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Old Sep 22, 2015, 09:48 PM
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Multirotor following a Line

Hey at all!

Im looking for a way, that my multi rotor follows a black line. The same way like a RC car.
The cars often use an infrared sensor to to do this. But the most sensors are limited to short distance.

At first i thought about a camera. But the video processing is quite heavy for the MCU. So I remembered for the freescale cup and looked for another solution.

So my questions is: Is there a Infrared Sensor, Infrared Laser which is capable to do this in a height of one meter?
If not, anybody knows another solution?

Greetings phanter
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Old Sep 23, 2015, 02:04 PM
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You could have a look at the new Dji module; "Guidance": https://developer.dji.com/guidance/
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Old Sep 24, 2015, 10:11 AM
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David1
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A quick search on Google returned a Parrot ARDrone following a line in a YouTube video. Probably the BeBop with its dual core CPU and Quad Core GPU can do it easily.
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Old Sep 24, 2015, 10:24 AM
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David1
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sorry repost/duplicate. Deleting
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Last edited by bmw330i; Sep 25, 2015 at 07:24 AM. Reason: Repost on accident
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Old Sep 27, 2015, 09:10 PM
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The Guidance is a real hammer. It looks perfect. But also the price is

My aim is to built something myself. I saw a solution with a camera and a second MCU. But picture processing is quite heavy, so Im looking for another way to realize it.
I also have a parrot here. With a Parrot and selfwirtten script with ROS it is no problem.
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Old Sep 28, 2015, 07:52 AM
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might be worth using a camera and offloading the image processing to something like a pi.
Use a regular flight board to balance and stabilise then code output from the Pi as either PWM or PPM to input direction.

thinking the same logic to a camera gimbal, stab board with user input to direct.

This is a ground bot using a pi with camera, sounds like you have the expertise to apply this to a quad.
Raspberry PI : Line follower Robot with CAMERA and OpenCv (1 min 50 sec)
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Old Oct 24, 2015, 03:13 AM
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Take a look at the CMU Cam and POB Cam. THey have onboard processing that should let you do the job and keep your flight MCU free from vision processing loads:

http://www.cmucam.org/

There is also another similar product from POB Technologies called the POB-Eye
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