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APM3.4.6 RTL mode Crashed my Copter

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@rockycao wrote:

My copter controled by an iPad crashed today during executing RTL mode. At the time it reaches the RTL height, it dropped down to ground. Is it possible that the remote control software made this happen? it uses only GUIDE and RTL mode, and sometimes send mavlink: MVMessageSetPositionTargetGlobalInt message to controll its speed & direction. On the ground, all testing on iPhone/simulator/Copter are fine. I can’t figure it out why yet. software/hardware? Really appreciated if anyone’s help or hints for troubleshooting this problem.

log:http://112.124.25.213/2018-3-17-16-56-52.bin
http://112.124.25.213/aaa.mp4

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Problem starting with SITL

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@elgarbe wrote:

I’m following steps from here http://ardupilot.org/dev/docs/setting-up-sitl-on-linux.html
sim_vehicle.py -w works ok, then try
sim_vehicle.py -j4 --map --console
and works ok, but I get no map. It seem that start downloading but it doesn’t.

Then I go to https://www.youtube.com/watch?v=JvAzjPYTl6Y and try
sim_vehicle.py -V APMROVER2 -f rover-skid --console --map -w

this time I get

Connect tcp:127.0.0.1:5760 source_system=255
[Errno 111] Connection refused sleeping
[Errno 111] Connection refused sleeping
Failed to connect to tcp:127.0.0.1:5760 : [Errno 111] Connection refused
SIM_VEHICLE: MAVProxy exited
SIM_VEHICLE: Killing tasks

Thank

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Problem in Params with Compiled Copter 3.5.5

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@Tudole wrote:

I tried to compile Copter 3.5.5 for traditional Heli under Windows Eclipse and couldn’t make it to work. I’ve setup the project per APM website instruction created a project with existing code with makefile. When I use the firmware downloaded from APM site, I can see the full list of Heli related params. When I used my own compiled firmware, I don’t see them. It seems like the param was not set correctly or the file from Github is not really the one used to compile the master. Is there anyone can direct me to which file I need to change/update? The reason I cannot use the AC 3.5.5 firmware is that I am design a new frame so I need the flexibility to modify the code.

In the picture, the left is the param from master, and the right is my compiled firmware. H and IM are missing.

Any help is appreciated!

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Bad Gyro Health in new copter with Pixahwk 2.1

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@norim wrote:

Hi
I am building new copter based on pixhawk 2.1 and here+ gps. It will be quite big octo but for now it’s quad with 15" propellers. I have mission planner 1.3.52 and copter firmware 3.5.5. When I am connected to mission planner from time to time I get message “bed gyro health”. It happening almost every time when copter is just laying on the desk and nothing is happening with it. I did accel, level calibration and compass calibration. This info showing only for 1-2 seconds and disappears. I had one test fly and copter was quite steady. I don’t know where to search in log for problems with gyro which parameters I should observe ? For example gyrosq1 is 5 gyrosq3 is 5 but gyrosq2 sometimes is 50. I am quite worried that it’s hardware issue ? How can I check that ? I flashed firmware and did whole procedure of new settings two times and problem still exist :frowning: Anyone any idea what is wrong ?
During this logs I get message bed gyro health:
http://fotostacja.pl/2018-03-17%2017-34-44.bin
http://fotostacja.pl/2018-03-17%2017-38-13.bin

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Making donations more appealing

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@lucamax wrote:

Making a donation to Ardupilot project is a bit frustrating , these, IMO, are the reasons:

  • With Paypal, as far that I understand only the Paypal account e-mail will be registered as donator, but it is not the e-mail which I use for registering here on Ardupilot website.
    So how the good guys of Ardupilot project will ever know who has donate something ?

  • I’m not shy, it would be nice for me if something would identify me as a donator .
    At least someone should donate something at least each year to earn the “donator” flag.

  • If someone is looking for help, I will more likely try to help him if that guy is a donator rather than a “one shot” forum guest.

