Questions tagged [robotic-arm]
The arm tag is intended to be used for questions relating to robotic arms from, small hobby arms with only 1 or 2 degrees of freedom to large industrial robots with complex joint assemblies. For the ARM CPU, use the tag arm-cpu.
899 questions
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1 answer
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ur5 with Robotiq Gripper simulation question
I am an junior automation engineer that recently has been dedicated to learn ROS. My objective right now is to develop an application in ROS Noetic, using Moveit and Gazebo to simulate in real-time, ...
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Troubleshooting Reachability and Kinematics in MoveIt for Robotic Arm Targeting in ROS2
I am a student working on a ROS2 research project where I need to build a robotic arm that can reach a target point accurately. I have started using MoveIt but am facing challenges moving the arm as ...
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1 answer
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Moveit assistant
I have a general question regarding MoveIt. I have a robot with 2 revolute joints and 1 prismatic joint. I used MoveIt Assistant to create a MoveIt package by uploading my URDF. Then, I wrote a custom ...
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1 answer
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RX-1 robot arm oscillation - motor issue or mechanical frame problem? (STS3215 servos)
I'm working on an RX-1 humanoid robot with dual arms. All joints use STS3215 serial bus servos with a 1:345 gear ratio. The system is powered by 12V at 7A, and the structure is built with 3D printed ...
- 1
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1 answer
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6 DOF Robotic Arm Modified D-H Problem
I have a robotic arm RRRRPR structure. When I tried to fill up D-H table as a Modified D-H method, I encountered a problem at 2-3 and 4-5 joint point. I think I cannot reach a solution without placing ...
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1 answer
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Guidance needed as a new ROS user [closed]
A little introduction first, I am currently studying Robotics (M.Sc.). I don't have any experience using ROS but I have used electrical circuit designing softwares like Pspice, AutoCad Electrical, ...
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1 answer
49 views
Why use torque-controllable actuators instead of position-controlled ones in robot arms?
I’m designing a robot arm (possibly using a VLA model like OpenVLA). Two things confuse me: If an arm already has position control and encoders to confirm it reaches the commanded joint angles, why ...
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Dynamic Model of 4 degree of freedom spatial robot manipulator help
So I'm trying to develop a dynamic model of a 4 DOF spatial manipulator and design a controller for it. I created the manipulator in Simulink and I derived the Mass Matrix and Coriolis Matrix using ...
