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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. -...

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Is 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...

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Is 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.

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Using 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...

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Local 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...

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Why 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...

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Local 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,...

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Difference 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...

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How 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...

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DWA 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...

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DWA 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...

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DWA 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...

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costmap 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...

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Dwa 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...

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Real 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...

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dwa_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...

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How 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...

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How 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...

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When 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?

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stuck 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...

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How 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...

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How 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...

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DWA 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...

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DWALocalPlanner 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...

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Mini-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...

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DWA 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...

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DWA 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...

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SBPL -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+)...

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How 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?...

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target_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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