Low altitude autonomous mission with the MaxiSwift piloted by the ArduPlane v2.73-xp1

The MaxiSwift flying wing has donne successfully a low altitude flight autonomous mission (< 30m AGL) under flight plan piloted by the ArduPlane v2.73-xp1. A color camera onboard with an OSD display in real time the video of the flight and the data on the ground station screen. (Wind 7 km/h, gusting 15 km/h)

- Avionic setup:
- ArduFlyer v2.5.2 (RCtimer)
- firmware ARduPlane v2.73-xp1 (JLN version)
- GPS: Crius CN-06 V2 (Ublox NEO6M) updated by JLN
- Airspeed sensor MXV7002DP
- OSD Rembizi
- 5.8 Ghz Video transmitter
- CCD color camera for FVP
- Receiver: Multiplex RX-7 M-link
- Transmitter: Multiplex Royal EVO9 M-link 2.4 Ghz
- Lipo 3S 2650 mAh Turnigy
- Brushless motors Spitz 15 #85570/200 Watts 1130KV
- propeller 10x7 APC-E
- ESC 40A for the motor
- Take Off Weight (TOW): 1240 g
- Flight time: about 15 min

Below some photos:

Full mission photos and data at: 

https://github.com/jlnaudin/x-drone/wiki/x-drone:-MaxiSwift,-missio...

More infos at:
https://github.com/jlnaudin/x-drone
http://diydrones.com/profile/JeanLouisNaudin

Views: 1546

Tags: arduflyer, ardupilot, autopilot, calmato, drone, plane, rc, uav

Comment by Hugues on December 9, 2013 at 11:28am

Commencant tout juste un projet arduplane, apres m'etre investi dans arducopter depuis une annee, j'aimerais apprendre pas mal de choses sur le ailes volantes. As-tu un blog descriptif de la construction de ton aile au niveau de l'installation des commandes et de l'electronique ? Ou as-tu achete cette aile ?

Quels sont les PID configures pour cette aile ?

Pour commencer est-ce sage de commencer par une aile directement ou est-ce trop difficile a piloter en manuel ?

Comment by Rana on December 9, 2013 at 11:00pm

JLN, I really enjoyed this video ! You are a hero, man !


Developer
Comment by Jean-Louis Naudin on December 9, 2013 at 11:51pm

Thanks Rana for your encouraging comment.

@ Hugues: I answer you in english because this is the common langage of this blog.

The MaxiSwift is manufactured by MS Composit and if you do a web research on "MaxiSwitf MS Composite" you will find a lot of infos on this very common EPP foam flying wing and about the resellers Worldwide.

Below the connection diagram used for the MaxiSwift and the Arduplane:

And the PID values:

The full PID parameters files for Arduplane v2.73-xp1 can be downloaded at:

https://github.com/jlnaudin/x-drone/raw/master/parameter_files/Maxi...

You will find a lot of info about my tested in flight setup at:

https://github.com/jlnaudin/x-drone/wiki/x-drone:-MaxiSwift,-missio...

Below some tutorial which can be helpful:

Piloting a flying wing is quite simple but you need to take care about the launch by hand because of the rear propeller.

May be that you may start first with an EasyGlider or an Easystar e-glider...

Best Regards,

Jean-Louis


Developer
Comment by Jean-Louis Naudin on December 10, 2013 at 12:41am

The MaxiSwift for HIL simulations on X-Plane v9.70 is soon coming...

I am finishing to build and test a replication of my real MaxiSwift flying wing for X-Plane v9.70 and HIL simulations with ArduPlane v2.73-xp1 and the APM... Stay tuned, I shall soon release the X-Plane model...

Below some pictures of the HIL simulations:

More infos at: 

https://github.com/jlnaudin/x-drone/wiki/x-drone:-MaxiSwift,-the-X_...

Best Regards,

Jean-Louis

Comment by Manu on December 10, 2013 at 2:29pm

Very impressive Jean-Louis, as always.

In your connection diagram, I can see you are rolling your throttle wire around a green (metal?) ring, is this necessary or just desirable ? what is the real effect of that ?

Tx


Moderator
Comment by Gary Mortimer on December 10, 2013 at 2:59pm

That's a ferrite ring, the better speed controllers come with them. I think they help quieten down MOSFET noise or the like but don't quote me.


Admin
Comment by Thomas J Coyle III on December 10, 2013 at 3:25pm

@Gary,

Many of the better ESCs have switching BECs, instead of linear regulators, and there will be a little switching frequency noise on the BEC power line (red wire) on the throttle cable. This switching frequency noise is usually mitigated by wrapping the throttle cable through a ferrite torrid (green ring) as described above.

Regards,

TCIII ArduRover2 Developer 


Developer
Comment by Jean-Louis Naudin on December 10, 2013 at 11:11pm

@Manu,

Yes, I fully confirm what said Gary and Thomas, this is a ferrite toroid for EMI suppression.

FYI, in the photo, this is not an ESC but a 5V uBec, but in the real model, I have used a true ESC (of course).

Regards,

Jean-Louis


Developer
Comment by Jean-Louis Naudin on December 10, 2013 at 11:16pm

I strongly recommend to add a 4700 µF/16V capacitor on 5V DC line directly plugged with short wires on the output of the APM. This capacitor avoid voltage drop (and thus the reset in flight of the APM) on the 5V DC line when the servos drawn too much current.

Regards,

Jean-Louis

Comment by Hugues on December 10, 2013 at 11:20pm
Thx a lot for the information!

Comment

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