Bookmarks
Concepts
Activity
Courses
Learning Plans
Courses
Log In
Sign up
Menu
About
Guest User
Sign in to save progress
Sign In
Sign up
Menu
⚙️
→
About
Guest User
Sign in to save progress
Sign In
Sign up
Learning Plans
Courses
Log In
Sign up
🏠
Bookmarks
🔍
Concepts
📚
Activity
×
CUSTOMIZE YOUR LEARNING
→
TIME COMMITMENT
YOUR LEVEL
LET'S Start Learning
Menu
About
Guest User
Sign in to save progress
Sign In
Sign up
Menu
⚙️
→
About
Guest User
Sign in to save progress
Sign In
Sign up
Learning Plans
Courses
Log In
Sign up
🏠
Bookmarks
🔍
Concepts
📚
Activity
×
CUSTOMIZE YOUR LEARNING
→
TIME COMMITMENT
YOUR LEVEL
LET'S Start Learning
New Course
Concept
Electronic Commutation
Electronic commutation
refers to the method of switching the current in
brushless motors
using electronic circuits instead of
mechanical brushes
, enhancing efficiency and reducing wear. This technique is fundamental in modern
motor control systems
, enabling precise speed and
torque control
in various applications, from
household appliances
to
electric vehicles
.
Relevant Fields:
Electrical Engineering 100%
Generate Assignment Link
Lessons
Concepts
Suggested Topics
Foundational Courses
Learning Plans
All
Followed
Recommended
Assigned
Concept
Brushless DC Motor
A
Brushless DC Motor
(BLDC) is an
electric motor
that uses
electronic commutation
instead of
mechanical brushes
, offering
higher efficiency
, reliability, and longevity compared to
traditional brushed motors
. It is widely used in applications requiring
precise control
and
high performance
, such as drones,
electric vehicles
, and
industrial automation systems
.
Concept
Hall Effect Sensors
Hall Effect
Sensors are devices that leverage the
Hall Effect
to measure
magnetic fields
and convert them into
electrical signals
, often used for
position sensing
, speed detection, and
current sensing
. They are non-contact,
highly reliable
, and can operate in
harsh environments
, making them ideal for automotive, industrial, and
consumer electronics applications
.
Concept
Pulse Width Modulation
Concept
Three-phase Inverter
Concept
Back EMF
Back EMF
, or
counter-electromotive force
, is the
voltage generated by a running motor
or inductor that opposes the
applied voltage
, acting as a
natural regulator
to
limit current
. It is crucial in understanding
motor speed control
and efficiency, as well as
protecting circuits
from
excessive current draw
.
Concept
Motor Control Algorithms
Concept
Switching Frequency
Switching frequency
refers to the rate at which an
electronic switch
, such as a transistor, turns on and off in a
power electronics circuit
. It is a
critical parameter
that affects the efficiency, size, and performance of devices like inverters, converters, and
power supplies
.
Concept
Torque Ripple
Torque ripple
refers to the
periodic variation in torque output
of an electric motor, which can lead to vibrations, noise, and
reduced performance
in
precision applications
. Minimizing
Torque ripple
is crucial for improving the
smoothness and efficiency of motor operation
, particularly in applications like
electric vehicles
and robotics.
Concept
Brushless DC Motors
Brushless DC motors
are electric motors that use
electronic commutation
instead of
mechanical brushes
, offering
higher efficiency
, reliability, and longevity compared to
traditional brushed motors
. They are widely used in applications requiring
precise control
and
high performance
, such as drones,
electric vehicles
, and
industrial automation systems
.
Concept
Brushless Motor
A
brushless motor
is an
electric motor
that operates without the
mechanical brushes
and commutators found in
traditional motors
, resulting in
higher efficiency
, reduced maintenance, and
longer lifespan
. It uses
electronic commutation
to control the
motor's speed
and torque, leveraging
permanent magnets
and a
rotating magnetic field
.
3