Consider the following system for L(s).
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Consider the following system for L(s).
S+1 L(s) = K s2 + 1 Sketch the Nyquist...
. S3 G(s) H (s) = K s2 + s-4 For the closed loop system use a Nyquist plot to, a. Classify the st...
. S3 G(s) H (s) = K s2 + s-4 For the closed loop system use a Nyquist plot to, a. Classify the stability of the system. b. Find the range of K for a stable system. (analytic by hand) c. Find the value of K for a marginally stable system. (analytic by hand)
. S3 G(s) H (s) = K s2 + s-4 For the closed loop system use a Nyquist plot to, a. Classify the stability of the...
Sketch the Nyquist plots of the following loop transfer functions L(S) = Gc(s)G(s), and determine whether...
Sketch the Nyquist plots of the following loop transfer functions L(S) = Gc(s)G(s), and determine whether the system is stable by applying the Nyquist criterion: KS + 1) (b) L(s) = G (9)G(s) = 318+) If the system is stable, find the maximum value for K by determining the point where the Nyquist plot crosses the u-axis.
1. Consider the usual unity-feedback closed-loop control system with a proportional-gain controll...
1. Consider the usual unity-feedback closed-loop control system with a proportional-gain controller Sketch (by hand) and fully label a Nyquist plot with K-1 for each of the plants listed below.Show all your work. Use the Nyquist plot to determine all values of K for which the closed-loop system is stable. Check your answers using the Routh-Hurwitz Stability Test. [15 marks] (a) P(s)-2 (b) P(s)-1s3 (c) P(s) -4-8 s+2 (s-2) (s+10)
1. Consider the usual unity-feedback closed-loop control system with a...
7. Consider the system with transfer function 100 G(s) = (s + 202 (a) Sketch the...
7. Consider the system with transfer function 100 G(s) = (s + 202 (a) Sketch the bode plot and Nyquist diagrams and determine the range of proportional closed loop gain K for stability. (b) What positive gain K will yield a phase margin of 30 degrees ?
Problem 4: Given L(s) = K(8 + 1) s(s+3) (a) Use method 2 to sketch the...
Problem 4: Given L(s) = K(8 + 1) s(s+3) (a) Use method 2 to sketch the Nyquist plot of L(s). Do not include the pole at s = 0 in the RHP contour (i.e. assume P = O unstable open-loop poles). Note: The Bode phase function is not monotonic, but you may still use method 2. (b) Using the Nyquist stability criterion, determine the range of positive K values that will result in closed-loop stability. (c) Repeat (a) and (b),...
Q.2 (10 marks) Consider the system shown in Fig.2 with K(5-3) H(s) = (s – 4)...
Q.2 (10 marks) Consider the system shown in Fig.2 with K(5-3) H(s) = (s – 4) (s+1)(s+2) (a) Sketch the root locus of the closed-loop system as the gain K varies from zero to infinity. (b) Based on the root locus, determine the range of K such that the system is stable and under-damped. (c) Determine the K value such that the closed-loop system is over-damped and stable. (d) Use MATLAB draw the root locus and confirm the root locus...
please do part D only the matlab. thank you 3. Consider the following system s(s2 +4s...
please do part D only the matlab. thank you
3. Consider the following system s(s2 +4s 13) (a) Draw the root locus. b) Use Routh's criterion to find the range of the gain K for which the closed-loop system is stable. (continued on next page) (c) The range of K for which the system is stable can also be obtained by finding a point of the root locus that crosses the Imaginary axis. When you have an Im-axis crossing, the...
Question# 1 (25 points) For a unity feedback system with open loop transfer function K(s+10)(s+20) (s+30)(s2-20s+2...
Question# 1 (25 points) For a unity feedback system with open loop transfer function K(s+10)(s+20) (s+30)(s2-20s+200) G(s) = Do the following using Matlab: a) Sketch the root locus. b) Find the range of gain, K that makes the system stable c) Find the value of K that yields a damping ratio of 0.707 for the system's closed-loop dominant poles. d) Obtain Ts, Tp, %OS for the closed loop system in part c). e) Find the value of K that yields...
4. Consider a unity-feedback control system with the following open-loop transfer function: G(s)3 Sketch a Nyquist...
4. Consider a unity-feedback control system with the following open-loop transfer function: G(s)3 Sketch a Nyquist plot of G(s) and examine the stability of the system.
