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2022-08-24 23:42:12 -0500 | edited question | Could not find a package configuration file provided by "control_toolbox" Could not find a package configuration file provided by "control_toolbox" Hello, I am trying to install control_toolbox |
2022-08-18 02:47:54 -0500 | asked a question | Could not find a package configuration file provided by "control_toolbox" Could not find a package configuration file provided by "control_toolbox" Hello, I am trying to install control_toolbox |
2021-04-08 03:11:38 -0500 | commented answer | No JPEG data found in image Could you please explain how you changed format from mjped to yuyu? |
2020-12-28 21:06:21 -0500 | commented answer | externalcontrol URCap from ur_robot_driver cannot establish connection with host pc I am having exactly the same problem. Also, when I run nc 192.168.0.77 50002 (my host IP address is 192.168.0.77), I get |
2020-12-28 20:34:08 -0500 | commented answer | externalcontrol URCap from ur_robot_driver cannot establish connection with host pc I am having exactly the same problem. How did you ping from robot side? Did you use Touch Panel i.e. PolyScope ? Or Did |
2020-12-28 19:39:51 -0500 | commented answer | externalcontrol URCap from ur_robot_driver cannot establish connection with host pc I am having exactly the same problem. How did you ping from robot side? Did you use Touch Panel i.e. PolyScope ? |
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2019-09-18 10:59:07 -0500 | marked best answer | Frustrating Errors in Loading Motion Planning Library I am facing very unusual problems. I have been using ROS-Indigo under Ubuntu 14.04 on my Virtual Machine and ROS-Indgio under Ubuntu 14.04 on my laptop. Surprisingly, I am seeing totally different kinds of errors on all of these machines while I am using the same tutorials. Coming to the point, I am trying to run PR2 moveit tutorials given here. On my laptop, I am seeing the following error and the following error It is really very frustrating. So, I tried to run it on my virtual machine as well. Please help me, how can I handle this. I have been spending a lot of time on it and it is not working. |
2019-05-20 02:02:33 -0500 | marked best answer | "brics_actuator" for ROS Kinetic Hi, I am trying to use a package Youbot Simulation. The problem is that it asks me for I shall be very thankful to you if someone could give me some clue to help me resolve this. I am using ROS Kinetic. Thank You in advanced. =========== Edit 1 ============== After using this link, I got the following error, I believe that I have to enable C++11. Could you please tell me how did you do it? I think the error which I was receiving previously has been removed. |
2019-04-18 15:55:59 -0500 | marked best answer | Writing Robot Dynamics Based Control in ROS Please excuse me if my question is too basic. I have gone through ROS control package and moveit etc. But, I want to test my own controller. My question is simple. How can I do this? For example, I want to write my controller like and so I design my control law "tau" as Can anyone guide me for the steps I should take? I have modeled my robot in ROS using URDF etc. Now, I want to evaluate my own control law. I have been following book Learning ROS for robotics programming and Mastering ROS for robotics programming but I could not understand this. Your words will be highly appreciable. Thanks. |
2018-12-03 08:13:46 -0500 | answered a question | Has the turtlebot simulator been released for melodic version? I guess turtlebot3 simulation has been released for melodic. |
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2017-10-17 03:30:08 -0500 | marked best answer | Book: Mastering ROS for Robotics Programming, 2nd Edn; Chapter 2 - Working with 3D Robot Modeling in ROS Hi, I am facing a problem in running tutorials given in the book: Mastering ROS in Robotic Programming, Chapter 2. I am using Ubuntu 16.04 with ROS Kinetic. In particular, when I run my launch file as The following error occurs. I have checked the file again and again and there is nothing I changed. It is the tutorial files. I don't know why it is not running. Please, suggest any help. Thank you so much. |
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2017-10-05 11:15:26 -0500 | edited question | "brics_actuator" for ROS Kinetic "brics_actuator" for ROS Kinetic Hi, I am trying to use a package Youbot Simulation. The problem is that it asks me for |
2017-10-05 11:14:15 -0500 | commented answer | "brics_actuator" for ROS Kinetic I believe that I have to enable C++11. Could you please tell me how did you do it? I think the error which I was receivi |
2017-10-05 11:14:09 -0500 | edited question | "brics_actuator" for ROS Kinetic "brics_actuator" for ROS Kinetic Hi, I am trying to use a package Youbot Simulation. The problem is that it asks me for |
2017-10-05 09:21:56 -0500 | commented answer | "brics_actuator" for ROS Kinetic I have tried but it does not work. |
