1. Time-Domain Design of Digital Controllers for PWM Converters
2. PWM converters as feedback systems
3. Control objective
4. Analog vs. Digital
5. Analog vs. Digital
6. Background and objective
7. Design challenges of digital control
8. Effects of sampling rate (Delay)
9. Previous design methods Frequency domain design
10. Previous design methods Design using the MATLAB SISO tool
11. Limitations of previous design methods
12. Proposed time domain discrete controller design
13. Precursor time-domain discrete controller design
14. Precursor time-domain discrete controller design
15. The basic concept of the proposed method
16. Describing the desired ACL in Z
17. Deriving ?n and Q from time domain parameters
18. A look at the step response of B(z)ideal
19. Deriving ?n and Q from time domain parameters
20. Describing the desired ACL in Z
21. Deriving ?n and Q from time domain parameters
22. A look at the step response of B(z)ideal
23. The answer - PID controller
24. PID coefficients extraction procedure
25. Design example – Buck converter
26. PID coefficients extraction procedure
27. The answer - PID controller
28. PID coefficients extraction procedure
29. The answer - PID controller
30. PID coefficients extraction procedure
31. Design example – Buck converter
32. Plant response
33. Design example – Buck converter
34. Plant response
35. Ideal controller response
36. Extracting PID coefficients (a, b, c)
37. Closed loop response
38. Closed loop step response - results
39. Closed loop response
40. Extracting PID coefficients (a, b, c)
41. Ideal controller response
42. Extracting PID coefficients (a, b, c)
43. Closed loop response
44. Closed loop step response - results
45. A look at the frequency domain LoopGain
46. Experimental – LoopGain
47. Experimental - Load step
48. Design example 2 – Boost converter
49. Experimental - Load step
50. Design example 2 – Boost converter
51. Plant response
52. Ideal controller response
53. Plant response
54. Design example 2 – Boost converter
55. Plant response
56. Ideal controller response
57. Extracting PID coefficients (a, b, c)
58. A look at the frequency domain LoopGain
59. Extracting PID coefficients (a, b, c)
60. Ideal controller response
61. Plant response
62. Design example 2 – Boost converter
63. Experimental - Load step
64. Experimental – LoopGain
65. A look at the frequency domain LoopGain
66. Closed loop step response - results
67. Closed loop response
68. Extracting PID coefficients (a, b, c)
69. Ideal controller response
70. Plant response
71. Design example – Buck converter
72. Plant response
73. Ideal controller response
74. Extracting PID coefficients (a, b, c)
75. Closed loop response
76. Closed loop step response - results
77. A look at the frequency domain LoopGain
78. Experimental – LoopGain
79. Experimental - Load step
80. Design example 2 – Boost converter
81. Plant response
82. Ideal controller response
83. Extracting PID coefficients (a, b, c)
84. A look at the frequency domain LoopGain
85. Closed-loop response
86. Closed-loop step response - results
87. Summary
88. Slide 38
89. Summary
90. Closed-loop step response - results
91. Closed-loop response
92. A look at the frequency domain LoopGain
93. Extracting PID coefficients (a, b, c)
94. Ideal controller response
95. Plant response
96. Design example 2 – Boost converter
97. Experimental - Load step
98. Experimental – LoopGain
99. A look at the frequency domain LoopGain
100. Closed loop step response - results
101. Closed loop response
102. Extracting PID coefficients (a, b, c)
103. Closed loop response
104. Design challenges of digital control
