Austin Suhler
  • Earlysville, VA
  • United States
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Austin Suhler's Discussions

Indoor Navigation/tethering for research project- Help Needed.

Started this discussion. Last reply by Austin Suhler Jun 14. 9 Replies

     I wanted to ask if anyone knows of the best way to either tether a IRIS+ quadcopter so it will hover relatively stationary, or provide a system for indoor navigation for a room. I am currently…Continue

Tags: Indoor, navigation, tether, IRIS+, 3.x

Auto missions not landing, jumping, or progressing on takeoff

Started this discussion. Last reply by Michael Visser Jul 29, 2014. 4 Replies

I haven't seen anyone with a similar situation so far, but I have an SK-450 with an APM 2.5, and I'm having problems switching from "takeoff" to the rest of a mission and from the last waypoint to…Continue

Arducopter Fly-aways: A PSA

Started this discussion. Last reply by Thomas J Coyle III Dec 27, 2013. 8 Replies

I have seen recently a lot of threads about sudden fly-aways occurring on previously rock solid platforms, and I feel it necessary to share my experience. I have an SK-450 quad with Ardupilot 2.5+…Continue

Tags: Fly-away, 2.x, ArduPilotMega, Arduplane, Arducopter

AltHold Baro problems

Started this discussion. Last reply by Pablo Diaz Oct 31, 2013. 7 Replies

So, I have to assume there's some code that takes this into account, but I have a problem with the Barometer. I have an SK450 with an APM 2.5+ with 3.0.1. When I'm in alt hold and the copter is not…Continue

Tags: AUTO, loiter, AltHold, Barometer

 

Austin Suhler's Page

Latest Activity

Austin Suhler commented on Austin Suhler's blog post IRIS+ Optical Flow + LIDAR-Lite Loitering: The chronicle
"Fabio- I am using version 2 of the lidar. I powered it from an old Castle Creations 10A BECI had laying around, and it works perfectly. I would suggest trying again with PWM, as it worked almost instantly. Let me know if you hav any more…"
Aug 11
F commented on Austin Suhler's blog post IRIS+ Optical Flow + LIDAR-Lite Loitering: The chronicle
"Hello Austin, are you using some kind of BEC for powering? If so, which one is it?I tried to use an ultrasonic range finder, powered directly from the pixhawk, but the readings were too unreliable, despite my efforts to shield it and grounding it…"
Aug 11
Austin Suhler replied to Randy's discussion Copter-3.3 beta testing
"I had changed the EKF_GPS_TYPE parameter back to 0. It failed to even show stats about the GPS, i.e. Sats, hdop, etc.... After that didn't work, I actually went one step further and made a GPS flying config for beta, before I configured the OF,…"
Aug 10
Austin Suhler replied to Randy's discussion Copter-3.3 beta testing
"I wanted to report that after using OF, the pixhawk refused to acknowledge the existence of a GPS device, as well as refused to output FRsky Telem on SERIAL_2. Had to reflash to 3.2.1 for normal, non-OF flight. "
Aug 10
Austin Suhler replied to Randy's discussion Copter-3.3 beta testing
"Randy- I agree, OF has been working very well. Check out my blog post about my experiences with it.There are still some bugs to get through, but it has been pretty exceptional so far!"
Aug 7
Austin Suhler replied to Randy's discussion Copter-3.3 beta testing
"Wes- I have been using the OF sensor for a few days now! Check out my blog post, I can answer any questions you have. http://diydrones.com/profiles/blogs/iris-optical-flow-lidar-lite-loitering#comments"
Aug 7
Austin Suhler commented on Austin Suhler's blog post IRIS+ Optical Flow + LIDAR-Lite Loitering: The chronicle
"Roberto- If all else fails, go outside into the sun, and check for correct operation. I have found lighting to make more of an impact than anything on performance. Also, keep an eye on what the surface below looks like. Optical Flow seems to be…"
Aug 7

