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Averaged-Switch Modeling and Simulation
  • Level Professional
  • المدة 16 ساعات hours
  • الطبع بواسطة University of Colorado Boulder
  • Offered by

عن

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

الوحدات

Introduction to Modeling and Control of Power Electronics Specialization

    • 3 Readings
    • 1 Discussion
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1 Discussions

  • Introduce Yourself

3 Readings

  • Introduction to the Specialization and the Course
  • Access MATLAB
  • MATLAB Tutorials

Review: Operation and Modeling of Switched-Mode Power Converters

    • 4 Videos
    • 1 Quiz
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4 Videos

  • Introductory Example: Synchronous Buck Converter
  • Synchronous Buck Converter: State Equations
  • Buck example: Averaging and Dynamic Modeling Principles
  • Point-of-Load Application Example

1 Quiz

  • Practice Problem: State Equations

Review: Open-Loop Transfer Functions and Frequency Responses

    • 2 Videos
    • 1 Readings
    • 1 Quiz
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2 Videos

  • Synchronous Buck Example: Control to Output Transfer Function
  • Evaluating Frequency Responses Using MATLAB

1 Readings

  • Course MATLAB files

1 Quiz

  • Practice Problem: Magnitude and Phase Responses using MATLAB

Review: Feedback Loop Design Principles

    • 3 Videos
    • 1 Quiz
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3 Videos

  • Review of Closed-Loop Control Principles
  • Review of Feedback Loop Design Principles
  • Design Example: Synchronous Buck POL Voltage Regulator

1 Quiz

  • Practice Problem: Boost Voltage Regulator

Transient Simulations Using Spice

    • 3 Videos
    • 1 Readings
    • 1 Quiz
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3 Videos

  • Introduction to Spice Simulations
  • Spice Simulation Example
  • Spice Simulation Example: Discussion

1 Readings

  • Spice Resources

1 Quiz

  • Practice Problem: Spice Simulation

Graded Quiz: Introduction to Modeling, Control and Simulations

    • 1 Quiz
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1 Quiz

  • Introduction to Modeling, Control and Simulations

Feedback Theorem

    • 4 Videos
    • 1 Quiz
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4 Videos

  • The Main Result
  • Derivation: Part 1
  • Null Double Injection
  • Derivation Part 2

1 Quiz

  • Practice Problem: Null Double Injection

Application Example: Op-Amp Based PD Compensator

    • 3 Videos
    • 1 Quiz
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3 Videos

  • Introduction
  • Solution Using the Feedback Theorem
  • Discussion

1 Quiz

  • Practice Problem: Feedback Theorem

Application Example: Closed-Loop Voltage Regulator

    • 2 Videos
    • 1 Quiz
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2 Videos

  • Closed-Loop Voltage Regulator, Introduction
  • Output Impedance

1 Quiz

  • Practice Problem: Gvg using Feedback Theorem

The Feedback Theorem: Summary

    • 1 Videos
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1 Videos

  • Summary

Graded Quiz: Feedback Theorem

    • 1 Quiz
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1 Quiz

  • Feedback Theorem

Circuit Average and Averaged Switch Modeling

    • 2 Videos
    • 1 Quiz
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2 Videos

  • Introduction to Circuit Averaging and Averaged Switch Modeling
  • Converter Analysis Using Averaged Switch Models

1 Quiz

  • Practice Problem: Cuk Converter ASM Analysis

Averaged Circuit Simulations

    • 4 Videos
    • 1 Readings
    • 1 Quiz
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4 Videos

  • Simulations using Averaged Switch Models
  • Design Verification
  • Including Losses in Averaged Switch Models
  • Alternative Averaged Switch Networks

1 Readings

  • Solved Problem: Averaged-Switch Model Including Switching Loss Due to Diode Reverse Recovery

1 Quiz

  • Practice Problem: Closed-Loop Reference-to-Output Bandwidth Using Averaged Circuit Simulation

Discontinuous Conduction Mode

    • 6 Videos
    • 2 Quiz
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6 Videos

  • Averaged Switch Modeling in DCM
  • Combined CCM/DCM Averaged Switch Model
  • Library of Spice Averaged Switch Models
  • Simulation Example: Loop Gain in CCM and in DCM
  • Small-signal ac modeling of DCM converters
  • DCM Converter Transfer Functions

2 Quiz

  • Practice Problem: Flyback Converter Averaged Simulation
  • Practice Problem: Output Impedance of Converters in DCM

Graded Quiz: Averaged-Switch Modeling and Simulations

    • 1 Quiz
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1 Quiz

  • Averaged-Switch Modeling and Simulations
Dr. Dragan Maksimovic
Instructor

Dr. Dragan Maksimovic