Use AMCL laser scan as odometry iput for next initialization.
I am currently working with a system where I can get a pose estimation out of my IMU and my GPS data. This would serve as one source of "base_link" to "odom_gps" source. I want to fuse the pose...
View ArticleAMCL warning: no laser scan received
Hello, i'm really new in ros, so here's my question: With AMCL how do i localize the robot? I got the following warning continually on amcl node: [ WARN] [1425574394.999492201]: No laser scan received...
View ArticleHow to load the map for multiple robot navigation?
I have followed the steps in answer for this [question](https://answers.ros.org/question/41433/multiple-robots-simulation-and-navigation/?answer=41434#post-id-41434) to setup multiple robot navigation....
View ArticleTurtlebot_navigation issue:local_map drifts after a long-distance movement.
I want to upload some pictures to show my problem, but I don't have enough points. Therefore, I can only explain it with my poor English. Sorry. I am using a turtlebot2 to do my experiments. It worked...
View ArticleRoomba 400 AMCL launch file error
Hello! I'm using room 400 with the create_autonomy driver. I set up the navigation stack, AMCL and so on, as described in the following launch file. I created a map and used with the map server, also...
View ArticleCostmap2DROS transform timeout
hi , i'm trying to use the navigation stack on my own robot , it's seems that on rviz the amcl can't locate the robot and i get this warning :  here...
View ArticleProblem when using move_base in my own robot model
Dear everyone, I am trying to implement navigation after gmapping and after looking at the API and other models liky husky I am finding some problems. i will write down a series of things that are...
View ArticleHelp, Incorrect planned path
Video: [link text](https://1drv.ms/v/s!AukiP6uHSpGK22YBiofYyDJMBUIL) base_local_planner.yaml > # 更新规划进程的频率，每秒多少次 controller_frequency: 2.0 #down from 10.0 recovery_behavior_enabled: false...
View ArticleHelp, Strange path planned
Recorded Video: [link text](https://1drv.ms/v/s!AukiP6uHSpGK22YBiofYyDJMBUIL) Equipment: Kinect v1.0 Simulated Laser Scan using pointcloud_to_laserscan, with paramters, target_frame: camera_link #...
View ArticleImplementation of ROS on hardware
Hey guys, I am new to entire UAV design and testing, I would really appreciate it if some of you could offer guidance. I want to implement a 2D localization (AMCL) on PX4. From what I understand, I've...
View Articlerobot_pose_ekf and AMCL
Hi! I have my own robot that works on odometry and lidar using **AMCL**. Everything works perfectly. After that, I decided to use **robot_pose_ekf** to improve data. I use the MPU6050 sensor and...
View ArticleHow to make robot localise itself its initial point with existing map
Hi there, I want to make my robot autonomously localise itself at the starting point (which could be anywhere in a room) then send some navigation goals for it to follow, then at the end i want my...
View ArticleFiducial based robot relocalization for AMCL
I want to use a transform from Fiducial marker to re-localize my odometry on AMCL . https://github.com/UbiquityRobotics/fiducials , i intend to use this . 1. The idea is to have a fixed fiducial on the...
View ArticleWhat is the position topic I should give move base when amcl is not used
I am using move base without amcl since I cannot use a predetermined map. The issue I am having is providing move_base with a position topic since from what I can tell, AMCL provides the robots...
View ArticleLocalisation in a dynamic environment
Hi, I’m trying to implement a Localisation strategy for my robot in a dynamic environment(Populated by three other robots), I noticed on this page: http://wiki.ros.org/amcl The kld_sampling_mcl is...
View ArticleHow to reduce particle deprivation in AMCL?
Hello, How do we tackle the particle deprivation problem in AMCL? I know this is a general problem when working with particle filters but is there any way to reduce this effect to increase the...
View ArticleWhy does AMCL post-date tf (~transform_tolerance)?
A [comment in the code](https://github.com/ros-planning/navigation/blob/jade-devel/amcl/src/amcl_node.cpp#L1249-L1278) says> // We want to send a transform that is good up until a // tolerance time...
View ArticleUnable to load map with AMCL
Dear All, It's a very basic sort of a problem. I am not able to load custom maps with AMCL. Maps were built using map_server. AMCL is playing funny here because it's working on some map and give error...
View ArticleLocalise simultaneously in previous and current map
How can we localise in a real time map (similar to SLAM) as well as in a previously created saved map? It is something like combining amcl and gmapping to work together(although they don't work...
View Articleamcl---Inaccurate positioning
when I use amcl package, the location is inaccurate. why? I guess: 1. the pose from odom-topic has high noise. 2. Parameter setting is problematic. amcl Parameter: ![image...
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