11.20. Steady-State Errors
The steady-state error for a control system is defined as the difference between the desired output and the final value of the system. It is a measure of the accuracy of a control system.
Consider a simple closed-loop control system whose block diagram is as given in Figure 11.20:
Figure 11.20. Block Diagram for a Closed-Loop System
Here,
Hence, the steady-state error can be obtained using the final value theorem, ...
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