AscTec Professional. Line. AscTec Navigator. Manual Two for the current. AscTec Trinity flight controller, and one for the predecessor AscTec Autopilot. J├╝rgen Sturm. Autonomous Navigation for Flying Robots. 9 downloads/manuals/AscTec-Autopilot-Manual-vpdf. Gyroscopes (3x single. Dear Asctec I have a question about flying the Pelican in GPS mode. assets/ Downloads/Manuals/AscTec-Autopilot-Manual-vpdf ( MB).

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GPS mode behavior Identical behavior has been been observed here on multiple occasions. From what I understand, GPS location can occasionally jump s of meters. Open your favourite image manipulation program e.

For this example we will name it “example. Search everywhere only in this topic. However, after analyzing the problem further we found out that the u-blox GPS receivers used on the AscTec Hummingbird and AscTec Pelican can get in trouble when using SBAS services, which have been cleared for regular operation earlier this year. If your UAV is new, this is our default connection and you do not need to change anything.

Created by Andre Rylllast modified on Dec 19, Hi, did you maybe loose GPS signal for some reason?

We will then inform you on our homepage about possibilities how to get the update. Find line line in unedited main. Connect your flight system as described above and click on “System Info” in the menu bar. Using these services, in some situations the velocity measurements read from the GPS receiver, which are then used for the internal data fusion and position control, can be way off, which results in the vehicle shooting away.


Do not use a “final waypoint” with a height of 0m for landing. In case you exchanged a motor controller you may need to assign the correct ID to it according to its position.

Google Maps is quite easy. So far, these signals were not used by the receivers as they were still labeled experimental.


Skip to end of metadata. The helicopter would go on height control mode then, which would explain the behavior. Saturday, August 27, Now you need to georeference the image, therefore, we need the GPS position of the upper left corner and the lower right corner of the image.

You can find the correct IDs on the image below. But one time it happened during the take-off one motor had reduced thrust. Go to Google Maps ascyec go to the area of your interest Click on the lower left to select “Earth” mode Take a screenshot of the maps.

asctec-users – GPS mode behavior

In this case, the safety pilot can always recover by switching to height controlled or manual mode, but we understand that this behavior needs to be prevented in the first place. To fix this problem we have built a default firmware for the HL processor which reconfigures the GPS receiver, so that the problem is solved directly on-board the GPS unit. It g10 never intended to be used aufopilot the camera mount option 4.

This will not work. Does Pelican autopilot do any kind of flitering to mitigate this problem? Best, Jos On 26 August You find it here: The window also displays further information, like your current software version of the low-level and high-level processor.

Jos On 29 August In the event of unexpected behavior you can always use the RC to take over control. Two weeks ago I broke two rotors crashlanding the Pelican to stop it from running away in a GPS mode. On the top left of the window there is now something like “AutoPilot LowLevel “.


GPS mode behavior

Mostly it could be fixed by switching back to “normal” mode and control the UAS manually. Do not worry, your camera mount option 4 is not broken, you can control it by using the AscTec SDK and writing your own code.

I am trying to see whether the GPS connector might be loose, but it’s difficult to know since I can’t reproduce this behaviour deterministically. This description referes to Windows v110 Irfan View You may choose to crop the image to remove the window menus and the Google Maps autopiot.

Find the following lines: You should now see all the status information of the UAV In the “Packets” field you may select to receive more info packets e. It is highly recommended to perform a motor controller update with the Research Upgrade Tool after all IDs have been assigned properly.

Yesterday we flew the Pelican in GPS mode, and after a few minutes of stable flight, all of a sudden it started going in a direction, even when i took my hands off the RC controller. Hello there, thanks a lot for sutopilot information about the unusual behavior in GPS mode.