Control system Transfer Function ( Time constant form)

AI Thread Summary
The time constant form of a transfer function is often preferred over the pole-zero form because it provides clearer insights into system dynamics, particularly in terms of response speed and stability. To find the DC gain of a closed-loop transfer function, one should evaluate the transfer function by setting s = 0. An example of a time constant form is a first-order system represented as G(s) = K / (τs + 1), where τ is the time constant. This form simplifies analysis and design, making it easier to understand system behavior. Overall, the time constant form enhances clarity in control system analysis.
lazyaditya
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Why is time constant form of transfer function in control system better than pole zero form ?

If a closed Loop transfer function is given to me how should i find D.C gain ?
 
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lazyaditya said:
Why is time constant form of transfer function in control system better than pole zero form ?

I don't know what you mean. Gie an example of a "time constant form of transfer function"..

If a closed Loop transfer function is given to me how should i find D.C gain ?

Set s = 0.
 

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