Questions tagged [px4]
PX4 is an open source autopilot project
31
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Which version of the PX4 software stack is compatible with ROS Noetic
I cloned the source code of PX4-Autopilot into my ros_noetic_ws and attempted to compile it using the catkin_make command, but ...
- 3
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23
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Gazebo SDF file, Defining Motor & Prop parameters like MaxRotVel, RotorDragCoefficient etc
I am new to Gazebo SDF file generation and I am facing problems in defining motor parameters. Can anyone give an understanding (also where to get it). Iris is an example which is already there as a ...
0
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29
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How to get Airsim in Windows to send data to Px4 with Gazebo backend in WSL2?
Not able to connect px4 to GazeboDrone, it shows
"Waiting for connection - XXXXXXXXXXXXXXXXXXX"
The objective is:
Using GazeboDrone and Airsm, I would like render the visualization of a ...
- 121
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1
answer
34
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Do electromagnets affect magnetometer calibration?
I am designing a landing pad for a drone that will have electromagnets built into the pad. My drone has a pixhawk 2 with PX4. I'm worried that the electromagnets in the pad will throw off the drone's ...
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1
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10
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mavros rotation over z axis
Dear community. Since I did not get an answer to my last post due to the lack of info I have posted.
The goal I want to achieve is to rotate the drone over the z-axis slow.
The node ...
subarashi
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0
answers
402
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Takeoff service not working as expected
I'm simulating Iris quad sing px4+mavros+gazebo. I'm trying to get my drone to takeoff using python code. When I publish height using mavros/setpoint_position/pose, ...
- 96
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1
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524
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Can someone explain this yaw angle calculation equation?
Nowdays, I am trying to understand PX4 Autopilot(Drone Flight Control Open Source) attitude control code. But I can’t understand formula below which is in attitude control code description.
Can anyone ...
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1
answer
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package terminate called after throwing an instance of 'std::logic_error'
this question might be better suited for px4 forums, but no one replies there.
When I try to launch a particular node/module on jetson TX2, it terminates and shows this error
...
rosnroll
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1
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8
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How to split a launch file for two different nodes?
I am new to ROS, please bear with me.
I am trying to run a PX4 drone avoidance module, with a PX4 drone simulator, on two different computers. (intel x86, and jetson tx2). Both have ROS melodic ...
rosnroll
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1
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5
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Failing to build PX4 with catkin build
I want to use PX4 launch files (mavros_posix_sitl.launch) with GAZEBO simulator, but I can't build PX4 as a ROS package.
I am using ROS melodic on Ubuntu 18.04.5 LTS.
I installed PX4 inside ~/...
Naza karim
2
votes
1
answer
123
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What flight firmware stack is most common in aerial robotics research environments?
I'm considering Aero-Astro grad school and am looking into acquiring a drone hardware platform to implement GNC/ PNT/ autonomy papers like those I might see from, e.g., the Navigation and Autonomous ...
- 123
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28
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ROS2 Image subscriber
Hello i'm pretty new to ROS2, i would like to make a simple Image subscriber of a ROS2 topic which come from a camera (which is on a drone) in a Gazebo simulation.
I'm using ROS2 foxy and Gazebo11.
...
Kreace
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1
answer
1
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Qt - Cannot run PX4 .launch file
Recently adopted the ROS plugin for Qt Creator for its use in profiling ROS nodes. However, it seems like the build/run settings cannot be set up to launch anything related to PX4. Is it possible? An ...
magnus
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1
answer
3
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MAVROS PX4 Error Failed to Import Packaging
I'm following this tutorial: https://dev.px4.io/v1.9.0/en/ros/
I've run the build scripts: https://raw.githubusercontent.com/PX4/Devguide/v1.9.0/build_scripts/ubuntu_sim_ros_melodic.sh
I've built my ...
quadman
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2
answers
8
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How to Subscribe to Imu data and broadcast transform
I have a UAV application and I am using Hector-SLAM for the navigation. I have got Hector-SLAM working with just the map, base link and laser frames but I would like to add a base_stabilised frame to ...
