Comments (2)
Hi @bu-ra3y! Glad you like the project! So the warning about the autopilot is down to limitations in the autopilot software, so far. When I started this project, PX4 firmware did not support precision landing at all. There is now some preliminary (but not complete) support for precision landing, which I will look into shortly.
Ardupilot is a little more complex - Precision Landing has been supported for a while, to varying degrees, but it is not very complete or safe to use at the current time. It is tuned and designed around the hardware IRLock system, which uses InfraRed beacons and a very specifically tuned camera vision system to look for the beacons. The more generic 'Companion' backend to Ardupilot PrecLand takes Mavlink messages instead which is what this vision_landing project uses to communicate with the autopilot. However, the system does not cope well with longer and varying latencies of the messages that is typical with general computer-based vision systems, and this leads to unpredictable and sometimes quite unsafe behaviour (rapid movements into the nearest wall/garage/tree/person).
I am in the middle of updating Ardupilot to work better with more generic computer vision systems such as vision_landing, but it will take a little while to complete and get merged and then released:
https://discuss.ardupilot.org/t/ac-precland-improvements-and-updates/31614
I hope to start testing with Raspberry and Up Core boards in the next few days, which have much higher latency and jitter than previous tests.
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from vision_landing.
Related Issues (20)
- Add mavlink target fields to TIMESYNC and LANDING_TARGET
- Take timestamp as close to shutter as possible HOT 4
- track_targets takes long time to shut down HOT 2
- Python ThreadedReader queue building up HOT 1
- Add config param for PLND_EST_TYPE
- Aruco camera calibration not working
- Vision Landing on raspberry Pi3 B+ HOT 2
- Migrate to python 3
- Update vision_landing.conf sample config HOT 1
- Create better default values for threshold/history HOT 1
- global name 'timespec' is not defined HOT 3
- aruco make / install instructions incorrect HOT 3
- Migrate to apriltag HOT 3
- Nothing happens when I run sudo systemctl start vision_landing HOT 1
- Error while running cmake . && make && make install
- Can this run on jevois ?
- Why deprecated? HOT 9
- Define a landing point relative to all markers HOT 2
- Licensing change
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