@csaito wrote:
Hello, I am trying to decide which 6S brushless motor should I use for the foward flight for my X8 skywalker VTOL. It will help me if you give me some suggestions. The total weight of the drone is 6kg.
Thank you very much for your help.
Carlos
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Participants: 1
@Illini_Rob wrote:
Hello,
I’m continuing to improve on my PZ Radian Pro quadplane installation. (Pixhawk 2.1, latest beta arduplane firmware, t-motor 4in1 esc, pretty standard stuff)
Overall I’m very impressed with Arduplane, autotune, q_autotune, Mission Planner, etc…I have good position hold during loiter and I have smooth outbound and inbound transitions between FBWA and Q_Hover.
I’m experimenting more with increasing control in windy conditions in Q_Loiter. (The Radian has a relatively low wing loading so is susceptible to disturbances)
I’ve enabled Q_WVANE_GAIN and have pushed Q_VFWD_GAIN to 0.5 which is the maximum recommended. This seems to reduce ballooning (from changes in wing pitch/lift) when the aircraft is commanded fore or aft in Q_Loiter.
I have a few general questions regarding Q_VFWD_GAIN:
- What exactly is it defined as? I assume it is unit-less? Is it a fraction of propeller control versus pitch attitude control for fore/aft positioning?
- It looks like Q_VFWD_GAIN will accept a value of more than 0.5 and I plan to push it beyond slowly. I assume this is fine as long as I move cautiously?
- What exactly will happen if I push Q_VFWD_GAIN to 1.0? Is this the maximum number it can possibly be set to?
Thanks!
-Rob
Posts: 1
Participants: 1
@marietto2008 wrote:
I would like to know if Arduplane / Ardupilot supports the flapping wings of a flying bird. thanks.
Posts: 2
Participants: 2
@csaito wrote:
Hello
I am wondering if there is a way to limit the power output on the motor, so the plane will cruise at a lower airspeed.
Thank you very much for your help.
Posts: 1
Participants: 1
@Hari_prasad_jain wrote:
Hi Everybody,
I just finish my first transition with the quadplane, it flew really well initially and then during landing phase of vtol transition it suddenly start coming down. I was using rfd 900 + Telemetry and there was another guy at the same net id, but before flight itself another guy agreed to switch off his system, though he could have changed hi net id!! later I do not know whether he switched it on during my landing transition, did that lead to a hard land??? I’m not sure, please help me.Quadplane _log
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Participants: 1
@widy0761 wrote:
anyone can help me with my plane??why roll and pitch not stable
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Participants: 1
@ishmaelfarai wrote:
Hi Guys
I am new on this platform and I need some help/ideas on a project that I am currently working on. I am building a quadplane using 4 motors with propellers mounted on them for VTOL & 2 electric ducted fans for forward propulsion. Using mission planner to upload firmware on my pixhawk autopilot I chose the quadrotor frame type, wanted to find out if it is possible to configure the 2 fans to run on mainout ports 5 & 6?and how this can be achieved?
Posts: 1
Participants: 1
@jesus_taax wrote:
Hello,
I need to a rate of 50hz of this parameters in order to use with a companion computer. Initially it is possible to put this at 10hz in the param list, but I need a higher rate. How can I do it?
On the other hand, usually, when you change this in the param list at a value of 10 for example, when you re-start the autopilot suddenly change to the default value again… how can I solve this?
Thanks
Posts: 7
Participants: 3
@glassfish wrote:
Hello,
I am participating in a design competition where I am using ArduPilot for telemetry and stability. Use of autonomous flight is strictly prohibited. Is there any way to disable these features and prevent them from being accessed in during flight either from mission planner or the transmitter. Can anyone help? I am using a Pixhawk v1.
Thanks
Posts: 2
Participants: 2
@Verloop wrote:
All went well for this mission until landing. We switched to QHOVER, transition took place and suddenly all multirotors stopped working. It was at 15 meter altitude and of course had a serious crash.
Strangly, after looking at the logfile, it looks like there was a total loss of power. However, nosecam video showed the plane going down and crashing. So the power was still there.
I need some help to find the root cause of the problem.
Logfile is here:
https://drive.google.com/open?id=1mDEWWnKOYjCB2Ua4Gh2NHrOnReh1cW0E
Posts: 3
Participants: 2
@Taipan wrote:
omnibusf4pro 0030004D 3548500A 20373753
ChibiOS: d2030d88
ArduPlane V3.9.7 (6a3513fb)I have an Omnibus F4 Pro ver3 FC board that I am setting up on the bench. Everything is working fine so far, but I have some queries.
Q 1. The Omnibus F4 Pro uses a buzzer like this:
which just requires 5V to make a 2khz noise/whistle.When I first connect the battery to the FC, the buzzer emits a loud 2khz tone for several seconds while the FC is booting up and then emits the usual ArduPilot musical tones to indicate that it is ready. I would like to know if there is any way that I can make the buzzer be quiet until the musical tones are emitted? I am guessing that the buzzer port is being held at +5V during the boot up stage and thus causes the continuous tone for several seconds?
Q 2. To calibrate the current sensor, I connected a 4.2 ohm/40W resistor where the ESC will be powered. At 12 V, this should draw about 2.8A in addition to the quiescent current (~ 0.5A). However, the reading that is displayed in Mission Planner fluctuates rapidly between about 3.1A to 3.5A. When I view the battery current in the log file, this is what I see:
which shows that the current reading is very noisy.Is this noise due to sampling errors in the F4 ADC? And is there any way to reduce or eliminate that noise?
