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2017-09-07 23:37:05 -0600 edited question Deleting URDF model causes error

Deleting URDF model causes error Not sure if this is ROS or Gazebo related. The URDF contains the differential drive pl

2017-09-07 23:36:44 -0600 edited question Deleting URDF model causes error

Deleting URDF model causes error Not sure if this is ROS or Gazebo related. The URDF contains the differential drive pl

2017-09-07 23:35:44 -0600 asked a question Deleting URDF model causes error

Deleting URDF model causes error Not sure if this is ROS or Gazebo related. The URDF contains the differential drive pl

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2017-09-02 00:56:35 -0600 asked a question Is it possible to run automated tests from within Gazebo?

Is it possible to run automated tests from within Gazebo? Suppose I have a custom URDF robot and that I'm trying to find

2017-07-12 08:28:48 -0600 asked a question How does GZSDF handle the URDF transmission tags?

How does GZSDF handle the URDF transmission tags? Trying to understand how exactly the transmission tags are handled whe

2017-06-21 00:54:16 -0600 edited question Robot wheel moving in Gazebo but not in real life.

Robot wheel moving in Gazebo but not in real life. If I move my custom differential drive robot at a certain angle. In G

2017-06-21 00:01:32 -0600 asked a question Robot wheel moving in Gazebo but not in real life.

Robot wheel moving in Gazebo but not in real life. If I move my custom robot at a certain angle. In Gazebo the robot is

2017-05-27 04:53:58 -0600 edited question Caster wheels always face perpendicular to direction of movement

Caster wheels always face perpendicular to direction of movement Imported a simple differential drive with 2 motor contr

2017-05-27 04:52:36 -0600 edited question Caster wheels always face perpendicular to direction of movement

Caster wheels always face perpendicular to direction of movement Imported a simple differential drive with 2 motor contr

2017-05-27 04:52:19 -0600 edited question Caster wheels always face perpendicular to direction of movement

Caster wheels always face perpendicular to direction of movement Just imported a simple differential drive with 2 motor

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2017-05-27 04:51:40 -0600 edited question Caster wheels always face perpendicular to direction of movement

Caster wheels always face perpendicular to direction of movement Just imported a simple differential drive with 2 motor

2017-05-27 04:50:27 -0600 asked a question Caster wheels always face perpendicular to direction of movement

Caster wheels always face perpendicular to direction of movement Just imported a simple differential drive with 2 motor

2017-02-21 09:41:30 -0600 asked a question gazebo - issues with caster wheels and inertial values

just imported a simple differential drive with 2 motor controlled big wheels at the front and 2 small caster wheels in the rear.

Have found 2 issues which have me stumped.

1.) After increasing the weight of the motor, the robot slowly slides across the floor when still.

2.) The rear caster wheels always turn perpendicular to the direction of movement. When the robot stops moving the rear wheels turn to align with the front wheels.

below is the code for one of the caster wheels

<link name="rrw">
  <visual>
    <geometry>
      <cylinder length="0.03175" radius="0.0635"/>
    </geometry>
     <material name="black">
       <color rgba="0 0 0 1"/>
     </material>
  </visual>    
  <collision>
      <geometry>
        <cylinder length="0.03175" radius="0.0635"/>
      </geometry>
  </collision>

  <inertial>
    <mass value="1"/>
     <inertia ixx="5.1458e-5" iyy="5.1458e-5" izz="6.125e-5" ixy="0" ixz="0" iyz="0"/>
   </inertial>
</link>