I was in doubt about the section where this post should appear, “General” was probably fine but since it is about money , I thought that “Marketing” should go :slight_smile:

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Change flight mode via QGC widgets

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@promistrio wrote:

Good night! How to change flight mode via QGC widget? I try

import QtQuick 2.2
import QGroundControl.Controls      1.0
import QGroundControl.FactSystem    1.0
import QGroundControl.FactControls  1.0
import QGroundControl.Palette       1.0
import QGroundControl.ScreenTools   1.0
import QGroundControl.Controllers   1.0

Rectangle {
    anchors.fill:   parent
    color:          qgcPal.window

    CustomCommandWidgetController {
        id:         controller
        factPanel:  panel
    }

    QGCPalette { id: qgcPal; colorGroupEnabled: enabled }

    Column {
        spacing: ScreenTools.defaultFontPixelHeight

		
		QGCButton {
            text: "1"
            // Arguments to CustomCommandWidgetController::sendCommand (MAVLink COMMAND_LONG)
            //   command id
            //   component id
            //   confirmation
            //   param 1-7
            onClicked: controller.sendCommand(176, 50, 0, 1 , 0, 0, 0, 0, 0, 0)
        }
		
		QGCButton {
            text: "1"
            // Arguments to CustomCommandWidgetController::sendCommand (MAVLink COMMAND_LONG)
            //   command id
            //   component id
            //   confirmation
            //   param 1-7
            onClicked: controller.sendCommand(176, 50, 0, 12 , 0, 0, 0, 0, 0, 0)
        }
		
        QGCButton {
            text: "65 | 65536 new"
            // Arguments to CustomCommandWidgetController::sendCommand (MAVLink COMMAND_LONG)
            //   command id
            //   component id
            //   confirmation
            //   param 1-7
            onClicked: controller.sendCommand(176, 50, 0, 65 , 0, 0, 0, 0, 0, 0)
        }
	
		QGCButton {
            text: "65 | 458752t"
            // Arguments to CustomCommandWidgetController::sendCommand (MAVLink COMMAND_LONG)
            //   command id
            //   component id
            //   confirmation
            //   param 1-7
            onClicked: controller.sendCommand(176, 50, 0, 65 , 0, 0, 0, 0, 0, 0)
        }
		
		QGCButton {
            text: "81 | 65536"
            // Arguments to CustomCommandWidgetController::sendCommand (MAVLink COMMAND_LONG)
            //   command id
            //   component id
            //   confirmation
            //   param 1-7
            onClicked: controller.sendCommand(176, 50, 0, 81 , 0, 0, 0, 0, 0, 0)
        }

		
    }
}

but it’s don’t work. I get image

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Forcing a dive?

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@AAllport wrote:

I am currently working on a project that involves a flaperon plane (wing) falling from a large height.
Is it currently possible to make the craft forcefully make a dive straight down till an altitude and then pull out. I am trying to achieve this whilst maintaining minimal effect the the rest of the operation during auto mode,
Many Thanks
A

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Loss of control after motor failure on octaquadplane

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@Anthony wrote:

Moving the discussion from GH as requested. Full context here: https://github.com/ArduPilot/ardupilot/issues/7927

@Leonardthall : have you ever experienced a motor failure with an octa config? What you’re describing doesn’t reflect reality. After witnessing well over half a dozen motor failures, I can say with confidence that what I’ve seen happen is basically “nothing”: the flight controller seems to do a great job at coping with motor loss, and it is able to land the vehicle in a controlled manner. However what happened on that last “problematic” flight is new, which is why I opened a new issue. By the way, just today another motor/ESC lost sync (not kidding), the prop stopped spinning, and the vehicle landed just fine. This time I know it lost sync because the logs show AP was sending nominal PWM to the ESC.

