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Hugues
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Hugues's Groups

Hugues's Discussions

How to use SITL simulated vehicle to test a real antenna tracker ?

Started this discussion. Last reply by Jakub Oller May 16, 2016. 4 Replies

Hello,I would like to test a real antenna tracker, driven by a Pixhawk and the antenna tracker firmware,  which is setup "in the middle" : on one side the antenna tracker is linked via 3DR radio to the vehicle, on the other side, it is linked to a…Continue

What is the status of 3DR radios?

Started this discussion. Last reply by Art Feb 3, 2016. 5 Replies

A user reported on this forum a 3DR representative announcing 3DR is stopping the 433 and 915 radios. I assume this is incorrect information or is it? Can a 3DR official give the real status?If 3DR really stops the radios, what could be reliable…Continue

AirbotServices's light 45gr Mobius 2 axis gimbal+vibrations tests

Started this discussion. Last reply by iskess Jul 28, 2015. 4 Replies

Finally found a bit of time to test the light 45gr 2 axis brushless gimbal we built for the Mobius camera,PS for Cala : better late than never ;)Continue

Tags: lightest, gimbal, Brushless, camera, Mobius

How to configure CAM_TRIG_DIST to ouput a PWM signal from a Pixhawk output ?

Started this discussion. Last reply by Jim Kahmann Jun 13, 2016. 6 Replies

Hi,I would lile to use the Survey function in mission planner which uses the CAM_TRIG_DIST method to trigger a camera at regular distance intervals.I'm using an infrared camera trigger which is activated by a PWM signal (configurable).The question…Continue

Is Minimosd incompatible with Sony NEX5R ?

Started this discussion. Last reply by Hugues Jan 7, 2014. 17 Replies

Hello,I'm trying to use my Sony NEX5 camera as a FPV camera using this HDMI AV converter :…Continue

NEVER connect a Capacitor backup or voltage protector on APM board

Started this discussion. Last reply by Hugues Nov 19, 2013. 71 Replies

Hi,Edit : from the posts below I deduce the issue seems specific to my config. Threfore I remove temporarily my request to add a line a caution in the wiki as it might not be a general problem for everyone, until further investigation and…Continue

[PROBLEM] Mission planner updater error

Started this discussion. Last reply by dudz Apr 17, 2013. 5 Replies

Hi,I launched today the mission planner that started an auto update. It starts downloading files updates (as visible in the console window) but after 2 minutes it stops with error, giving this display and error message:…Continue

LEDs use on APM2.5 board

Started this discussion. Last reply by TJ Feb 2, 2013. 1 Reply

Hello,I have seen a picture in the Wiki for the 2.0 APM board showing ouputs A9 to A4 being named "Motor LEDs".Is there any explanation what that is and how is it used ?For example can those outputs be used to power 12Volts LED strips ? (or is it…Continue

Programming with Arducopter/Arduino

Started this discussion. Last reply by duster3 May 6, 2013. 15 Replies

Hello,I would like to compile and upload the Arducopter code to my UAV. To do so I followed the instructions on the wiki, that is :-installed the Arduino 1.0.3 (Arudpilot) version on win7-installed the 2.8.1 software version (the two folders…Continue

Tags: Arducopter, Arduino, Programming

 

Hugues's Page

◾ About Me:

◾I'm the founder of AirbotServices that provides UAV expertise and services for professionnals. We aim more particularly at serving the agriculture, real estate and industrial sectors.
Web site : www.airbotservices.com

Background:

◾Engineer - Ecole Polytechnique of Brussels (ULB), specialization in Telecom & Electronics
◾MBA - Solvay Business School (ULB).

Please tell us a bit about your UAV interest:
◾I dove into the subject a few years ago when I was searching how to upgrade a very bad camera on my 8 years old son's remote controlled helicopter.
◾I found the diydrones community on the basis of which I built up this passion.
◾Contributing Blogger and Editor of DIYDrones APMcopter and APMplane wikis.
◾Currently developing AirbotServices products and services.

Latest Activity


MR60
Hugues posted a blog post

Unboxing / Disassembly / Review of the CUAV V3 autopilot

Unboxing / Disassembly / Review of the CUAV V3 autopilot.We take a look at one of the latest generation autopilot running the Ardupilot software. How is its build quality and functionality ?How does it compare to a Pixhawk autopilot ?See More
Jun 11

MR60
Hugues commented on alexis lussier desbiens's blog post Aquatic drone with passive VTOL
"i love this. HAd a kick with the dive landing. How did you waterproof the electronics and motor?"
Jun 5

MR60
Hugues commented on Kostas Alexis's blog post Open-source: Localization Uncertainty-aware Exploration and Mapping Planner
"this experiment shows very well why nature decoupled vision/perceptive organs from a conscencious brain decisions (to move there or there). It is faster and more efficient."
Jun 3

