Dustin
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Heading taking precedence over stability. Compass importance information in stability mode.

Started this discussion. Last reply by Cam Donaghey Sep 7, 2013. 3 Replies

I have come to an idea of a problem that has shown up. The more i have read it seems this may be a problem for others also but never been explained. This may turn into a long post but it will be well…Continue

 

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Dustin replied to Cam Donaghey's discussion Quadcopter - APM 2.5 v3.01 - A multitude of problems.
"Any update on this?"
Oct 18, 2013
Dustin replied to Cam Donaghey's discussion Quadcopter - APM 2.5 v3.01 - A multitude of problems.
"Ok so i triple looked at your graph when you had the crash. Almost positive the crash started because of your barometer like we stated in the beginning. Towards the end, just before it crashes, your baro readings jump up and down quite a bit. Since…"
Sep 8, 2013
Dustin replied to Cam Donaghey's discussion Quadcopter - APM 2.5 v3.01 - A multitude of problems.
"Just looked at your new log, it looks like the apm is sending a equal signal out at the end of the log where you were possibly spinning the props up on the ground to check for motor spin visually."
Sep 8, 2013
Dustin replied to Cam Donaghey's discussion Quadcopter - APM 2.5 v3.01 - A multitude of problems.
"The motor logs are not the actual motor RPM. There is no way to tell actual rpm because there isn't an rpm sensor. The logs are showing you the output signal from the APM to the esc's. That is why i was wondering if you have applied the…"
Sep 8, 2013
Dustin replied to Cam Donaghey's discussion Quadcopter - APM 2.5 v3.01 - A multitude of problems.
"First issue, are you using the "V" type frame in the mission planner after you install the quad firmware? Also if you look at your motors and graph them. "motor 2" seems to drop quite low, i would bet thats the one that it spins…"
Sep 7, 2013
Cam Donaghey replied to Dustin's discussion Heading taking precedence over stability. Compass importance information in stability mode.
"I am having very similar issues to you with my quad, and my yaw graph looks just as bad as yours. I'm very interested to hear the results of your further testing. I have ordered a few components that will allow me to lift my GPS unit to a…"
Sep 7, 2013
Dustin replied to Randy's discussion ArduCopter-3.0.1 released!
"Just run the compassmot test with props in the same position as normal flying BUT make sure it cant move....... having to do the prop flipping is only so you can have it plugged into your computer and not have it fly away. The only reason they tell…"
Sep 6, 2013
Dustin replied to Dustin's discussion Heading taking precedence over stability. Compass importance information.
"Yes i have, where i stated that i was getting over 100% interference at full throttle."
Sep 6, 2013

T3
Richard Boyhan replied to Dustin's discussion Heading taking precedence over stability. Compass importance information.
"Interesting post. Have you run a compassmot yet?"
Sep 6, 2013
Dustin replied to Randy's discussion ArduCopter-3.0.1 released!
"There has been a lot of talk about the compass lately. Here are some of my findings and test results with 2.9 and 3.0 firmware. Please look at this post and give the community some…"
Sep 6, 2013
Dustin posted a discussion

Heading taking precedence over stability. Compass importance information.

I have come to an idea of a problem that has shown up. The more i have read it seems this may be a problem for others also but never been explained. This may turn into a long post but it will be well worth it to read.Keep in mind that all of this is during STABILITY mode flying. No auto, RTL or LOITER, which we know if the compass is off in those modes, it will "toilet bowl"PROBLEM During 2.9 firmware, Y6 frame, Yaw pulls one direction while only pitching forward on an aggressive angle. If…See More
Sep 6, 2013

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