devanshdhrafani / diff_drive_bot Goto Github PK
View Code? Open in Web Editor NEWROS package for implementing slam_gmapping and ROS navigation stack on a custom 2 Wheeled Differential Drive robot.
ROS package for implementing slam_gmapping and ROS navigation stack on a custom 2 Wheeled Differential Drive robot.
sudo apt install ros-melodic-turtlebot3-gazebo
sudo apt-get install ros-melodic-amcl
sudo apt install ros-melodic-move-base
Hi, I am new to ROS so this might be a small issue. I followed your instructions on running your code, but it sees like I am getting an error in odometry. I am getting the following error when I am launching the gmapping launch file and move the robot using teleop keyboard. I can only see the robot moving in RViz correctly but the map is not being generated.
Scan Matching Failed, using odometry. Likelihood=0 lp:-5.23433 3.03561 2.36259 op:-5.55515 3.41028 2.32294 Scan Matching Failed, using odometry. Likelihood=0 lp:-5.23433 3.03561 2.36259 op:-5.55515 3.41028 2.32294 Scan Matching Failed, using odometry. Likelihood=0 lp:-5.23433 3.03561 2.36259 op:-5.55515 3.41028 2.32294
For context I am using
Linux, Ubuntu 18.04 in VMware workstation
ROS version - Melodic
I got the following warnings when I launched gazebo
[ WARN] [1619782997.277450972, 0.001000000]: DiffDrive(ns = //): missing <rosDebugLevel> default is na [ INFO] [1619782997.278184061, 0.001000000]: DiffDrive(ns = //): <tf_prefix> = [ WARN] [1619782997.278362064, 0.001000000]: DiffDrive(ns = //): missing <publishWheelTF> default is false [ WARN] [1619782997.278543640, 0.001000000]: DiffDrive(ns = //): missing <publishOdomTF> default is true [ WARN] [1619782997.278720111, 0.001000000]: DiffDrive(ns = //): missing <publishWheelJointState> default is false [ WARN] [1619782997.278876191, 0.001000000]: DiffDrive(ns = //): missing <wheelAcceleration> default is 0 [ WARN] [1619782997.278982939, 0.001000000]: DiffDrive(ns = //): missing <wheelTorque> default is 5 [ WARN] [1619782997.279142032, 0.001000000]: DiffDrive(ns = //): missing <odometrySource> default is 1 [ WARN] [1619782997.279290997, 0.001000000]: GazeboRosDiffDrive Plugin (ns = ) missing <publishTf>, defaults to 1
and the following waring when I launched gmapping
[ WARN] [1619784434.386338514]: The root link chassis has an inertia specified in the URDF, but KDL does not support a root link with an inertia. As a workaround, you can add an extra dummy link to your URDF.
I did not get any warnings when I launched the teleop
I have made sure that I sourced the workspace before running the launch file.
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