2. For the negative feedback system below:R(s) +Y(s)12Ks+1s+4a) Find the range of K that makes the system stableb) Determine the value of K for which the system will have a pair of complex conjugate roots on theimaginary axis and find those roots

According to question: a) The range of 'K' that makes the system stable is calculated as Applying…

Answered: 2. For the negative feedback system…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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For the following unity feedback system with parabolic input r(t) = t2/2, then k(s+ 2) R(S) C(S) s(s +7s? + 12s) a) ess= 0 b) ess= 6/K c) ess= 0 d) ess= 3/K
QUESTION 4 Given the uncompensated unity feedback system in Figure 8 below. R(s) E(s)_ K s(s+1)(s+3) Figure 8 a) Design a compensator to yield the following specifications: settling time = 2:86 seconds, percentage overshoot = 4.32% and the steady-state error is to be improved by a factor of 2 over the uncompensated system (Assume the compensator zero to be at -1). b) Compare the transient and steady-state error specifications of the uncompensated and compensated systems. c) Compare the gains of the uncompensated and compensated systems.
A circuit is shown to the right. a. Is this an example of positive feedback or negative feedback? b. If the circuit is an amplifier, what is the gain and is it inverting or noninverting? If the circuit is a comparator calculate the threshold voltage. R2 5 ΚΩ mu + R1 3 ΚΩ ww OA V_in sine 1 kHz +12V -12V V out
An oscillator is built using a voltage amplifier with an inverting gain of magnitude A an input impedance rin = 10 kQ and an output impedance of ro = 100 2 (see Figure 6). The feedback loop T-network uses an inductor L = 10 µH and two capacitors C1 and C2. Design the circuit to oscillate at a frequency fo = 80 MHz knowing that in the lab there are only identical capacitors C = 1.5 nF. State any assumptions. ro C2 I rin -Avn C1 Vout Mn Figure 6
7-A type-1 plant is changed to type-2 feedback system by the following cascade control action (a)PD (b) PI (c) either PD or PI (d) neither PD nor PI 8- A unity feedback system has open loop poles at s = -2±j2, s = 0 and zero at s= -3. The angles of root locus asymptotes with real axis and point of intersection of the asymptotes are, respectively, (a) (60°, -60°, 180°) and -2/3 (b) (60°, -60°, 180°) and -3/2 (c) (45°, -45°, 180°) and -2/3 (d) (45°, -45°, 180°) and -3/4 9-The Nyquist plot of transfer function G H(s) of a closed-loop system is given in figure below, (a) the system is type-0 GH - plane (b) the system is type-1 Im I @=8 10-The dynamics of a system is of second order. The resonance peak of the frequency response is related to (a) Overshoot of time response (b) Damping ratio (c) Both (a) and (b) (d) None of above is correct (c) the system is type-2 (d) the system is type-3 Q.2/ Choose the correct answer for the following questions: 1- A state variable formulation of a system…
! Required information A certain unity-feedback system has the following open-loop system transfer function. K G (s) 53+6s²+5s NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Compute the phase and gain margins for K = 100. The phase margin is The gain margin is dB.
Circuits are shown to the right a. Is this an example of positive feedback or negative feedback? b. If the circuit is an amplifier, what is the gain and is it inverting or noninverting? If the circuit is a comparator calculate the threshold voltage. ANSWER EVERYTHING FOR UPVOTE THANK YOU R2 5 ΚΩ mm 1 R1 3 ΚΩ OA V_in sine 1 kHz +12V -12V R2 1 ΚΩ mm V out + 3 5 ΚΩ ww OA + R1 V_in sine 1 kHz +12V -12V R2 1 ΚΩ m V_out 2 R1 5 ΚΩ mm + OA V_in sine 1 kHz +12V -12V V_out
A feedback system has the closed loop transfer function shown below. Find K2 so that the settling time t,=0.2 seconds for a 1% tolerance. C(s) R(s) 100K1 20s(1 + 0.5s) + 100K1+(100)(20)K25
Consider following unity feedback system. R(s) + K(s + 3) C(s) s(s + 1)(s + 2)(s + 4) Determine - Root loci on real axis - Angle of asymptotes Centroid of asymptotes -
A unity feedback control system has an open-loop transfer function G (s) = The centroid of the asymptotes in root-locus will be K s(s+1)(s+2)(s+3)
B-6-8. Consider a unity-feedback control system with the following feedforward transfer function: G (s) = K s (s² + 4s + 8) Plot the root loci for the system.
A circuit is shown to the right. a. Is this an example of positive feedback or negative feedback? b. If the circuit is an amplifier, what is the gain and is it inverting or noninverting? If the circuit is a comparator calculate the threshold voltage R2 1 ΚΩ MM R1 5 ΚΩ MM OA + V_in sine 1 kHz +12V -12V V_out

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2. For the negative feedback system below: R(s) + Y(s) 1 2 K s+1 s+4 a) Find the range of K that makes the system stable b) Determine the value of K for which the system will have a pair of complex conjugate roots on the imaginary axis and find those roots