RobAlbania
lvl.4
Albania
Offline
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I have studied the behaviour of my I2 in wind carefully, and I think the problem is firmware related and I will try to explain what happens:
With a conventional "manually controlled" drone in windy conditions, it is normal to tilt the drone into the wind so that it is in forward flight in the wind, although static above ground. Gusty conditions are a bit tricky because you have to continually compensate for the gusts by increasing or decreasing the tilt angle.
With the I2 hovering in windy conditions, the software does not attempt to tilt the drone into the wind at all. Instead it seems to allow the drone to drift downwind until it detects that it is "out of position", and then it flies it back to the original position and then it levels off and allows the drift to happen all over again. It is in effect an unstable control system because there is no compensation for the wind force or direction.
What is needed is some feedback mechanism whereby the software detects this continual leeward drift, and then it should gradually add compensation in the form of a tilt angle into the wind.
In strong wind, I can use "manual control" to hold the drone in a fairly stable hover, so long as I never "let go" of the sticks. But the moment I "let go" of the sticks, my I2 does this crazy dance like everyone is reporting, and it is quite frightening sometimes because it looks unstable and unsafe.
When there is no wind, the I2 hover is very stable.
Thanks,
Rob |
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