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Jason Short
  • Male
  • San Francisco, CA
  • United States
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Jason Short's Groups

Jason Short's Discussions

Algorithm needed to manage deceleration

Started this discussion. Last reply by Scott Berfield Oct 20, 2012. 17 Replies

Arducopter 2.2 beta

Started this discussion. Last reply by Martin Szymanski Feb 2, 2012. 1296 Replies

Arducopter 2.1.1 alpha

Started this discussion. Last reply by Venkat Gidda Dec 2, 2012. 814 Replies

 

Jason Short's Page

Profile Information

About Me:
Director of Design at 3DR.
Please tell us a bit about your UAV interest
Love to fly
Hometown:
San Francisco

Jason Short's Photos

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Jason Short's Videos

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Jason Short's Blog

Flying Golden Gate Park

Posted on July 24, 2013 at 10:00pm 10 Comments

ACM at the AVC

Posted on September 6, 2012 at 9:41am 19 Comments

ArduBalance sneak preview

Posted on August 7, 2012 at 9:30am 36 Comments

Arducopter 2.7 Auto-Flip

Posted on August 1, 2012 at 11:00pm 16 Comments

Comment Wall (12 comments)

At 8:04pm on October 12, 2009, Doug Connell said…
jasonshort - thanks for sharing your experience. I have added lenses to the flip externally and they work ok, would you mind sharing your lens adaptation for the flip? I have been researching the ardupilot and trying to understand how it might work with our twin easystar - maybe I should just jump in and get it. thanks again for your thoughts.
At 1:07pm on October 29, 2009, Matt Fisher said…
Hey man wondering if you have flight tested your AIR app yet. Would love to get my hands on the source - even just the artwork, it looks amazing. Great to have another Flash dev on here to toss ideas too.
At 6:18pm on November 7, 2009,
3D Robotics
Chris Anderson
said…
Dang, Jason, it's windy in SF today! You're a brave man for even trying to fly near the water...
At 6:19pm on November 7, 2009,
3D Robotics
Chris Anderson
said…
Did you recover the plane? I dunked one a few months ago. Tip: rinse *everything* in tap water ASAP before it dries. Otherwise you'll get corrosion.
At 7:13pm on April 7, 2010, Bill Jenkins said…
Hi Jason,
I saw a post concerning rc cars. Well, that's what I want to do but I now understand that this is more complicated than I thought due to the fact that cars move slowly and the GPS has a hard time with that. I understand that one needs other sensors like magnetometers, obstacle sensors and etc. I was wondering if you have seen a post where some nice person has listed the components used and the codes. I was kind of excited to do this but I'm starting to think that the only way would be to have someone who understands it to build it for me or walk me through it. I was thinking that an arduino controller would connect to the ardupilot and the ardupilot would connect to the RC.
I thought I would ask you if you had any suggestions on this.
Thanks,
Bill Jenkins
At 10:53pm on April 7, 2010,
Developer
Jason Short
said…
Sorry I don't. I would Start with the encoder for the wheels. These usually use a hall effect sensor and a tiny magnet attached to the wheel or other rotating part. Maybe that is a hint that could lead you to some example projects.
At 11:06pm on April 7, 2010, Bill Jenkins said…
Thanks for your reply. I'll be sure to add anything that I find useful to the forum.
Bill
At 11:51am on April 9, 2010, Dustin Romero said…
wouldn't you rinse in distilled water?
At 7:54am on June 19, 2011, Denny Rowland said…

Jason

Great to see the work in progress. I have a new APM that I bought ready assembled and programmed  few months back, it was a little too unstable for my Flying Camera Mount designs that I am working on. However I have just uploaded the latest code and will be soon giving it another try. My normal test FC is a KK Minso Kim board that has no bells and whistles so I always have a benchmark to test and evaluate the aerodynamics. I then fit a MK board with the full kit. I am desperate to get away from MK and hopefully your code will be the answer. The thing that I thought might interest you is the fact that my MK boards are modified to take 67 deg/sec Gyros as I need to cage the models movements to stay within the 20 deg/sec that the camera mount uses. It is of course a bit risky if the mk gyros saturate as that would lead to a crash but I keep the stick inputs to a very low limit. The fast response and low noise seems to be the key to great stabilisation, plus the fact that the arms are 1 meter across with highly responsive motor/prop combination. The thought occurred that maybe we could develop a super stable version of AMP just for Aerial Video. The 500 deg /sec gyro does have amplified signal at 110 deg/sec but I expect that it will amplify the noise as well.

At 5:17pm on December 19, 2011, Geir Engebakken said…

I see in the wiki that to enable SuperSimple :

"You can enable this option by setting the parameter named RESET_SIMPLE to 1 ( 0 = disabled)"

Isnt the parameter called SUPER_SIMPLE?

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