Jesper Andersen
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Jesper Andersen's Discussions

Weird behaviour of HK KK 2.0 board (LCD version) in pre. flight tests

Started Dec 29, 2012 0 Replies

I have just replaced my old kk board with a HobbyKing KK 2.0m board (quad x-mode)The ESC's was already calibrated from the old configuration (no need to do that again right?) - I calibrate the gyros…Continue

Tags: 2.0, lcd, multiboard, kk

 

Jesper Andersen's Page

Latest Activity

Jesper Andersen commented on Jesper Andersen's blog post An AutoPilot in the Clouds - part 1
"Thank you Hugues :-) I know there is a tendency here to favour the APM and the likes, for obvious reasons. But we should not forget the DIY-part in DIYDrones and the fun in experimenting and turning concepts upside down.  "
Aug 20
Jesper Andersen commented on Jesper Andersen's blog post An AutoPilot in the Clouds - part 1
"@Bojan: If the drone looses the contact with ground control - the failsafe functionality of the multiwii takes over and returns the drone to were it started. Let's say you own a big field and you use a system like this in order to do frequent…"
Aug 19
Tobias Simon commented on Jesper Andersen's blog post An AutoPilot in the Clouds - part 1
"Besides safety, scalability is another issue here: If you add more drones, it is likely that your radio link gets saturated; and you would need to care about real-time capable medium access strategies."
Aug 19
Jesper Andersen commented on Jesper Andersen's blog post An AutoPilot in the Clouds - part 1
"You are missing the point. While experimenting with autopilot software it's nice to have the big brains safely on the ground. I've personally lost two planes (and all hardware) while developing autopilot software. You say that autopilots…"
Aug 19

Moderator
Sgt Ric commented on Jesper Andersen's blog post An AutoPilot in the Clouds - part 1
"I agree with @johnkowalsky, This entire community (and this site) is proof that the autopilot is NOT the expensive part of project. "
Aug 19
johnkowalsky commented on Jesper Andersen's blog post An AutoPilot in the Clouds - part 1
"Sorry to break it down to you but this is just dumb. Things like sensors consititute the majority of costs. Autopilots don't require a lot of computing power. It's something that can be done by a <$5 part. It's totally wrong…"
Aug 19
Jesper Andersen posted a blog post

An AutoPilot in the Clouds - part 1

In our RC world, autopilots are typically some kind of software/hardware combination that is physically located on the craft flying/driving/sailing etc.. This has some disadvantages since autopilots are expensive and singular, meaning that they only know them selves and have no interaction capabilities with other autopilots.As…See More
Aug 19
Jesper Andersen commented on Jesper Andersen's blog post In a tight spot - Where would you land?
"GPS and GIS can't tell if someone parked a car or some construction work is going on at the landing spot. The whole idea is that the drone should be able to find a spot based on how things look at the time the need arises. Also, the drone might…"
May 8
Daniel Minaeian commented on Jesper Andersen's blog post In a tight spot - Where would you land?
"This is defiantly an interesting idea. However I just have one question, wouldn't it be easier and faster for the Drone to use GPS and GIS to find a good landing spot?"
May 8
Jesper Andersen commented on Emlid's blog post NAVIO: Raspberry Pi autopilot
"Coming into this topic a little late - any updates on when, where and how much (buying)?"
May 8
Jesper Andersen commented on Jesper Andersen's blog post In a tight spot - Where would you land?
"Thanks Jay. I will do an update once I get a chance to test this in real life OR when i get it ported to the Parallella computer."
May 7
Jay Bryon commented on Jesper Andersen's blog post In a tight spot - Where would you land?
"This is fascinating, and not just for drones either.  I'm currently training for my PPL, so if this gets to the point of being operational and fine-tunable for larger aircraft, particularly finding clear spaces large enough for, say, a…"
May 6
hotelzululima commented on Jesper Andersen's blog post In a tight spot - Where would you land?
"I am wondering whether reflectance IR photos(NDVI and other uses in ag) from modified webcam elements might be able to tell the difference here , [1] seems to show black for warmer waters and grey for colder pretty consistently on globe level sat…"
May 6
Jesper Andersen commented on Jesper Andersen's blog post In a tight spot - Where would you land?
"@Rob - Thats a good observation - Maybe it would be an idea that the algorithm favours landing spots that allows for some additional distance to trees etc. "
May 6
Jesper Andersen commented on Jesper Andersen's blog post In a tight spot - Where would you land?
"@Randy - Integration with image processors is definitely a "must have" at some point. I think the smartest way is to make a generic software package that is written specifically for a high power/low footprint platform like the Adapteva…"
May 5
Jesper Andersen commented on Jesper Andersen's blog post In a tight spot - Where would you land?
"@Chrisa, @Crady von Pawlak, @Pedals2Paddles - The water discussion is a tough one as you point out. But it's also a matter of how this system is used. To start with I will experiment with this in a way where the autopilot sends the suggested…"
May 5

Profile Information

About Me:
Software architect and developer - works in the mobile industry. Has worked a lot with robotics both as a hobby and thru my work.
Would like to write the very narrow targeted book "Java for vampires"
Please tell us a bit about your UAV interest
Have a keen interest for everything that flies, especially electric powered vehicles.
Hometown:
Roskilde

Jesper Andersen's Blog

An AutoPilot in the Clouds - part 1

Posted on August 19, 2014 at 12:01am 8 Comments

In our RC world, autopilots are typically some kind of software/hardware combination that is physically located on the craft flying/driving/sailing etc.. This has some disadvantages since autopilots are expensive and singular,…

Continue

In a tight spot - Where would you land?

Posted on May 5, 2014 at 3:00am 26 Comments

I magine your drone suddenly running low on power - a long way from home, doing it's auto waypoint flying thing.

You have to decide how, where and when to set it down very quickly!

I've been playing with my homebrew Automatic Landing Finder (ALF)…

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Processing power for Drones!

Posted on February 15, 2013 at 1:30am 7 Comments

Ok - so the critical sub systems for keeping balance, headings etc, are probably best served by a RISC type processor like the ARM and ATMega processors. But on top of that, you could put something that allows an easy access to image processing, communication, logging etc.. In the…

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USAV - Telemetry system

Posted on February 10, 2013 at 1:20am 0 Comments

USAV is the Unmanned Social Arial Vehicle - A drone with an android based auto pilot system that communicates through Google talk and Twitter. Due to the weather and the fact that an H-frame is being built for the vehicle, no flying is possible here. But I'm making good use of the wait :)

So snow is still falling here in the north and it's not really flying weather.

So I decided to make good of the waiting and create a telemetry unit for the USAV.

I…

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