QUESTION 1 17 marks] Consider the following system: K(s 5) S+ 2 (s - 1)(s + 4) where K 2 0. Use a...
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...
QS. (a) A system has the transfer function 5+1 G(s) s'+33-10s - 24 Use the Routh-Hurwitz stability check to determine whether this system is stable or not stable, and state why. [10 marks] (b) Consider the system shown in Figure 5.1, where R(s) is the system input, Y(s) is the system output, K, represents a proportional controller, G(s)=- s? +45 +8 1 and - 5 R(5) Y(s) K G(s) H(s) ) Figure 5.1 Determine the range of values of the...
Consider the following system: where-0< K
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...
1. Given the unity feedback system, where K(s+1(s 2) 1)(s-4) G(s) do the following: (a) Find the root locus form. (b) Sketch the root locus. (c) Find the value of K such that the system is stable. (d) Find one value of K such that the closed-loop has a settling time less than or equal to 4 second and the percent of overshoot is less than or equal to 10 with the aid of MATLAB
1. Given the unity feedback...
Consider the following control system: R + Let G(s) s +23-3 and H(s) K where K is some positive constant. The transfer function H(s) can be considered a proportional feedback controller. (a) Examine the behavior of the system for different values of K. Try the values K 2, 4, 8. In each case, plot the pole-zero map of the closed-loop system and examine the step response. Comment on the stability of the system. Find the value of K for which...
Consider the following system for L(s).
S+1 L(s) = K s2 + 1 Sketch the Nyquist plot for K = 1 and determine the range of K for which the closed-loop system is stable.
IV. (5 pts). Given the feedback system shown below, with H)--1 and Gs) 5+α where a and K constants. Note that H(s) represents an unstable open-loop system. We are going to determine the value of the constants that make the overall closed-loop system stable. H(s) vu) x(t) wt) G(s) 0(s) a) Find the system function, Q(s), of the closed-loop system in terms ofa and K. A quick test that you probably got the right answer: ( ONMwm.→ b) Find the...
control system with observer
Consider the following system: -1-2-21 гг 1 0 1 L Where u is the system input and y is the measured output. 1. Find the transfer function of the system. 2. Design a state feedback controller with a full-state observer such that the step response of the closed loop system is second order dominant with an overshoot Mp settling time ts s 5 sec. Represent the observer-based control system in a compact state space form. 10%...
Question 6 The open-loop transfer function G(s) of a control system is given as G(8)- s(s+2)(s +5) A proportional controller is used to control the system as shown in Figure 6 below: Y(s) R(s) + G(s) Figure 6: A control system with a proportional controller a) Assume Hp(s) is a proportional controller with the transfer function H,(s) kp. Determine, using the Routh-Hurwitz Stability Criterion, the value of kp for which the closed-loop system in Figure 6 is marginally stable. (6...