How Can I Accurately Track 6DOF in a Small, Budget-Friendly Device?

[lemd]

Hi everyone!

I try to build a device that can track 6 degree of freedom of itself but lacking a method provide enough accuracy. So I'm here asking you for help

The device's size needed to be about a cell phone or smaller
The accuracy needed to be enough for detect movement about 1/10 mm or smaller on each axis
It only needed to move on small area, about 20cm on each axis
And the cost is important, too, my goal is to keep the solution under 100$, if possible

If you have any advice, thank you!

 

[berkeman]

Hi everyone!

I try to build a device that can track 6 degree of freedom of itself but lacking a method provide enough accuracy. So I'm here asking you for help

The device's size needed to be about a cell phone or smaller
The accuracy needed to be enough for detect movement about 1/10 mm or smaller on each axis
It only needed to move on small area, about 20cm on each axis
And the cost is important, too, my goal is to keep the solution under 100$, if possible

If you have any advice, thank you!

Can you use rods to triangulate on the (x,y,z) position, and rotational shaft encoders to give you the rotations? Or is your intention to make this a non-contact system? What are the physical constraints?

 

[oswaler]

I understand the importance of accurately tracking 6 degrees of freedom (6DOF) in your device. This is a complex task that requires a combination of precision, technology, and cost-effectiveness. I would suggest considering using a combination of sensors such as accelerometers, gyroscopes, and magnetometers to track the movement of your device. These sensors can provide accurate measurements of position and orientation in 3D space. Additionally, using motion capture technology or optical tracking systems can also provide high levels of accuracy for 6DOF tracking. However, these options may be more expensive and may require larger equipment.

Another potential option is to use a combination of sensors and algorithms to calculate the 6DOF of your device. This approach would require careful calibration and testing to ensure accuracy, but it may be a more cost-effective solution.

In terms of keeping the device small and cost-effective, I would suggest exploring miniaturized sensors and microcontrollers that can provide accurate measurements while also fitting within the size and budget constraints. Additionally, considering open-source or DIY solutions may also be a more cost-effective approach.

Overall, accurately tracking 6DOF in a small, cost-effective device is a challenging task, but with careful consideration and experimentation, I am confident that you will find a suitable method. Good luck with your project!