Electrical Engineering ⇒ Topic : Continuous Time Signals
CONTINUOUS TIME SIGNALS
If a signal is defined at all values of t, where t is a continuous variable, the signal is known as a continuous time signal. Figure (a) shows a continuous time signal
Figure (a) Continuous signal.
The signal shown in Figure (a) is continuous in time as well as in amplitude. Figure (b) shows a signal which is continuous in time but discrete in amplitude
Figure (b) Continuous in time but discrete in amplitude.
Time Response of control system:-
Delay time It is the time required for the Response to reach line half the final value.
Rise time It is the time required for the response to rise from 10 to 90% of its final value.
Peak time It is the time required for the response to reach the first peak of the overshoot.
Maximum overshoot It is the maximum value of the response curve measured from unity.
Overshoot It is the maximum difference between the transient and steady state solutions for unit-step function input.
Settling time It is the time required for the response to a unit-step function input to reach and remain within a specified percentage of its final value.
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