2017-10-04 10:41:03 -0500 | asked a question | "brics_actuator" for ROS Kinetic "brics_actuator" for ROS Kinetic Hi, I am trying to use a package Youbot Simulation. The problem is that it asks me for |
2017-09-27 10:40:07 -0500 | answered a question | Error when installing pr2-simulator You don't need to do that. Just go into your source file like cd ~/catkin_ws cd src in source file clone pr2 like t |
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2017-05-12 17:17:01 -0500 | marked best answer | cannot launch node of type interactive_marker_twist_server I am using ROS-Kinetic under Ubuntu 16.06. I am constantly seeing this error in my screen. I have gone through this Link and it shows this package is available for indigo and jade only. I tried but it does not work with Kinetic. I don't want to develop my expertise for indigo. Please, help. Thanks in advance |
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2017-04-20 14:14:38 -0500 | marked best answer | Book: Learning ROS for Robotics Programming 2nd Edn; Chapter 5 homography.cpp:16:39: fatal error: opencv2/nonfree/nonfree.hpp: No such file or directory Hello, I am studying the book for beginners to understand ROS. When I compile chapter 5 tutorials, I face this problem. To resolve this problem, I have already gone through the following method mentioned herelink text but in following that method, I got another error such as to resolve this problem, I followed the method mentioned here as and then make its backup and further change by adding these lines into the source.list file and then finally updating it with After going through this whole method, still I am seeing this error Please, help me in it, I have spent plenty of time in figuring it out and still my chapter5 tutorials are not being compiled. I shall buy cookies for you. :) After going through the method explained by Dear Jarvis Schultz, I followed this problem further and I am getting this message. @Jarvisschults. i.e. undo the changes I made in source.list and run the following. I guess it is worth mentioning that I am using Linux 15.04 under ROS Jade with graphic card NVIDIA GeForce GT630. I feel there might be some issue with it as I read it from this link in which the message is,
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2017-04-20 14:09:36 -0500 | marked best answer | Book: Learning ROS for Robotics Programming, 2nd Edn; Chapter 5 - USB Camera is not running I am using Ubuntu 15.04 and jade version of ROS. I am trying to use the usb camera by the method given in the book on page 187. My camera is already good and I checked it by the "cheese" method explained in there. Here is what I am doing here is what I am getting after doing this Can any please tell me, how can I solve this problem? After getting Stefan Kohlbrecher; I am going to add the steps I took. Thank you so much Stefan Kohlbrecher for your kind response. Here is what I followed from your prescribed solution from here and here and also from here. and here is what I got, I don't know why the code, commands and method shown in book is still not working. |
2017-04-20 14:02:31 -0500 | marked best answer | Book: Learning ROS for Robotics Programming, 2nd Edn; Chapter 4 example1 Not Working - dynamaximal driver not installed I thoroughly followed all the instructions given on chapter 4 of the book (Learning ROS for Robotics Programming 2nd edition) on Jade. That's the error I am seeing ![image description]. I have also followed all the instructions given in ROS tutorials ( http://wiki.ros.org/joy/Tutorials/Wri... ) but doing this giving me another type of error i.e. dynamaximal driver not installed. If possible please help me for any of it. I am using ubuntu 15.04 on Jade. Thanks in advance. |
2017-03-31 15:19:07 -0500 | marked best answer | Book: Mastering ROS for Robotics Programming, 2nd Edn; Chapter 3 - Simulating Robot using ROS & Gazebo I am facing many problems. I am trying to learn ROS from the book they have supported officially but unfortunately, I am facing problem. I tried to simulate the model given in Chapter 2 of the same book and faced problem which is already reported here. Now in the sequel, I am trying to learn Gazebo to simulate 7DOF robot given in that chapter given online but when I run it, I get this error. I am using Ubuntu 16.04 under ROS Kinetic. I have also tried to run under Virtual Machine for Ubuntu 14.04 and ROS Indigo and got this error. Edit 1: September 6, 2016
I followed these official tutorials (link) to thoroughly check the and I did see these packages available in installation So, I guess the necessary packages are still there. But still I tried to run as per your instructions to run this command. and simply got this (more) |
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2016-12-28 01:20:02 -0500 | commented question | Cannot see depth image - Kinect - Unable to convert '32FC1' image for display: 'cv_bridge.cvtColorForDisplay() No. Please let me know if you solve this problem. |