DJI's Compass Problem
Автор: Ian Wood
Загружено: 2014-03-22
Просмотров: 19011
Описание:
In many parts of the world, the DJI Phantom 2 and 2 Vision won't fly straight when you take them out of the box. This is because the Naza flight controller doesn't do anything to adjust for magnetic declination. Instead, the Naza slowly adjusts to the declination over several minutes of flying. This wouldn't be so bad if the Naza remembered this adjustment on your next flight. But it does't and you have to start over every time. By the time the Phantom has figured out how to fly straight, you only have a few minutes of flying left.
Meanwhile, it is trivial to adjust automatically for declination. A few lines of code. Your GPS coordinates are used to find the local declination in a 1.6Kb lookup table and your compass reading is adjusted by that value. DJI, please fix this!
As of March 22, 2014, this impacts all Phantom 2 and P2V quad-rotors using the latest firmware (1.08). Multiple users have reported this problem in:
Western US and Canada, Northeastern US and Canada, Northeastern South America, Eastern Australia, New Zealand, Southern Africa.
If you have this problem with your P2 or P2Z, report it here: http://www.phantompilots.com/viewtopi...
If it's a P2V, go here:
http://www.phantompilots.com/viewtopi...
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