John Wiseman's Posts (9)

Sort by

3689523841?profile=original

From TechCrunch:

DroneDeploy is a web-based drone control and management platform. (Let that last sentence serve as a friendly reminder that we live in the friggin’ future.) Their goal is to be compatible with as many different popular drones as possible, providing their owners with things like:

  • Browser-based drone control
  • Fleet management/tracking, with electronic filing of the required paperwork
  • Data logging
  • Automatic flight regulation assistance. Not allowed to fly drones after midnight in a certain region? DroneDeploy will remind you.
  • Automated log analysis that will help identify things like a motor that’s about to fail.
  • Expandability, by way of an App Store of sorts. Want all of those pictures your drone can take to be stitched together into one big panoramic map view? They’ve got an app for that.

3689523795?profile=original

3689523872?profile=original

Read more…

ADS-B decoding on an AR.Drone

3689513455?profile=original

"Cheap ADS-B on Amateur Drones":

Get a head start on the NASA Centennial Challenge's ADS-B requirements by plugging a $20 USB dongle into your drone and tracking nearby aircraft:

  1. Start with an AR.Drone (or other ARM-based amateur drone).
  2. Buy a $30 USB dongle.  See the rtl-sdr wiki for recommendations.
  3. Compile and install the dump1090 Mode S/ADS-B decoder software with my easy-to-use cross-compiler setup: ardrone-dump1090-cross-compiler
  4. Plug in the receiver.

And now you're decoding packets:

3689513481?profile=original

ADS-B sense-and-avoid is seen as critical to integrating unmanned aircraft into the National Air Space, and this is the beginning of a cheap "sense" solution.  Next up: "avoid".

Read more…

Dro' Rida

3689501689?profile=original

 

Years ago I had run across this old post from rec.aviation.military, "Weird question":

 


From: Mary Shafer <shafer@reseng.dfrc.nasa.gov>
Newsgroups: rec.aviation.military
Subject: Re: Weird question: Date: 08 Apr 1998 11:56:55 -0700
"Zorak" <someone@somewhere.net> writes:
> I have a weird question: has anyone attempted to convert a cruise missile
> like the tomahawk into a piloted aircraft? (without the warhead, of course!)
> I think I remember hearing once that some woman had a piloted version of the
> tomahawk.

In 1993 two employees of Scaled Composites reported on "Manned Test
Flight of an Unmanned Air Vehicle" at the SETP Symposium. However,
they didn't get a written version into the Proceedings, so that's
about all I can say specifically. The general technique involved
adding a very limited instrument panel and pilot controls, with the
pilot straddling the vehicle, I think somewhere near the cg. I
believe they provided a backrest and foot pegs for pilot stability.
Shades of Slim Pickins, which is what came to everyone's mind
immediately on seeing the picture pf the pilot riding the vehicle.

Regarding the identity of the vehicle, all I can say for sure is that
it wasn't a Tomahawk. I don't remember what it was and don't think it
was a cruise missile anyway.
--
Mary Shafer NASA Dryden Flight Research Center, Edwards, CA
SR-71 Flying Qualities Lead Engineer Of course I don't speak for NASA
sha...@reseng.dfrc.nasa.gov DoD #362 KotFR
URL http://www.dfrc.nasa.gov/People/Shafer/mary.html
For personal messages, please use sha...@ursa-major.spdcc.com

It took me a while, but eventually I was able to acquire a photo of the flight in question through a well-placed contact.

Apparently this Raptor drone later crashed.

Post links to other drone riders you're aware of!

Read more…

News drone attacked by swarm of... drones

9dcfc00103e918586c1c5e3025e05ab42c98ecfb2a43cdd99f4efc5714cf50a8

CBS12 News Crew Attacked By Bees During Palm Beach Mall Demolition Report:

It all started when CBS12 News operations manager Carl Pugliese launched a drone camera to get an aerial shot of a backhoe taking the old Sears apart. The drone is a large dinner-plate sized device with four helicopter-like rotors and two cameras, all operated by remote control via iPhone or iPad.

