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Questions tagged [manipulation]

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End2End learning for robotics tasks such as grasping, manipulation

I am in RL but new to robotics. I am trying to know what the best to train an RL policy in an end2end fashion for grasping or manipulations tasks using images. I can think about three ways. Can ...
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MoveIt!2 Multiple Controllers for the Same Joints

Multi-arm question: I have a setup with a few Panda arms, and I have created a move group (+controllers) for each of the arms as well as a panda_multi_arm which is ...
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A manipulator with gripper for simulation

I am experimenting with high level manipulation tasks and wish to see the results in simulation. I would like to use Moveit for motion planning and observe the simulated results in Gazebo. I need some ...
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Path planning and object manipulation

I have a differential drive robot with a gripper, which is attached to it's front. The robot needs to collect objects on a plain map with some obstacles. I understand how to use move_base to create ...
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Object manipulation pipeline: how to motion plan with the hand, but grasp without it...?

Hi all, Tabletop Manipulation seems to be structured such that object_manipulator plans grasps by removing the table from the Planning Scene, or at least disabling collisions between the gripper links ...
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Object manipulator: how to lift upwards? (using different approach & lift directions for grasping)

Hi all, I'm using object_manipulator, as part of the Object Manipulation Pipeline, to approach an object, grasp it, and pick it up. I would like to approach from a horizontal/sideways direction (to ...
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Gripper Grasp Planner Cluster - gripper model changes during grasp testing

Hi all, I'm testing pr2_gripper_grasp_planner_cluster, which plans grasps on PointClouds as part of the Tabletop Manipulation pipeline. This node requires a configuration file, specifying a model of ...
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Which grasp planner to use, manipulation pipeline, non PR2 robot

(This question/answer thread was started via email) I am trying to implement the ROS Manipulation Pipeline (perception + grasping) on our own robot. So it's a non PR2, with non-PR2 gripper. Original ...
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Dual Turtlebot Arms

Does anyone have two of the Turtlebot arms installed on their Turtlebot? Is there any reason this wouldn't be possible/advisable? Thanks Andy Originally posted by andyroojp on ROS Answers with karma: ...
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How to do tabletop object manipulation for my own robot with ROS?

I have a robot arm of 7DOF. Now i want to use it to grasp tabletop objects like what pr2 does http://www.youtube.com/watch?v=eUpvbOxrbwY According to my understanding and the wonderful tutorials http:/...
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question about manipulation of gazebo gui

Hello, I have a simple question about the manipulation of gazebo gui: How could I make the view in the gazebo follow the model? Now the view seems to only focus on the center point of the simulated ...
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Problem with the reference frame of grasps in the household_objects_database

I'm using the manipulation stack in ROS electric, in a simulated environment in Gazebo. I have a simulated robot arm and hand, a simulated table and a coke can, and a simulated kinect. Object ...
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Attaching objects to the robot's body in diamondback

Hallo everybody, I followed this tutorial: Attaching objects to the robot's body I just wanted to attach a cylinder to the endeffector of my robot arm to avoid collisions between the environment and ...
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Has anyone used the Cyton Arm With ROS?

Has anybody used the Cyton Arm (http://www.robai.com/) with ros? I'm interested in things such as a URDF description, and anything required to get it working with OpenRAVE. I see that the servos in it ...
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Collisions not detected between attached object and environment?

Hi, I'm now facing a new issue in my implementation of the manipulation stack: the collisions between the object I just picked up (which is correctly attached to the hand) and the environment don't ...
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