"Re: inertial navigation
Is inertial navigation not part of the current 2.9.1b release and is it being developed in 3.0 release?
"
David Ardis's Discussions
Loiter Tuning
Started May 7 0 Replies 0 Likes
I have a 3DR Hex with an APM 2.5 running 2.9.1. After some tuning my hex is extremely stable in loiter on a calm day but on a windy day is a bit nervous in loiter mode (small quick movements) but…Continue
PPM encoder firmware
Started this discussion. Last reply by David Ardis Apr 22. 2 Replies 0 Likes
I have a APM Ver 1 which I recently installed into a 3DR Hex frame. I have a problem getting channel 6 to work. When I calibrate the radio channel 6 does not work if I unplug ch6 from the receiver…Continue
Servo Calibration
Started Nov 26, 2011 0 Replies 0 Likes
Got my first ardupilot mega a few days ago and have been having problems getting the servo calibration working. I have the RC installed as instructed but when I try to calibrate the servo indicator…Continue
Tags: servo, calicration
David Ardis's Page
Latest Activity
David Ardis replied to David Ardis's discussion Loiter radius in the group ArduCopter User Group"Mine moves very slowly around a 5m box still very impressive, altitude hold is really good.
The only problem i have is in loiter mode the Hex gives the odd small twitch I have already adjusted loiter rate p…"
Gustav Kuhn replied to David Ardis's discussion Loiter radius in the group ArduCopter User Group"I did a loiter test on my new 3dr quad this weekend, in light wind, and the loiter box was less than 5m, closer to 3m......."
Gonçalo Abreu replied to David Ardis's discussion Loiter radius in the group ArduCopter User Group"Next release will bring huge improvements. I dont think 5 meters can be reduced because the GPS accuracy is limited by the USA to that range(obvious reasons). But you can improve its precision with something called inercial navigation, and filters,…"
David Ardis added a discussion to the group ArduCopter User Group
Loiter radius
I have got a 3DR Hex and APM 2.5 by default the loiter radius is 5m can this be reduced ,is it a good and I so how low can it goDavid ArdisSee More
David Ardis commented on Julian Oes's blog post New ArduPPM firmware version 2.3.16 in the downloads section"@Julian PPM updated and all problems have been solved first receiver now working well"
David Ardis posted a discussionLoiter Tuning
I have a 3DR Hex with an APM 2.5 running 2.9.1. After some tuning my hex is extremely stable in loiter on a calm day but on a windy day is a bit nervous in loiter mode (small quick movements) but still stays quite well in position.Can anyone suggest what I could tune to make it less nervous in loiter. Thanks David ArdisSee More
David Ardis commented on Julian Oes's blog post New ArduPPM firmware version 2.3.16 in the downloads section"@Julian Thanks I have ordered a programmer and will update to 2.3.16"
David Ardis commented on Julian Oes's blog post New ArduPPM firmware version 2.3.16 in the downloads section"@Julian: I want to use channel 6 to tune the hex according to my scope channel 6 is outputting 1500us in the centre but the according the radio calibration screen it never moves from 900us. The Blue LED on APM is blinking and channel 1 - 5 and…"
David Ardis replied to David Ardis's discussion PPM encoder firmware"I have managed to solve the problem I changed the receiver and the problem went away.
The new receiver is exactly the same model, what is even stranger is then I connect a servo to channel 6 on the original receiver it works as expected.
I will do…"
Harry replied to David Ardis's discussion PPM encoder firmware"Is there someplace in the Arducopter code or whatever code is using the PPM signal where you can set the # of channels to 1 greater than you actually have? If your encoder is connected to 6 channels, then set the code that reads the encoder…"
David Ardis commented on Julian Oes's blog post New ArduPPM firmware version 2.3.16 in the downloads section"Could the issue with Futaba Receivers be the reason why i can't get channel 6 to work. I am using a futaba 7 channel 2.4 ghz receiver and 14mz transmitter.
Channel 6 will work if i unplug it and plug it back in again."
David Ardis posted a discussionPPM encoder firmware
I have a APM Ver 1 which I recently installed into a 3DR Hex frame. I have a problem getting channel 6 to work. When I calibrate the radio channel 6 does not work if I unplug ch6 from the receiver and plug it in again it works until the radio is switched off.If I update the PPM encoder firmware will it solve this problemI am using a futaba14mz and 7channel 2.4 Ghz receiverThanksDavid ArdisSee More
David Ardis replied to James masterman's discussion Altitude accuracy"I have had the same problem and discovered the altitude varies depending on the speed of the aircraft. Basically i was pressurising the inside of the plane. I solved the problem by connecting the pressure sensor to the static line of the pitot"
David Ardis replied to David Ardis's discussion GPS Problem in the group ArduPlane User Group"I got the module working.
Basically the module is running too fast. I changed the following line in the tutorial
$PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28 I changed it to
$PMTK314,0,5,5,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28
Hope this is useful…"
David Ardis replied to David Ardis's discussion GPS Problem in the group ArduPlane User Group"Thanks Chris I will have a go at he test code
David Ardis"
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