Describe open and closed loop control systems. explain, Ask an Expert

Engineering

1. Describe open and closed loop control systems. describe differentiation between time varying and time invariant control system with appropriate ex

2. Derive Transfer Function of the subsequent diagram using signal flow graph.

1605_signal flow graph3.jpg

3. Consider characteristic equation; find out stability of the system with Routh Hurwitz criterion

S6 + S5 + 6s4 + 5s3 + 10s2 + 5s + 5

4. Find out the stability of the closed-loop transfer function

1732_closed loop.jpg

5. The frequency response of the plant transfer function H(s) may be found by evaluating the following:

M = |H(s)|_s= _jw and Φ = arg|H(s)|_s= _jw

Where M is the magnitude and is the phase shift. Find out the frequency response assuming the following transfer function.

a) Draw magnitude response in the space provided. Mention the frequency and magnitude on graph
b) Exemplify the effects of individual pole and zeroes response in the semi log graph
c) Elucidate magnitude response of zero

1213_magnitude respose.jpg

1478_magnitude response_2.jpg

6. Find out the transfer function using block diagram reduction technique

283_block reduction technque.jpg

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M9607

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