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Questions tagged [pathplanning]

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How to apply a path planning algorithm in UWSim

Anyone knows about how to develop your code on the platform of UWSim?I want to test my path planning algorithm in UWSim,like planning a pratical path from a start point to a goal position with ...
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Writing a planner plugin for ROS2 using Python

I found this tutorial, which shows how to create a new planner plugin for ROS2 using C++. However, I was wondering if there are any resources on how to achieve the same goal using Python? I am aware ...
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Question related to PoseArray and it's implementation

Hello, I need to implement Dijkstra's algorithm on a Map I have. Coding part of my problem is done, however I am having trouble saving the path in a geometry_msgs/PoseArray. Let's say I have an array(...
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What is a good way of storing robot paths and access them?

Hi guys I am writing a controller for a 6DOF robot arm. I am generating paths for the robot to come from the starting point to a desired pose. To do this I do a piecewise polynomial interpolation. ...
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Local path planner (dwa) has strange behavior

Hi there! I am trying to let a robot with omni-directional drive (ridgeback) follow a global path generated with global_planner::GlobalPlanner from navigation package. I am using the ridgeback_gazebo ...
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Path planning for hector_slam

Hello, i'm using view_hectorSlam.launch file for visualization and i just want to add path planning feature to this launch file. I only use rplidar connected to ttyUSB0 on Ubuntu 16.04 with ros-...
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Implementation of gloabal path planner for turtlebot

I have been going through this tutorial to use my own implementation of A star as the global planner. However, I want to go one step further. I have use gmapping to obtain a .pgm file of the map I ...
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Moving turtlebot with own implementation of Astar

Hi, I have managed to use turtlebot3 (gazebo and Rviz) to create a map and use its data to implement an Astar algorithm(in python).The result is the series of (x,y) coordinates to which robot should ...
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Path Planning in ROS

Hi, I am currently working on a project that involves 2 external stereo cameras and a Parrot AR drone. I wish to 3D map (in progress) and then plan a path, avoiding static obstacles, for the Parrot AR ...
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What global planners come with a ROS Indigo installation?

I am looking into writing simple global planners for a turtlebot 2. I have looked up other questions and seen that switching out global planners is as easy as changing the value of a parameter in the ...
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Path planning with adaptive Monte Carlo Localization ( AMCL )

Hi The localisation for my mobile robot works with the AMCL package. Apparently you can also implement path planning with this package. But I don't find anything about this, how does this work? This ...
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Confusion about navigation and navigation experimental

Hi together, I am pretty new to pathplanning and navigation in general and especially with ROS. So for now my goal is to use the SBPL_Lattice_Planner as global planner and another planner as local ...
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adding A* path planning algorithm as plugin

Hi all, I am using ROS indigo.i am using gmapping to obtain the map.i wrote my A* path planning algorithm in python.someone please help me to integrate this.when i searched link text.But it is written ...
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Draw a path for a robot to follow

I am trying to get a omni-directional robot to follow a user input path. My first idea was to override the global path planner. After reading about it for a few days I think that it might work but it ...
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Interact with Rviz, send multiple goals to path planner

Hi all, I want to send multiple goals to path planner (move_base) using Rviz. I mean, normally the 2D Nav Goal button is used to send an unique goal to the planner. My question is if is possible to ...
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global path effect on local planning

hi everyone I am interseted in pathplanning and i try to build my robot. As i understood, we can use navfn package for global pathplanning which means a path from the current robot state to the goal ...
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Robot (Obstacle Avoidance and Path Planning) problem?

Hello, I have a non holonomic robot, "Seekur Jr." I set up the navigation stack, and I am using TrajectoryPlannerROS as a base local planner, with DWA set to true. The path planning works ...
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What planners are available in Moveit?

Hi, all, I want to implement a new global path planner for turtlebots with RRTstar or TRRT which are available in OMPL. I have checked Moveit and didn't find .cpp/.h files or infterfaces to RRTstar/ ...
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Hi, I want to implement path planning algorithm(A star) on turtle-bot

Hi, I want to implement path planning algorithm(A star) on turtle-bot. Is it possible to do along with amcl demo. How can i read the obstacles in the map? And how the cost of some position in the map ...
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Can movebase be used for ackermann steered robots!? and what could the error: Failed to find a valid control. mean?

I use the map server, a global and local plan is created and I also get cmd_vel outputs. This is a geometry_msgs/Twist output with a value linear.x for the speed and angular.z for the speed around the ...
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Smooth motion between waypoints in ROS navigation

Hello all, I have an application where I am using the turtlebot simulator with move_base for some navigation related tasks. So generally, if a goal is specified, I am assuming the nav stack comes up ...
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