Solution Manual for Modern Control Systems, 14th Global Edition By Richard C. Dorf All Chapters 1-13, Complete

Solution Manual for Modern Control Systems,
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14th Global Edition By Richard C. Dorf
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Chapters 1 - 13, Complete
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,1. Introduction to Control Systems ............................................................ 1
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2. Mathematical Models of Systems......................................................... 20
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3. State Variable Models ........................................................................... 79
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4. Feedback Control System Characteristics.......................................... 126
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5. The Performance of Feedback Control Systems ............................. 166
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6. The Stability of Linear Feedback Systems ..................................... 216
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7. The Root Locus Method ................................................................... 257
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8. Frequency Response Methods ............................................................. 359
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9. Stability in the Frequency Domain .................................................. 420
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10. The Design of Feedback Control Systems ...................................... 492
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11. The Design of State Variable Feedback Systems .......................... 574
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12. Robust Control Systems ..................................................................... 633
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13. Digital Control Systems ..................................................................... 691
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,Introduction to Control Systems t t t




There are, in general, no unique solutions to the following exercises and
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problems. Other equally valid block diagrams may be submitted by the
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student.
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Exercises
E1.1 A microprocessor controlled laser system:
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Error Current ti(t)
Desired Power
t power - out
t output



Measured
t power




E1.2 A driver controlled cruise control system:
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Controller

Foot tpedal
Desired
Cartand Actual
Driver
t speed - tEngine
auto
t speed
Measurement



Visual tindication
Speedometer




E1.3 t tAlthough the principle of conservation of momentum explains much
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of the process of fly-casting, there does not exist a comprehensive scientific
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explanation of how a fly-fisher uses the small backward and forward mo-
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ttion of the fly rod to cast an almost weightless fly lure long distances
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(the
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1

, 2 CHAPTER t1 t t Introduction t to tControl tSystems


current world-record is 236 ft). The fly lure is attached to a short invisible
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leader about 15-ft long, which is in turn attached to a longer and thicker
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Dacron line. The objective is cast the fly lure to a distant spot with dead-
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eye accuracy so that the thicker part of the line touches the water first
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and then the fly gently settles on the water just as an insect might.
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Wind
Controller


Mind tand Actual
tbodytof tthe

fly
tof - tfly-fisher
t t cast t positio
n t of
tthe tfly




Measurement


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Visual tindication t
t of tthe tposition
tof t the tfly




E1.4 An autofocus camera control system:
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One-way ttrip ttime tfor tthe tbeam


Conversion tfactor
t1
t (speed t of t light t or
sound)


Distance tto tsubject
Emitter/



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Lens