Zafer Öznalbant
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  • Eskisehir
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Thrust Control

Started this discussion. Last reply by Zafer Öznalbant Apr 7, 2013. 2 Replies

Hi. I am using APM 2.0 for arduplane. During autopilot function, the thrust was sometimes increased and sometimes decreased by APM. Actually I could not understand why and how the APM increases (or…Continue

Xbee-Flight Mode Change, radio calibration Question

Started this discussion. Last reply by Zafer Öznalbant Apr 7, 2013. 7 Replies

Hello. I have problem with Xbee. I can change and save the flight modes formation during direct connection with APM 2.0 via USB port. But I couldn’t save the changes of flight modes with xbee…Continue

 

Zafer Öznalbant's Page

Latest Activity

Zafer Öznalbant commented on Andreas M. Antonopoulos's blog post Developing code for the APM - Webinar (TODAY)
"Greetings Andreas. I’ve just watched the webinar#1 and liked it very much (I know I am a bit late :) ). Thank you very much for organizing this useful and helpful work. I understand that you did not organize the second one since I did not find…"
Dec 3, 2013
Zafer Öznalbant left a comment for Johan Andersson
"Hi Johan. Did you receive my message?"
May 14, 2013
Zafer Öznalbant left a comment for Johan Andersson
"Hi Johan. I appreciate to hear that. Just now i am away from my home, as soon as i arrive i will describe what i experienced with my arduplane in detail. I hope we will have a good relation with these isiues. Best regards. Zafer"
May 12, 2013
Zafer Öznalbant replied to Andre K.'s discussion Please help:Auto mode fails to fly to next WP (screenshots attached)
"Hi Soren. I reload the zip file. In case it says “access denied” again, I also uploaded the file in the following link. The file name is APM.rar. http://home.anadolu.edu.tr/~zoznalbant/common/ Best Regards, zafer  "
May 9, 2013
Zafer Öznalbant replied to Andre K.'s discussion Please help:Auto mode fails to fly to next WP (screenshots attached)
"Hi Soren, This is Zafer. You asked Andre for the files but I thought I have the same problem and attached some pictures and log files I recorded. I hope I do not disturb you. “Pictures” looks a bit complicated but number 04 and 14 are…"
May 9, 2013
Zafer Öznalbant replied to Andre K.'s discussion Please help:Auto mode fails to fly to next WP (screenshots attached)
"Hello Terje. Could you solve the problem? I have a similar problem with my APM 2.0 plane. I checked everything twice, controlled every waypoint one by one (write and read back from APM), but when I switch on the autopilot, my plane does not follow…"
May 7, 2013
Zafer Öznalbant replied to Andre K.'s discussion APM2 - fails to detect/use Micro-SD "no dataflash inserted"
"Hello there. I have the same problem with my APM 2.0. I did both ways to start my dataflash card but it didn't work. I put some extra thicknes backward of the card but it didn't work. I also powered the board without dataflash card then…"
Apr 17, 2013
Zafer Öznalbant replied to Zafer Öznalbant's discussion Xbee-Flight Mode Change, radio calibration Question
"Hi Soren, Thank you for your attention about my issue. I got your link and trying to understand. I want to ask another question, maybe related with your patch file. Since I am new for these things I don’t know the whole system but trying to…"
Apr 7, 2013
Zafer Öznalbant replied to Zafer Öznalbant's discussion Thrust Control
"Hi Doug thanks for your reply. I guess I understand how it works. By the way, I tried my airspeed sensor with another sensor, which is measuring right. I realized that mine was broken :). Best regards, zafer"
Apr 7, 2013
Søren Kuula replied to Zafer Öznalbant's discussion Xbee-Flight Mode Change, radio calibration Question
"Hi, I made this: http://diydrones.com/forum/topics/mission-planner-toughened-for-high-latency-loss-connections-more   . That should be able to send missions over a slow link also. Ideally, you should also change one thing it the firmware…"
Apr 2, 2013

Developer
Doug Weibel replied to Zafer Öznalbant's discussion Thrust Control
"If you are using the airspeed sensor, then the throttle is used for altiude control.  Techinically, it is used for total energy control, but you can think of it as altitude control.  Nominal airspeed is set as a parameter."
Mar 31, 2013
Zafer Öznalbant posted a discussion

Thrust Control

Hi. I am using APM 2.0 for arduplane. During autopilot function, the thrust was sometimes increased and sometimes decreased by APM. Actually I could not understand why and how the APM increases (or decreases) the thrust. Is there any nominal airspeed coded in APM? I am also looking for a way to control this thrust control function with ground testing. I will be glad if someone helps me. Note: I am using airspeed sensor.Best regards,zaferSee More
Mar 31, 2013
Zafer Öznalbant replied to Zafer Öznalbant's discussion Xbee-Flight Mode Change, radio calibration Question
"Thanks for your all advices. As I understand, it is not a good idea sending WP with xbee, so I did my first experience by writing the WP with USB cable. It was a short flight but It was really good. I appreciate your help. Best regards. zafer"
Mar 31, 2013
Søren Kuula replied to Zafer Öznalbant's discussion Xbee-Flight Mode Change, radio calibration Question
"Hi, the Mission Planner is more timing critical with some things than it really should have been .. for XBee anyway. Or, your XBees occasionally lose a packet of data (not happening with a USB cable) and then MP complains, With MP, doing…"
Mar 22, 2013

Developer
Bill Bonney replied to Zafer Öznalbant's discussion Xbee-Flight Mode Change, radio calibration Question
"It now sounds like an intermitant connection problem from the radio RX to the APM TX line. If its not fixed, possibly a broken cable, you will not be able to set Waypoints as you cannot send information to the APM Over The Air. What adapter board…"
Mar 21, 2013
Zafer Öznalbant replied to Zafer Öznalbant's discussion Xbee-Flight Mode Change, radio calibration Question
"Hi Bill. I appreciate your reply. This is an arduplane and I am using 900mHz Xbee for telemetry. This is a strange situation to describe. Let me explain what I did, firstly. Yesterday, I connected my APM 2.0 with my computer via USB cable and…"
Mar 20, 2013

Profile Information

Please tell us a bit about your UAV interest
open code autopilots. flight mechacnics.
Hometown:
Eskisehir

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