Moderator
Roberto Navoni commented on Austin Suhler's blog post IRIS+ Optical Flow + LIDAR-Lite Loitering: The chronicle
"Hi Austin, today i did some test with Luca in some situation flight very well in other some iusse and toilet bowl whe work it's fantastic but at the moment my opinion it is ,too in early stage of development ...  We are uploading our video…"
Aug 7
Austin Suhler posted blog posts
Aug 6
Austin Suhler commented on Austin Suhler's blog post IRIS+ Optical Flow + LIDAR-Lite Loitering: The chronicle
"Roberto-  I use standard loiter. Because of the conditions I am in (Nuclear reactor, even compass has problems), I disabled all the arm checks. I do not recommend it, but I am in a highly controlled environment, where I am the only one inside.…"
Aug 6

Moderator
Roberto Navoni commented on Austin Suhler's blog post IRIS+ Optical Flow + LIDAR-Lite Loitering: The chronicle
"Hi Austing , what kind of mode are you using for flight with Optical Flow ? The standard Loiter ? or OF_Loiter ... I have this kind of experience until now tih APM 3.3rc8 and i don't already understand where is the problem ... in last week we…"
Aug 6
Austin Suhler replied to Austin Suhler's discussion Indoor Navigation/tethering for research project- Help Needed.
"     For everyone interested, I have decided to use the PIXFlow with LIDAR as defined in the wiki for non-GPS loiter. As for navigation, I am setting up multiple RPi based access points with sort range wifi adapters in key locations…"
Jun 14
Austin Suhler replied to Austin Suhler's discussion Indoor Navigation/tethering for research project- Help Needed.
"Thank you so much for the help!"
Jun 14
Stephen Dade replied to Austin Suhler's discussion Indoor Navigation/tethering for research project- Help Needed.
"At the moment, the APM has built-in support for using the previously-listed items for accurate height control. For horizontal position control using those items, you would need to develop the software yourself."
Jun 12
Michael Visser replied to Austin Suhler's discussion Indoor Navigation/tethering for research project- Help Needed.
"Start with a single sonar and work your way up @Stephen's list."
Jun 11
Laser Developer replied to Austin Suhler's discussion Indoor Navigation/tethering for research project- Help Needed.
"LOL! No time and no budget? An interesting challenge! We'll have something available soon but I can't make any delivery promises so perhaps this isn't a solution for you on this project."
Jun 11

Profile Information

About Me:
I am an 18 year old student studying Computer science and Computer Engineering at Christopher Newport University. I'm picking up the senior capstone project from last year, an Arducopter quadcopter, as well as working with an autonomous plane. I have over 9 years of RC experience, beginning with a 1/5 scale Great Planes Piper Cub balsa kit I started building when I was 9. Since then, I have built 2 more nitro models, a PT40 and a 2M wood powered glider, and my hanger includes 3 micro and ultra-micro planes, as well as an MCX2 and MX400 3D helicopters.
Please tell us a bit about your UAV interest
I am currently just entering the field of UAV's, head first. I have been around computers all my life, and have a significant amount of programming and micro-controller experience. I currently am doing an unofficial project with Christopher Newport University using Arducopter and Arduplane, and hope to continue to aerial photography, and live video processing to identify objects of interest and investigate them autonomously. The options are limitless, and projects such as 3D mapping rooms using Xbox Kinect are possible.
Hometown:
Earlysville

Austin Suhler's Blog

IRIS+ Optical Flow + LIDAR-Lite Loitering: The chronicle

Posted on August 6, 2015 at 1:30pm 6 Comments

Over the course of this summer, I have been working on a research project at the University of Virginia involving a flying camera platform indoors. Seeing as GPS is not a valid option for indoor loitering, I chose to use a combination of px4flow and LIDAR-Lite sensors to maintain position. Seeing as documented personal experiences are in short supply, I…

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