Hi guys , i am a beginner for ROS. i write a urdf robot and attach diff_drive and hokuyo_laser plugin on it , with configure and use slam_gmapping i can teleop my 'robot(urdf)' in gazebo and build map . but still can't navigation in gazebo , i don't know ho w to do it .
the question is ,when i spawn my model i see some warn ,i don't know.......
[ INFO] [1422432448.072115642, 0.023000000]: waitForService: Service [/gazebo/set_physics_properties] is now available.
[ INFO] [1422432448.133383656, 0.081000000]: Physics dynamic reconfigure ready.
[ INFO] [1422432497.779480058, 49.026000000]: Laser Plugin (robotNamespace = /), Info: Using the 'robotNamespace' param: '/'
[ INFO] [1422432497.779620674, 49.026000000]: Starting Laser Plugin (ns = /)!
[ INFO] [1422432497.847324932, 49.026000000]: Laser Plugin (ns = /) , set to ""
[ INFO] [1422432497.908139397, 49.026000000]: Starting plugin DiffDrive(ns = //)!
[ WARN] [1422432497.908227139, 49.026000000]: DiffDrive(ns = //): missing default is na
[ INFO] [1422432497.910157650, 49.026000000]: DiffDrive(ns = //): =
[ WARN] [1422432497.910608101, 49.026000000]: DiffDrive(ns = //): missing default is false
[ WARN] [1422432497.910649709, 49.026000000]: DiffDrive(ns = //): missing default is false
[ WARN] [1422432497.910940987, 49.026000000]: DiffDrive(ns = //): missing default is 0
[ WARN] [1422432497.910981351, 49.026000000]: DiffDrive(ns = //): missing default is 5
[ WARN] [1422432497.911654704, 49.026000000]: DiffDrive(ns = //): missing default is 1
[ WARN] [1422432497.912120315, 49.026000000]: GazeboRosDiffDrive Plugin (ns = ) missing , defaults to 1
[ INFO] [1422432497.925900930, 49.026000000]: DiffDrive(ns = //): Try to subscribe to cmd_vel!
[ INFO] [1422432497.932386235, 49.026000000]: DiffDrive(ns = //): Subscribe to cmd_vel!
[ INFO] [1422432497.933865558, 49.026000000]: DiffDrive(ns = //): Advertise odom on odom !
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