Replies to This Discussion

Permalink Reply by Peter Seddon on July 23, 2011 at 2:46pm

Any chance of an option to use I2C ESC's especially for Octa's?

Peter

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Permalink Reply by Helldesk on July 23, 2011 at 2:52pm

Would moving the IMU calibration mean you have to keep the copter still when arming instead of at powerup - and keep that in mind every time you disarm and plan to arm it again? What if you wanted to arm it and launch when holding it in your hand?

Does alt hold currently control the copter like it's flown in stabilize mode? How about loiter - when do you fly the copter and when "the compass", so to speak?

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DeveloperPermalink Reply by jasonshort on July 23, 2011 at 2:55pm

We can do the IMU once while it's on the ground and not do it again. That was the original plan.

No I2C plan yet.

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Permalink Reply by druckgott on July 23, 2011 at 3:17pm

Is it posible to upload this versions also to the download section, because I allways upload it with arduino and not with the mc

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DeveloperPermalink Reply by jasonshort on July 23, 2011 at 3:18pm

You got it. And you can also use SVN to get your updates too!
Jason

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Permalink Reply by druckgott on July 23, 2011 at 3:24pm

Ah ok thx, that´s nice. I don´t want to install an SVN Client, it´s enougt if I get the beta version. Do not need eavry snv state ;-)

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Permalink Reply by Niklas Goddemeier on July 23, 2011 at 3:43pm

Hi everybody,

I have been testing 2.0.37 over the last few days. Stabilize and simple mode worked awesome. During Althold I noticed a few motor burst but it kept its altitude alright. I think the bursts were due to the wind. Loiter worked ok with default PIDs. it stayed within a radius of about 2 meters. This can probably be increased by tuning the PIDs.

After all, I changed from 2.0.33 to 2.0.37 and noticed a big step toward overall stability. Thank you for doing such a great job.

I think doing the imu and baro calibration during arming is a good idea. I didn't check if also done but setting the home location during first arm might be good as well, I have noticed that the first few fixes aren't that great.

I didn't get around to check but was there an issue with alt hold in auto mode between to waypoints?

 

Keep up the good work and thank you very much,

Niklas

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Permalink Reply by u4eake on July 23, 2011 at 3:52pm

My suggestions :

1) On low battery, only let the copter go into RTL when in "automatic" modes. Maybe it's even better to let it land itself instead of trying to make it back with no juice left ?

2) Blinking leds on low battery ?

3) How does the rate approach work for slowing the copter down when approaching a waypoint ?  Mine still overshoots largely.  Should I just increase rate  P ?

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Permalink Reply by Helldesk on July 23, 2011 at 4:20pm

AC2 has had motor led support on AN pins since 2.0.16, right? There could easily be an option to make them blink on low battery.

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Permalink Reply by Dani Saez on July 25, 2011 at 2:52am

I'm also in for points 1 & 2 !!!

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Permalink Reply by Matt Gaige on July 23, 2011 at 5:32pm

I for one would enjoy Alt-Hold in Simple mode.  Please do!

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Permalink Reply by John Hanson on July 23, 2011 at 9:38pm

Alt-hold in simple mode would be very cool!  I am also very excited to see the optical flow sw coming in.  I could see a very neat 'low alt survey mode'  where we could set alt hold at a meter or two and use optical flow sensor for a beeline between waypoints - one could survey rough terrain or mountain sides close up very accurately.

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