Hello everyone
I hope that you're doing well
I'm working on a project of sorting pieces by dimensions and i want to use 3 sensors one for measuring the Length, one for the width, and the last one for the height.and i'm wondering what is the sensor that i can use in this project?is the ultrasonic sensor suitable for this application because he's only measuring the distance from the object? Is there a sensor that can measure the three dimensions?
Thank you for the time you take to read my questions and respond.
I can't help you but the size of the objects might be relevant as well as the resolution and accuracy.
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Welcome to the forum
What sort of magnitude of object are you trying to measure ?
Whilst a device such as an ultrasonic sensor can only measure the distance to an object, if that object is placed in a known position then its size in that dimension can be determined
Imagine an object being passed under a sensor that is at a fixed height. If the distance between the sensor and the surface under the object is known and the distance between the sensor and the top surface of the object is known then subtracting one from the other gives the height of the object.
This principle can be applied to all 3 dimensions of the object
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Put the objects on a turntable and use a camera to determine their extents.
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So many questions...
- Where is the object? Is it tumbling in mid air? Is it sitting flat on a table? Is it on a conveyor belt?
- Is it hard? Squishy? Wet and slippery?
- How are you allowed to measure it? Must it be a non-contact measurement? Can you pick it up and rotate it?
- How accurate should the measurement be? Please don't say "as accurate as possible." No such thing exists. Use numbers.
- What are its approximate dimensions?
- How fast do you need to measure it? Many seconds? Less than a second?
- And, of course, how much can you spend on this measuring device?
The object is sitting flat on a table , it's hard and the measure should be with non-contact.
We can't pick it up and rotate it.the accuracy should be high because the objects have close dimensions .
And the measure should be fast
How does it come into that position, and how go away afterwards?
Specify numbers. What does "fast" and "high" mean?
I suspect you also need to know the 4th dimension and that is how far the object is from the sensor? Geometry will be needed, no matter what sensor you decide on.
As viewers of Star Trek and Star Wars are well aware, there is a sensor for everything.
MkI eyeball reigns supreme!
Given those three lengths, what can your program do to determine the way to "sort" the objects?
There are camera systems that can do what you want. Cameras that do this I have seen on production lines checking product. The tighter the dimensions the more $$$ it will cost.
If you can manually place the item look at cubicscan 100
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