Question

Sketch the root locus of the given unity feedback system G(s) =
(s+1)/(s^(2) (s-1)) show Ga and Oa on the plot

Answer #1

Ex. 445. G(s)=k(s+7)/(s(s+12)(s+17)) is the FTF of a unity-
feedback closed-loop system. Sketch the root locus with respect to k. Determine
the number of asymptotes, N. Determine the angle, A, in degrees between the
asymptotes. Determine the angles, [B,C], in degrees of the asymptotes (let B<C).
Asymptote angles: -180<angle<0 and 0<angle<=180
Determine the asymptote centroid, s=D. Answers: N,A,B,C, and D. ans:5

Consider the system show
get the k values for root locus lead compensator
g(s)=4/(s+1)(s+4)

G(s) = K / s(s+4) (s+5)
H(s) =1, Calculate the value for K and sketch the root locus as K
moves from zero to infinity. What are the seven steps to plotting
the root locus of any feedback system.

Hey, need to solve root locus, find k, kp, and e(infinity), hand
sketch root locus (no need fance Matlab unless you want too).
G(S)H(s)= (s+4)(s+3) / (s+1)(s+2)

For the standard negative feedback loop P(s) = 1/(s+1), C(s) =
K, F(s) = 1 unity feedback, For the standard negative feedback loop
P(s) = 1/(s+1), C(s) = K, F(s) = 1 unity feedback, is it possible
to tune the controller gain K so that the steady-state error e to
step input disturbances DX is 0?
Always.
Never.
Yes, when K > 0.
Yes, when K > 1.
None of the above.
Yes, when K > 0. is WRONG

A) Can P-controlled firs order unity feedback system show
oscillatory response to a step input? Explain your reasoning the
possible values the poles can have.
B) Now assume the system is not unity feedback. Consider a 1st
order sensor transfer function at least two times faster than the
original system. If this system is P-controlled, can it exhibit
oscillatory response to a step input? Explain your reasoning
Solve urgent

Sketch the Nyquist plot based on the Bode plots for following
system using MATLAB. Make sure it crosses the real axis at the
right spot(correct number of -1 encirclements and goes off to
infinity in the correct direction). Using the plot estimate the
range of K for which system is stable, and qualitatively verify
result by using sketch of a root locus plot.
GH(s)=K*(0.5s+1)*(s+1)/(10s+1)/(s-1)

The transfer function for a SISO system is given as
follows:
G(s)=
(s2+2s+10)/(s4+5s3+8s2+3s+12)
1 Is the open loop system stable? Draw pole zero map of the
system. What is the steady
state response of this system for a unit step input?
2 When unit feedback (Kp= 1) is implemented on this
system, write down the closed loop
transfer function. Draw pole-zero map. Is the system stable with
this type of control law?
3 Find all possible proportional controller gains (Kp)...

Calculate the standard enthalpy of formation of Ga2H6(g) (in
kJ/mol) from the following data:
2 Ga(s) + 3/2 O2(g)-->Ga2O3(s). ΔHo = –1188
kJ/mol
Ga2H6(g) + 3 O2(g)-->Ga2O3(s) + 3 H2O(l). ΔHo = –2158 kJ/mol
H2(g) + 1/2 O2(g)--> H2O(g) ΔHo = –242 kJ/mol
H2O(l)-->H2O(g) ΔHo = +44 kJ/mol
2 Ga(s) + 3 H2(g)-->Ga2H6(g). ΔHo = ? kJ/mol

find the domain, sketch and sketch the level curve ofsquare root
of 2x-y^2 +1

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