Tim Trueman
Tim Trueman
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  • San Francisco, CA
  • United States
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Tim Trueman's Discussions

Can I find the magnetic components from magnetic heading and pitch/roll/yaw?

Started this discussion. Last reply by Héctor García de Marina Mar 14, 2010. 6 Replies

 

Tim Trueman's Page

Latest Activity

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Tim Trueman commented on Tim Trueman's blog post 'Want to test code with the simulator X-Plane?'
Let me know if you have any questions or get stuck!
Aug 22, 2011
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Jason Slay commented on Tim Trueman's blog post 'Want to test code with the simulator X-Plane?'
That's exactly what I was looking for! Thank you!
Aug 22, 2011
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Tim Trueman commented on Tim Trueman's blog post 'Want to test code with the simulator X-Plane?'
I am working on an updated post with code. It includes a bunch of updates but due to work limiting my time it probably won't be ready until January. This might get you started if you're a confident programmer:…
Aug 22, 2011
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Jason Slay commented on Tim Trueman's blog post 'Want to test code with the simulator X-Plane?'
Any chance we will see the updated post with the control commands? Thanks!
Aug 21, 2011
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fibrewire commented on Tim Trueman's blog post 'The podcast is back! The VectorNav team talks to us about their awesome IMU and its development.'
Brand new footage of the "Better, Faster, Stronger" IMU http://www.youtube.com/watch?v=amoFIo4MgT8
Jul 13, 2011
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Tim Trueman commented on Doug Weibel's blog post 'On-Board Video from SparkFun AVC - collision with light pole'
…always taking one for the team I see. Tough luck on the tail-wind :(
Apr 25, 2011
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Tim Trueman commented on Chris Anderson's blog post 'Restarting the DIY Drones podcast: Volunteers needed'
Feel free to email me directly if you can help in any way: tim@dronedynamics.com
Apr 2, 2011
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Jin left a comment for Tim Trueman
I was now tunning the PID controller but now was not stable when roll and pitch channels combined together. My email address is yaojingmas@yahoo.com.cn . Thanks.
Feb 15, 2011

Profile Information

About Me:
25-year-old (mostly software) engineer living in the San Francisco Bay Area.
Tell us a bit about your UAV interest
timtrueman.com/

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Tim Trueman's Blog

Tim Trueman

Podcast episode 28 with Doug Weibel and Jason Short, ArduPilot/Mega code leaders

Posted on August 11, 2010 at 1:30pm 0 Comments



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Tim Trueman

Podcast episode 27: Richard Hanson describes the possible futures for UAVs in the National Airspace (NAS)

Posted on July 20, 2010 at 12:48pm 5 Comments

Richard Hanson, who works on the AMA's Regulatory and Governmental Affairs operations. The regulatory process to introduce UAVs in the National Airspace (NAS) is a long, tortured and potentially disastrous ordeal for us. If it goes well, we'll be given guidelines or laws under which to operate, which create a category for small amateur UAVs that allows us to… Continue
Tim Trueman

Call for podcast guest suggestions (numero dos)

Posted on July 13, 2010 at 2:12pm 16 Comments

I realize we've asked for suggestions before but I thought it was time to start a new thread and perhaps get some new and timely suggestions. Feel free to repeat ones from the last post again if you'd still like to get them on the show.

Who would you like to hear interviewed?
Tim Trueman

Cooperative Grasping and Transport using Quadrotors (new video from Daniel Mellinger, our last podcast guest)

Posted on July 12, 2010 at 11:28am 12 Comments



I can only imagine what happens if you were to use much larger… Continue
Tim Trueman

Podcast episode 26: What does it take to put an autonomous quadrotor through a window at high speed? Daniel Mellinger enlightens us.

Posted on June 28, 2010 at 10:30am 2 Comments





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Comment Wall (4 comments)

At 1:44am on December 12, 2009, automatikautomatik said…
Hi Tim,
I am about to look at x-plane for some potential simulation work, and I *think* you mentioned in some post/podcast (which I can't find) that x-plane reversed reporting of p,q,r values - or something to that effect. Am I remembering this right? I would expect that p is rotation around x-axis, q is rot. around y-axis, and r around z axis -- is this how x-plane is reporting it or is there a discrepancy? Also, do you know if x-plane's reported values for accelerations ( ax,ay,az) are already adjusted for centrifugal acceleration or not? Any other data "gotchas"? Thanks!
At 1:49am on December 12, 2009, Tim TruemanTim Trueman said…
Well the beautiful thing is you can output the data you want to the screen and fly it. That we you can test it by doing wing down and use gravity to see what it is outputting and just adjust it to what you need. It's labeled in the on-screen display but just in an order I wouldn't have guessed. If you have any issues feel free to ask me.
At 2:38am on February 15, 2011, JinJin said…
Hi, Tim. Do you know the control algorithm about quadrotor? Could you help me about the control algorithm design. I was design the autonomous quadrotor. But I found that the paper mapping algorithm couldn't use for the quadrotor. Do you know the person Daniel Mellinger? I have seen his work and it was very cool.
At 2:39am on February 15, 2011, JinJin said…
I was now tunning the PID controller but now was not stable when roll and pitch channels combined together. My email address is yaojingmas@yahoo.com.cn . Thanks.

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