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Position loss failsafe configurable delay removed (COM_POS_FS_DELAY) #3479

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Dec 11, 2024
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Merged

Position loss failsafe configurable delay removed (COM_POS_FS_DELAY) #3479

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Position loss failsafe configurable delay removed
hamishwillee Dec 3, 2024
4f5015f
Merge branch 'main' into remCOM_POS_FS_DELAY
hamishwillee Dec 11, 2024
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7 changes: 3 additions & 4 deletions en/config/safety.md
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Expand Up @@ -196,10 +196,9 @@ If VTOLs have are configured to switch to hover for landing ([NAV_FORCE_VT](../a

The relevant parameters for all vehicles shown below.

| Parameter | Description |
| ----------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- |
| <a id="COM_POS_FS_DELAY"></a>[COM_POS_FS_DELAY](../advanced_config/parameter_reference.md#COM_POS_FS_DELAY) | Delay after loss of position before the failsafe is triggered. |
| <a id="COM_POSCTL_NAVL"></a>[COM_POSCTL_NAVL](../advanced_config/parameter_reference.md#COM_POSCTL_NAVL) | Position control navigation loss response during mission. Values: 0 - assume use of RC, 1 - Assume no RC. |
| Parameter | Description |
| ----------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- | |
| <a id="COM_POSCTL_NAVL"></a>[COM_POSCTL_NAVL](../advanced_config/parameter_reference.md#COM_POSCTL_NAVL) | Position control navigation loss response during mission. Values: 0 - assume use of RC, 1 - Assume no RC. |

Parameters that only affect Fixed-wing vehicles:

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4 changes: 3 additions & 1 deletion en/releases/main.md
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Expand Up @@ -29,9 +29,11 @@ Please continue reading for [upgrade instructions](#upgrade-guide).

### Common

- [Battery level estimation improvements](../config/battery.md) ([PX4-Autopilot#23205](https://github.com/PX4/PX4-Autopilot/pull/23205)).
- [Battery level estimation improvements](../config/battery.md). ([PX4-Autopilot#23205](https://github.com/PX4/PX4-Autopilot/pull/23205)).
- [Voltage-based estimation with load compensation](../config/battery.md#voltage-based-estimation-with-load-compensation) now uses a real-time estimate of the internal resistance of the battery to compensate voltage drops under load (with increased current), providing a better capacity estimate than with the raw measured voltage.
- Thrust-based load compensation has been removed (along with the `BATn_V_LOAD_DROP` parameters, where `n` is the battery number).
- The [Position (GNSS) loss failsafe](../config/safety.md#position-gnss-loss-failsafe) configurable delay (`COM_POS_FS_DELAY`) has been removed.
The failsafe will now trigger 1 second after position has been lost. ([PX4-Autopilot#24063](https://github.com/PX4/PX4-Autopilot/pull/24063)).

### Control

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