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Averaged-Switch Modeling and Simulation

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Averaged-Switch Modeling and Simulation

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Gain insight into a topic and learn the fundamentals.
4.7

89 reviews

Intermediate level
Some related experience required
Flexible schedule
2 weeks at 10 hours a week
Learn at your own pace
Build toward a degree
Gain insight into a topic and learn the fundamentals.
4.7

89 reviews

Intermediate level
Some related experience required
Flexible schedule
2 weeks at 10 hours a week
Learn at your own pace
Build toward a degree

What you'll learn

  • Explain operation and modeling of switched-mode power converters

  • Model open-loop transfer functions and frequency responses

  • Design closed-loop regulated switched-mode power converters

  • Verify operation of switched-mode power converters by simulations

Details to know

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Assessments

14 assignments

Taught in English

Build your subject-matter expertise

This course is part of the Modeling and Control of Power Electronics Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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There are 3 modules in this course

This course can also be taken for academic credit as ECEA 5705, part of CU Boulder’s Master of Science in Electrical Engineering degree.

This is Course #1 in the Modeling and Control of Power Electronics course sequence. The course is focused on practical design-oriented modeling and control of pulse-width modulated switched mode power converters using analytical and simulation tools in time and frequency domains. A design-oriented analysis technique known as the Middlebrook's feedback theorem is introduced and applied to analysis and design of voltage regulators and other feedback circuits. Furthermore, it is shown how circuit averaging and averaged-switch modeling techniques lead to converter averaged models suitable for hand analysis, computer-aided analysis, and simulations of converters. After completion of this course, the student will be able to practice design of high-performance control loops around switched-mode power converters using analytical and simulation techniques. We strongly recommend students complete the CU Boulder Power Electronics specialization before enrolling in this course (course numbers provided for students in CU Boulder's MS-EE program): ● Introduction to Power Electronics (ECEA 5700) ● Converter Circuits (ECEA 5701) ● Converter Control (ECEA 5702) After completing this course, you will be able to: ● Explain operation and modeling of switched-mode power converters ● Model open-loop transfer functions and frequency responses ● Design closed-loop regulated switched-mode power converters ● Verify operation of switched-mode power converters by simulations ● Understand the Feedback Theorem principles ● Apply the Feedback Theorem to practical design examples ● Derive averaged switch models of and averaged circuit models of power converters ● Apply averaged-switch modeling techniques to analysis and design and simulations of power converters

Review of modeling, control and simulation of switched-mode power converters

What's included

12 videos6 readings5 assignments1 discussion prompt

12 videos•Total 86 minutes
  • Introductory Example: Synchronous Buck Converter•8 minutes
  • Synchronous Buck Converter: State Equations•4 minutes
  • Buck example: Averaging and Dynamic Modeling Principles•12 minutes
  • Point-of-Load Application Example•2 minutes
  • Synchronous Buck Example: Control to Output Transfer Function•5 minutes
  • Evaluating Frequency Responses Using MATLAB•4 minutes
  • Review of Closed-Loop Control Principles•7 minutes
  • Review of Feedback Loop Design Principles•6 minutes
  • Design Example: Synchronous Buck POL Voltage Regulator•18 minutes
  • Introduction to Spice Simulations•2 minutes
  • Spice Simulation Example•14 minutes
  • Spice Simulation Example: Discussion•4 minutes
6 readings•Total 46 minutes
  • Course Updates and Accessibility Support•1 minute
  • Non-Credit Students: Welcome and Where to Find Help•10 minutes
  • Introduction to the Specialization and the Course•10 minutes
  • Accessing & Using MATLAB•10 minutes
  • Accessing & Using LTspice•5 minutes
  • Course MATLAB & LTspice Files•10 minutes
5 assignments•Total 225 minutes
  • Introduction to Modeling, Control and Simulations•120 minutes
  • Practice Problem: State Equations•15 minutes
  • Practice Problem: Magnitude and Phase Responses using MATLAB•30 minutes
  • Practice Problem: Boost Voltage Regulator•30 minutes
  • Practice Problem: Spice Simulation•30 minutes
1 discussion prompt•Total 10 minutes
  • Introduce Yourself•10 minutes

Understand and apply Feedback Theorem in the analysis and design of power electronics

What's included

10 videos4 assignments

10 videos•Total 84 minutes
  • The Main Result•13 minutes
  • Derivation: Part 1•7 minutes
  • Null Double Injection•4 minutes
  • Derivation Part 2•12 minutes
  • Introduction•4 minutes
  • Solution Using the Feedback Theorem•12 minutes
  • Discussion•17 minutes
  • Closed-Loop Voltage Regulator, Introduction•5 minutes
  • Output Impedance•9 minutes
  • Summary•2 minutes
4 assignments•Total 160 minutes
  • Feedback Theorem•120 minutes
  • Practice Problem: Null Double Injection•10 minutes
  • Practice Problem: Feedback Theorem•30 minutes
  • Practice Problem: Gvg using Feedback Theorem•0 minutes

Model and design switched-mode power converters using averaged switch modeling and averaged circuit simulations

What's included

12 videos1 reading5 assignments

12 videos•Total 108 minutes
  • Introduction to Circuit Averaging and Averaged Switch Modeling•8 minutes
  • Converter Analysis Using Averaged Switch Models•7 minutes
  • Simulations using Averaged Switch Models•14 minutes
  • Design Verification•13 minutes
  • Including Losses in Averaged Switch Models•9 minutes
  • Alternative Averaged Switch Networks•7 minutes
  • Averaged Switch Modeling in DCM•13 minutes
  • Combined CCM/DCM Averaged Switch Model•11 minutes
  • Library of Spice Averaged Switch Models•3 minutes
  • Simulation Example: Loop Gain in CCM and in DCM•12 minutes
  • Small-signal ac modeling of DCM converters•8 minutes
  • DCM Converter Transfer Functions•4 minutes
1 reading•Total 3 minutes
  • Solved Problem: Averaged-Switch Model Including Switching Loss Due to Diode Reverse Recovery•3 minutes
5 assignments•Total 240 minutes
  • Averaged-Switch Modeling and Simulations•120 minutes
  • Practice Problem: Cuk Converter ASM Analysis•30 minutes
  • Practice Problem: Closed-Loop Reference-to-Output Bandwidth Using Averaged Circuit Simulation•30 minutes
  • Practice Problem: Flyback Converter Averaged Simulation•30 minutes
  • Practice Problem: Output Impedance of Converters in DCM•30 minutes

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Build toward a degree

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
4.9 (38 ratings)
University of Colorado Boulder
9 Courses•35,616 learners

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Showing 3 of 89

KH
·

Reviewed on Aug 11, 2022

G​reat course for power electronic modelling and simulation.

SC
·

Reviewed on Aug 13, 2020

Pretty interesting, lectures are for the most part comprehensive.

RD
·

Reviewed on Mar 15, 2021

The course serves as a good starting point for small signal ac modeling and simulation for converters operating in the CCM / DCM mode of operation.

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.

When you enroll in the course, you get access to all of the courses in the Specialization, and you earn a certificate when you complete the work. Your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile.

Yes. In select learning programs, you can apply for financial aid or a scholarship if you can’t afford the enrollment fee. If fin aid or scholarship is available for your learning program selection, you’ll find a link to apply on the description page.

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