Consider the following controller in a unity feedback configuration: (s + 10) C(s) = k· (s...
Consider the following controller in a unity feedback configuration: (s + 10) C(s) = k· (s + 5) (a) (by hand) Using an approximation for the plant P(s) a 11 S +2)(s2 + 5s + 25) determine the proper L(s) and sketch an accurate Root Locus plot (b) (by hand) Once you have established the Root Locus, determine the range of k values that guarantees closed-loop stability using the L(jw) method along with the Root Locus plot.
. S3 G(s) H (s) = K s2 + s-4 For the closed loop system use a Nyquist plot to, a. Classify the stability of the system. b. Find the range of K for a stable system. (analytic by hand) c. Find the value of K for a marginally stable system. (analytic by hand)
. S3 G(s) H (s) = K s2 + s-4 For the closed loop system use a Nyquist plot to, a. Classify the stability of the...
Sketch the Nyquist plots of the following loop transfer functions L(S) = Gc(s)G(s), and determine whether the system is stable by applying the Nyquist criterion: KS + 1) (b) L(s) = G (9)G(s) = 318+) If the system is stable, find the maximum value for K by determining the point where the Nyquist plot crosses the u-axis.
1. Consider the usual unity-feedback closed-loop control system with a proportional-gain controller Sketch (by hand) and fully label a Nyquist plot with K-1 for each of the plants listed below.Show all your work. Use the Nyquist plot to determine all values of K for which the closed-loop system is stable. Check your answers using the Routh-Hurwitz Stability Test. [15 marks] (a) P(s)-2 (b) P(s)-1s3 (c) P(s) -4-8 s+2 (s-2) (s+10)
1. Consider the usual unity-feedback closed-loop control system with a...
7. Consider the system with transfer function 100 G(s) = (s + 202 (a) Sketch the bode plot and Nyquist diagrams and determine the range of proportional closed loop gain K for stability. (b) What positive gain K will yield a phase margin of 30 degrees ?
Problem 4: Given L(s) = K(8 + 1) s(s+3) (a) Use method 2 to sketch the Nyquist plot of L(s). Do not include the pole at s = 0 in the RHP contour (i.e. assume P = O unstable open-loop poles). Note: The Bode phase function is not monotonic, but you may still use method 2. (b) Using the Nyquist stability criterion, determine the range of positive K values that will result in closed-loop stability. (c) Repeat (a) and (b),...
Q.2 (10 marks) Consider the system shown in Fig.2 with K(5-3) H(s) = (s – 4) (s+1)(s+2) (a) Sketch the root locus of the closed-loop system as the gain K varies from zero to infinity. (b) Based on the root locus, determine the range of K such that the system is stable and under-damped. (c) Determine the K value such that the closed-loop system is over-damped and stable. (d) Use MATLAB draw the root locus and confirm the root locus...
please do part D only the matlab. thank you
3. Consider the following system s(s2 +4s 13) (a) Draw the root locus. b) Use Routh's criterion to find the range of the gain K for which the closed-loop system is stable. (continued on next page) (c) The range of K for which the system is stable can also be obtained by finding a point of the root locus that crosses the Imaginary axis. When you have an Im-axis crossing, the...
Question# 1 (25 points) For a unity feedback system with open loop transfer function K(s+10)(s+20) (s+30)(s2-20s+200) G(s) = Do the following using Matlab: a) Sketch the root locus. b) Find the range of gain, K that makes the system stable c) Find the value of K that yields a damping ratio of 0.707 for the system's closed-loop dominant poles. d) Obtain Ts, Tp, %OS for the closed loop system in part c). e) Find the value of K that yields...
4. Consider a unity-feedback control system with the following open-loop transfer function: G(s)3 Sketch a Nyquist plot of G(s) and examine the stability of the system.
Consider the following controller in a unity feedback configuration: (s + 10) C(s) = k· (s + 5) (a) (by hand) Using an approximation for the plant P(s) a 11 S +2)(s2 + 5s + 25) determine the proper L(s) and sketch an accurate Root Locus plot (b) (by hand) Once you have established the Root Locus, determine the range of k values that guarantees closed-loop stability using the L(jw) method along with the Root Locus plot.
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