Hokuyo laser - Turtlebot costmap updation error
Hello people, We have a turtlebot(kobuki base) and have connected Hokuyo laser to it following the instructions from these links. -...
View ArticleIs it normal behavior for local planners to ignore static obstacles if no...
I have tried the following local planners: 1. base_local_planner 2. dwa local planner 3. teb_local_planner and all of them are ignoring obstacles on a static map, The global planners on the other hand...
View ArticleIs it possible to replace the local planner in the default ROS Navigation...
I'm building a driverless car and the current problem is the TEB Local Planner. I was wondering if it is possible to replace with an RL agent, and whether this has been done before.
View ArticleUsing the Move_base package with only a local planner
Hi All, I'm currently designing a mobile robot that is required to follow an object within 2 meters. Currently, the mobile robot is able to identify the object, its distance from the object, and its...
View ArticleLocal path doesnt find a valid control
I m driving my robot between two goals. After several times running the robot is stuck on the goal and can not reach the goal i mean it can't rotate and in the real world there is no obstacle and when...
View ArticleWhy dwa planner can't reach the target rotation?
I've commanded the robot to go to the green arrow position/rotation, so it went there and started rotating CCW until it got near the upper wall, then it got stuck in that position. The question is why...
View ArticleLocal planner not correct
Hi, I am using the amcl module from the navigation stack, and the dwa_local_planner. As you can see on the picture below, the global planner seems to be correct while the local planner is not,...
View ArticleDifference between DWA local_planner and TEB local_planner
Hi there, I'm new in ROS nav_stack. Currently, I'm working on navigation of a mobile robot (vehicular robot) and I am searching the "best" local planner for our application. Currently, we are using TEB...
View ArticleHow to choose different robot footprint type for DWA_local_planner
Hi folks, I wanted to know how the [DWA_local_planner](http://wiki.ros.org/dwa_local_planner) computes (or chooses) the foorprint of the robot? is it a dot (or a circle based on the inflation added to...
View ArticleDWA planner failed to produce path.
Hi everybody, currently, I'm working on AMCL navigation (from Point A to Point B) and for this reason I'm using `DWAL_local_planner`. The `DWA_local_planner` works well but I'm facing an issue when I...
View ArticleDWA local planner fails to produce path
Hi everybody, As nobody answered to my last question, I re-ask this question cause I am completely blocked! currently, I'm working on 2D navigation with ROS `nav_stack` and for this reason I'm using...
View ArticleDWA Cannot control at reasonable rate (controller_frequency)
When I set my DWA controller_frequency in move base params above 7.0 Hz, I get the behavior below and the robot does not move. I see the default is 20Hz, Any thoughts on potential causes? I have...
View Articlecostmap parameters - navigation stack
Hello, for me it's unclear what parameters **have to/can** be in common_costmap_params.yaml, local_costmap_params.yaml and global_costmap_params.yaml This tutorial...
View ArticleDwa failed to produce path in free space
Hi, all. I found a bug for [dwa local planner](https://github.com/ros-planning/navigation/tree/indigo-devel/dwa_local_planner). When the goal is in the -x and -y direction with respect to robot's...
View ArticleReal Robot and Rviz path is not matching
Hi Good morning everyone!! I hope my question/query is not duplicated. If it is, I am really really sorry. I tried checking the answers similiar to my query but I couldn't find it. Any help would be...
View Articledwa_local_planner
Hello. The move_base don't create the shortest distance path. I need help. please advise me. My setting is below. My PC is Unbuntu 16.04 , Ros Kinetic. My robot is turtlebot3 waffle , I use turtlebot3...
View ArticleHow to stop robot if it encounters with dynamic object ?
Hi I want my robot just to stop if it encounters with a dynamic obstacle. Currently, I stop the robot with the laser sensor distance value (if any obstacle is in the range, then stop), but it is not an...
View ArticleHow does the DWA planner handle continuously updated goals?
Hello! I would appreciate some assistance since I am pretty new to ROS. I am running ROS indigo with ubuntu 14.04. I am continuously updating the goal position of my robot (arlo-bot). I am wondering...
View ArticleWhen optimizing the DWA local planner, is there a way to get the the total...
I am trying to automate the parameter selection for DWA, for this I need to have the cost function value, is there a way to obtain this?
View Articlestuck robot problem
Hi, I'm running navigation stack with a rosbot, my problem is that when my robot is close to the obstacles, it stops. This is normal, but the recovery behaviours doesn't start, this is not normal. If...
View ArticleHow to use the DWB local planner
Dear all, I was wondering if you can help me to find out how to use the [DWB_local_planner](https://github.com/locusrobotics/robot_navigation/tree/master/dwb_local_planner) in...
View ArticleHow to set min and max angular values in DWAPlannerROS?
I want to set min and max values that DWAPlannerROS can send to cmd_vel as these values were empirically measured for my robot. This is how I stated my yaml file: recovery_behavior_enabled: true...
View ArticleDWA local planner problem when an obstacle is detected on the goal
Dear all, I am facing a problem that I do not know how to fix it. I use the [move_base/global_planner](http://wiki.ros.org/global_planner) as the *global_planner* and the...
View ArticleDWALocalPlanner very small theta velocities
I am running DWALocalPlanner with these parameters: DWAPlannerROS: # Robot configuration parameters acc_lim_x: 0.8 acc_lim_y: 0 acc_lim_theta: 0.8 max_vel_x: 0.3 min_vel_x: 0 max_vel_y: 0 min_vel_y: 0...
View ArticleMini-Turty robot get stuck on corner when navigating
I created a map using a Rhoeby Dynamics Mini-Turty II robot and am using that to do navigation. It works most of the time, but sometimes it gets "stuck" on corners. As far as I can determine, it seems...
View ArticleDWA local planner parameters are never used
Hi, When trying to configure DWA local planner parameters, i've found that [parameters](http://wiki.ros.org/dwa_local_planner) **scaling_speed** and **max_scaling_factor** are never *really* used. Both...
View ArticleDWA planner parameters setting
I have a ROSbot (small robot from Husarion 30x30cm) used for navigation. I want to apply DWA planner but i can't get the parameters right. Can some people share parameter settings of de DWAplanner with...
View ArticleSBPL -can't find package
Hi, after installing all the packages connected with [Dwa_local_planner](https://github.com/ros-planning/navigation), including those: http://github.com/ros-planning/navigation_msgs (new in Jade+)...
View ArticleHow connect robot to DWA_local_planner
Hi! I have cloned dwa_local_planner algorithm from here: https://github.com/ros-planning/navigation.git. Can you tell me what do I need to do to connect it to my robot and world? How does it work?...
View Articletarget_frame map does not exist
HI, I have a problem with, in my opinion, read map through move_base node. When I launch my move_base.launch I got a WARN: [ WARN] [1559215881.016792500, 588.765000000]: Timed out waiting for transform...
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