MR60
Hugues commented on Kristaps Brass's blog post Using Fireworks on Drones
"Drone + fireworks/pyrotechnics = best way to push a general drone ban law in Europe."
May 31

MR60
Hugues commented on Bart Theys's blog post Meet CargoCopter: our latest generation of high-speed, long-range drones
"congrats guys! I assume you are using Septentrio RTK to land back in your starting "box"? or are you also using visual intelligence and/or IR lock ?"
May 30

MR60
Hugues commented on Ellen Zhu's blog post Skywalker X8 Catapult Launch &Parachute Landing
"What is the maximum take off weight for this catapult ? On the video it seems a bit too weak as the X8 drops off almost to the ground at the exit of the catapult ?"
May 25

MR60
Hugues commented on Alexandre Mainardi (Nuvem UAV)'s blog post 3D Printed Halbach array Motor. 600W, over 80% efficiency!
"Impressive work! What's the motor weight and how does it compare to standard BLDC motors of same wattage ?"
May 24

MR60
Hugues replied to andresiko's discussion trigger a camera shorting 2 wires via pixhawk
"Yes. The point is to act as a switch where the Signal In is connected to one of the Signal Out. If the current flow is not sufficient to drive the camera (in my case with a Sony NEX5 it is not an issue but it depends of course on the…"
May 22

MR60
Hugues replied to andresiko's discussion trigger a camera shorting 2 wires via pixhawk
"Yes you need an extra device called an electronic switch that can be controlled by a PWM signal (like a video switcher for example). So the video switcher has one control input, plugged to Pixhawk on one of the AUX port (three wires are…"
May 22

MR60
Hugues replied to iSkyMaster's discussion Ultimate Auto Mode Fail Safe Design: Logic inside PixHawk
"I like this idea. This would lead to the implementation of a workflow concept in Ardupilot where we could configure conditional links (a flow) between each individual failsafe triggers and actions. Currently in ardupilot you can only configure…"
May 18

MR60
Hugues commented on Andreas Jochum's blog post Cargo delivery using NicaDrone's Electro permanent magnet
"i used the EPM gripper for this real life package delivery"
May 15

MR60
Hugues commented on Hugues's blog post Review, test and setup tutorial of RTK XL GPS from Drotek
"the duration depends on the precision parameter you have set in meters in the base module. It will also depend on the clear sky conditions, the eventual reflections from nearby buildings, trees in the way, etc. At minimum it should be a couple of…"
May 15
Søren Møller Dath commented on Hugues's blog post Review, test and setup tutorial of RTK XL GPS from Drotek
"How long is the survey-in time for the base station to get a precise enough position in order to transmit corrections?"
May 15

MR60
Hugues posted a blog post

Review, test and setup tutorial of RTK XL GPS from Drotek

This is a quick and short review, setup and tutorial of the RTK XL GPS from uBlox/Drotek.Test & Setup is done on Ardupilot + Pixhawk, using mission planner as the ground control station.Note that this product was not provided for review by Drotek and the review is unbiased.The RTK XL product can be found here:https://drotek.com/shop/en/home/792-x...U-Center software from…See More
May 14
makeflyeasy commented on Hugues's blog post How does precision GPS work ( DGNSS , RTK , SBAS , PPP ) ?
"good"
May 13
Nikola Rabchevsky commented on Hugues's blog post How does precision GPS work ( DGNSS , RTK , SBAS , PPP ) ?
"Does the M8P have the PPP feature that the 7P has (man, that's a lot of Ps)? I've used the 7P and gotten sub-meter 2D accuracy values but it's limited in that you need SBAS satellites for it to work well and it doesn't support…"
May 7

Profile Information

Please tell us a bit about your UAV interest
All UAVs topics
Hometown:
Brussels

Hugues's Blog

Unboxing / Disassembly / Review of the CUAV V3 autopilot

Posted on June 11, 2017 at 9:21am 0 Comments

Unboxing / Disassembly / Review of the CUAV V3 autopilot.

We take a look at one of the latest generation autopilot running the Ardupilot software. How is its build quality and functionality ?How does it compare to a Pixhawk autopilot ?

Review, test and setup tutorial of RTK XL GPS from Drotek

Posted on May 14, 2017 at 9:46am 2 Comments

This is a quick and short review, setup and tutorial of the RTK XL GPS from uBlox/Drotek.



Test & Setup is done on Ardupilot + Pixhawk, using mission planner as the ground control station.



Note that this product was not provided for review by Drotek and the review is unbiased.



The RTK XL product can be found…

Continue

How does precision GPS work ( DGNSS , RTK , SBAS , PPP ) ?

