Finding a Motor with an Absolute Encoder for Angular Position Detection

In summary, the conversation revolved around the need for a motor with an encoder that provides absolute feedback on the shaft's position. The person asking for help was struggling to find such a motor and was wondering if there were any conventional ways to achieve this without an absolute encoder. Another person suggested looking for servo motors and browsing a website called www.cnczone.com for more information and tips.
  • #1
KingNothing
882
4
Hi all. For a project I am doing, I need to find a motor with an encoder that we can use to detect the exact angular position of the shaft at any given point in time.

I'd like to see if there is any motor out there with absolute feedback from the encoder - i.e., that I would be able to read the actual output position of the shaft, rather than just the number of encoder steps that have occurred.

Is there any conventional way to do this, other than to have an absolute encoder? Can anyone send me a link to a few such motors? I am in a position where I am really struggling to find these things.
 
Engineering news on Phys.org
  • #2


What you're looking for is called a servo motor. Just google it and you should find hundreds, if not thousands, of different models.

Try browsing around www.cnczone.com for some good info and tips also.
 
  • #3


Is this a constantly rotating shaft?
 

1. What is an absolute encoder?

An absolute encoder is a type of sensor that measures the position or movement of a motor or other rotating device. It provides a unique output signal for every possible position, allowing for accurate and precise angular position detection.

2. How does an absolute encoder work?

An absolute encoder works by using a rotating disc or other mechanism with evenly spaced markings or codes. These codes are read by a sensor, which then converts them into a digital signal that corresponds to a specific position. This allows for accurate and direct measurement of angular position without the need for a reference point.

3. What are the benefits of using a motor with an absolute encoder?

Using a motor with an absolute encoder allows for precise and accurate angular position detection, which is necessary for many applications in industries such as robotics, manufacturing, and automation. It also eliminates the need for a reference point, making it easier to integrate into systems and reducing the potential for errors.

4. How do I choose the right motor with an absolute encoder for my application?

When choosing a motor with an absolute encoder, it is important to consider factors such as the required precision, speed, torque, and size. You should also consider the type of communication interface and resolution needed for your specific application. Consulting with a motor expert or supplier can also help you find the best fit for your needs.

5. Can an absolute encoder be used in harsh environments?

Yes, some absolute encoders are designed to withstand harsh environments, such as high temperatures, moisture, and vibrations. These encoders are often sealed and made with durable materials to ensure reliable performance in challenging conditions. However, it is important to carefully choose an encoder that is suitable for your specific environment to ensure its longevity and accuracy.

Similar threads

Tracking Encoder and Component Slippage
    • Mechanical Engineering
Replies
1
Views
1K
How Can I Safely Extend the Shaft of My Motor for Encoder Installation?
    • Mechanical Engineering
Replies
6
Views
1K
Torque calculations: Rotating vertical shaft
    • Mechanical Engineering
Replies
5
Views
3K
Stargazing Fixing declination runaway on a Meade LX200 telescope
    • Astronomy and Astrophysics
Replies
6
Views
2K
Is a Larger DC Motor Needed for Low Wind Speed Power Generation?
    • Mechanical Engineering
Replies
34
Views
2K
Help Walk Me Thru Motor Sizing Calculations Please
    • Mechanical Engineering
Replies
14
Views
2K
BLDC Motor - Finding out how many Pairs of Poles and the difference with PMSM
    • Mechanical Engineering
Replies
5
Views
2K
What Are the Best Low-Friction Bearings for Precision Positioning Mechanisms?
    • Mechanical Engineering
Replies
30
Views
4K
Electronics How to control a stepper motor in closed loop (PID) in arduino?
    • DIY Projects
Replies
5
Views
3K
Magnetic encoder signal processing
    • Electrical Engineering
Replies
2
Views
1K

Hot Threads

Recent Insights

Back
Top