Andrew Brygin
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NMEA gps with AP 2.7

Started this discussion. Last reply by fefenin Mar 26. 9 Replies

I tried to use NMEA gps with AP2.7 (svn revision 1272) and run into a strange problem:if I set GPS_PROTOCOL to 0, and load resulting code into AP, then AP failed to init.In the serial monitor I can…Continue

2.6.3 r1232: strange throttle behavior

Started this discussion. Last reply by Hans-Ulrich Mahr Jul 29, 2010. 6 Replies

 I have tried to update AP sources, and found that revision 1232 introduces strange throttle behavior: when I switch to satbilze or fbw_a mode, motor spins with full speed (disregard throttle stick…Continue

 

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Latest Activity

fefenin replied to Andrew Brygin's discussion NMEA gps with AP 2.7
"hello i know that the thread is kind of old but i just put my hand on a new ardupilot legacy board, the thing is , not blue led bling neither no proper boot , with the lastr version online , when i set NEMA protocol... did someone found the…"
Mar 26
Andrew Brygin replied to Andrew Brygin's discussion Tuning ArduPilot (legacy) for X-5 in the group ArduPilot (legacy) User Group
"Hi Brian,  thanks for the interest. I had achieved acceptable level of roll and pitch authority in FBW mode, and RTL mode worked acceptable too. I even created a some sort of diy OSD to visualize the AP output (startd text GCS) during fpv…"
Oct 12, 2012
Charles lakins replied to Andrew Brygin's discussion Tuning ArduPilot (legacy) for X-5 in the group ArduPilot (legacy) User Group
"aslong as the imu is facing forward any angle it is calibrated will be its level point and change from there after and reflect the movements the same you can verify this by attaching it directly to the ftdl port and by using arduimutest.exe the…"
Oct 11, 2012

ModeratorBrian replied to Andrew Brygin's discussion Tuning ArduPilot (legacy) for X-5 in the group ArduPilot (legacy) User Group
"how did it go with your project. it has been a while."
Oct 4, 2012
Andrew Brygin replied to Andrew Brygin's discussion Tuning ArduPilot (legacy) for X-5 in the group ArduPilot (legacy) User Group
"I keep IMU leveled during initialization, and oscillation in case of LOG220 were clearly visible, so I think that roll readings provided by th IMU are close to truth.I did a test with increased I gain, and it looks quite positive: I keep P gain the…"
Jun 6, 2012
Harry replied to Andrew Brygin's discussion Tuning ArduPilot (legacy) for X-5 in the group ArduPilot (legacy) User Group
"Thanks, I can see it now.  I wont be much help to you as I am learning, but I will need to tune mine when it goes airborne.  I can see the bias toward the positive side.  Hope you dont mind I made a shot of the 220 log."
Jun 5, 2012
Andrew Brygin replied to Andrew Brygin's discussion Tuning ArduPilot (legacy) for X-5 in the group ArduPilot (legacy) User Group
"Oh, sorry for the mess, I have converted logs to pdf."
Jun 5, 2012
Harry replied to Andrew Brygin's discussion Tuning ArduPilot (legacy) for X-5 in the group ArduPilot (legacy) User Group
"I'm interested in how your tuning goes, but your logs are blank for me.  Maybe you could post them as a screenshot or something?"
Jun 5, 2012
Andrew Brygin added a discussion to the group ArduPilot (legacy) User Group
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Tuning ArduPilot (legacy) for X-5

I am trying to tune the ArduPilot for Bevrc X-5 plane. At the moment I am playing with roll P gain and trying to achieve acceptable stability in FBW mode. Also, I am trying to overcome the plane peculiarities: he has tendency to roll in positive direction (left wing down) and because of this, rates of left and right turns are not equal.In order to get an idea what is going on during FBW flights, I converted flight logs into charts which display desired (navigation) roll, and actual roll…See More
Jun 5, 2012
7 Comments
jayeshjain88 left a comment for Andrew Brygin
"from few time i am working on arduimu+ v3. trying to use dmp. also pulled code from master channel. but that is in quite early stage. i am working on yaw angle(as i am working auto car). i would like to commit to dev channel. thanks"
Jan 16, 2012
Andrew Brygin replied to Frank Zhao's discussion ArduIMU V3, source code for DMP?
"Did you change the interrupt from 6 (in the demo) to 0 as it was in the original ImuV3 example? If not, you likely never get new data notification.... Thanks, Andrew"
Jan 12, 2012
Andrew Brygin replied to Evan Evans's discussion Ardupilot and Aruimu in the group ArduPilot (legacy) User Group
"No, you need to install libraries into location specified in 'scetchbook location' field of arduino's preferences. In mu case it is C:\Users\Andrew\Documents\Arduino.   Just take a look to preference dialog…"
Oct 6, 2011
Andrew Brygin replied to Evan Evans's discussion Ardupilot and Aruimu in the group ArduPilot (legacy) User Group
"I have downloaded the arduimu archive http://ardu-imu.googlecode.com/files/ArduIMU_1.8.2.zip and verified that this change compiles fine. So, I am curious why it does not work in your case... Just to verify, I use arduino-022 to build the arduimu…"
Oct 6, 2011
Andrew Brygin replied to Evan Evans's discussion Ardupilot and Aruimu in the group ArduPilot (legacy) User Group
"To build IMU code with this fix, I have used MTK GPS class from ArduCopter libraries (http://arducopter.googlecode.com/svn/trunk/libraries/AP_GPS). What version of libraries do you use?   Thanks, Andrew"
Oct 6, 2011
Andrew Brygin replied to Evan Evans's discussion Ardupilot and Aruimu in the group ArduPilot (legacy) User Group
"There is MTK firmware newer than 1.6? Could you please point where it is available?   Thanks, Andrew"
Sep 6, 2011
Andrew Brygin replied to Evan Evans's discussion Ardupilot and Aruimu in the group ArduPilot (legacy) User Group
"Hello Evan,    Let's clarify that we are using same sources for arduimu and libraries,  because this compilation error seems to be caused by old library code.    I use arduimu code from following repository:   URL:…"
Sep 6, 2011

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At 5:09pm on January 16, 2012, jayeshjain88 said…

from few time i am working on arduimu+ v3. trying to use dmp. also pulled code from master channel. but that is in quite early stage. i am working on yaw angle(as i am working auto car). i would like to commit to dev channel.

thanks

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