Joe28965's profile - activity

is gazebo_ros2_control installed?

I know TimerAction can be used to delay IncludeLaunchDescription as well. An example of TimerAction. Just replace the No

Why do the event handlers not achieve the desired outcome? Also, if you're using gazebo_ros2_control you should launch

It's a feature that, by the looks of it, is currently being added to Nav2 as described in Discourse. However, that woul

Then that will be the reason. Gmapping won't be able to deal with that.

I've made an issue for it on the driver GitHub page. You could see if you could add the parameter and resolve the issue,

You mean that it's not driving in a straight line? In that case, it is definitely the problem.

You could try cartographer instead (or maybe hector slam). I'm about 85% sure I know what you mean (if you can, edit the

If you have the new lidar (in comparison to the old lidar), it doesn't seem to have the ability to set the frame_id. At

I ran into an issue with ros.h not being able to be found What was trying to find it? This sounds like a vscode iss

I'm guessing this is a hardware issue, based on the first error. They can be a pain to resolve. 1st question, does your

Yes, then I think that's your issue. It's basically not able to place your sensor data in your TF. However, instead of s

"ros.rosSetupScript": "/opt/ros/noetic/setup.bash", Since you're using melodic, change noetic to melodic. Also, v

Could this be the issue? # This file is generated from information provided by the datasource. Changes # to it will no

This file is generated from information provided by the datasource. Changes # to it will not persist across an instanc

I upvoted so you should be able to add an image of the TF tree. However, I will also immediately say: You've got way t

Do you have roscore running? You could also try and see if removing the default configuration of RViz will help. Press

What would happen if you use RewrittenYaml to write os.path.join(get_package_share_directory(package_name),'data_files',

What would happen if you use RewrittenYaml to write os.path.join(get_package_share_directory(package_name),'data_files',

Could you actually check that your imu and laserscan also use tb_1/imu_link and tb_1/base_scan respectively? RViz shoul

Could you actually check that your imu and laserscan also use tb_1/imu_link and tb_1/base_scan respectively?

Yes, you can! Nav2 has a tool called RewrittenYaml that does just that! I couldn't find an actual tutorial for Rewritten

Thank you for the edit!

Do you get a new error?

Yes, you'd need to connect the motors to an Arduino. The motors don't publish anything. You'd need encoders (and read th

Yes, you'd need to connect the motors to an Arduino. The motors don't publish anything. You'd need encoders (and read th

Comment on your question, could you not post the errors as images, but simply copy them and add them as code? The images

Could you check the time of your turtlebot for me? I'm wondering if there is a time difference, which is causing the pro

Comment on your question, could you not post the errors as images, but simply copy them and add them as code? The images

It's quite useful. Right now, I'm assuming you've written a piece of code that takes the cmd_vel and calculates the spee

Navigation only needs the odometry (which is the speed/rotation of the robot). It does not need the encoder ticks or the

Navigation needs nothing more than the odometry (which is the speed/rotation of the robot). It does not need the encoder

You need to add something that publishes the odometry. Odometry is telling navigation how much your robot has moved (or

If you add extra information, please update your question by pressing edit instead of adding it as an answer Somebody u

If you add extra information, please update your question by pressing edit instead of adding it as an answer Somebody

Have you looked at the teleop_twist_keyboard or the turtlebot teleop key nodes? Their getKey() functions seem to do what

ros_control has an open_loop parameter. That takes the cmd_vel messages and uses that to calculate the odometry (instead