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2023-04-25 00:53:28 -0500 | marked best answer | AMCL doesn't need a static map? Does AMCL work well without a static map? I applied nav stack to my own robot and it apparently works well. I think that MCL (not AMCL) requires a static map and AMCL doesn't need it? Thanks in advance. |
2021-12-28 19:33:43 -0500 | received badge | ● Good Question (source) |
2021-08-27 12:45:26 -0500 | marked best answer | How to rosmake ROS package which is in /opt/ros/***/stacks/ Could you tell me how to re-rosmake packages under /opt/ros/*/stacks/ ? I installed openni_kinect package. Finally, I did "rosmake openni_camera", however, I got an error. How do I solve it? |
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2019-08-08 09:26:03 -0500 | marked best answer | catkin_make's option for optimization I used Eigen library for my program and found that matrix calculation is very slow(Just "for loop" is faster !!). I think that optimization is not carried out when making the program. Thanks in advance. |
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2018-08-22 12:53:09 -0500 | marked best answer | Frame's definition (/odom and /map) Hi, I cannot understand the difference between the frame "/odom" and "/map". And one more thing. Thanks in advance. |
2018-04-09 11:02:42 -0500 | marked best answer | Navigation stack parameter tuning for high accurate localization Hi, everyone. I'm using nav stack and tuning parameters. (base_local_planner's parameters) max_vel_x: 0.50 max_vel_theta: 1.57 acc_lim_th: 1.57 (amcl's parameters) laser_z_hit: 0.99 odom_alpha1~alpha5: 0.2 move_base's frequency is set to 10[Hz].
How can I avoid the above problem ? Configuration Thanks in advance. |
2018-02-16 19:28:35 -0500 | marked best answer | Is "odom" frame in this wiki mean a world coordinate? Hello, I'm studying navigation stack. I usually refer to navigation stack's wiki and now I'm reading this page (http://www.ros.org/wiki/navigation/Tutorials/RobotSetup/Odom). In this page, there is some coordinate frame which is called "odom". I guess that this frame is equal to a world coordinate("/map" frame in rvis). Is my guess correct? Thanks in advance. |
2017-10-13 05:23:39 -0500 | marked best answer | Standard way to use ROS with Real-time OS Hi there, I'm trying to use ROS with hard real time system. I looked over web and I thought xenomai would work fine ... Also, I could find a solution like "sudo apt-get install linux-realtime". But apparently it doesn't work, because it's for Ubuntu 12.04 or older and I'm using Ubuntu 14.04 and ROS Indigo. Perhaps, some people might think that it's weird to use ROS with hard real time system. Thank you. |
2017-09-19 20:08:38 -0500 | marked best answer | On the second argument of ros::NodeHandle::serviceClient When do you use ros::NodeHandle::serviceClient with the second argument "persistent" set to "false" ? I think that when "persistent" is set to "true", ros service performs better(faster) because there is no disconnection and reconnection between server and client. So basically, I use ros service client with "persistent == true". However, this parameter's default value is "false". I wonder that "persistent == false" performs better in some cases. What kind of case is it ? Thanks in advance. |
2017-08-18 00:20:04 -0500 | received badge | ● Good Question (source) |
2017-08-17 18:17:01 -0500 | marked best answer | openni2_launch doesn't work with carmine 1.09 connected to USB3.0 Hi there, I have a trouble that openni2_launch doesn't work. I've already carried out firmware update for carmine 1.09, however it still doesn't work and I have the following errors. [ INFO] [1415845653.463960586]: Device "1d27/0609@1/12" with serial number "" connected How can I solve this problem ?
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2017-07-28 05:32:16 -0500 | received badge | ● Famous Question (source) |
2017-06-14 04:08:46 -0500 | marked best answer | how to catkin_make cuda code Hi, everyone. Code is as the following, very simple. Thanks in advance. |
2017-04-25 03:25:41 -0500 | marked best answer | How to broadcast a transform between /map and /odom Could you tell me how to broadcast a transform between map and odom? I'm trying to use a navigation stack. First, I made a node to publish a static transform between base_link and base_laser. Third, I need to publish a transform between map and odom ... If possible, could you tell me how to broadcast the transform Thanks in advance. |
2017-04-20 17:45:13 -0500 | marked best answer | With hydro, pcl can be installed alone ? Hi, everyone. I'd like to install pcl stand-alone. Since I've installed ros hydro through "desktop-full", However, pcl/gpu is not found and I cannot try kinfu. I'm afraid that I will have confliction between pcl installed stand-alone and pcl installed with ros. Thanks in advance. |