Control Systems Engineering
7th Edition
ISBN: 9781118170519
Author: Norman S. Nise
Publisher: WILEY
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Textbook Question
Chapter 12, Problem 16RQ
Under what conditions can inspection of the signal-flow graph of a system yield immediate determination of observability?
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Students have asked these similar questions
Q4) A particular control system yielded a steady state error of 0.20 for unit step input. A
unit integrator is cascaded to this system and unit ramp input is applied to this
modified system. What is the value of steady-state error for this modified system?
QUESTION 5
Consider the system whose block diagram is shown below.
D(s)
R(s) +
+
C(s)
K
G(s)
G(8)
R(s) is the reference input or target, and D(s) is the disturbance input. Gp(t) is the plant (house, motor, car,...) transfer function, Gc(t) is the compensator transfer function, and K is the compensator
gain given by
1
G (s)
G (s)
=
P
s+10
1
3s+2
and K=5.
Find the transfer function, C(s)/R(s).
3
s²+16s+14
8
3s²+32s+25
S
382+8+6
8(s+ 10)
3s² + 32s+25
3s+2
3s²+32s+25
5
3x²+32x+25
QUESTION 1
A vertical vibrating system of 5 kg of mass and 500 N/m of spring stiffness is
critically damped. The system is excited by a step input force f(t) = 50 N to
generate an output vertical motion y(t), in metres, and t-is the time in seconds.
1.1.
Determine the transfer function of the system
1.2.
Provide an equivalent block diagram with a unitary negative feedback to
control the motion y(t)
1.3.
Using s-plane, locate the closed loop pole(s) and zero (s) of the system
and provide the reasons of stability or non-stability of the system
1.4.
Using the technique of partial fractions, establish the analytical
expression of the time response of the vibrating system.
Chapter 12 Solutions
Control Systems Engineering
Ch. 12 - Prob. 1RQCh. 12 - Prob. 2RQCh. 12 - 3. Different signal-flow graphs can represent the...Ch. 12 - Prob. 4RQCh. 12 - Under what conditions can inspection of the...Ch. 12 - In order to determine controllability...Ch. 12 - Prob. 7RQCh. 12 - Prob. 8RQCh. 12 - Prob. 9RQCh. 12 - Prob. 10RQ
Ch. 12 - Prob. 11RQCh. 12 - Prob. 12RQCh. 12 - Prob. 13RQCh. 12 - Prob. 14RQCh. 12 - 15. In order to effect a complete observer design,...Ch. 12 - Under what conditions can inspection of the...Ch. 12 - 17. In order to determine observability...Ch. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - 3. The following open-loop transfer functions can...Ch. 12 - Prob. 4PCh. 12 - Prob. 5PCh. 12 - Prob. 6PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Prob. 10PCh. 12 - Prob. 11PCh. 12 - Prob. 12PCh. 12 - Prob. 13PCh. 12 - Prob. 14PCh. 12 - Prob. 15PCh. 12 - Repeat Problem 14 assuming that the plant is...Ch. 12 - The open-loop system of Problem 14 is represented...Ch. 12 - Prob. 18PCh. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - Prob. 26PCh. 12 - Prob. 27PCh. 12 - Prob. 29PCh. 12 - Prob. 30PCh. 12 - Prob. 31PCh. 12 - Prob. 32PCh. 12 - Prob. 33PCh. 12 - Prob. 41PCh. 12 - Prob. 42PCh. 12 - Prob. 44P
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