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Mission planner problem

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@hafssa_aboulghit wrote:

hello community , i have a problem will installing mision planner it gives me because i don’t have .net framework 4 but i use to install it
this block me to continue my project
waiting for your answers.thank you

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Several lose & reconnect of all visible Sats within seconds

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@Superbowser wrote:

who has an idea why this copter suddenly loses ALL satellites and reconnects and loses again within seconds…(14:12:49). The UAS was transported from Germany to Brazil and the pilot didn’t recalibrated the compass before first flight there.
but I see no reason, because the EKF values ​​were still quite passable until that happened.
only the lack of activation of “moving base” ( RTK Inject )by the pilot I noticed, but is that really the reason …?
(PH2, Here+, AC3.5.5 , RTK inject activated)

Bin File

Thx for any hint !

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External compass QMC5883L calibration error (99) on APM 1.0

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@mkeyno wrote:

I bought 3.3 volt external compass QMC5883L and add its library on Arducopter version 3.2.1
my hardware is APM 1.0, and driver header files located at here however when edit config.h and ArduCopter.pde to make instant of driver, in calibration process in mission planner it says , it can read 3 date and error #99
any help really appreciated

photo_2018-03-19_00-15-27

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RC input Aileron missed

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@mkeyno wrote:

I’ve been trying to calibrate my futaba RC in mission planner , but noticed data of RC input Aileron missed , I double checked wiring all into input rail (input number 0 on APM 1.0 ) and its OK , but I don’t know why can’t read by mission planner configuration wizard ,
is there anyplace in source code that should be checked ? I used Arducopter version 3.2.1
any hint really appreciated

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How can port a linux based flight controller?

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@hummingbird wrote:

Hello everyone,

I want to try Arducopter on Raspberry Pi 3B. I designed a PCB includes the IMU, barometer and IO co-processor.

I follow the instructions on BUILD.md and I compile the code with --board linux parameter.

I think that i have to create a new board before compile the code. There is a document for porting but it doesn’t include the linux based flight controllers.

How can create a new linux based flight controller board and define the pinouts and modules like IMU etc.?

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TX2/APSync/Openkai?

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@rbachtell wrote:

Any thoughts of migrating to the TX2 platform for more room and speed?

I have a TX2 that needs a job.

Cheers, RB

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Gimbal tilt initial angle setting?

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@sirlordmiste wrote:

I have a tarot brushless gimbal controller which handles stabilisation, taking a tilt angle setting from AUX1 (RC7) as configured through MissionPlanner’s camera gimbal page.

When I power on, if the TX is switched off, the camera defaults to pointing straight down (equivalent to low PWM). Is it possible to change the value being sent to the gimbal at startup (no RC input) from low PWM to mid? I’ve tried setting the “Neutral” angles in the gimbal control page to no avail.The design of my copter means otherwise the camera hits the floor!

When the TX is switched on, it goes to the angle set by my control wheel as it’s supposed to.

Thanks

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Box Boat test with Rover-3.3-dev

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@rmackay9 wrote:


The video above is a first test of my “box boat” which is a waterproof box with two thrusters on the bottom, a Cube autopilot running Rover-3.3-dev firmware. I drove it around in manual, acro and then successfully tested RTL and Auto.

It worked pretty much as expected with the exception that it weaves a bit between waypoint. The issue here is (I think) we need “heading hold” added between the navigation and low level turn-rate controller. This will make driving the vehicle around in Acro and Steering modes much easier but it will also allow us to catch and correct any heading errors before they build up into position error (at which point the navigation controllers notice and correct them).

The thrusters are the T200 from BlueRobotics.

P.S. apologies for the mediocre video quality. I have a new camera coming for future videos.

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How can I add custom param and updown control?

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@111133 wrote:

Hi! there…
I’m trying to make temperature failsafe on Mission Planner.
It will warning when the drone’s temperature reaches critical temperature…
so it needs temperature param and updown control to set param value…

but I can’t find where do I add params and controls?

Please guide me how to make it?

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Navio 2 Connection Problem

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@Andrew_L wrote:

I have Navio 2 as an autopilot. But, I have a problem with connecting QGroundControl to navio 2 without any radio telemetry. Do you guys have any solution?

Thank you.

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About the Copter 3.6 category

New Loiter testing

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