How to keep constant ground speed during auto mode (surveying grid)?

Hi! I’ve some problems about ground speed in auto mode from waypoint to waypoint.
sometimes it can reach to traget speed (12m/s) but sometime it can’t reach and fly with 6-11 m/s.
What parameter should change in this case?


You will need to increase the navigation acceleration and jerk parameters. How stable are your control loops?

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Do you mean waypoint acceleation (WPNAV_ACCEL)?

Here is a post to improve Z acceleration and reactiveness:

But for your application just use the XY (horizontal) parameters instead of the Z parameters posted above.

How stable and snappy are you control loops?