First see the following image for some basic steps.Then run the
given code in matlab script and wait for 1-2 minute to get the
desired Nyquist plot.
%% Matlab code goes from here
clc;
clear;
% command for transfer function
G=tf([2],[1,3,2])
% command for plotting nyquist plot
nyquist(G)
Using MATLAB/SIMULINK Question 1 Plot a Nyquist diagram for the transfer function below. Question 1 Plot a Nyquist diagram for the transfer function below.
Draw the Nyquist plot using the bode plot below.
G(s)=1/(s+1)^2
1. Draw the Nyquist plot using the bode plot below. G(s)-1/(s+1)*2 Bode Diagram 0 -20 9 .40 -60 -80 -100 .45 -90 -135 180 10 10 10 10 Frequency (rad/sec)
Q4. (a) Reduce the block diagram shown in Figure Q4a to a single mathematical expression suitable for implementation in MATLAB. Each letter represents a transfer function in the s-domain. (10) G1 G2 G3 G4 G5 G6 Figure Q4a (b) Describe the process of generating the Nyquist plot. (c) Discuss how you would investigate the stability of a control system using the Nyquist plot and gain and phase margins of stability. (7) Q4 Total Marks [25] educe the block diagram shown...
Following transfer functions are given, manually plot the Nyquist diagram and straight line approximation of Bode diagram, discuss the system stability G(s)- 3s2 +8s +6 Show all step by step working out to get to final answer as shown below: Nyquist Diagram Nyquist Diagram -2 15 225 Ren Aus Reel Ai: Bode Daaram Dode Dagran 135 4% 10 Freq eney (as 10 Fraquenes (radie ysrom is stable System is stable
(9) Draw a Nyquist plot of the following open-loop transfer function, and determine whether the closed-loop system is stable by using the Nyquist stability criterion. (12 points) Go)HG)(45+8)
(9) Draw a Nyquist plot of the following open-loop transfer function, and determine whether the closed-loop system is stable by using the Nyquist stability criterion. (12 points) Go)HG)(45+8)
transfer function is G(s)
you will sketch a polar plot(nyquist plot)
what figure is right with explanation?? a or b
[?? 3] (10?) ???? G(s) = e-7s ? Polar plot (Nyquist plot)??? ??? ? ?? ??? ?? ?? ??? ??? ??? ?????. im Im 7 0 Re Re ?=0 co crease 0
Question #2 ( 25 points) C(s) a) Reduce the block diagram shown in Figure 1 to a single transfer function T(s) =R) using the append and connect commands in MATLAB. pts b) Using Simulink simulate the transfer obtained in a) for a step input. c) Obtain the state-space representation of T(s). [10 [5 pts [10 pts] C(s) Ris 50 s+I 2 Figure 1 -Irt
Question #2 ( 25 points) C(s) a) Reduce the block diagram shown in Figure 1 to...
4. (10 points) For the feedback system with open loop transfer function 16/3 a. (6 pts) Draw the Root Locus and Nyquist plot of the system with no 16/3 S41 Using Nyquist stability criterion, find the critical value of the delay. b. (4 pts)
4. (10 points) For the feedback system with open loop transfer function 16/3 a. (6 pts) Draw the Root Locus and Nyquist plot of the system with no 16/3 S41 Using Nyquist stability criterion, find the...
The open loop transfer function of an electro-mechanical system with unity feedback is: 24K G(s) S(s+2)(s +6) The Nyquist diagram of G(s) has a shape similar to the one shown below Nyquist diagram Cl When K -1, calculate both the frequency and the gain at which the plot crosses the real axis Hence state the gain margin or critical gain Kc for this system. If K is chosen as K-0.2Kc, show that the gain G(jo) l at a frequency ω-1.308...
1) Write a Matlab program for the following block diagram: a) to derive its closed-loop transfer function. b) to find and plot the poles-zeros of closed-loop transfer function. s+2s+3 R(s) → Y(s) 2s+3 2 +2s +5 15 Automatic Control Systen
1) Write a Matlab program for the following block diagram: a) to derive its closed-loop transfer function. b) to find and plot the poles-zeros of closed-loop transfer function. s+2s+3 R(s) → Y(s) 2s+3 2 +2s +5 15 Automatic Control Systen
6. Draw the Nyquist plot for the system with following loop transfer function (a) G(s)H(s) = 112 82+16