"Design and development of a new methodology to optimize the PID linear and non linear compensators for the control of analog and digital SMPS DC-DC converters in mobile phones". Internship in ST-Ericsson (Grenoble-France) for 6 month during my International Master at Joseph Fourier University in 2009. Mohamad EL ACHKAR.

1. Study & Development of Automated Optimization Tool for Tuning PID Controllers in DC/DC Converters

2. Presentation Outline

3. Presentation Outline

4. About The Enterprise

5. About The Enterprise

6. Context of The Internship

7. Context of The Internship

8. Digital SMPS In Portable Applications

9. Digital SMPS In Portable Applications

10. Why Digital Control in DC/DC SMPS?

11. Solution: Digital Control

12. Discrete Linear PID Design

13. Discrete Linear PID Design

14. Linearization

15. PID Feedback Control

16. Identification of worst-case

17. Tuning PID with Matlab Optimization Toolbox ™

18. Tuning PID with Matlab Optimization Toolbox ™

19. Matlab Genetic Algorithm Optimization Toolbox ™

20. Tuning PID with Genetic Algorithm

21. Tuning PID with Genetic Algorithm(2)

22. Optimizing with variable step 2-state-switching state-space Simulink model

23. Optimizing with variable step 2-state-switching state-space Simulink model

24. Non Linear Discrete PID Design

25. Non Linear Discrete PID Design

26. Tuning NL-PID with Genetic Algorithm

27. Tuning NL-PID with Genetic Algorithm(2)

28. Semi-Global Stability Analysis

29. Semi-Global Stability Analysis

30. Conclusions & Perspectives

31. Conclusions & Perspectives

32. THANK YOU