|
Preface |
v |
1 |
Basic Concepts |
1 |
|
Introduction |
1 |
|
Control Terminology |
1 |
|
Functioning of a Control System |
8 |
|
Examples of Closed-Loop Control Systems |
9 |
|
Problems |
12 |
2 |
Block Diagrams |
13 |
|
Introduction |
13 |
|
Definition of a Block Diagram |
14 |
|
Summing Point |
15 |
|
Takeoff Point |
16 |
|
Block Diagram Representation of an Equation |
16 |
|
Block Diagram Representation of Control Systems |
17 |
|
Transfer Functions |
19 |
|
General Transfer Function |
19 |
|
Transfer Function of a Closed-Loop System |
20 |
|
Comparison of Positive-Feedback and Negative-Feedback Systems |
22 |
|
Unity Feedback Systems |
28 |
|
Conversion to a Unity Feedback System |
28 |
|
Block Diagram Simplification |
29 |
|
Op-Amp Simulation of a Block Diagram |
34 |
|
Summing Point |
35 |
|
Summing Point with Adjustable SP Input |
36 |
|
Gain Block |
38 |
|
Constant-Gain (Noninverting) Block |
38 |
|
Constant-Gain (Inverting) Block |
41 |
|
Takeoff Point |
41 |
|
Summing Point with Multiple Inputs |
42 |
|
Problems |
50 |
3 |
Laplace Transforms |
54 |
|
Introduction |
54 |
|
Transformations |
54 |
|
Laplace Transform Integral |
55 |
|
Transform Notation |
56 |
|
Rules of Transformation |
56 |
|
Forward Transformation Procedure |
61 |
|
Inverse Transformation Procedure |
67 |
|
Partial-Fraction Expansion |
79 |
|
Distinct Roots |
80 |
|
Repeated Roots |
81 |
|
Applications of Laplace Transforms: Differential Equations |
88 |
|
Problems |
93 |
4 |
Mathematical Modeling |
97 |
|
Introduction |
97 |
|
Mathematical Model |
98 |
|
Nonlinear Behavior |
98 |
|
Transfer Functions |
99 |
|
Electrical Networks |
100 |
|
Resistor |
101 |
|
Capacitor |
101 |
|
Inductor |
102 |
|
Series RC Circuit |
103 |
|
Series RL Circuit |
105 |
|
Series RLC Circuit |
107 |
|
Mechanical Systems |
112 |
|
Mass |
112 |
|
Spring |
113 |
|
Damper |
113 |
|
Spring Mass Damper System |
114 |
|
Analogy Between Physical Systems |
116 |
|
Fluid Systems |
117 |
|
Single-Tank Fluid-Level System |
117 |
|
Two-Tank Fluid-Level System |
119 |
|
Thermal Systems |
122 |
|
Heating Systems |
123 |
|
Problems |
124 |
5 |
Transient Response |
127 |
|
Introduction |
127 |
|
Time Response |
127 |
|
Input Functions |
129 |
|
Step Function |
129 |
|
Pulse Function |
131 |
|
Impulse Function |
132 |
|
Delayed Impulse Function |
133 |
|
Ramp Function |
134 |
|
Sinusoidal Function |
134 |
|
Types of Transient Responses |
135 |
|
Overdamped Response |
135 |
|
Critically Damped Response |
136 |
|
Underdamped Response |
136 |
|
Constant Oscillations |
137 |
|
Increasing Oscillations |
137 |
|
Exponential Rise |
138 |
|
Transient Response Through Laplace Transformation |
138 |
|
Impulse Function Response |
144 |
|
Characteristic Equation |
148 |
|
Poles and Zeros of the Transfer Function |
151 |
|
s-Plane and Pole-Zero Map |
153 |
|
Pole Location and Transient Response |
155 |
|
Problems |
160 |
6 |
Frequency Response |
162 |
|
Introduction |
162 |
|
Methods Used for Frequency Response Representation |
164 |
|
Frequency Response Determination |
166 |
|
Problems |
186 |
7 |
Common Transfer Functions |
189 |
|
Introduction |
189 |
|
Common Blocks (Transfer Functions) |
191 |
|
Constant Block |
192 |
|
Time Response of a Constant TF |
195 |
|
Frequency Response of a Constant Block |
195 |
|
Integral Block |
198 |
|
Time Response of an Integral Block |
198 |
|
Frequency Response of an Integral Block |
200 |
|
Derivative Block |
203 |
|
Time Response of a Derivative Block |
204 |
|
Frequency Response of a Derivative Block |
204 |
|
The Relationship Between Integral and Derivative Blocks |
208 |
|
First-Order Lag Block |
208 |
|
Time Response to a Unit Step Input |
209 |
|
Frequency Response of a First-Order Lag Block |
213 |
|
First-Order Lead Block |
219 |
|
Time Response to a Unit Step Input |
220 |
|
Frequency Response of a First-Order Lead Block |
220 |
|
Second-Order Lag Block |
224 |
|
Time Response to a Unit Step Input |
225 |
|
Characteristics of Underdamped Response |
231 |
|
Frequency Response of a Second-Order Lag Block |
234 |
|
Second-Order Lead Block |
238 |
|
Time Response to a Unit Step Input |
240 |
|
Frequency Response of a Second-Order Lead Block |
240 |
|
Dead Time: Transportation Lag Block |
241 |
|
Time Response to a Unit Step Input |
243 |
|
Frequency Response of a Dead-Time Block |
243 |
|
Problems |
244 |
8 |
Stability |
248 |
|
Introduction |
248 |
|
Concept of Stability |
248 |
|
Stability and the Open-Loop Transfer Function |
252 |
|
Open-Loop Gain and Operating Frequency |
255 |
|
Stability from a Bode Plot |
259 |
|
Gain and Phase Margins |
261 |
|
Gain and Phase Crossover Frequencies |
261 |
|
Gain Margin (GM) |
261 |
|
Phase Margin (PM) |
