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[솔루션] 제어공학 6판(Feedback control of dynamic system 6th edition, Gene F. …

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rectly. In most cases today, temperature is sensed electronically using,for
ture. Modern computer-based thermostats are programmable, sense the
so that temperature changes bend the metal. In some cases, the bending
2. Identify the physical principles and describe the operation of the thermo-
(e) Automatic steering of a ship:
by the consistency of the thick stock that ‡ows from the headbox onto the
cury to slide over electrical contacts. A bimetallic strip consists of two
W h i t e
the process output signal
T h i c k
Figure 1.1: A paper making machine From Karl Astrom, (1970, page 192)
C V

are attached to a bimetallic strip which tilt the tube and cause the mer-
101

m e t e r
listed in Problem 1 for
1.1. PROBLEMS AND SOLUTIONS 103
1.1 Problems and Solutions
(c) The water level controlled by a ‡oat and valve

S c r e e n s
reprinted with permission.
main parameters under feedback control: the density of …bers as controlled

다.

[솔루션] 제어공학 6판(Feedback control of dynamic system 6th edition, Gene F. Franklin, J. David Powell, Abb
w a t e r
1장부터 10장까지로 구성되어 있습니다.
m e t e r

c h e s t
(b) Drebbel’s incubator:
s t o c k
An Overview and Brief

from under the wire as controlled by a control valve (CV). A meter supplies
(그림은 게시판에 호환되지 않습니다.
(d) Watt’s steam engine with ‡y-ball governor
to the desired setting. Examples: Tubes …lled with liquid mercury
dryers. Stock from the machine chest is diluted by white water returning
M a c h i n e
(b) control of moisture
(b) Drebbel’s incubator
Control, 공학, 제어, 자동, 솔루션
순서
the sensor
the actuator

104CHAPTER 1. AN OVERVIEW AND BRIEF HISTORY OF FEEDBACK CONTROL
Notice that in a number of cases the same physical device may per-

Download : [솔루션] 제어공학 6판(Feedba.pdf( 64 )

The reference signal
C o n s i s t e n c y
[솔루션] 제어공학 6판(Feedback control of dynamic system 6th edition, Gene F. Franklin, J. David Powell, Abbas Emami-Naeini) 솔루션 입니다.
M o i s t u r e
102CHAPTER 1. AN OVERVIEW AND BRIEF HISTORY OF FEEDBACK CONTROL
setting is exceeded or not, and transmits the information to a furnace
레포트 > 공학,기술계열

A thermostat is a device for maintaining a temperature constant at a
3. A machine for making paper is diagrammed in Fig. 1.12. There are two
In each case, indicate the location of the elements listed below and
C o n t r o l l e r
a n d c l e a n e r s

1. Draw a component block diagram for each of the following feedback control

form more than one of these functions.

(a) A manual steering system for an automobile:
deviation from the desired value, determines whether the temperature
(a) The manual steering system of an automobile
stat in your home or o¢ ce.
c h e s t
give the units associated with each signal.
설명
Solution:
P r e s s e s R e e l
or air conditioner so that the termperature in the room is brought back
s e c t i o n

a reading of the consistency. At the “dry end”of the machine, there is a
Chapter 1
(a) Control of paper machine consistency:
strips of metal bonded together, each of a di¤erent expansion coe¢ cient
current from the thermistor and convert that to a digital signal.
systems.
the actuator output signal
History of Feedback Control
the process
(c) Water level regulator:
wire, and the moisture content of the …nal product that comes out of the
R e f i n e r
desired value. It is equipped with a temperature sensor which detects
H e a d b o x D r y i n g

of bimetallic strips simply cause electrical contacts to open or close di-

Solution:
1장의 연습문제 풀이를 발췌했습니다. 1장부터 10장까지로 구성되어 있습니다. 양해바랍니다.
Solution:
(a) control of consistency

example, a thermistor, a resistor whose resistance changes with tempera-
moisture sensor. Draw a signal graph and identify the seven components
W i r e
(d) Fly-ball governor:

(f) A public address system:
S t o r a g e
[솔루션] 제어공학 6판(Feedback control of dynamic system 6th edition, Gene F. Franklin, J. David Powell, Abbas Emami-Naeini) 솔루션 입니다.

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