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Motor acting jittery at constant pwm

Started this discussion. Last reply by Mike Boland Sep 3, 2012. 1 Reply

Please check out the video, and let me know if i should be worrying?Continue

Tags: constant, pwm, at, jittery, acting

APM OUTPUT TO MOTOR WEIRD TUNING GRAPH

Started this discussion. Last reply by DanRZ Aug 23, 2012. 9 Replies

Hi Guys, please see the image, the quad is sitting leveled on the ground, and on the tuning graph, when i modulate the throttle, that was the output given ( similar output for OCTA QUAD…Continue

Tags: TUNING, GRAPH, WEIRD, MOTOR, OUTPUT

Mission Planner 1.2.7 and ArduCopter V2.7.1 issues with communication

Started this discussion. Last reply by DT Aug 21, 2012. 2 Replies

Hi Guys,Im having problems with the new set of firmware.I uploaded Arducopter V2.7.1 using the arduino relax, and when i use mission planner 1.2.7 to connect to it, nothing updates, all flight data…Continue

Question about APM 1.2.4 setting for X8 quadcopters.

Started this discussion. Last reply by AlexP Sep 18, 2012. 11 Replies

With the new APM 1.2.4 update, i was wondering, how do i select a frame for X8 quadcopters. Because, there is no option for X8 configuration. there is Y6 but no X8... PLEASE HELP...…Continue

Tags: for, X8, quadcopters, setting, 1.2.4

 

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AlexP replied to DT's discussion Question about APM 1.2.4 setting for X8 quadcopters.
"I was able to easily make it work using the instructions: http://diydrones.com/forum/topics/ardupilot-on-an-xaircraft-x650-v8-body?commentId=705844%3AComment%3A822103 I have also added a reply to that thread with links on how to upload custom code.…"
Sep 18, 2012
AlexP replied to DT's discussion Question about APM 1.2.4 setting for X8 quadcopters.
"Apologies, now that I'm more awake after a night of sleep, instead of after a day of building:   I think I can figure this out, based on Marco's input. However, if someone could answer the following question: is Mission Planner still…"
Sep 17, 2012
AlexP replied to DT's discussion Question about APM 1.2.4 setting for X8 quadcopters.
"I would appreciate some help too. I cannot find the apm_config file that contains a 'frame_type' parameter.  Would truly appreciate a more thorough explanation. I'm using Mission Planner 1.2.11 mav 1.0 and that is the only thing…"
Sep 16, 2012
Mike Boland replied to DT's discussion Motor acting jittery at constant pwm
"A little hard to tell from the video what problem you are referring to. Some details of your setup would be make it possible to analyse further, what version FW, what board, radio, etc "
Sep 3, 2012
DT posted a discussion

Motor acting jittery at constant pwm

Please check out the video, and let me know if i should be worrying?See More
Sep 3, 2012
DanRZ replied to DT's discussion APM OUTPUT TO MOTOR WEIRD TUNING GRAPH
"A good way to avoid faulty motors would be to swap two opposite motors and see if the motors swapped still have the problem and not the other one. And i would like to say that the logs are very disappointing ... What does 1900 value mean ? 100 %…"
Aug 23, 2012
DT replied to DT's discussion APM OUTPUT TO MOTOR WEIRD TUNING GRAPH
"Hi, Ive done an actual flight, the yaw isnt a problem anymore. the problem now is that some motors on the same branch spin more, this causes said motor to do all the work, where as the other motor on the same branch works less. I would like the lift…"
Aug 23, 2012
DanRZ replied to DT's discussion APM OUTPUT TO MOTOR WEIRD TUNING GRAPH
"Hello do you test your octa quad on bench with or without the props ?Without the props you can have some adjustments done by the ardupilot.As jasonshort says, maybe it just tries to correct Yaw or any other position.Whitout props the compensation…"
Aug 23, 2012
DT replied to DT's discussion APM OUTPUT TO MOTOR WEIRD TUNING GRAPH
"REALLY? NOTHING? "
Aug 22, 2012
DT replied to DT's discussion APM OUTPUT TO MOTOR WEIRD TUNING GRAPH
"I seem to have fixed the problem (title of post).. but now im noticing another problem, after a short flight duration, i noticed that the bottom 4 motors in the OCTA QUAD configuration are working less compared to the top 4 motors... using the…"
Aug 22, 2012
DT replied to DT's discussion APM OUTPUT TO MOTOR WEIRD TUNING GRAPH
"Thanks, How long do you normally wait before starting to fly? and how do you know when its ready to fly? "
Aug 21, 2012
DT replied to DT's discussion APM OUTPUT TO MOTOR WEIRD TUNING GRAPH
"Thanks, How long do you normally wait before starting to fly? and how do you know when its ready to fly? "
Aug 21, 2012

Developer
jasonshort replied to DT's discussion APM OUTPUT TO MOTOR WEIRD TUNING GRAPH
"Yeah, that's the quad trying to Yaw. Jason"
Aug 21, 2012
Dan Gray replied to DT's discussion APM OUTPUT TO MOTOR WEIRD TUNING GRAPH
"That can happen if you start it before the magnetic sensor has settled out. Dan"
Aug 21, 2012
DT posted discussions
Aug 21, 2012
DT replied to DT's discussion Mission Planner 1.2.7 and ArduCopter V2.7.1 issues with communication
"I got the thing to update just fine, but now under "radio configuration" the data does not update. I found out later, this was because i included a #include<Servo.h> line. When i removed that line, everything worked fine. I added the…"
Aug 21, 2012

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