Replies to This Discussion

DeveloperPermalink Reply by Marco Robustini on July 25, 2012 at 11:29pm

Hi all!
Here all logs of my latest extreme test, my quad in AUTO mission with gusty wind over 40 km/h!
Look at the inclination of the quad during the waipoint 3 <--> 4, is over 30°.
Enjoy with AC 2.7!

Cheers,

Marco

Attachments:

• logs_auto_gusty_wind_Quaddino_Marco_06.zip, 1.5 MB

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Permalink Reply by John Hanson on July 26, 2012 at 8:39pm

Marco - Why are your mag headings all 0?

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3D RoboticsPermalink Reply by Chris Anderson on July 25, 2012 at 11:34pm

Thanks for all your work with this Marco! It wouldn't have been so good without your patience + experience. Best test team leader ever!

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DeveloperPermalink Reply by Marco Robustini on July 25, 2012 at 11:41pm

Thanks Chris, the credit goes to the whole team, including you!
After making hundreds of flights I can safely say that this version absolutely will not give problems during fly, has a high level of security and stability.
Obviously, and as always all need to make a good tuning and figure out how to adjust the parameters before venturing into "extreme missions".
The test I performed with my APM2 in extremely strong winds have strengthened the soundness of the DCM (thanks Tridge), if there were problems they would come out, the quad was literally tossed in the air.
Now it will only make "cosmetic touch-ups"...

Enjoy! :-)

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Permalink Reply by Don Fiedler on July 28, 2012 at 7:35am

How can I reload 2.6, I have tried 2.7 for several flights and it wants to keep dipping the copter to what I think is where it wants to go in loiter and it is all over the sky. 2.6 worked perfectly, but if I download it, 2.7 still shows uo in the firmware.....Don

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Permalink Reply by sgaert on July 26, 2012 at 1:56am

Hi all.
Yesterday i had a problem with my self compiled version from Sunday.
The first small Problem was that only the CCW Motors start turning. (i have a logfile if you need)
After an Hardreset (Accu off and on) all Motors are ok.
But then came the scary moment in my quad time.
I activate the Motors and the Quad goes with Highspeed in the air.
In the logfile i see that short before the RTL Mode goes active (Ch7 to high), i didn´t do that on the transmitter.
The second high on CH7 (Mode RTL) was my reaction of the climbing quad.
The reaction was not what i expected. Later i tried to catch the Quad via Guided Mode to 50m. The quad flys to the point but climb.
Than i tried Loiter Mode with nearly no throttle and the quad climbs to 400m than he start with descent.
The Quad descent to 150m than the connection lost and the log onboad stops.
The GND lane on the Powersensor burned away. The last 150m he descent with no power and landed in 30cm high grass with nearly no damage. Only the legs are broken.
My question is not why the mode switched to RTL without user input. Maybe error in CPPM will go back to PPM.
The question is why start the Quad up in the air, all my throttel input is lower as the normal hover throttel?
And why he climbs more in Guided and Loiter Mode?

I also have a log from Tuesday the Quad toggeled between Stable and Guided mode without user input.

I hope somebody can say what going wrong with my quad yesterday, on Tuesday the quad was good to fly.,,

Thank you,

Stefan

Attachments:

• Error.png, 34 KB
• 2012-07-25 20-17-54.tlog, 182 KB
• 2012-07-25 21-17 3.log, 831 KB

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Permalink Reply by sgaert on July 26, 2012 at 2:01am

And the Parameter file.

I changed the setup after i stored that file.

NAV_LAT_P,1.8

NAV_LAT_I,0.08

NAV_LON_I,0.08

NAV_LON_P,1.8

LOITER_LAT_P,1.8

LOITER_LON_P,1.8

RATE_PIT_P,0.105

RATE_RLL_P,0.105

Attachments:

• Parameter 2.7.param, 4 KB

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Permalink Reply by sgaert on July 26, 2012 at 2:31am

And as last the tlog file from the toggle between Stable and Guided Mode.

Attachments:

• 2012-07-22 14-19-25.tlog, 192 KB

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DeveloperPermalink Reply by Marco Robustini on July 26, 2012 at 4:33am

The system switch in RTL without user input when loose connection with the receiver (the link with CH3, the throttle channel), but not when the quad is disarmed and without a good gps fix, only during fly.
About your issue have you checked the built-in failsafe of your tx/tx?

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Permalink Reply by sgaert on July 26, 2012 at 4:46am

HI, i don´t have an active failsafe in the TX/RX.

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DeveloperPermalink Reply by Marco Robustini on July 26, 2012 at 4:59am

I analize your log now, i'm scared, I suggest you try to reset your board, rewrite 2.7 and try again without propellers.
I see the quad splashing in the air without any input, and this has never happened to anyone during the test.
Your have armed the motors in "Acro" and takeoff in "RTL"....mmmm..... you CH5 switch mode is correct?

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Permalink Reply by sgaert on July 26, 2012 at 5:10am

The Mode Switch (CH5) was befor and after that flight ok.

I armed the motors in Acro and befor "i" takeoff the quad takeoff in RTL mode.

Can you see something why the quad climbs in Guided and Loiter mode?

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