About a minute into the flight, you can see the assault begin. First one attacker zips by the camera. Then another. Then the whole swarm.

Pugliese said the drone began having trouble flying, but he wasn't sure why. At the same time, he says a "strange bug" kept pestering him, getting in his hair and buzzing him. Meanwhile, Pugliese was able to maneuver the drone closer so he could see what was wrong with it. Bad move.

Angry bees became a cloud around the drone and also began attacking Pugliese and CBS12 cameraman Chad Ellison, whom Pugliese captured dancing and swatting frantically to avoid being stung. Didn't help. Both of them took several stings. Pugliese himself can be seen toward the end of the drone video, diving into his SUV to avoid the swarm. Unfortunately for him some tagged along inside, and he is seen trying to fling them out. He landed the drone from inside the car.

The drone took several stings as well, with the stingers still embedded in its foam fuselage. The whole thing was covered in what Pugliese termed "bee goo."

Read more…

Voice Controlled Drone

Last month Boston Dynamics released a video showing off a new feature of their Big Dog robotic mule: voice control.  I had been working on a similar project for a while, though I think it's actually cooler: voice control of a flying robot drone.

Above is a video I made last night of the current state of my project, which shows an AR.Drone doing whatever I tell it (mostly):

In the video I'm talking to my custom voice control software running on my laptop, which uses ar-drone-rest and node-ar-drone to talk to the quadrotor.

I'm currently working on doing the speech recognition on an iPhone or Android phone, so you don't need to talk into an unwieldy laptop.

Read more…

3689464265?profile=original

I find the tab-delimited waypoint list files used in mavlink to be hard to read, so I added Protocol Buffer text format to the formats that mavwp.py can read and write.

I still think it can be improved to be even easier to read, but here's my current version of the mission defined in ardupilot-mega/Tools/autotest/mission2.txt:

QGC WPL PB 110
defaults {
  # Default coordinate frame for this mission.
  frame: FRAME_GLOBAL_RELATIVE_ALT
}
waypoint {
  command: CMD_NAV_WAYPOINT
  x: -35.362881
  y: 149.165222
  z: 582.0
}
waypoint {
  command: CMD_NAV_TAKEOFF
  x: -35.362881
  y: 149.165222
  z: 20.0
}
waypoint {
  command: CMD_NAV_WAYPOINT
  param2: 3.0
  x: -35.363949
  y: 149.164151
  z: 20.0
}
waypoint {
  command: CMD_CONDITION_YAW
  param1: 640.0
  param2: 20.0
  param3: 1.0
  param4: 1.0
}
waypoint {
  command: CMD_NAV_LOITER_TIME
  param1: 35.0
  param4: 1.0
  x: 0.0
  y: 0.0
  z: 20.0
}
waypoint {
  command: CMD_NAV_WAYPOINT
  param2: 3.0
  x: -35.363287
  y: 149.164958
  z: 20.0
}
waypoint {
  command: CMD_NAV_WAYPOINT
  param2: 3.0
  x: -35.364865
  y: 149.164952
  z: 20.0
}
waypoint {
  command: CMD_CONDITION_DISTANCE
  param1: 100.0
}
waypoint {
  command: CMD_CONDITION_CHANGE_ALT
  z: 40.0
}
waypoint {
  command: CMD_NAV_WAYPOINT
  param2: 3.0
  x: -35.363165
  y: 149.163905
  z: 20.0
}
waypoint {
  command: CMD_NAV_WAYPOINT
  param2: 3.0
  x: -35.363611
  y: 149.163583
  z: 20.0
}
waypoint {
  command: CMD_DO_JUMP 
  param1: 11.0
  param2: 3.0
}
waypoint {
  command: CMD_NAV_RETURN_TO_LAUNCH
}
waypoint {
  command: CMD_NAV_LAND
}

Read more…