MR60
Hugues
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  • Brussels
  • Belgium
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  • Kode sai susheel praneeth
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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. 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. 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 Gary McCray's discussion Vibration Isolation and Dampening of APM / PX4 for version 2.9
"This approach is interesting but we have to be aware that: -Shanon rules that it will not measure any variations above 25Hz (half the PWM update date) -the standard variation applies on a time period which will be too long to detect rapid…"
19 hours ago

MR60
Hugues replied to John's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"We try to fly around 40-50km/h as the goal is filming animals with infrared camera and shot with a Sony bridge camera. So we do not want to fly fast. I also wish to get flying again but need to get the new motor... Good luck for next weekend!"
yesterday

MR60
Hugues replied to John's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"thx for the advice. Will take a look at this motor and test it."
yesterday

MR60
Hugues replied to John's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"Hi Gustav, Maybe you can help advise a good motor for the following setup: -I have flown a Talon with a T Motor 3510-700Kv on 4S, 13x8 Graupner propeller : fine up to 3.5Kg for taking off with no Wind. This motor config provides a maximum thrust of…"
yesterday

MR60
Hugues replied to Forrest Haller's discussion What are the standard CAN protocols that drones use?
"The OSI layers above number 4 (transport) are identical in terms of protocol. The message definitions are of course spec'ed for UAVs."
yesterday

MR60
Hugues replied to Forrest Haller's discussion What are the standard CAN protocols that drones use?
"Both should merge as they are so similar.It would make development easier and reduce complexity on equipment and interfaces."
Saturday

MR60
Hugues replied to Gary McCray's discussion Vibration Isolation and Dampening of APM / PX4 for version 2.9
"Thorsten, Are your balls straight ? on the mount of course. Because on the Omnimac mount that Cala and I are using, the balls are tilted 45 degrees inward. Could that make a vibe difference ? Always keep your balls straight ? How soft are they ? the…"
Saturday

MR60
Hugues replied to Gary McCray's discussion Vibration Isolation and Dampening of APM / PX4 for version 2.9
"That is also how i have my pixhawks isolated on my big ships too : Omnimac damper+foam blocks. Where did you buy your Omnimac parts ? They seem wery well printed and the plastic bottom plate is rigged for more rigidity, I like that. My 3Dprint stl…"
Saturday

MR60
Hugues replied to Forrest Haller's discussion What are the standard CAN protocols that drones use?
"Mavlink existed in the 90's ?"
Saturday

MR60
Hugues replied to Forrest Haller's discussion What are the standard CAN protocols that drones use?
"It seems that protocol wise mavlink copied UAVCAN but maybe I am wrong"
Saturday

MR60
Hugues replied to Gary McCray's discussion Vibration Isolation and Dampening of APM / PX4 for version 2.9
"Incredible results indeed. Are your measurements actually from a loiter flight? What type of rubber balls r u using? Usually with this mount I never get such low vibrations."
Friday

MR60
Hugues replied to Jeha Jung's discussion What is the best micro controller for quad copter drone??
"Naze32"
May 25
Anders Wikstrom replied to Hugues's discussion Ardurover former wiki documentation available ? in the group ArduRover User Group
"You have run into the same issue I saw.Arming has been integrated in the Rover but not correctly. You have two options: Arm the rover. It should work Set ARMING_REQUIRED to False (0) Anders"
May 22

MR60
Hugues replied to DavidLee's discussion 3DR Radio Telemetry design schematic
"Sorry, I do not have schematics. Did you ask 3DR? Chris Anderson is on this forum regularly."
May 21

MR60
Hugues replied to Hugues's discussion Ardurover former wiki documentation available ? in the group ArduRover User Group
"Servos yes, but which input channels for throttle and steering ? That info is not given (was in the previous wiki) I have tried by trial and error to use channel 1 and channel 3, also channel 1 and channel 2, Pixhawk just ouputs a signal on RC1…"
May 21
Anders Wikstrom replied to Hugues's discussion Ardurover former wiki documentation available ? in the group ArduRover User Group
"Servos has to be connected to Port 1 and Port 3 in Skid Steering Anders"
May 21

Profile Information

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

Hugues's Blog

Review & test of Gearbest's Pixhawk and comparison with 3DR's Pixhawk

Posted on May 16, 2016 at 8:27am 32 Comments

Recent 3DR's move not to sell DIY components & parts anymore, pushes hobbyists and prosumers to diversify their supplier's sources.  Like many others in the community, my issue is to find an "as good quality as 3DR" alternative for a Pixhawk board.  I started looking around for possible 3DR Pixhawk replacement candidates, with a quality I can…

Continue

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

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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