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Basics of Control Systems: Components, Applications, and Responses

Learn about the fundamental aspects of control systems including objectives, components, and application examples like Elevator Control and Antenna Positioning. Explore response characteristics and waveform tests used, with a focus on DC motors and Laplace Transformations.

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Basics of Control Systems: Components, Applications, and Responses

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  1. EEM 3117 Automatic Control Sezai Taskin, Ph.D. Assoc. Prof.

  2. Basic Ingredients of a Control System • 1. Objectives of Control • 2. Control System Components • 3. Results or Outputs

  3. Example of Control System Application

  4. Response CharacteristicsExample: Elevator

  5. Open-Loop Control Systems

  6. Closed-Loop Control Systems

  7. Feedback System

  8. Schematic diagram of a DC-Motor Control System

  9. https://www.youtube.com/watch?v=LAtPHANEfQo DC Motor, How it works?

  10. Antenna Azimuth Position Control System: System Concept

  11. Antenna Azimuth Position control System: Detailed Layout

  12. https://www.youtube.com/watch?v=EWguyxrMgQI

  13. Antenna Azimuth Position control System: Schematic

  14. Antenna Azimuth Position Control System: Functional Block Diagram

  15. Response of a Position Control System

  16. Test Waveforms Used in Control Systems

  17. Impulse • Infinite at t = 0 and zero elsewhere • Used for obtaining the transient response of the system and from this derive the mathematical model of the system

  18. Step • Represents a constant command • It is used, because both the transient response and the steady-state response are clearly visible and can be evaluated

  19. Ramp • Represents linearly increasing command

  20. Parabola • Similar to the previous case

  21. Sinusoid • Used to test a physical system to arrive at a mathematical model

  22. Example

  23. Answer • A = V0 (t)/Θi (t) = DV/10 =100/10 = 10 V/turn A

  24. Laplace Transform

  25. Inverse Laplace Transformation

  26. Laplace Transform Table

  27. Laplace Transform Theorems

  28. Laplace Transform Pairs

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