effect of parameter variations.
(c) Bandwidth of the system can be increased.
(d) Reduces effect of non-linearities
Disadvantages
(a) The system is complex and costly.
(b) System may become unstable.
(c) Gain of the system reduced with negative feedback.
Closed Loop System
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2 videos|75 docs|37 tests
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