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2023-07-21 07:04:49 -0500 received badge  Good Answer (source)
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2022-05-21 14:09:38 -0500 commented answer Understanding Pointcloud2 data

@petros ADLATUS This should really be a separate question, but the short answer is: it depends... REP-117 says it shoul

2022-05-21 14:09:04 -0500 commented answer Understanding Pointcloud2 data

@petros-adlatus This should really be a separate question, but the short answer is: it depends... REP-117 says it shoul

2022-03-13 15:49:24 -0500 commented question parameter passed to xacro not changing the default one

It shouldn't matter where the master is running. I see that your xacro file defaults to "other," and that is also the d

2022-03-12 21:29:26 -0500 edited question Timed out waiting for transform from robot1/base_footprint to map ... tf error: canTransform: target_frame map does not exist

Timed out waiting for transform from robot1/base_footprint to map ... tf error: canTransform: target_frame map does not

2022-03-11 18:29:56 -0500 commented answer parameter passed to xacro not changing the default one

He is using melodic. I don't understand the implication. Could you expand?

2022-03-11 18:29:36 -0500 answered a question parameter passed to xacro not changing the default one

He is using melodic. I don't understand the implication. Could you expand?

2022-03-11 18:29:36 -0500 received badge  Rapid Responder (source)
2022-03-11 10:01:41 -0500 commented question parameter passed to xacro not changing the default one

What command are you using to run setup.launch?

2022-03-11 10:01:31 -0500 commented question parameter passed to xacro not changing the default one

What command are you using run setup.launch?

2022-03-11 09:55:38 -0500 commented answer parameter passed to xacro not changing the default one

Command line arguments are supported (xacro wiki): Xacro currently supports most of the rospack commands that roslau

2022-03-10 08:40:01 -0500 commented question configuring DWA navigation correctly

That does sound like the source of the map->odom transform issue, and making it a separate question seems appropriate

2022-03-07 14:05:56 -0500 commented question configuring DWA navigation correctly

Yes, move_base should be the only node publishing to /cmd_vel. The alternating speeds may be a result of tuning, but it

2022-03-05 11:27:06 -0500 commented question configuring DWA navigation correctly

You now have your local planner parameters in the right namespace (DWAPlannerROS), where move_base can find them. The a

2022-03-04 19:06:50 -0500 commented question configuring DWA navigation correctly

In my_base_local_planner_params.yaml try changing the first line to DWAPlannerROS instead of TrajectoryPlannerROS.

2022-02-18 13:21:50 -0500 commented question Error with intializing controllers

Your arm transmission macro contains typos ("(" vs. "{"). It's worth going over your file carefully to make sure there

2022-02-17 11:56:33 -0500 commented question ROS can't read json file

I already configurated it properly Please provide your configuration file.

2022-02-16 19:17:30 -0500 commented answer Failure to load controllers

Are you running any other launch files?

2022-02-13 14:45:40 -0500 edited answer Failure to load controllers

The problem appears to be in your launch file based on the error: Could not find parameter robot_description on paramete

2022-02-13 14:43:09 -0500 answered a question Failure to load controllers

The problem appears to be in your launch file based on the error: Could not find parameter robot_description on paramete

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2022-02-03 22:44:28 -0500 commented question AMCL not publishing map->odom

What is publishing the map -> base_footprint transform? Also, is something publishing odometry data? AMCL requires o

2022-02-03 22:40:21 -0500 commented question AMCL not publishing map->odom

What is publishing the map -> base_footprint transform? Also, is something publishing odometry data?

2022-02-03 11:18:19 -0500 received badge  Nice Answer (source)
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2022-02-02 22:02:45 -0500 answered a question Seeking clarity regarding frame of reference in which robot velocities are provided

From what you describe, the short answer is that your Twist message is probably applied in the "'instantaneous' body fra

2022-01-31 20:08:57 -0500 commented question How the lua configuration file should be set in cartographer ros?

Sorry for taking so long to reply. That does sound odd, and I have not had that happen. Can you post the picture of yo

2022-01-31 20:00:11 -0500 commented question Turtlebot3 LiDAR laser_filter package error "Reason: new node registered with same name"

The launch files, indeed, look fine. This may have been implicit in your reply, but are you starting a fresh session ea

2022-01-31 19:59:51 -0500 commented question Turtlebot3 LiDAR laser_filter package error "Reason: new node registered with same name"

The launch files, indeed, look fine. This may have been implicit in your answer, but are you starting a fresh session e

2022-01-29 14:55:52 -0500 commented question Turtlebot3 LiDAR laser_filter package error "Reason: new node registered with same name"

robot_state_publisher is the name of the duplicate node--not topic. Your included launch file (turtlebaot3_remote.launc

2022-01-29 14:45:07 -0500 edited question Turtlebot3 LiDAR laser_filter package error "Reason: new node registered with same name"

Turtlebot3 LiDAR laser_filter package error "Reason: new node registered with same name" i'm trying to use a laser_filt

2022-01-25 09:21:36 -0500 commented question How the lua configuration file should be set in cartographer ros?

Have you read the cartographer_ros documentation? As mentioned there: If you can’t get Cartographer to work reliabl

2021-12-16 16:46:24 -0500 commented answer Dynamic reconfigure vs Rosparam get.

Yes, one node (with the server) is configured, but any node with a client will receive notice of the changes. Perhaps "

2021-11-01 13:39:55 -0500 commented question difference in the out of /rtabmap/localization_pose AND tf_echo base_link map

Does localization_pose match the /map -> /odom transform?

2021-11-01 12:47:01 -0500 commented question difference in the out of /rtabmap/localization_pose AND tf_echo base_link map

I'm not very familiar with rtabmap, but looking at your timestamps, it seems the outputs are about 90 seconds apart. A

2021-10-29 14:11:34 -0500 commented question Can we disable the local planner from move_base ?

Why do you say the local planner will affect the global planner's performance? I don't see a need to disable the local

2021-10-14 09:35:01 -0500 answered a question How to use Quaternion from IMU to get the transformation to inertial reference frame?

Have you looked through the tf2 tutorials? I highly recommend them. Specifically, Writing a tf2 listener (C++) and Usi

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2021-10-14 08:53:37 -0500 answered a question rospy.Time.now() sometimes returns 0.

prevTime may sometimes initialize before the first /clock message, so it defaults to 0. If you use a non-deterministic

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2021-10-14 08:29:00 -0500 commented question rospy.Time.now() sometimes returns 0.

Are you using simulated time?

2021-10-11 13:54:26 -0500 commented answer No world frame in tf tree

I'm glad it's working! static_transform_publisher can take the transform as 6 numbers (x y z yaw pitch roll) or 7 numbe

2021-10-11 12:48:45 -0500 commented answer No world frame in tf tree

They appear unrelated to the static_transform_publisher nodes as the warnings reference gazebo and base_footprint transf

2021-10-11 12:48:29 -0500 commented answer No world frame in tf tree

They appear unrelated to the static_transform_publisher nodes as the warnings reference gazebo and base_footprint transf

2021-10-11 10:41:10 -0500 edited answer No world frame in tf tree

You can publish a static transform for each robot relative to an arbitrary world frame like so: rosrun tf2_ros static_t

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2021-10-11 10:39:48 -0500 answered a question No world frame in tf tree

You can publish a static transform for each relative to an arbitrary world frame like so: rosrun tf2_ros static_transfo