!! !! !! !! !!
14th Global Edition By Richard C. Dorf
!! !! !! !! !! !!
Chapters 1 - 13, Complete
!! !! !! !!
,T !! !! A !! !! B !! !! L ! ! E !! !! - !! !! O !! !! F ! ! - !! !! C
! ! O !! !! N !! !! T !! !! E !! !! N !! !! T ! ! S
1. Introduction !! to !! Control !! Systems ..................................................... 1
2. Mathematical ! ! Models ! ! of ! ! Systems .............................................. 20
3. State ! ! Variable ! ! Models ................................................................. 79
4. Feedback !!Control !!System !!Characteristics ..................................... 126
5. The ! ! Performance ! ! of ! ! Feedback ! ! Control ! ! Systems .............. 166
6. The ! ! Stability ! ! of ! ! Linear ! ! Feedback ! ! Systems ................... 216
7. The ! ! Root ! ! Locus ! ! Method ...................................................... 257
8. Frequency ! ! Response ! ! Methods .................................................... 359
9. Stability ! ! in ! ! the ! ! Frequency ! ! Domain.................................... 420
10. The ! ! Design ! ! of ! ! Feedback ! ! Control ! ! Systems ...................... 492
11. The ! ! Design ! ! of ! ! State ! ! Variable ! ! Feedback ! ! Systems ........ 574
12. Robust !!Control !! Systems ................................................................ 633
13. Digital ! ! Control ! ! Systems ............................................................... 691
, C !! !! H ! ! A ! ! P !! !! T
! ! E !! !! R 1
Introduction to Control Systems !! !! ! !
There !!are, !!in !!general, !!no !!unique !!solutions !!to !!the !!following
!!exercises !!and !!problems. !!Other !!equally !!valid !!block !!diagrams !!may !!be
!!submitted !!by !!the !!student.
Exercises
E1.1 A !!microprocessor !!controlled !!laser !!system:
Error Current !!i(t)
Desired Power
! ! pow - out
er
! ! outp
ut Measured
! ! power
E1.2 A ! ! driver ! ! controlled ! ! cruise ! ! control ! ! system:
Controller
Foot !!pedal
Desired
Car Actual
Driver
! ! spe - !!and auto
! ! speed
ed
Measurement !!Engin
Speedometer
Visual !!indication
of
!!speed
E1.3 ! ! ! ! Although ! ! the ! ! principle ! ! of ! ! conservation ! ! of ! ! momentum
!! explains ! ! much ! ! of !!the !!process !!of !!fly-casting, !!there !!does !!not !!exist
!!a !!comprehensive !!scientific !!explanation !!of !!how !!a !!fly-fisher !!uses !!the
!!small !!backward !!and !!forward !!mo- ! ! tion ! ! of ! ! the ! ! fly ! ! rod ! ! to ! ! cast
! ! an ! ! almost ! ! weightless ! ! fly ! ! lure ! ! long ! ! distances ! ! (the
1
, 2 CHAPTER !! 1 !! !! Introduction !! to !! Control !! Systems
current !!world-record !!is !!236 !!ft). !!The !!fly !!lure !!is !!attached !!to !!a !!short
!!invisible !!leader !!about !!15-ft !!long, !!which !!is !!in !!turn !!attached !!to !! a
!!longer !!and !!thicker !!Dacron !!line. !!The !!objective !!is !!cast !!the !!fly !!lure
!!to !!a !!distant !!spot !!with !! dead- !!eye !!accuracy !!so !! that !! the !!thicker !!part
!!of !!the !!line !!touches !!the !!water !!first !!and !!then !!the !!fly !!gently !!settles
!!on !!the !! water !!just !!as !!an !!insect !!might.
Wind
Controller
Mind !!and Actual
fly
!!of - !!body !!of
!!the !!fly-
! ! posit
ion
!! ! ! of
fisher !!the
!!fly
Measurement
!! of
Visual !!
!!indication
! ! of !!the
!!position !!of
E1.4 An ! !autofocus !! camera ! ! control ! ! system:
One-way !!trip !!time !!for !!the !!beam
Conversion !!factor
!!1
! ! (speed !!of
!!light !!or
sound)
Emitter/
Distance !!to !!subject
!!
Lens