What is an ENCODER - Linear and Rotary encoder - Incremental and Absolute encoder

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An encoder is a communication device that controls the motion of an operating device.
Encoders are used to translate rotary or linear motion into a digital signal helping to determine the speed or position of a motor or other moving equipment.
Basically, an encoder acts as a measuring system for moving parts.
There are two different types of encoders: linear and rotary. A linear encoder responds to motion along a path, while a rotary encoder responds to rotational motion.
Within this two categories, we can list different encoder measurement types such as: Absolute encoders which are capable of providing unique position values from the moment they are switched on. And Incremental encoders that instead generate an output signal each time the shaft rotates a certain amount.
Encoder also differ in electromechanical technologies such as: Optical, Magnetic, Inductive, Capacitive and Laser.
In this video we will focus on the most popular encoder technology: the optical encoder.
We will see different types of optical encoders and their applications.
Let’s start from the linear encoder, which is basically a transducer paired with a scale that encodes position. The transducer reads the scale in order to convert the encoded position into an analog or digital signal, which can then be decoded into position by a motion controller. It is normally used for linear measurements in order to detect the translational motion of an object. These encoders in fact can use a rod or a cable that is run between the encoder transducer and the object that will be measured for movement.
Let’s move on to the rotary encoder, also known as shaft encoder. Unlike the linear encoder, the rotary encoder collects data and provides feedback based on the rotation of an object or in other words, a rotating device. Since it converts the angular position or motion of its shaft to analog or digital output signals.
Basically, both linear and rotary encoders do the same thing. They produce an electrical signal. When this signal is properly processed by the electronic circuits, it produces analog or digital output signals which are translated into angular movements, linear and rotational motion as well as in rotation speed and accelerations.
More than 10 years in industrial supplies, have led JAES to become a qualify partner for some of the most important industrial automation companies, offering a wide range of different encoder types.
As we have said before, both linear and rotary encoders can perform "absolute" or "incremental” measurements.
Absolute Rotary Encoders can measure “angular” positions while Incremental Encoders can measure things such as distance, speed, and position.
Here an example of Absolute Rotary Encoder. We can see inside that a slotted disc on a shaft is used in conjunction with a stationary pickup device. When the shaft rotates, the disc is rotated in a beam of light such as an LED, and the markings on the disc act as shutters blocking and unblocking the light. Thanks to this, a unique code pattern is produced. This means that each position of the shaft has a pattern and this pattern is used to determine the exact position...

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[@ininanoir]

Very concise and crystal... Dankie, siyabonga

[@yohanesyohanes1871]

very educative video, thanks man

[@prabhakarrao4922]

Excellent information. Thank you

[@Sachha_Sanatani_108]

Excellent explanation

[@sanyujustine949]

thank you , its been helpful to learn with you

[@Jaescompany]

Thanks to you for your comment! Have you had a chance to watch our video about TRANSFORMERS? czcams.com/video/fbu1Xji27vcW/video.htmle would like to know your opinion about it. If you want to learn more about our projects, you can subscribe to our channel czcams.com/channels/b7TkWFn3nyb6XhudxGu5tw.html and visit our website www.jaescompany.com/

[@enginoharmano]

Thanks for information.

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Really helpful thank u for info

[@TheZombiehouseful]

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[@manavtalwar3042]

very informative.. thanks..

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really great video!!!!!!

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It was very useful thanks

[@umargul5644]

Well done

[@sabirfatol5742]

fascinating

[@nashitahmed7456]

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[@shiv2574]

great video

[@mithileshramteke3882]

Thanks for explaination

[@Jaescompany]

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[@nickstamatiou9871]

Very nice video

[@ssranon]

In astronomy, encoders are also commonly used for high-end telescope mounts. Once aligned, the mount can know its position in right ascension and declination relative to the sky by tracking the motor movement using encoders on one or both axis.

[@unique_brainpicker9107]

Very useful video Thank you sir,I want dc motor position control like 0 to 190 degree and return back it again 190 to 0,if I press 10 degree I should stop,can you suggest me.

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[@omkarmali8282]

Nice

[@giovanniserraglio4612]

how it can distinguish several degrees in the same groove. For example, in the groove of sector 001 it distinguishes, with a resolution of 1°, all angles in the portion of the round angle ranging from 39° to 86°. How is this possible if the photocell is always hit in the same way? How is it possible that there is no groove and light combination for each degree?

[@tomiyosi]

Innovative

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Zoʻr

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Its supper

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Lynn, Ee, Are.

[@yasirsultani]

the whole video is just an add for the company and not meant to educate.

[@SciDOCMBC]

linir thing you mean linear 😁😁😁

[@ashvineborade4299]

Very useful 👍