Cyclic Nod when AP engaged
- miltondr
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13 Jan 2023 15:16 #4770
von miltondr
Cyclic Nod when AP engaged wurde erstellt von miltondr
Hi hope somebody can solve this quickly, on Version: 5.13 when the AP is engaged above 30kts I can see the Cyclic nodding back and forth and the flight profile isn't completely stable, disengage the AP and the cyclic nodding stops and stable flight.
Is just Is there a setting or something I have set up wrong? It's annoying as the AP on the 135 is pretty rock solid The other plugins runningReality XP GTNAVITab I read that you have follow up trim configure for 30kts, is there a setting to increase it to see if that get rid of the nodding?
Is just Is there a setting or something I have set up wrong? It's annoying as the AP on the 135 is pretty rock solid The other plugins runningReality XP GTNAVITab I read that you have follow up trim configure for 30kts, is there a setting to increase it to see if that get rid of the nodding?
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- rotorsim
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22 Jan 2023 10:45 #4777
von rotorsim
rotorsim antwortete auf Cyclic Nod when AP engaged
The transition from follow-up mode to normal mode takes place at 30 KIAS. As in reality, this is hard-coded into the AP.
At this moment, the AP sets the current attitude as a reference. It tries to compensate for differences with the trim. If your stick and the required trim for the reference are significantly apart, the effect you have described will occur. The big difference to reality is that we have to work with an internal trim because we don't have a motorized stick.
Possible solutions:
Make sure the stick isn't too far off center when transitioning. This works very well with smooth acceleration.
After the transition, press FTR, steer to the desired attitude and release FTR. In the case of a stick with a centering spring, after releasing FTR, allow the stick to return to the centered position within a maximum of 1.2 s. For that long, the override detection is suppressed.
At this moment, the AP sets the current attitude as a reference. It tries to compensate for differences with the trim. If your stick and the required trim for the reference are significantly apart, the effect you have described will occur. The big difference to reality is that we have to work with an internal trim because we don't have a motorized stick.
Possible solutions:
Make sure the stick isn't too far off center when transitioning. This works very well with smooth acceleration.
After the transition, press FTR, steer to the desired attitude and release FTR. In the case of a stick with a centering spring, after releasing FTR, allow the stick to return to the centered position within a maximum of 1.2 s. For that long, the override detection is suppressed.
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