SamH
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1
answer
9
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Permission denied when trying to run PX4 roslaunch file
When I'm trying to run PX4 multi_uav_mavros_sitl.launch file it throws permission denial errors and kills the processes like this:
...
kris_1313
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1
answer
5
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Understanding PX4/ROS Gazebo sim
I'm interested in developing some autonomous drone software for a fun personal project and I thought it would be good to do some simulations using Gazebo. After doing some research it seems like the ...
hgridley
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1
answer
574
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Error during mavros Multi-Vehicle Simulation with px4 in Gazebo | Invalid <param> tag
I followed the instruction as mentioned here. Everything worked fine but at last stage when I try to run:-
roslaunch px4 multi_uav_mavros_sitl.launch
I get ...
0
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1
answer
2
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Error during mavros Multi-Vehicle Simulation with px4 in Gazebo
I followed the instruction as mentioned here. Everything worked fine but at last stage when I try to run:-
roslaunch px4 multi_uav_mavros_sitl.launch
I get ...
Nebula
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2
answers
2k
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roslaunch mavros px4.launch not working properly
when I run roslaunch mavros px4.launch command process start and shut down.
...
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1
answer
17
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<SOLVED> How to subscribe to IMU data? Offboard control, PX4, MAVROS
Sorry I couldn't find out how to paste code properly. I'm trying to get IMU data from px4 through MAVROS. I am doing offboard control.
I referred from this website to make an IMU listener. (Writing a ...
SarahMars
0
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1
answer
35
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mavros set offboard mode
Hi,
I'm trying to control a pixhawk via mavros. I have written a test node which set the mode to offboard, arm the drone and send some ...
MaximeRector
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2
answers
183
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Cmake Error While Buliding Pixhawk simulator
I am trying to run "px4 SITL simulation" using gazebo7 on my machine with "UBUNTU-14.04 LTS" using these commands:
...
0
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1
answer
43
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mavros offboard no GPS
Hi, have recently been trying to control a rover equipped with a Pixhawk2 in an indoor environment.
For this purpose, I have followed the steps outlined in the mavros_offboard tutorial. I also had to ...
gpldecha
0
votes
1
answer
5
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How does MAV_FRAME_LOCAL_NED work?
Background
I am trying to use OFFBOARD control mode using px4 firmware and haven't decided if I want to publish my command to /setpoint_velocity/cmd_vel topic or <...
magiccjae
0
votes
1
answer
8
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Pixhawk not publishing the local position of my Quadrotor
I am on Ubuntu 14.04 (ROS Indigo). I run "roslaunch mavros px4.launch" and am able to successfully connect to my quadrotor. I have a working GPS signal and also could see the data being ...
Karthikeya Parunandi
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1
answer
3
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Integration of px4, px4flow with AMCL localization for quadrotor
Hi everybody,
Following previous questions (1, 2), I would like to ask you if this architecture looks smart and efficient. My goal is to perform autonomous indoor navigation for quadrotor based on ...
quentin
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1
answer
4
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Interface Pixhawk with hector_slam / AMCL
Hi everybody,
I am developing an autonomous indoor quadrotor. For the moment everything was simulated on Gazebo and worked well. Now I want to push everything on a real drone and make use of both a ...
quentin
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1
answer
2
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How to arm or set quadcopter (Iris+) mode while running ArduCopter SITL with ROS/Gazebo?
I am referring to http://dev.ardupilot.com/wiki/using-rosgazebo-simulator-with-sitl/
Based on the code, the following is my understanding of what's happening -
You receive input to ROS (mavros) via ...
nemesis
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votes
2
answers
1
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configs/nuttx_px4fmu-v2_default
I followed the tutorials from https://pixhawk.org/dev/ros/sitl and in the end when I did catkin_make, i got the following error. I did not change any files, all I did was follwed that tutorial. Please ...
zshn25
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1
answer
3
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Mavros actautor topic conflict
I am following this tutorial here: https://pixhawk.org/dev/ros/ground_rover
I have sussessfully got this to work using the mavros in the past but I have since built mavros from source and now I am ...
K7