1 / 36

Steady-State Errors

Steady-State Errors. System & Control Engineering Lab. School of Mechanical Engineering. CHAPTER OBJECTIVES. How to find the steady-state error for a unity feedback system How to specify a system’s steady-state error performance How to find the steady-state error for disturbance inputs

aliciahouston
Download Presentation

Steady-State Errors

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Steady-State Errors System & Control Engineering Lab. School of Mechanical Engineering

  2. CHAPTER OBJECTIVES • How to find the steady-state error for a unity feedback system • How to specify a system’s steady-state error performance • How to find the steady-state error for disturbance inputs • How to find the steady-state error for nonunity feedback systems

  3. DEFINITION AND TEST INPUTS

  4. Evaluating Steady-State Errors

  5. Evaluating Steady-State Errors

  6. Sources of Steady-State Error

  7. Sources of Steady-State Error Unity feedback system

  8. Steady-State Error for Unity Feedback Systems Final value theorem

  9. Steady-State Errors The closed-loop transfer function is The transfer function between the error signal and input signal is

  10. Steady-State Error for Unity Feedback Systems The steady-state error is

  11. Steady-State Error for Unity Feedback Systems: Step Input

  12. Steady-State Error for Unity Feedback Systems: Ramp Input

  13. Steady-State Error for Unity Feedback Systems: Parabolic Input

  14. Static Error Constants

  15. Static Error Constants

  16. Classification of Control Systems Open-loop transfer function Type 0,1,2…., if N=0,1,2……

  17. Classification of Control Systems Open-loop transfer function

  18. System Type

  19. Steady-State Error for Unity Feedback Systems: Ex

  20. Steady-State Error for Unity Feedback Systems: Ex

  21. Steady-State Error for Unity Feedback Systems: Ex

  22. Steady-State Error for Unity Feedback Systems: Ex

  23. Steady-State Error for Unity Feedback Systems: Ex

  24. Steady-State Error for Unity Feedback Systems: Ex

  25. Steady-State Error for Unity Feedback Systems: Ex

  26. Steady-State Error for Unity Feedback Systems: Ex

  27. Steady-State Error for Unity Feedback Systems: Ex

  28. Steady-State Error for Disturbances

  29. Steady-State Error for Disturbances

  30. Steady-State Error for Disturbances

  31. Steady-State Error for Disturbances

  32. Steady-State Error for Nonunity Feedback Systems

  33. Steady-State Error for Nonunity Feedback Systems

  34. Steady-State Error for Nonunity Feedback Systems

  35. Steady-State Error for Nonunity Feedback Systems

  36. Sensiivity

More Related