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Questions tagged [obstacle-avoidance]

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Failing to map PointCloud2 topic to octomap_server cloud_in

I have an Ouster sensor which I am attempting to use to incrementally build an OctoMap of an indoor environment. PointCloud2 data is successfully published on the /ouster/points topic and can be ...
D.Batchelder's user avatar
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I am building a path planning and obstacle avoidance bot using ros, lidar, etc . Can someone please provide a python program to implement?

I am building a robot to perform path planning using djikstra algorithm and obstacle avoidance using gaussian potential field. The robot uses raspberry Pi 4 with ubuntu 20.04 os containing gazebo, ros ...
Mark28's user avatar
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Which coordinate system should be used for local planning, odom or map?

I am designing a local planning system, and based on the suggestions provided on the ROS Wiki, it seems that the real-time reliability of the odom coordinate system is higher. Therefore, I have chosen ...
Heho's user avatar
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ACADO Toolkit MPC based robot controller weird behaviour around obstacles

I have been strugling with this issue for a long time now, any help would be appreciated. So, I have a robot simulation running in Gazebo. I have implemented a robot controller that follows a direct ...
Krzo's user avatar
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2 answers
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Where is the preffered position to put a simple control loop in a ROS2 Node (C++) for obstacle avoidance

I am working on a turtlebot simulation with ROS2, and I would like the robot to stop when it hits a wall. Where is the proper place to implement simple logic (for example, if distance < 10 then ...
p1unge's user avatar
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1 answer
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How to disable obstacle avoidance on DWA Planner?

I am using DWA Planner on ROS Noetic for my navigation. It works perfectly. However, I want to change it's behavior. Instead of avoiding an obstacle, I want my robot to wait until the obstacle gets ...
MarkCuck334's user avatar
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1 answer
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Nav2 obstacle avoidance not working in Humble

I am having problems with Nav2 in my mobile robot and hope someone can help me. I set up my robot for simulation, created the map with the SLAM toolbox and configured Nav2 for navigation, however if I ...
Diego Carvajal's user avatar
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1 answer
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Local costmap obstacle drift artifacts

I am trying to set up a differential drive mobile robot for SLAM and navigation. I am using: ros-noetic slam_toolbox navigation_stack gazebo + lidar plugin The ...
Sopterean Calin's user avatar
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1 answer
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How to set the rollouts from the Autoware op_local_planner package only on the driveable area (Vectormap)

Hey everyone, EDIT: seems like i don't have enough karma points to upload an image please check also here: link text I' am currently implementing an obstacle avoidance scenario in CARLA. Required ...
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Navigation 2: dealing with bumper obstacles

I'm trying to add a bumper to my robot and I implemented the following solution based on Kobuki bumper2pc: I have left and right bumpers on my robot which emit custom ...
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1 answer
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Disable obstacle avoidance

Hello everyone, I am building a robot that will be navigating indoors. But the place that it is designed to navigate in is supposed to have a lot of people. I don't want the robot to avoid obstacles, ...
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1 answer
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Dwb local planner or standard navigation stack?

According to the D. Lu's github page and his video conference, Dwb local planner seems to be a good alternative to the standard navigation implementation. Yet I wonder if anyone has tried it and if it ...
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Implement obstacle avoidance methods and local navigation (move_base)

Hello, I would like to implement obstacle avoidance methods in Turtlebot2 (Velocity obstacles, VFH+. APF,...). And I do not know if I have to use pluginlib and do as D. Lu did. That is, implement the ...
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1 answer
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rtabmap localization issue

Hi, I am facing one issue during localization in rtabmap. When there is an dynamic obstacle in front of the robot an even during the navigation time map data gets some times disappears on rviz and the ...
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1 answer
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Use different LaserScan source for obstacle avoidance

Is it possible to use different LaserScan source for obstacle avoidance? In my robot model I have several laser scanners installed and want to use one for navigation and the other one (possible more ...
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1 answer
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Checking whether a particular position in the map has any obstacle

How to check whether a particular position in the map has any obstacle. I want to check if at any particular location (x,y) the corresponding cell has any obstacle or not. How to do that using costmap ...
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1 answer
27 views

Disable obstacle avoidance

Hello everyone, I'm currently building a robot that will navigate in a building. It will have odometry for localization and IR range sensor (with data send as LaserScan) for obstacle detection. ...
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1 answer
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Obstacle insertion in map

I have a sensor to detect obstacles that are not visible. I want my robot to avoid them because they are dangerous despite not being visible. I have a path planning working with my laser sensor. So, I ...
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1 answer
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What are the available obstacle avoidance algorithms in ROS?

Hello What are obstacle avoidance algorithms which available in ROS to implement unmanned ground vehicle (UGV)? Hiba... Originally posted by hiba on ROS Answers with karma: 3 on 2014-11-10 Post score:...
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1 answer
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Navigation - combine static_map with dynamic obstacle detection?

Hi guys, another pretty short question. For the local planner I'd like to combine a static_map (a pgm file) with obstacle data ...
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1 answer
13 views

Obstacle avoidance using a monocular camera

I would like to know if there is a ROS package for (unknown) obstacle avoidance using a monocular camera. Thanks in advance. Originally posted by alfa_80 on ROS Answers with karma: 1053 on 2014-05-16 ...
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1 answer
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How to get started with an obstacle avoidance robot using sharp IR sensors?

I want to design an obstacle avoiding robot using IR sensors and arduibo, can anyone guide me how to get started with programming in ROS? I have already completed my work with rosserial-arduino. I ...
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1 answer
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Voxel maps not working with Turtlebot2 bumpers (Updated)

Hello, I have a Turtlebot 2 (Kobuki + Kinect) that I'm working on a navigation system for. I am currently having a problem with getting move_base to behave safely in the event of a collision. For ...
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1 answer
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Turtlebot navigation stack "occdist_scale"

This is with reference to the tutorial "Setup the Navigation Stack for TurtleBot" http://www.ros.org/wiki/turtlebot_navigation/Tutorials/Setup%20the%20Navigation%20Stack%20for%20TurtleBot In ...
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1 answer
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Arduino with navigation stack

Is it possible to launch the robot_configuration.launch file with arduino for the Navigation Stack usage? If yes, how? Rosserial_arduino? My arduino is used for all the UAV controls. I am unsure of ...
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1 answer
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Local path planning with Kinect

Hello, I am relatively new to ROS and I am confused a bit from the documentation. I have a robot and I want to enable it to do some local path planning (only - no global path planning - no navigation -...
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