CONTROL SYSTEMS ENGINEERING
7th Edition
ISBN: 2819770197050
Author: NISE
Publisher: WILEY
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Chapter 1, Problem 2RQ
To determine
What are the advantages and disadvantages of the closed-loop system?
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The sketch below gives some details of the human heart at rest. What is the total power
requirement (work/time) for an artificial heart pump if we use a safety factor of 5 to allow for
inefficiencies, the need to operate the heart under stress, etc.? Assume blood has the
properties of water.
p pressure above
atmosphere
blood going to the
lungs for a fresh
charge of oxygen
p = 2.9 kPa
25v pulmonary artery
d = 25mm
fresh oxygenated blood
from the lungs
p = 1.0 kPa
vena cava
d=30mm
right
auricle
pulmonary vein,
d = 28mm
aorta, d=20mm
spent blood
returning from
left
auricle
the body
p = 0.66 kPa
right
left
ventricle
ventricle
blood to feed the
body, p 13 kPa
normal blood flow
= 90 ml/s
4- A horizontal Venturi meter is used to measure the flow rate of water through the piping system
of 20 cm I.D, where the diameter of throat in the meter is d₂ = 10 cm. The pressure at inlet is
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Take Cd = 0.98.
10
Chapter 1 Solutions
CONTROL SYSTEMS ENGINEERING
Ch. 1 - Prob. 1RQCh. 1 - Prob. 2RQCh. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - State one condition under which the error signal...Ch. 1 - Prob. 6RQCh. 1 - Name two advantages of having a computer in the...Ch. 1 - Name the three major design criteria for control...Ch. 1 - Prob. 9RQCh. 1 - Physically, what happens to a system that is...
Ch. 1 - Instability is attributable to what pan of the...Ch. 1 - Describe a typical control system analy sis task.Ch. 1 - Describe a typical control system design task.Ch. 1 - Prob. 14RQCh. 1 - Name three approaches to the mathematical modeling...Ch. 1 - Briefly describe each of your answers to Question...Ch. 1 - Prob. 1PCh. 1 - Prob. 2PCh. 1 - An aircraft's attitude varies in roll, pitch, and...Ch. 1 - We can build a control system that will...Ch. 1 - Prob. 5PCh. 1 - During a medical operation an anesthesiologist...Ch. 1 - Prob. 7PCh. 1 - Prob. 8PCh. 1 - The human eye has a biological control system that...Ch. 1 - A Segway ®5 Personal Transporter (PT) (Figure Pl...Ch. 1 - In humans, hormone levels, alertness, and core...Ch. 1 - Tactile feedback is an important component in the...Ch. 1 - Prob. 13PCh. 1 - Moored floating platforms are subject to external...Ch. 1 - In the Case Study of Section 1.4. an antenna...Ch. 1 - Figure Pl.5 shows the topology of a photo-voltaic...Ch. 1 - Prob. 17PCh. 1 - Prob. 18PCh. 1 - Prob. 19PCh. 1 - Prob. 20PCh. 1 - Prob. 21PCh. 1 - Contol of HIV/AIDS. As of 2012. the number of...Ch. 1 - Prob. 23PCh. 1 - Parabolic trough collector. A set of parabolic...
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