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pixhawk copter heli


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china


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Eric posted a discussion
Hi all,         After flying, I wanted to download logs in my pixhawk with Mission Planner, but I got some errors like this: // Getting list of log files... Error:System.Exception: Timeout on read - GetLogEntry在…
Sep 14, 2016
Eric replied to Eric's discussion ArduCopter issue? a crazy and dangerous fly to the sky
"Thanks.
I checked IMU data, accel z of IMU2 was unnormal and different with IMU1 and IMU3, so I think it's hardware issue of IMU2.
In term of sensor redundancy, maybe in EKF data fusion, there's no use of IMU3, If so, it's imperfect, because we can…"
Jun 29, 2016
Eric replied to Eric's discussion ArduCopter issue? a crazy and dangerous fly to the sky
"upload log of the first crash.2016-06-19 18-03-48.rar"
Jun 28, 2016
Eric posted a discussion
dear all:            I've met a crazy and dangerous issue again, my copter flied to the sky and out of control.           Firmware: RC3.3 ArduCopter           Copter: octa, Agricultural Copter with 10kg water.           Issue:            first…
Jun 28, 2016
Eric commented on Oliver Huang's blog post RTK Loiter / RTL Testing with AC 3.2.1 and NS-HP-5
"@Oliver Huang:
       Thanks for you sharing, it's great. But I have a question, when the GPS status changed from RTK fix to float or from float to RTK fix in loiter, the drone may fly away suddenly, did you have similar phenomenon? Thanks
     …"
Jan 2, 2016
Eric replied to Randy's discussion ArduCopter-3.2 beta testing
"Hi, Rich B
         Now, I got the same issue "Initialising  APM" with pixhawk, How did you solve it? can you help me? 
         Thanks!"
Nov 12, 2015
Eric replied to Randy's discussion Copter-3.3 beta testing
"hi Maciej,
      I did an autotune and it maybe similar with your test. After I did autotune, it was perfect, but when I went to fly another day with a full battery 6s, the voltage was about 25v (higher than the voltage during autotune), it was very…"
Oct 31, 2015