ArduCopter 2.6 released!
Version 2.6 of the ArduCopter code is now available in the AP Mission Planner and in the downloads area!
Updates to MavLink 1.0 means you will need to use "ArdupilotMegaPlanner10.exe" to connect. If you've updated your mission planner recently you should find this executable in the directory where the mission planner is installed.
The above video is done using a prototype 3dr ublox GPS which seems to have better accuracy than the standard mediatek.
Improvements over 2.5.5 include:
- MavLink 1.0 support (use with ArdupilotMegaPlanner10.exe) [Tridge, Craig]
- Stability improvements especially during level hover [Jason]
- throttle range improvement (higher min and max) [Jason]
- improved standard Loiter PIDs [Alan, Heino, Jason, Angel]
- dataflash erase speed up ('+' messages removed but it only takes 6 seconds now) [Tridge]
- Copter LEDs [Robert Lefebvre]
- RTL loiter stage target set to home to improve final landing position [Jason]
- flip & acro improvements [Jason]
- circle mode target improvement for ground station [Jason]
- Auto Approach [Adam Rivera / Marco]
Bug fixes include:
- UBLOX driver fixes (lock should now be more reliable) [Tridge]
- enable mavlink messages during dataflash erase which resolves issue in which new APMs fresh from the factory appeared unresponsive [Tridge]
- proper printing of lat/lon values in dataflash logs [Randy]
- removed duplicate GPS reads [Jason]
- resolve flooding of telemetry link with low-battery warnings [Tridge]
- RTL bug would land if rtl_approach_alt was more than 1 [Jason]
- WP Radius could not be set larger than 1.3m [Jason/Randy]
Tuning:
PIDs are optimised for the 3DR/Jdrones quad with 850 motors and 10" props. If you're using more powerful motors/props and are seeing bad flight behaviour in stabilize, start by turning down Rate Roll P in 25% steps.
This time we spent some time optimising the loiter PIDs. Tuning loiter can be tricky so please refer to the discussions which will appear below for more community feedback on what parameters work best.
All feedback welcome below. Enhancement requests and bug reports can be put into the arducopter issues list. When possible please include logs (tlog and/or dataflash) and tell us whether you're using APM1 or APM2 and what version of the software you're using (presumably 2.6 but tell us anyway!).
Happy flying!
Replies to This Discussion
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Permalink Reply by Manfred Dickgiesser on -
Yes yesterday I tested the new 2.6 and I had the same effect. Only switching to ALT Hold in about 15 meter and the T-Rex 450 dropped out of the sky. It worked well before the change to 2.6.
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Permalink Reply by Grips on -
I just flew a pack with 2.6. I found it well. The loiter was a bit better but still needs some tuning on my part. I found the stability was much better with 2.6 than 2.5. It might be a placebo type effect but I found my copter handled wind better.
For anyone getting the Mavlink error, there are two executable files. The one with 10 in the filename is the Mavlink 1.0 one.
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Permalink Reply by Jo on -
Guys this is my first post here, I am still a noob on navigating this wiki and even my Tri. I'd like to know which PID's to play with if my YAW is slow. Secondly...when I loiter the tri seems to swing more and more to left and right.... Its like the autocorect settings happen to slow...
I have a Rc Explorer design with DT750 motors, 3 cell bat, and about 1.6kg in weight...
Any help please pointing to which PID's to adjust
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Permalink Reply by Marc Puig Pasarrius on -
I had a similar tri, I've attached the .param file. Open with a text editor and you will find the PID's.
- Attachments:
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tri-latest.param, 2 KB
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Permalink Reply by Jo on
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I forgot to mention I am on 2.6 and using 11x4,7 props...3,3bat... From KK days this gives longest fly time.... Might I add it seems I get longer flying time now with APM2
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Permalink Reply by ultrojo on -
i got 1 problem about MP version 1.1.92 MAVlink 1.0
after write waypoint to APM2, i cannot click menu configuration,
attached screen shot error appear something like DLL missing.
i update again MP, now can go to configuration menu, but if write waypoint again, same error occure.
how to solve it.?
thanks
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Permalink Reply by Michael Pursifull on -
Did you run Mission Planner from within the ZIP file without extracting the files?
If so, please extract all the files from the ZIP to a folder, and *then* run mission planner, or go download the MSI installer for Mission Planner if you don't understand what I am talking about.
If not, go to "Help" and "Check for Updates", since something is missing.
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Permalink Reply by IK1ZYQ Roberto on -
Hello, on the topic "Copter LEDs" where I find the documentation for how to connect the harness and control of the LEDs? thanks
Roberto
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Permalink Reply by Jo Peer on -
I've just uploaded 2.6.
I actually wanted to start over fresh, but it seems that all my previous parameters and settings are still the same as my last settings.
How can I update to new standard PID settings?
There used to be a command eeprom clear (reset).
Apparently it's not done automatically.
Can some tell me how to do a clean install?
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