"Hi
Did you work out an answer to your problem?
I have my new quadcopter flying OK in stabilise mode. It has 4 x 300w motors so created a few scares until I lowered Rate P to .09.
I thought I would try out the Loiter mode. Hovering at 1m, flick…"
ampilot's Discussions
Compas declination
Started this discussion. Last reply by RedPalm Dec 10, 2012. 3 Replies 0 Likes
I've tried to use auto compass declination and manual with value (+4deg) from website, but direction displayed on MP was still not right. So I've put some experimental value (-5deg) with which my…Continue
Simple mode question/problem.
Started this discussion. Last reply by Georges P. Aug 9, 2012. 6 Replies 1 Like
I wanted to test simple mode, but I don't understand how it works, or it is not working. I've hexacopter with AC 2.7.1, I've checked "Simple mode" checkboxes at all flight modes, but I don't see any…Continue
How to check GPS aware flight modes ?
Started this discussion. Last reply by Tony Foate Jan 9. 1 Reply 0 Likes
Is there any way, to test Loiter, RTL, Auto modes without flying ?I've tested Stabilize, Alt-hold and Land modes, and they are working well. But when I switched to loiter, my copter tried to run-away…Continue
Yaw tuning
Started this discussion. Last reply by Randy Jul 29, 2012. 9 Replies 0 Likes
My hexacopter flies in stabilize mode very well on default parameters, the only small problem is with yaw control. First of all YAW response jest very weak in comparison to roll and pitch. Next, yaw…Continue
ampilot's Page
Latest Activity
Simone Chiaretta replied to ampilot's discussion Pitch direction"Couldn't find any issue mentioning this, and the problem still exists, so I created it:
http://code.google.com/p/arducopter/issues/detail?id=531"
RedPalm replied to ampilot's discussion Compas declination"Related questions about declination.
How precisely correct does declination need to be for the simple-mode and GPS features to work reasonably well?
For example, is being correct to within 1 degree good enough? Or does it matter to make it correct…"
ampilot replied to Gerrit Jan Baarda's discussion How to run mission planner on debian"Thx! It works now."
ampilot replied to Gerrit Jan Baarda's discussion How to run mission planner on debian"Version 1.2.11 also fails, but with other messages:
mono ArdupilotMegaPlanner10.exeINFO Program - ******************* Logging Configured *******************INFO ArdupilotMega.MainV2 - Mainv2 ctorINFO ArdupilotMega.MainV2 - myview width…"
ampilot replied to Gerrit Jan Baarda's discussion How to run mission planner on debian"Unfortunately it fails on my computer:
INFO Program - ******************* Logging Configured *******************INFO ArdupilotMega.MainV2 - Mainv2 ctorINFO ArdupilotMega.MainV2 - myview width 1008 height 461INFO ArdupilotMega.MainV2 -…"
ampilot replied to Randy's discussion ArduCopter 2.7.2/2.7.3 released"In the code of do_land function, there is a call:
set_next_WP(¤t_loc);
so as I understand it makes loiter with descent.
"
DeveloperRandy replied to ampilot's discussion Landing and Sonar in the group ArduCopter User Group
"By the way, there can be spikes in the readings from the sonar caused by electrical noise. This can be caused by being too close to ESCs or motors and if you don't have a cap + resistor on the powerline as recommended by MaxBotix. …"
DeveloperRandy replied to ampilot's discussion Landing and Sonar in the group ArduCopter User Group
"Not quite as sophisticated as a Kalman filter but there is a median filter on it which throws away the top and bottom values regularly so you end up with just the good values in the middle.
Yes, perhaps we need to improve the landing code a…"
ampilot added a discussion to the group ArduCopter User Group
Landing and Sonar
Yesterday I did some testing of sonar.I see that sonar altitude isn't smooth - it is understandable, as the ground isn't flat (I was flying over grass and small bushes). That implies nervous jumping of my hexa when flying on low altitude.I think, that sonar data should processed somehow (Kalman, moving average?) before it will be used in altitude calculation.The second issue is auto-landing. When my hexa touches ground, it starts bouncing.I think, that using baro, sonar and accelerometers it…See More
Giorgio Riccardi replied to ampilot's discussion Log analyze in the group ArduCopter User Group"Hi ampilot,
you can open the log.gpx file with a standard text editor, it is an xml file basically and you can check if some of the data that you are looking for are enabled.
e.g. here are some examples:
<trkpt lat="47.0691699"…"
Developerjasonshort replied to ampilot's discussion Log analyze in the group ArduCopter User Group
"Post your log here and I'll make a KML of it.
I have some perl script I use to parse log files. They only work in BBEDIT, but I'd be glad to share them if interested.
Jason"
ampilot added a discussion to the group ArduCopter User GroupLog analyze
Today I was flying my hexa without telemetry. Now I want to see some details from my flights, but I don't know how. I've successfully exported logs from APM and I have *.log, *.log.gpx and *.kmz files.I can open kmz in Google Earth, but I don't know how to check altitude and speed during flight.Is it possible in Earth ? Or it is in other files ?See More
ampilot replied to Randy's discussion ArduCopter 2.7.2/2.7.3 released"I think, that this problem is related to fast waypoints. Currently in AUTO mode, AC reads one WP ahead to calculate angle. I don't know yet where is the bug, but I'm checking..."
ampilot replied to Randy's discussion ArduCopter 2.7.2/2.7.3 released"Today I had a chance to fly my hexa with 2.7.3 and I'm really impressed. Compass auto calibration works- in previous versions, I had to change it manually by -4 deg. Alt-Hold and Loiter works perfect, at least with very light wind.
There are…"
ampilot commented on lot's blog post Quad copter flying for 4-8 hours"Lithum-Sulphur rechargable batteries may have 50% more energy than LiPo.
Lithium batteries (non-rechargable) may have more than 100% energy than LiPo.
In short future Li-air batteries may have 10 times more energy than LiPo. Prototype is expected in…"
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