263 |
|
Desired Gain and Phase Margins |
264 |
|
Stability from the Characteristic Equation |
269 |
|
Routh Criterion for Stability |
271 |
|
Root Locus Analysis |
278 |
|
Root Locus Through Matlab |
281 |
|
Problems |
288 |
9 |
Controllers: The On-Off Controller |
291 |
|
Introduction |
291 |
|
Role of a Controller |
291 |
|
Types of Controllers |
292 |
|
Use of a Percent as Input and Output |
293 |
|
Measured Value as a Percentage Value |
295 |
|
Set Point as a Percentage Value |
296 |
|
Error as a Percentage Value |
296 |
|
On-Off Control |
298 |
|
Types of On-Off Control |
298 |
|
Electronic Implementation (Analog) |
299 |
|
Two-Position Control |
303 |
|
Neutral Zone |
304 |
|
Controller Action |
306 |
|
Applications |
308 |
|
Electronic Implementation |
309 |
|
Multiposition (Floating) Control |
315 |
|
Problems |
315 |
10 |
Analog Controller I |
318 |
|
Introduction |
318 |
|
Proportional Controller (P) |
318 |
|
Transfer Characteristic |
319 |
|
Proportional Band |
321 |
|
Relationship Between Percent Output and Physical Controller Output |
322 |
|
Electronic Implementation |
326 |
|
Frequency Response of a Proportional Controller |
332 |
|
Proportional Control of a Closed Loop |
334 |
|
Steady-State Operation with Zero Error |
339 |
|
Proportional Controller with Offset |
346 |
|
Offset Voltage Adjustment |
346 |
|
Integral Controller (I) |
346 |
|
Electronic Implementation |
353 |
|
Limiting DC Gain |
354 |
|
Frequency Response of an Ideal Integral Controller |
355 |
|
Frequency Response of a DC Gain-Limited Integral Controller |
356 |
|
Derivative Controller (D) |
359 |
|
Electronic Implementation |
365 |
|
Frequency Response of a Derivative Controller |
366 |
|
Limiting High-Frequency Gain |
367 |
|
Problems |
375 |
11 |
Analog Controller II |
378 |
|
Introduction |
378 |
|
Composite Controller Modes |
378 |
|
Serial Implementation |
379 |
|
Parallel Implementation |
379 |
|
PI Controller |
380 |
|
Electronic Implementation of a PI Controller |
383 |
|
Frequency Response of a PI Controller |
384 |
|
PD Controller |
391 |
|
Electronic Implementation of a PD Controller |
393 |
|
Frequency Response of a PD Controller |
395 |
|
PID Controller |
400 |
|
Electronic Implementation |
410 |
|
Changing the Operating Mode |
412 |
|
Frequency Response of a PID Controller |
412 |
|
Problems |
417 |
12 |
Digital Controller |
420 |
|
Introduction |
420 |
|
Digital Controller |
421 |
|
Controller Sequence of Operation |
422 |
|
Considerations for Digital Control |
424 |
|
Digital Two-Position Control |
426 |
|
Sequence of Operation |
426 |
|
Microcontroller Implementation of a Two-Position Controller |
427 |
|
Digital PID Controller |
433 |
|
Analog PID Algorithm |
433 |
|
Digital PID Algorithm |
433 |
|
Zero-Order Hold (ZOH) |
435 |
|
Ideal Digital PID Algorithm |
440 |
|
Discrete PID Algorithm--BASIC Language |
440 |
|
Manual Control Mode |
442 |
|
Velocity Algorithm |
443 |
|
Improved Derivative Term |
444 |
|
Microcontroller Implementation of a PID Controller |
445 |
|
DC Motor Control |
445 |
|
Control Software Description |
448 |
|
Problems |
453 |
13 |
Fuzzy Controller |
455 |
|
Introduction |
455 |
|
Continuum World |
455 |
|
Conventional Logic |
457 |
|
Fuzzy Logic and Fuzzy Logic Terminology |
457 |
|
Fuzzy Control System |
475 |
|
Problem Identification |
476 |
|
Conceptual Design |
476 |
|
Problems |
487 |
14 |
Controller Tuning and System Design |
491 |
|
Introduction |
491 |
|
Performance Criteria |
492 |
|
Controller Tuning |
492 |
|
Controller Tuning: Known Plant Model |
493 |
|
Plant Model from Experimental Response Testing |
504 |
|
Step Response Test |
504 |
|
Graphical Analysis |
505 |
|
Login
| Complaints
| Blog
| Games
| Digital Media
| Souls
| Obituary
| Contact Us
| FAQ
CAN'T FIND WHAT YOU'RE LOOKING FOR? CLICK HERE!!!
You must be logged in to add to Wishlist
This item is in your Wish List
This item is in your Collection
This Item is in Your
Inventory
You must be logged in to review the products
Add
Elements of control systems, Finally, a book that fills the gap that other books leave empty! Most other textbooks on this subject were designed for students at the engineering lave! or for advanced students. This book was written for students just beginning their study of con, Elements of control systems to the inventory that you are selling on WonderClub
Add
Elements of control systems, Finally, a book that fills the gap that other books leave empty! Most other textbooks on this subject were designed for students at the engineering lave! or for advanced students. This book was written for students just beginning their study of con, Elements of control systems to your collection on WonderClub
| |