MR60
Hugues
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  • Brussels
  • Belgium
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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 Hugues on Sunday. 2 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. 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 Hugues Mar 4, 2014. 5 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 replied to Randy's discussion figuring out the Antenna Tracker
"For info I posted a topic here : http://diydrones.com/forum/topics/how-to-use-sitl-simulated-vehicle-to-test-a-real-antenna-tracker?xg_source=activity asking how SITL could replace a real vehicle in this schema to test a real antenna tracker…"
9 hours ago

MR60
Hugues replied to Rich B's discussion Pixhawk vs Pixhawk 2?
"Come on, not Facebook as primary announcement channel! "
10 hours ago

MR60
Hugues commented on Carles Gelada's blog post Is Deep Learning the future of UAV vision?
"@Carles, neuraml networks output a probability it recognized a pattern. It is a statistical recurrence estimate as Gary also mentions. The fact it is non deterministic is very very relevant in drone applications where you want to be absolutely sure…"
Monday

MR60
Hugues commented on Xrotors.net's blog post Mantis280 3d printed folding drone with gimbal in test
"Very good weight to be able to embark a fullHD Runcam on a brushless gimbal. How did you attach the gimbal frame to the quad to dampen so well the vibrations ?"
Monday

MR60
Hugues posted a discussion

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

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 PC running Mission planner with a second radio link.(thus not in a configuration where mission planner is in the middle).I am running SITL on Windows on a PC to simulate a quadcopter; so far so good.But I can't find a way to make SITL send the…See More
Saturday

MR60
Hugues commented on Carles Gelada's blog post Is Deep Learning the future of UAV vision?
"I think the same criticisms you make against SLAMAP, i.e. not being able to handle certain situation, is also true for your proposed neural network. If the neural network is confronted to a situation that it was not trained for, it will also…"
Saturday

MR60
Hugues replied to Rich B's discussion Pixhawk vs Pixhawk 2?
"I wonder if Emin Bu could summarize for us again when Pixhawk 2 will be available ? This "Pixhawk 2" topic is similar to the Loch Ness monster : everyone fantasizes about it, no one has got hard evidence about it, only a few people have…"
Saturday

MR60
Hugues commented on Andrew Tridgell's blog post APM:Plane double release 3.5.3 and 3.6.0beta1
"Thank you Tridge ! I wonder what contains the PX4 firmware upgrade in 3.6? Is this a "middleware" layer between FC's hardware and the Ardupilot code ? Why was it upgraded (what's improved or coorected vs previous firmware ?)"
Saturday

MR60
Hugues replied to Mike's discussion Connect raspberry pi to pixhawk using telemetry radio
"On the picture you connect a radio without its antenna! You probably damaged it now. Always put on antenna on before powering them on."
Saturday
Thetrashman commented on Hugues's blog post Sub One Kilo project
"Great! Do you have a link to the stl's?"
Friday

MR60
Hugues commented on Hugues's blog post Sub One Kilo project
"The parts are T-Motor's 6th anniversay edition, 9" props, 3S battery. Frame is my own build, cf tubes. Center plates are Nomex/CF honeycomb and sandwich balsa/CF. Dimension is more or less 450mm diameter."
Friday
Thetrashman commented on Hugues's blog post Sub One Kilo project
"@Hugues Do you have a link to the stl's for those connecting bits? They look great! Do you plan on releasing any dimensions and information on what gear was used?"
Apr 28

MR60
Hugues commented on Hugues's blog post Sub One Kilo project
"Oz is setting the standards for drone regulations!"
Apr 28
JB commented on Hugues's blog post Sub One Kilo project
"Just come to Oz...from October you can fly sub 2kg up to 400ft without a licence commercially...ie for money. ;-)"
Apr 28

MR60
Hugues replied to Ravi Gupta's discussion Zener diode in PIXHawk
"The objective of the recommended zener model is to trip (reverse avalanche) at 5.6V, in order to trim any short lived voltage spikes that are created by equipment connected on the servo rail. Therefore you should NOT use a 5V zener diode as it would…"
Apr 27
Cala commented on Hugues's blog post Sub One Kilo project
"Here, bigger syndrome is with stupid people flying Drones in most populate places, adding that, without knowledge, but law affect everyone equally, not distinguish if you live in a populated city, near an airport, or in the middle of Patagonia where…"
Apr 27

Profile Information

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

Hugues's Blog

Sub One Kilo project

Posted on April 26, 2016 at 11:36am 15 Comments

Hi,

In Belgium, our local "FAA", the so called "DGTA" (as painful as in the US) has just passed last week a law regulating the use of drones. They defined a number of categories among which the "all-up-weight" of the ship is a criterion. Among the categories, a ship under a kilogram does not require a pilot certification nor all of the…

Continue

Easter chickens could care less about Hobbyking's carbon fiber tubes...

Posted on March 26, 2016 at 1:13am 22 Comments

 

Hi, I bought these very cheap hobbyking rectangular carbon tubes. I made this not so serious experiment with them as they could potentially be great to build your own multicopter frames. Tridge, by the way, used those recently in his quadplane build he posted about on diydrones.

And, this is a not so serious contribution to coming Easter…

Continue

AirbotPower board used in an Octocopter (X8) build

Posted on March 6, 2016 at 5:42am 1 Comment

Hi,

This video shows how to use an AirbotPower board to build an Octocopter (a large 1m diameter X8 coaxial config in this example) and what are its functionality.

Cheers,

Hugues

Sony QX10 mod for remote wire shutter trigger

Posted on February 20, 2016 at 12:00pm 27 Comments

The Sony QX10 is a nice lightweight 18 MegaPix camera for very little money (mine cost less than 100$ online, shipping included). It looks like a good one for aerial mapping missions. Unfortunately, it does not support USB cable remote triggering (unlike the much more expensive models in the QX family). Also, a smartphone app allows to trigger the camera via Wifi…

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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