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Motors and Motor Control Circuits

Approx. 36 hours to complete

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Course Summary

This course on Motors and Circuits Design covers the fundamental concepts of motors and their applications in various circuits, including DC, AC, and stepper motors. Students will learn how to design and build motor control circuits using microcontrollers and power electronics.

Key Learning Points

Learn the different types of motors and their applications in various circuits
Design and build motor control circuits using microcontrollers and power electronics
Understand the principles of torque, speed, and power in motors

Learning Outcomes

Ability to design and build motor control circuits
Understanding of the principles of motors and their applications
Proficiency in using microcontrollers and power electronics in circuit design

Prerequisites or good to have knowledge before taking this course

Basic knowledge of electronics
Familiarity with programming languages such as C or Python

Course Difficulty Level

Intermediate

Course Format

Self-paced
Online
Video lectures

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Elon Musk
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Description

This course can also be taken for academic credit as ECEA 5341, part of CU Boulder’s Master of Science in Electrical Engineering degree.

This is our second course in our specialization on Embedding Sensor and Motors. To get the most out of this course, you should first take our first course entitled Sensors and Sensor Circuits. Our first course gives you a tutorial on how to use the hardware and software development kit we have chosen for the lab exercises. This second course assumes that you already know how to use the kit. After taking this course, you will be able to: ● Understand how to specify the proper AC or DC motor for a machine design. ● Integrate the motor to a machine, based on analysis of motor equations for voltage, current, torque and speed. ● Implement the motor and accompanying rotary sensor into a motor control circuit in both hardware and software. ● Add a motor and motor control circuit into a microprocessor based development kit. ● Create hardware and firmware to process motor feedback data to a microprocessor for further evaluation. You will need to buy the following components to do the two course projects based on the videos in this module. Note that if you have already purchased the PSOC 5LP PROTOTYPING KIT, you do not need to buy it again. These parts may be purchased off the Digikey web site, www. Digikey.com. Or, you may obtain the specs from the site, and purchase them elsewhere. These are the part numbers for the above table, the lab on Motor Voltage and Current Measurement. You can copy and paste them into the search engine on the Digikey web site. You need one of each except for the AA batteries (N107-ND), which you would need 3. 428-3390-ND P14355-ND FQU13N10LTU-ND N107-ND 1N5393-E3/54GICT-ND RNF14FTD1K00CT-ND P0.62W-1BK-ND Additional equipment needed: • Wire - various gauges and lengths • Breadboard • Oscilloscope – suggested models are: o PICOSCOPE 2204A-D2 available on www.digikey.com or o Digilent 410-324 | OpenScope MZ available on www.newark.com Depending on your budget, you can also investigate these models: o Hantek HT6022BE20MHz - https://www.amazon.com/dp/B009H4AYII o SainSmart DSO212 - https://www.amazon.com/dp/B074QBQNB7 o PoScope Mega50 USB - https://www.robotshop.com/en/poscope-mega50-usb-mso-oscilloscope.html o ADALM2000 - https://www.digikey.com/en/products/detail/analog-devices-inc./ADALM2000/7019661

Outline

AC Motor Designs
1: Course Introduction
2: Three-phase AC Motor Architecture
3: Torque-speed Curves
4: Wound Rotor and Synchronous Motors
5: Single Phase AC Motors
6: Split Phase Motor
7: Capacitor Start and Shaded Pole Motors
8: Universal and Gear Motors
Reading Assignments
Video Assignments
Week 1 Quiz

AC Motor Control
1. Module 2 Introduction
2. AC Motor Specifications
3. AC Motor Enclosures
4. Specifying an AC Motor for an Application
5. AC Motor Control Components
6. Manual Motor Starting Systems
7. Star/Delta Motor Starter Systems
8. AC Variable Speed Drives
Reading Assignments
Video Assignments
Week 2 Quiz

DC Motors
1. Module 3 Introduction
2. DC Motor Principle of Operation
3. Brushed DC Motors
4. Shunt, Series, and Compound Wound Motors
5. Brushless DC Motors
6. Driving a brushless DC motor
7. Commutation
8. Paper Shredder Teardown
9. Specifying a DC Motor
Reading Assignments
Video Assignments
Week 3 Quiz

DC Motor Control and Stepper Motors
1. Module 4 Introduction
2. Lab Exercise on Motor Voltage and Current Measurement
3. Stepper Motor Principles of Operation
4. Illustrative Example of a Stepper Motor Drive
5. Stepper Motor Specs and Operation
6. Commercial Stepper Motor Driver Chips and Packages
7. Lab Exercise on Rotary Sensor
8. DC vs. AC Motors
Hardware Needed to Do Course Projects Based on This Module
Reading Assignments
Video Assignments
Week 4 Quiz

Course Projects
Motor Voltage and Current Measurement Assignment
Motor Voltage and Current Measurement Screen Shots
Rotary Switch Assignment
Rotary Lab Screen Shots
Course Project 1
Course Project 2

Summary of User Reviews

Discover the fundamentals of designing motors and circuits with the Motors and Circuits Design course on Coursera. Students love the course's comprehensive coverage of the topic, which provides a solid foundation for future learning in the field of electrical engineering.

Key Aspect Users Liked About This Course

Comprehensive coverage of the topic

Pros from User Reviews

Clear and concise explanations
Interactive quizzes to reinforce learning
Engaging course material
Great for beginners
Helpful forum for asking questions

Cons from User Reviews

Some lectures can be too technical for beginners
Not enough hands-on practice
Limited interaction with instructors
Some videos are outdated
No certificate for auditing students

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