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Introduction

GPS assist add an extra assistance to a primary flight mode, usually stabilized using Attitude or Rattitude.

This mode assumes you already got a good PositionHold mode without Mag alarms and a well tuned multirotor (or weird behavior may

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happen in braking mode).

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Horizontal logic

When stick are centered, vehicle is locked with GPS in PositionHold mode.

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Go to Config > Input > Flight Mode Switch Settings

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In Assisted control column, the GPSAssist tag add GPS Assist to the third flight mode pos, basically Rattitude mode + CruiseControl

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In RcInput tab, look at GPS Assist deadband.

In VtolPathFollowerSettings:

  • ThrustLimits > Neutral : The Throttle neutral value to hover.
  • BrakeMaxPitch: The max bank angle allowed while braking
  • BrakeVelocityFeedforward: A multiplier of the desired velocity for a Pitch/Roll command (test values between 0-2)
  • BrakeHorizontalVelPID: PID controller used during brake sequence.
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