Microcontroller Based Applied Digital Control

1. INTRODUCTION.

1.1 The Idea Of System Control.

1.2 Computer In The Loop.

1.3 Centralized And Distributed Control Systems.

1.4 SCADA Systems.

1.5 Hardware Requirements For Computer Control.

1.6 Software Requirements For Computer Control.

1.7 Sensors Used In Computer Control.

1.8 Exercises.

2. SYSTEM MODELLING.

2.1 Mechanical Systems.

2.2 Electrical Systems.

2.3 Electromechanical Systems.

2.4 Fluid Systems.

2.5 Thermal Systems.

2.6 Exercises.

3. THE PIC MICROCONTROLLER.

3.1 The PIC Family.

3.2 Minimum PIC Configuration.

3.3 Some Popular PIC Microcontrollers.

3.4 Exercises.

4. PROGRAMMING PIC MICROCONTROLLERS.

4.1 PICC Lite Variable Types.

4.2 Variables.

4.3 Comments In Programs.

4.4 Storing Variables In The Program Memory.

4.5 Static Variables.

4.6 Volatile Variables.

4.7 Persistent Variables.

4.8 Absolute Address Variables.

4.9 Bank1 Qualifier.

4.10 Arrays.

4.11 ASCII Constants.

4.12 Arithmetic And Logic Operations.

4.13 Number Bases.

4.14 Structures.

4.15 Program Flow Control.

4.16 Functions In C.

4.17 Pointers In C.

4.18 Preprocessor Commands.

4.19 Accessing The EEPROM Memory.

4.20 Interrupts In C.

4.21 Delays In C Programs.

4.22 Structure Of A C Program.

4.23 PIC Microcontroller Input-Output Interface.

4.24 Exercises.

5. MICROCONTROLLER PROJECT DEVELOPMENT.

5.1 Hardware And Software Requirements.

5.2 Program Development Tool.

5.3 Exercises.

6. SAMPLED DATA SYSTEMS AND THE Z-TRANSFORM.

6.1 The Sampling Process.

6.2 Pulse Transfer Function And Manipulation Of Block Diagrams.

6.3 Exercises.

7. SYSTEM TIME RESPONSE CHARACTERISTICS.

7.1 Time Response Comparison.

7.2 Time Domain Specifications.

7.3 Mapping The s-plane Into Z-plane.

7.4 Damping Ration And Undamped Natural Frequency In The Z-plane.

7.5 Damping Ratio And Undamped Natural Frequency Using Formulae.

7.6 Exercises.

8. SYSTEM STABILITY.

8.1 Factorizing The Characteristic Equation.

8.2 Jury’s Stability Test.

8.3 Routh-Hurwitz Criterion.

8.4 Root Locus.

8.5 Nyquist Criterion.

8.6 Bode Diagrams.

8.7 Exercises.

9. DISCRETE CONTROLLER DESIGN.

9.1 Digital Controllers.

9.2 PIC Control.

9.3 Exercises.

10. CONTROLLER REALIZATIONS.

10.1 Direct Structure.

10.2 Cascade Realization.

10.3 Parallel Realization.

10.4 PID Controller Realizations.

10.5 Microcontroller Implementations.

10.6 Choice Of Sampling Interval.

10.7 Exercises.

11. A CASE STUDY – LIQUID LEVEL DIGITAL CONTROL SYSTEM.

11.1 The System Schematic.

11.2 System Model.

11.3 Identification Of The System.

11.4 Designing A Controller.

11.5 Conclusions.

APPENDIX A: TABLE OF Z-TRANSFORMS.

APPENDIX B: MATLAB TUTORIAL.

Index.