Gazebo Experts Needed for ros2_control Debugging

@Qupati

Hi! I can help you get this unstuck quickly I’m a mechatronics engineer with 5+ years in robotics and ROS, and I’ve worked hands-on with ROS 2 (Humble → Jazzy), Gazebo / gz-sim, ros2_control, diff-drive robots, and LiDAR setups. I’ve built and debugged exactly this kind of stack many times—URDF/Xacro + gz_ros2_control + controller_manager—so I know where these failures usually come from. I’m happy to jump on a live session and debug this with you tonight so you hit your deadline.

@josephm626

Dear Client, Good morning . How are you? I hope this proposal finds you well. I'M A CERTIFIED & EXPERIENCED EXPERT This is to inform you that I have KEENLY gone through your project description, CLEARLY understood all the project requirements as instructed in your project proposal and this is to let you know that I will perfectly deliver as desired. Being in possession of all stated required skills, (Robot Operating System (ROS), Debugging, Simulation, Gazebo and Technical Support), as this is my field of professional specialization having completed all certifications and developed adequate experience in the respective field, I hereby humbly request you to consider my bid for professional, quality and affordable services that meet all your requirements. I always guarantee timely delivery and unlimited revisions where necessary hence you are assured of utmost satisfaction when working with me. Please send me a message so that we can discuss more and seal the project. THANK-YOU & WELCOME.

@markupdudes

Hi, I see you're facing an urgent issue with ros2_control in ROS 2 Jazzy and Gazebo Harmonic, and I’d be glad to assist you in debugging this. With deep experience in ROS 2, Gazebo, and robot simulation, I’ve helped beginners resolve similar integration hiccups. I’ll carefully review your URDF/Xacro, YAML controller setup, and gz_ros2_control plugin configurations to pinpoint the root cause. Together, we'll get your joint_state_broadcaster and diff_drive_controller running, verify the controller_manager service, and ensure /cmd_vel and /scan topics function correctly — all explained in a clear, beginner-friendly way. I’m ready to start ASAP and can provide live support if you prefer. Please share your logs and configs, and we’ll resolve your robot driving issue promptly before your deadline tonight. Could you please share your current URDF and ros2_control YAML configuration files to start the diagnosis? Best regards,

@amitmaurya2707

Hi, I’d be happy to help you debug and fix your ROS 2 Jazzy + Gazebo (gz_sim) + ros2_control setup tonight(after 8 PM IST). I’ve worked extensively with: - ROS 2 (Humble → Jazzy) - Gazebo Harmonic / gz-sim - ros2_control, diff_drive_controller, joint_state_broadcaster - URDF/Xacro + controller YAML configuration - gz_ros2_control plugin integration From your description, the issue is very likely one of these: - Incorrect <ros2_control> block in URDF/Xacro - Mismatch between joint names in URDF vs controller YAML - Plugin not loading or failing during hardware interface initialization - Controller manager not spawning due to parameter or namespace issues I can help you: - Get controller_manager running - Load joint_state_broadcaster and diff_drive_controller correctly - Verify /cmd_vel → wheel movement - Confirm /scan + TF tree - Clean up your setup into a simple, beginner-friendly configuration - Explain what went wrong so you understand it going forward I’m comfortable working live (screen share or Discord) and reviewing: -URDF/Xacro -controller YAML -launch files -logs from ros2_control_node and Gazebo Since your deadline is tonight, I’m available in 3-4 hours and can start as soon as you share the files. Feel free to send your Discord and logs/configs and we’ll get your robot moving.

@Afshan2704

As a highly experienced ROS and ROS2 developer, I'm confident that I can guide you through your current roadblock in an effective and beginner-friendly manner. While I may not have explicit experience with Gazebo's Harmonic (gz-sim8), my extensive understanding of ros2_control and URDF/Xacro configuration coupled with my adaptable nature will enable me to rapidly bridge any gaps. With a B.E. in Robotics and Automation, my grasp on the dynamics of simulating, controlling, and debugging robots is apparent. Furthermore, I am well-versed in Python, HTML, CSS - skills that have proven essential for working with ROS frameworks. Having mastered the art of effective communication during my degree, I can simplify complex concepts for you and ensure a thorough understanding of the steps involved. I empathize with the urgency of your project, which is why efficient troubleshooting techniques are at the core of my methodology. Rest assured, I'll leverage my expertise to assess your current setup, verify ros2_control + Gazebo integration, validate /cmd_vel and /scan topics functionality and most importantly restore your controller_manager functionality by identifying any possible setup mistakes - all by your prescribed deadline tonight. Let's get your differential-drive robot back on track!