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2019-10-31 14:33:30 -0500 | answered a question | how to create MoveIt package for robot arm with gripper? just create a new xacro file where you include the two urdfs, something like: <?xml version="1.0"?> <robot |
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2019-10-31 12:17:46 -0500 | edited question | segfault eigen RobotState ROS Kinetic + PCL Eigen version for ROS Kinetic + PCL 1.9.1 Hi, I'm working on a project with ROS Kinetic and PCL 1.9.1. I'm on ubuntu 16. |
2019-10-31 12:04:58 -0500 | commented question | segfault eigen RobotState ROS Kinetic + PCL Hi, thanks for the reply. It makes sense and I was expecting this kind of answer but I asked to be sure. I have updated |
2019-10-31 12:00:10 -0500 | edited question | segfault eigen RobotState ROS Kinetic + PCL Eigen version for ROS Kinetic + PCL 1.9.1 Hi, I'm working on a project with ROS Kinetic and PCL 1.9.1. I'm on ubuntu 16. |
2019-10-31 07:39:14 -0500 | asked a question | segfault eigen RobotState ROS Kinetic + PCL Eigen version for ROS Kinetic + PCL 1.9.1 Hi, I'm working on a project with ROS Kinetic and PCL 1.9.1. I'm on ubuntu 16. |
2019-08-26 19:05:55 -0500 | commented question | find all IK solutions ur10 moveit Hi jarvisschultz. I'm referring to the configurations elbow up/down, wrist up/down and shoulder left/right which lead to |
2019-08-26 13:05:56 -0500 | asked a question | find all IK solutions ur10 moveit find all IK solutions ur10 moveit Hi, I'm working at an university project with an UR10. I'm using mainly the Move Group |
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2017-02-26 16:00:04 -0500 | asked a question | OpenCV encoding problem depth image Hi, I'm facing some problems during the encoding of the depth image coming from a kinect sensor. The hardware is simulated on Vrep. The kinect is publishing a standard depth image and I have no problem at all if I try to visualize it on Rviz. It displays well showing a normal behavior. If I try to do the same thing using a python node and OpenCV I have the following result. As you can see the Depth Image does not show a grey-scale behavior but it has some horizontal lines! Here the python code. I have also tried with "passthrough" instead of 16UC1 but the result is the same. |
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2017-01-30 14:51:20 -0500 | commented question | Control YouBot Arm Problem Gripper The code on my pc is well formatted, I just edit my post above. I'm thinking that could be a problem related to the simulation program. |
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2017-01-29 14:53:46 -0500 | asked a question | Control YouBot Arm Problem Gripper Hi, I'm trying to control the arm of a Kuka YouBot. I have a problem with the gripper, i'm stuck with an error when i publish desiredGripPos. The error is the following: File "/home/alessio/kuka_ws/src/teleop_kuka/src/arm_teleop.py", line 139, in processJoints self.gripPub.publish(desiredGripPos) Instead i have no problem with the others joints. The python code works well because i can see the changing in the values but it does not publish this values to the gripper. Ubuntu 14 + ROS Indigo Here the code: (more) |
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2017-01-21 09:02:37 -0500 | commented answer | problem localization AMCL (only laser scanner) Thanks man, I edit the first post with few details about my solution. |
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2017-01-19 03:54:31 -0500 | commented answer | problem localization AMCL (only laser scanner) Yes, i'm using a static transformation between base_link and odom. The problem with laser_scan_matcher is that: according to the documentation it is not available for ros kinetic. How to install it? |
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2017-01-18 18:43:14 -0500 | asked a question | problem localization AMCL (only laser scanner) Hi, I'm quite confused about AMCL. Until now, i was able to create a map with hector_slam. Now i'm trying to use AMCL to localize my robot into this map. I want to specify that i'm using only a Hokuyo laser scanner, so without odometry. Is it necessary to implement also an IMU or to do other steps in order to get AMCL able to work? this is the situation after i set the 2d Pose Estimate http://tinypic.com/view.php?pic=2m5zb... If starting from that condition i move the robot, it will not localize itself. So i think that i'm missing something. Any hints? Is there a way to use the laser scanner data as odometry? I'm running everything on ROS kinetic ubuntu 16.04. The laser scanner is connected to a raspberry Pi3 and the computational stuff are done on a desktop pc with ROS_MASTER_URI. EDIT Finally i was able to build laser scan matcher from the source. I want to say thanks to the man here, his tutorial was very helpful to success (the last part for CSM). Talking about Laser Scan Matcher, according to these few hours of testing, the results are very very good. Two days ago I managed to use Hector_Slam to obtain the data from the laser scanner using "pub_map_odom_transform" but the results are not so good. I mean, it works but sometimes the robot gets lost. Here some hints So to conclude, using Laser Scanner Matcher is the best way to deal with laser scanner data for AMCL. |