Converter Control

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Converter Control

This course is part of Power Electronics Specialization

Instructor: Dr. Robert Erickson

30,510 already enrolled

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4 modules

Gain insight into a topic and learn the fundamentals.

650 reviews

Intermediate level

Some related experience required

Flexible schedule

2 weeks at 10 hours a week

Learn at your own pace

93%

Most learners liked this course

4 modules

Gain insight into a topic and learn the fundamentals.

650 reviews

Intermediate level

Some related experience required

Flexible schedule

2 weeks at 10 hours a week

Learn at your own pace

93%

Most learners liked this course

What you'll learn

Be able to design and analyze the feedback systems of switching regulators

Skills you'll gain

Tools you'll learn

Graphical Tools

Details to know

Shareable certificate

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Assessments

5 assignments

Taught in English

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This course is part of the Power Electronics Specialization

When you enroll in this course, you'll also be enrolled in this Specialization.

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There are 4 modules in this course

This course can also be taken for academic credit as ECEA 5702, part of CU Boulder’s Master of Science in Electrical Engineering degree.

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.

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.

What's included

8 videos3 readings1 assignment1 discussion prompt

8 videosTotal 114 minutes

Sect 7.1 Introduction to AC Modeling28 minutes
Sects 7.2.1-4 Averaged AC Modeling8 minutes
*Sect 7.2.2 Discussion of Averaging15 minutes
Sect 7.2.5 Perturbation and Linearization18 minutes
Sects 7.2.6-8 Construction of Equivalent Circuit12 minutes
Sect 7.6 Modeling the Pulse-Width Modulator10 minutes
Sect 7.5 The Canonical Model20 minutes
Sect7.3 State-Space Averaging2 minutes

3 readingsTotal 16 minutes

Course Updates and Accessibility Support1 minute
Non-Credit Students: Welcome and Where to Find Help10 minutes
Homework 1 Materials5 minutes

1 assignmentTotal 180 minutes

Homework Assignment 1: Chapter 7180 minutes

1 discussion promptTotal 10 minutes

Introduce Yourself10 minutes

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.

What's included

7 videos1 reading1 assignment

7 videosTotal 112 minutes

8.0 Introduction to Design-Oriented Analysis13 minutes
8.1 Review of Bode Diagrams: Pole25 minutes
8.1.2 Other Basic Terms9 minutes
8.1.5 Combinations21 minutes
8.1.6 Second-order Response: Resonance18 minutes
8.1.7 The Low-Q Approximation9 minutes
8.1.8 Analytical Factoring of Higher-Order Polynomials16 minutes

1 readingTotal 5 minutes

Homework 2 Materials5 minutes

1 assignmentTotal 180 minutes

Homework Assignment 2: Ch. 8, Transfer Functions180 minutes

Design-oriented analysis techniques to make approximations and gain insight into how to design ac systems having significant complexity. Graphical construction techniques.

What's included

5 videos1 reading1 assignment

5 videosTotal 79 minutes

8.2 Analysis of Converter Transfer Functions16 minutes
8.2.2 Transfer Functions of Basic Converters10 minutes
8.3.1 Graphical Construction of Impedances19 minutes
8.3.3 Graphical Construction of Parallel and More Complex Impedances17 minutes
8.3.5 Graphical Construction of Converter Transfer Functions15 minutes

1 readingTotal 5 minutes

Homework 3 Materials5 minutes

1 assignmentTotal 180 minutes

Homework Assignment 3: Construction of Transfer Functions180 minutes

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.

What's included

8 videos1 reading2 assignments

8 videosTotal 159 minutes

9.1-2 Introduction21 minutes
9.3 Construction of Closed-loop Transfer Functions11 minutes
9.4.1 Stability21 minutes
9.4.2 Phase Margin vs. Closed-loop Q20 minutes
9.5 Regulator Design19 minutes
9.5.4 Design Example18 minutes
Op-amp Compensator Design29 minutes
9.5.5 Another Example: Point-of-Load Regulator19 minutes

1 readingTotal 10 minutes

HW#4 Materials10 minutes

2 assignmentsTotal 110 minutes

Homework Assignment 4 (Part 1): Feedback60 minutes
Homework Assignment 4 (Part 2): Closed-Loop Simulation50 minutes

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This course is part of the following degree program(s) offered by University of Colorado Boulder. If you are admitted and enroll, your completed coursework may count toward your degree learning and your progress can transfer with you.¹

Instructor

Instructor ratings

(94 ratings)

Dr. Robert Erickson

University of Colorado Boulder

11 Courses163,430 learners

Offered by

University of Colorado Boulder

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Reviewed on Feb 10, 2020

I am really happy taking this course. Challenging but the course really well structured so it helps a lot! My learning curve taking this course is huge. Thank you Prof. Erickson and team!

Reviewed on Apr 26, 2020

very well designed course content with a very eloquent explanation of Dr. Erickson. Highly recommended for power electronics engineers!!

Reviewed on Apr 26, 2021

Very interesting way of looking at ac circuit analysis from a graphical perspective. Makes visualizing the ac variations in switch mode power supplies less complex.

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Frequently asked questions

To access the course materials, assignments and to earn a Certificate, you will need to purchase the Certificate experience when you enroll in a course. You can try a Free Trial instead, or apply for Financial Aid. The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.

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