Q 3. I get an error message in Mission Planner that says “Bad or No Terrain Data” when the SD card is not inserted. That message seems odd and probably should say something more relevant like “SD card not detected”? Is that correct?
Posts: 1
Participants: 1
@elected wrote:
Gday, folks! Does anybody know how to set up horizontal and vertical offset of camera’s sensor center to a GPS reciever (mine gps reciever location is 315 mm back and 10 mm higher than camera’s sensor center). Thank you in advance.
Posts: 6
Participants: 4
@aissi wrote:
hello all, this is my first post. i’m not native English speaker so sorry for my bad English
i have an issue with tuning ground steering in my plane volantex ranger ex 757-3. Even i followed the documentation of http://ardupilot.org/plane/docs/tuning-ground-steering-for-a-plane.html.
the issue happened while taxiing, when i hand off rudder to hold the current compass heading. the plane turns with about 180 degrees offset, sometimes after this process the plane start weaving.
pixhawk2.1 cube the autopilot that i use.
i use GPS here as the external compassif someone had the same problem please help me or something that can helps me , i’ll appreciate that.
Best Regards,
Posts: 3
Participants: 2
@wsalopek wrote:
I’m sure I had read in several places that a major difference between an analog vs a digital airspeed sensor was that the digital sensor does not need calibrated. But now I’m not so sure.
So a few questions from a long time Arducopter user, but a new Arduplane (quadplane) user:
Do I need to calibrate the digital airspeed sensor? Just once, using ARSPD_AUTOCAL = 1? And then turn ARSPD_AUTOCAL off? It sounds like some folks keep it on all the time.
Do I need to make sure I cover the airspeed sensor on bootup for each flight?
How does the above integrate with using the PREFLIGHT_CALIBRATE --> DO ACTION? Do I need to do that for each flight? Doesn’t that mean the ARSPD_AUTOCAL will be over-written? Or perhaps I’m just recalibrating the ZERO number?
Are we saying then that if I boot up the airplane on the ground on a windy day (say 15 knots/whatever), that Pixhawk will think 15 knots is actually zero?
Thanks…
Posts: 2
Participants: 2
@lowlyelevated wrote:
In short, I’m trying to set up a tiltrotor on the Master version of arduplane, and I’ve noticed a potentially worrying difference between Master and 3.9.7. I need Master because my setup is using a UAVcan airspeed sensor, and that bit of code hasn’t found it’s way into any stable release.
However, I’ve noticed this: In Master, the aileron servo travel seems to be greatly reduced when in FBWA mode. They only move to about half as far as they normally would. The stick scaling seems to be the same, but the servos just stop responding once you go past that amount on the RC input.It also appears as though it is no longer aiming for my maximum allowed roll angle, only around half of it. Same applies to my tail surfaces, but the change is not as drastic.
With all parameters being the same, I’m at a loss as to:
- What is causing this? And
- Is it even an issue? Or is it intentional?
Note that I’m doing all of this with the motors disarmed, and I’m not sure if that makes a difference or not in this case. I haven’t flown it yet, and I know that trying to go to FBWA while the motors are armed tries to start a tiltrotor transition, so I haven’t attempted that.
Any help or information on this would be greatly appreciated
-James
Posts: 1
Participants: 1
@alinscodes wrote:
Hi. When doing this setup and simulation in mission planner, the radius for each loiter turns commands shows up to be very weird sizes. For example the radius is set to go from 100 to 400m but you see the simulation doesn’t look right.
100m is the 2nd smallest
200m is the biggest circle
300m is the smallest circle then
400m is the 3rd biggestDoesn’t make any sense.
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Participants: 1
@Kyomo_Jung wrote:
My flywing is doing beatbox. So fun.
P.S : Actually it is servo jiterring caused by 500mW telemetry modem. Hope enjoy ^^
Posts: 1
Participants: 1
@111170 wrote:
Hello, everyone.
We’ve got a big problem and we’re asking for help.
We first put the arduplane firmware on pixhawk1. Later, Q_ENABLE was set to 1.
But the motor is not working.
PWM signal is not coming from anywhere except channel 3.
What’s the problem?
Posts: 1
Participants: 1
@aamadeuss wrote:
Hey Guys,
i am having a hard time tuning on of my quad planes. i made a perfect square around the CG for my motor booms. The booms are to flexible and twist. That makes it impossible to get a reliable and good YAW tune.
a = 50cm, red = boom, dotted line is just for clarification
i thought about shortening the booms around 20%, fine for the propellers.
Log of an Yaw autotune: https://framecloud.info/index.php/s/PWooxPLcMo2ZixP
Is pitch still reliable then?
What do you think about that idea. I saw a lot of quad planes in a “non” square configuration lately. how does it influence the flight characteristics?
thanks!
Posts: 8
Participants: 4
@oxtraveler wrote:
Hello everybody, Now i worked with PX4 and meet next trouble. I can’t connect Sony a6300 to PX4. Network have some manuals for connect camera, but for another PX4 controller.
For connection used:
![PNG]()
how i can do camera shoot on ardulipot with this devices? Which configuration and pins i must use?
Used manuals:
http://www.tuffwing.com/support/Tuffwing_trigger_sony_nex_IR_pixhawk.html
https://docs.px4.io/en/advanced_config/parameter_reference.html#TRIG_PINS
Posts: 1
Participants: 1
