Find the gain k when complex roots have damping coeff (zeta) = 0.8, associated with s = -1.4+1.1j.
TF(s) = k(s+8)/[(s+6)(s+4)(s+9)] in a closed-loop system.
Find the gain k when complex roots have damping coeff (zeta) = 0.8, associated with s = -1.4+1.1j...
For the following system s+1 R(9) "0_*(*1) R(S) s2 + 64 s2 (32 +81) YM Y(S) S +11 (a) Plot the locus of closed-loop roots with respect to K. (b) Is there a value of K that will cause all complex pairs of closed-loop poles to have a damping ratio greater than 0.5? (c) Find the smallest value of K that yield at least one complex pair of closed-loop poles with the damping ratio 5 = 0.707. (d) Use Matlab...
Y(s) s216 s 128 R(s) k (s212 s52) (s 1) (s + 4) (s +8) We desire the dominant roots to have damping ratio equal to 0.5. For the dominant roots, Design the following parameters: Controller gain value Settling time, Percentage Overshoot and Rise time Check by MATLAB the above parameters and include the MATLAB results in your o report
Y(s) s216 s 128 R(s) k (s212 s52) (s 1) (s + 4) (s +8) We desire the dominant roots...
3. Consider the system shown below. For this system. G(s) s(s+1)(s 2) H(s)1 We assume that the value of the gain K is nonnegative. Sketch the root locus plot and determine the K value such that the damping ratio of a pair of dominant complex-conjugate closed-loop poles is 0.5. Ri)1 C(s)
3. Consider the system shown below. For this system. G(s) s(s+1)(s 2) H(s)1 We assume that the value of the gain K is nonnegative. Sketch the root locus plot...
G(s) Y(s) s+2 1. (25 points) A system has G(S) = 21ac11: (a) Find the two points that define each real-axis segment of the root locus. (b) Find the maximum value of the gain K for the closed-loop to be stable. If there are root loci that cross the imaginary axis, also find the corresponding frequency of the closed-loop roots that lie on the imaginary axis. (c) Find the angle of departure from the complex poles. (d) Find the location...
Let G,()+3s+5) , K-1 and Ge 1 I Determine the loop transfer function L(s)-KG.G. Use 'margin' command in matlab to generate the Bode Plot for L(s). (a) What are its gain and phase margins (these should be available in the plots). (b) Convert the gain margin in dB to absolute value. (c) For what value of the gain K would the closed loop system become marginally stable? (d) Show that, for this value of K, the closed loop system does...
Q.3(a) Transfer function model of a plant is, G(s) The controller is Ge(s)-K, where K is a constant. Find the value of K such that steady-state error for unit ramp input is 0.1. Find the gain margin and the phase mar gin (6 marks) (b) What are the effects on gain margin, phase margin and steady-state error, if the gain K is increased? (3 marks (c) Can the closed loop be unstable if the controller of Q.3(a) is implemented digi...
Problem #6: Applying Routh's Criterion, assume you have a gain K that you can tune for your system that gives the following characteristic polynomial 1+G(s) = 55+ 5s4 + 1053 + 10s2 + 5s +K a) Find the range of K that makes the system stable? b) Can use MATLAB to plot the roots onto a pole-zero map for several values of the ranges you determined in a), to show the system is in fact stable? Problem #7: Applying Routh's...
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...
Consider the automobile cruise-control system shown below: Engine ActuatorCarburetor 0.833 and load 40 3s +1 Compensator R(s)E(s) Ge(s) s +1 -t e(t) Sensor 0.03 1) Derive the closed-loop transfer function of V(s)/R(s) when Gc(s)-1 2) Derive the closed-loop transfer function of E(s)/R(s) when Ge(s)-1 3) Plot the time history of the error e(t) of the closed-loop system when r(t) is a unit step input. 4) Plot the root-loci of the uncompensated system (when Gc(s)-1). Mark the closed-loop complex poles on...
Please solve part b and c and d !!
Consider the closed loop system shown in Figure 4. The root locus of that system is shown in Figure 5 (s+40s+8) R(s) Y(s) Figure 4 System block diagram of Problem 4 a) On the root locus plot, sketch the region of possible roots of the dominant closed-loop poles such that the system response to a unit step has the following time domain specifications. [5] i. Damping ratio, 20.76 ii. Natural frequency,....