Ryan Beall
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Ryan Beall's Discussions

What is the "delay" on HH gyros

Started this discussion. Last reply by Ryan Beall Apr 21, 2011. 5 Replies


Ryan Beall's Page

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Ryan Beall's Blog

Rapid Prototyping and Quick System Identification (part 3)

Posted on January 10, 2016 at 7:00pm 8 Comments

Research by Ryan Beall and Chaz Henderson:

I did a little more refining of the model from the data previously described/collected from the Pixhawk.  The following are the results of System Identification and PID optimization.

The overall performance of the bank angle controller was suboptimal for our first flights.  It appeared to oscillate in…


Rapid prototyping and Quick System Identification (part 2)

Posted on January 4, 2016 at 6:00pm 1 Comment

Written by Ryan Beall and Chaz Henderson:


The flight data was logged on the micro sd card which was plugged…


Rapid Prototyping and Quick System Identification (part 1)

Posted on January 4, 2016 at 6:00pm 4 Comments

Research by Ryan Beall and Chaz Henderson:


I took part in a research endeavor to analyze many facets of…


Arducopter Flight data needed

Posted on January 26, 2011 at 6:02pm 36 Comments

I have been working on an improved altitude estimator for a while here but have been having issues with implementation.


The theory works fine but as seen above in the FFT of the accelerometer data, there is a significant ammount of vibration/noise in…


Improved Altitude Estimate

Posted on December 5, 2010 at 7:30pm 26 Comments

The barometric sensor alone in most cases provides noisy and drift prone measurements. I have been trying to come up with a simple way to implement a fixed gain filter to utilize the acceleration measurements from the accelerometers to help clean up the noise and also add a sanity check via sensor fusion.…


Comment Wall (5 comments)

At 9:57am on September 24, 2009,
Jordi Muñoz
Hello I will have some in less than ten days.
At 12:57am on November 8, 2009,
Jordi Muñoz
I use different company's for batch depends on what i want. If i need a few board but fast i use advanced circuits (super expensive). A few boards and cheap i use and mass production i use any China company like Sparkfun uses
At 12:59am on November 8, 2009,
Jordi Muñoz
For diagram i use eagle cad.
At 1:24pm on November 30, 2009, Paul Mather said…
Ryan, send me an email
At 10:11am on August 14, 2010, marshall scholz said…
please take a look at this and tell me what you think, also any help on this project would be appreciated;

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