Converter Control

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E-learning

Converter Control

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About this course: This course teaches how to design a feedback system to control a switching converter. The equivalent circuit models derived in the previous courses are extended to model small-signal ac variations. These models are then solved, to find the important transfer functions of the converter and its regulator system. Finally, the feedback loop is modeled, analyzed, and designed to meet requirements such as output regulation, bandwidth and transient response, and rejection of disturbances. Upon completion of this course, you will be able to design and analyze the feedback systems of switching regulators. This course assumes prior completion of courses Introduction to Power El…

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Didn't find what you were looking for? See also: Metal & Metallurgy, Two Dimensional Design (2D Design), Education, Welding / Joining, and Feedback Skills.

When you enroll for courses through Coursera you get to choose for a paid plan or for a free plan . 

  • Free plan: No certicification and/or audit only. You will have access to all course materials except graded items.
  • Paid plan: Commit to earning a Certificate—it's a trusted, shareable way to showcase your new skills.

About this course: This course teaches how to design a feedback system to control a switching converter. The equivalent circuit models derived in the previous courses are extended to model small-signal ac variations. These models are then solved, to find the important transfer functions of the converter and its regulator system. Finally, the feedback loop is modeled, analyzed, and designed to meet requirements such as output regulation, bandwidth and transient response, and rejection of disturbances. Upon completion of this course, you will be able to design and analyze the feedback systems of switching regulators. This course assumes prior completion of courses Introduction to Power Electronics and Converter Circuits.

Created by:  University of Colorado Boulder

  • Taught by:  Dr. Robert Erickson, Professor

    Electrical, Computer, and Energy Engineering
Basic Info Course 3 of 6 in the Power Electronics Specialization Language English How To Pass Pass all graded assignments to complete the course. User Ratings 4.8 stars Average User Rating 4.8See what learners said Travail en cours

Chaque cours fonctionne comme un manuel interactif en proposant des vidéos préenregistrées, des quiz et des projets.

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University of Colorado Boulder CU-Boulder is a dynamic community of scholars and learners on one of the most spectacular college campuses in the country. As one of 34 U.S. public institutions in the prestigious Association of American Universities (AAU), we have a proud tradition of academic excellence, with five Nobel laureates and more than 50 members of prestigious academic academies.

Syllabus


WEEK 1


Ch 7: AC Equivalent Circuit Modeling
How to extend the converter steady-state equivalent circuits, derived in the previous courses, to obtain small-signal ac equivalent circuits that model the important converter and regulator system dynamics.


8 videos, 1 reading expand


  1. Video: Sect 7.1 Introduction to AC Modeling
  2. Video: Sects 7.2.1-4 Averaged AC Modeling
  3. Video: *Sect 7.2.2 Discussion of Averaging
  4. Video: Sect 7.2.5 Perturbation and Linearization
  5. Video: Sects 7.2.6-8 Construction of Equivalent Circuit
  6. Video: Sect 7.6 Modeling the Pulse-Width Modulator
  7. Video: Sect 7.5 The Canonical Model
  8. Video: *Sect7.3 State-Space Averaging
  9. Lecture: Homework 1 Materials

Graded: Homework Assignment 1: Chapter 7

WEEK 2


Ch 8: Converter Transfer Functions - Part 1



A review of the construction of Bode plots of the magnitude and phase of first-order, second-order, and higher-order transfer functions, with emphasis on techniques needed for design of regulator systems. Design-oriented analysis techniques to make approximations and gain insight into how to design ac systems having significant complexity.


7 videos, 1 reading expand


  1. Video: 8.0 Introduction to Design-Oriented Analysis
  2. Video: 8.1 Review of Bode Diagrams: Pole
  3. Video: 8.1.2 Other Basic Terms
  4. Video: 8.1.5 Combinations
  5. Video: 8.1.6 Second-order Response: Resonance
  6. Video: 8.1.7 The Low-Q Approximation
  7. Video: 8.1.8 Analytical Factoring of Higher-Order Polynomials
  8. Lecture: Homework 2 Materials

Graded: Homework Assignment 2: Ch. 8, Transfer Functions

WEEK 3


Ch 8: Converter Transfer Functions - Part 2
Design-oriented analysis techniques to make approximations and gain insight into how to design ac systems having significant complexity. Graphical construction techniques.


5 videos, 1 reading expand


  1. Video: 8.2 Analysis of Converter Transfer Functions
  2. Video: 8.2.2 Transfer Functions of Basic Converters
  3. Video: 8.3.1 Graphical Construction of Impedances
  4. Video: 8.3.3 Graphical Construction of Parallel and Complex Impedances
  5. Video: 8.3.5 Graphical Construction of Converter Transfer Functions
  6. Lecture: Homework 3 Materials

Graded: Homework Assignment 3: Construction of Transfer Functions

WEEK 4


Ch 9: Controller Design
Application of the material of Chapters 7 and 8 to design closed-loop regulators that employ switching converters. How to design a feedback system that accurately regulates its output while rejecting disturbances.


8 videos, 1 reading expand


  1. Video: 9.1-2 Introduction
  2. Video: 9.3 Construction of Closed-loop Transfer Functions
  3. Video: 9.4.1 Stability
  4. Video: 9.4.2 Phase Margin vs. Closed-loop Q
  5. Video: 9.5 Regulator Design
  6. Video: 9.5.4 Design Example
  7. Video: Op-amp Compensator Design
  8. Video: 9.5.5 Another Example: Point-of-Load Regulator
  9. Lecture: HW#4 Materials

Graded: Homework Assignment 4 (Part 1): Feedback
Graded: Homework Assignment 4 (Part 2): Closed-Loop Simulation
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