Javier Cerna
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  • Lima
  • Peru
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Javier Cerna's Discussions

EKF velocity error before Auto flight - Copter 3.4.6

Started Jul 2, 2017 0 Replies

Hi,I was flying a new quadcopter on Friday to test the Auto flight mode. I had a successful first mission and I tried to replicate it. Since my last waypoint was facing the opposite direction from…Continue

Tags: Velocity, variance, Auto, EKF, 1

Copter crashed unexpectedly

Started this discussion. Last reply by Andre K. Jun 23, 2017. 2 Replies

Hi,I've been flying with my large quad for almost a year, and I've never had an issue with the motors, until a couple of days ago. The quad was flying in auto mode in an area where I have already…Continue

Tags: crash, ESC, Copter 3.4, Arducopter

IRLOCK with Copter 3.4.6 bounces while landing

Started this discussion. Last reply by Jon Turner Feb 13. 1 Reply

Hi,I asked this in the Ardupilot forum a couple of days ago, but I received no response so I'm asking here. I apologize for repeating the…Continue

Tags: IRLOCK, 3.4.6, Copter

[SOLVED] Maxbotix EZ4 Sonar in quadcopters

Started this discussion. Last reply by Gary McCray May 18, 2017. 7 Replies

------------------------------------------------------------------------------------------------------------------------UPDATE (18-05)Thank you all for your support and your quick responses. I tried…Continue

Tags: Maxbotix, EZ4, Sonar, Copter 3.4, Arducopter

 

Javier Cerna's Page

Latest Activity

Javier Cerna replied to John Longland's discussion Prioriy levels for flightmodes in the group PIXHAWK
"Hi John, If you're using a radio, just change mode with one of the radio sticks as usual. It will override the RTL."
Jun 8
Jon Turner replied to Javier Cerna's discussion IRLOCK with Copter 3.4.6 bounces while landing
"Javier,   Im somewhat new to all this, but it sounds like you need to activate ground effect compensation. It turns most of the load to the gps instead of baro while landing. The baro gets confused by the prop wash apparently. -Jon"
Feb 13
Javier Cerna replied to moriarty's discussion strange behaviour of pixhawk-request help to understand in the group PIXHAWK
"To be completely honest, I'm not sure why that's happening. But try to flight the drone first in Stabilize Mode. In one of your logs, it seems that you start in Loiter and go up to 2 m and then crash it. I'm not quite sure how it…"
Jan 22
Javier Cerna replied to moriarty's discussion strange behaviour of pixhawk-request help to understand in the group PIXHAWK
"Hi, Judging from your flight log, you have a really high voltage drop. I'm not sure if that's the issue, but going from 24 V to 17 V on launch seems unusual. Maybe the C parameter of your battery is too low, or they are not in good shape.…"
Jan 22
Javier Cerna replied to moriarty's discussion strange behaviour of pixhawk-request help to understand in the group PIXHAWK
"Regarding the power module, you could use this one, from 3DR: https://store.3dr.com/products/10s-power-module"
Jan 8

Profile Information

About Me:
Mechatronics engineer
Please tell us a bit about your UAV interest
Working at a drone startup and trying to understand better the nitty-gritty details of UAVs.
Hometown:
Lima

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Season Two of the Trust Time Trial (T3) Contest 
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