Posted on May 6, 2017 at 8:21am 3 Comments

Hello,

This is a synthesized basic explanation of how precision GPS methods work:
-Differential GNSS (DGNSS)
-Real Time Kinematics (RTK)
-Satellite Based Augmentation System (SBAS)
-Precision Point Positionning (PPP)

Cheers,

Hugues

X-UAV “Clouds” maiden flight - full auto take-off - Arduplane 3.7

Posted on March 8, 2017 at 12:21pm 8 Comments

This is the maiden flight of the latest X-UAV model : "Clouds". It is a V-Tail fixed wing platform, similar to their previous model "Talon".

It runs Arduplane 3.7 on a Pixhawk1 (I try to get a Pixhawk2 for months without any success...Frustrating).

I was supposed to have a flight buddy who would throw the plane while I would hold…

Continue

Comment Wall (11 comments)

At 10:26pm on March 19, 2013, Oliver said…

Hi, I just posted the parts list with some notes in the comments below my original post on the gimbal.

Cheers,

Oliver

At 12:11am on March 20, 2013,
MR60
Hugues
said…

thx

At 12:52pm on November 7, 2013,
MR60
Forrest Frantz
said…

Didn't want to say this in the crowd.  But I think mass distribution has a bearing on the PIDs as does distance from the respective axis.

Example:  Say there is a rectangular cubic battery pointing fore and aft at CG on a symmetric quad copter.  Say the rotors are 20 cm from their axis and the battery is 10cm x 2 cm.

o The torque factor exerted in pitch over the battery would be 20/(10/4) = 8 to 1

o The torque factor exerted in roll over the battery would be 20/(2/4) = 40 to 1

If you have two steel wheels of the same mass, the larger one will be more difficult to get rolling (there is a larger change in momentum).

So it is 5x easier to roll than pitch.  I think that should be accounted for in the PIDs?  But maybe I'm wrong.

Of course this is an extreme example where everything else weighs nothing, so the differences in ratios are never that high.  But it is common I think for the factors to be up to 1.5X.

Your thoughts?

At 1:42pm on November 8, 2013, Tyler McGahee said…

Yeah, the PIDs are definitely affected by the "mass distribution" (moment of inertia), as well as by the motors and propellers and ESCs and the control algorithm and on and on. I don't think it hurts to list the PIDs though. Could save some time when starting from scratch on a similar or identical rig.

At 10:37pm on November 21, 2013, HobbyColombia said…

Hello,

A curiosity ... as I turn apm 2.5 and esc with 2 separate batteries.

Battery 1: APM 2.5 and FPV
Battery 2 Engines - BECS (servos)

Unrecognized?

Thank you!

At 7:28pm on March 11, 2014, HobbyColombia said…

Ardupilot on PX4 + IO won't arm motors.

Hi I have the same problem Mystery 30A ESC's ...

You Might explain "load up the firmware ArduCopter" Bootload firmware?

System works without problem, arm and disarm perfectly.

Safety Switch OK.

Calibration OK, ENGINES TURN.

Connect and disconnect battery and ESC sounds uncalibrated, not save settings.

/ / / / / / / Can not save the ESC Mystery Calibration and PX4FMUIO / / / /

At 1:11pm on March 12, 2014, HobbyColombia said…

Hi,

/ / / / / / / Can not save the ESC Calibration in PX4 FMU IO / / / /

You know it could be?

Another question.

You know how I connect to OSD Remzibi px4 as if telemetry data and to see video on my monitor?

We appreciate evidence.

Thanks for you time.

You are responsible to give answers of diydrones community? curiosity!

Thanks.

At 8:11am on August 26, 2014,
MR60
Forrest Frantz
said…
At 1:45pm on December 15, 2014,
MR60
Forrest Frantz
said…

4 motor mounts and 4 tube plugs, cut, lightly sanded, ready to ship, and after you clean, ready to adhere.

Where do you want me to send them?

At 9:25am on August 18, 2015, Rafael Fontela said…

Saw an old post from 2013 title Tiger motors-propellers combinations for an heavy lift octocopter, where after testing several motors props combinations you chose the Tiger 3510 360Kv.

I'm trying to upgrade my 3dr x8+ to be able to extent the flying time while increasing the payload to be able to use about 1200 extra grams for camera equipment etc.  At present my drone is equipped with the motors and props that come from 3DR ( SUNNYSKY V2216-16 KV800) and by them the drone will be able to lift 800 grm while having a fly time of 15 mnts (by what I have read more like 10).

I was wandering if you think that using the Tigers and the props combination I could achieve the results you had, also whether

I could run the 6s batteries.

Thanks so much for your time

 

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