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VTOL: treat Descend mode as Land #22843

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merged 2 commits into from
Mar 7, 2024
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sfuhrer
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@sfuhrer sfuhrer commented Mar 6, 2024

Solved Problem

In Descend mode (failsafe mode after position loss in hover auto modes), the pusher assist is not running. It is expected that it runs in Descend as it does in Land, as the implications of the descend mode are the same as for Land (vehicle needs to reduce altitude and is about to have ground contact, for which for some vehicles it is better to disable pusher assist).

Solution

Treat Descend as Land.

Changelog Entry

For release notes:

Improvement: VTOL forward thrust assist: treat Descend as Land mode.

Alternatives

We could also keep it fully disabled in Descend as it is currently.

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
@sfuhrer sfuhrer added the Hybrid VTOL 🛩️🚁 Multirotor + Fixedwing! label Mar 6, 2024
@sfuhrer sfuhrer requested a review from RomanBapst March 6, 2024 07:48
@jongell
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jongell commented Mar 6, 2024

tested here https://suite.auterion.com/logs/2cb31db9-a836-47ee-9c06-9fd1b2569c95

Loiter, stop GPS driver, Emergency land, forward nudging results in tiltservos moving

So it worked

@sfuhrer sfuhrer merged commit 1e253a9 into main Mar 7, 2024
90 of 92 checks passed
@sfuhrer sfuhrer deleted the pr-vtol-pusher-assist-descend-main branch March 7, 2024 09:22
jwwaite pushed a commit to AIVS-Inc/PX4-Autopilot that referenced this pull request Mar 10, 2024
* vtol_type: enable pusher assist also in Descend mode

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>

* vtol_type: treat Descend as Land for pusher assist

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>

---------

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
Peize-Liu pushed a commit to Peize-Liu/PX4-Autopilot that referenced this pull request Mar 24, 2024
* vtol_type: enable pusher assist also in Descend mode

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>

* vtol_type: treat Descend as Land for pusher assist

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>

---------

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
asimopunov pushed a commit to asimopunov/Firmware that referenced this pull request Apr 12, 2024
* vtol_type: enable pusher assist also in Descend mode



* vtol_type: treat Descend as Land for pusher assist



---------

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
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3 participants