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@mirakim It would be helpful to see your YAML file with local planner configuration. You can read more about parameters here: https://wiki.ros.org/base_local_planner?distro=melodic If you are using T …

You can certainly combine maps using Bayes methods if they are transformed into OccupancyGrid maps, here is an example package: https://github.com/Nightbot1448/TBMMapMerging and a paper "Occupancy …

I believe you described your problem of how to minimize the discrepancy between the real robot's actual positioning on the map and its simulated version in the simulation (or in general, how to accou …

Perfect odometry with zero slip would yield no difference between odometry and map coordinates, provided odometry was initialized to be correct with the map when the robot was started. When robot com …

You can try to modify these values in the turtlebot3_simulations header turtlebot3_drive.h: https://github.com/ROBOTIS-GIT/turtlebot3_simulations/blob/ac7298dfa215d3f05580520d6a938c3dabb53bad/turtleb …

In ROS, killing a node is as follows rosnode kill node_name What the rosnode kill does is send a SIGINT to the NodeHandle, and what the node should do is deconstruct its classes and free the NodeHan …

There is a package rviz_visual_tools which implements a field of view in RViz: https://github.com/RoboticsYY/rviz_visual_tools https://github.com/ros-planning/moveit/issues/1070#issuecomment-514142 …

By this question and its replies there: https://answers.ros.org/question/300789/denavit-hartenberg-dh-to-urdfsdf-or-tf-tf2/ I assume no standard DH for this forward kinematic, but it's not so sure. Y …

Ad 1) I didn't find this type of function in the code. You can call map_server every time you need it in another subscribed node, save it in that node, and then publish it at a frequency of your choi …

As per ROS REP 103: Standard Units of measure and Coordinate Conventions, units in Gazebo should be specified in meters and kilograms. (...) https://www.ros.org/reps/rep-0103.html It seems to depend …

You can use Environment Variables for this: http://wiki.ros.org/husky_bringup/Tutorials/Customize%20Husky%20Configuration HUSKY_LMS1XX_ENABLED false Enable/disable the SICK LMS1XX LIDAR ==== …

I will first describe what I understood - please correct me if I am wrong. You have a controlled manipulator (so you have a source for its state) and a RGB-D camera info (so a second source of messa …

Your linked repository seems to have a ros2 branch there: https://github.com/FieldRobotEvent/virtual_maize_field/tree/ros2 Did you try it? The code seems to be mostly non-ROS specific to be honest, i …

Shouldn't it be rather print("list: ", msg.data) in your callback? Check ROS documentation there for correct form of ROS1 subscriber. The array poses can be acquired as the field of msg.data. Origin …

This site could be your first step. There is this book where you could find more overall info too. Originally posted by ljaniec with karma: 3064 on 2021-11-23 This answer was ACCEPTED on the origina …