utility_cart_model_with_mass.sdf

<?xml version="1.0" ?>
<sdf version="1.4">
  <model name="car">
    <link name="chassis">
      <pose>0 0 0.3 0 0 0</pose>
      <inertial>
        <!-- subtracted wheel weights from dry weight of 771 kg -->
        <!-- http://www.polaris.com/en-us/ranger-utv/side-by-sides/ranger-ev/specifications -->
        <mass>720.0</mass>
        <inertia>
          <ixx>140</ixx>
          <ixy>0.0</ixy><iyy>550</iyy>
          <ixz>0.0</ixz><iyz>0.0</iyz><izz>550</izz>
        </inertia>
        <!-- chassis c.o.g. near lateral/longitudinal center, height of 0.4 m -->
        <pose>0.1 0 0.4  0 0 0</pose>
      </inertial>
      <collision name="collision">
        <geometry>
          <box><size>2.0 1.0 0.2</size></box>
        </geometry>
      </collision>
      <visual name="visual">
        <geometry>
          <box><size>2.0 1.0 0.2</size></box>
        </geometry>
        <material>
          <script>
            <uri>file://media/materials/scripts/gazebo.material</uri>
            <name>Gazebo/Green</name>
          </script>
        </material>
      </visual>
    </link>
    <link name="front_left_wheel">
      <pose>0.8 0.6 0.3 0 1.5707 1.5707</pose>
      <collision name="collision">
        <geometry>
          <cylinder><radius>0.3</radius><length>0.1</length></cylinder>
        </geometry>
      </collision>
      <visual name="visual">
        <geometry>
          <cylinder><radius>0.3</radius><length>0.1</length></cylinder>
        </geometry>
        <material>
          <script>
            <uri>file://media/materials/scripts/gazebo.material</uri>
            <name>Gazebo/Black</name>
          </script>
        </material>
      </visual>
    </link>
    <link name="front_right_wheel">
      <pose>0.8 -0.6 0.3 0 1.5707 1.5707</pose>
      <collision name="collision">
        <geometry>
          <cylinder><radius>0.3</radius><length>0.1</length></cylinder>
        </geometry>
      </collision>
      <visual name="visual">
        <geometry>
          <cylinder><radius>0.3</radius><length>0.1</length></cylinder>
        </geometry>
        <material>
          <script>
            <uri>file://media/materials/scripts/gazebo.material</uri>
            <name>Gazebo/Black</name>
        </script>
      </material>
      </visual>
    </link>
    <link name="back_right_wheel">
      <pose>-0.8 -0.6 0.3 0 1.5707 1.5707</pose>
      <collision name="collision">
        <geometry>
          <cylinder><radius>0.3</radius><length>0.1</length></cylinder>
        </geometry>
      </collision>
      <visual name="visual">
        <geometry>
          <cylinder><radius>0.3</radius><length>0.1</length></cylinder>
        </geometry>
        <material>
          <script>
            <uri>file://media/materials/scripts/gazebo.material</uri>
            <name>Gazebo/Black</name>
        </script>
      </material>
      </visual>
    </link>
    <link name="back_left_wheel">
      <pose>-0.8 0.6 0.3 0 1.5707 1.5707</pose>
      <collision name="collision">
        <geometry>
          <cylinder><radius>0.3</radius><length>0.1</length></cylinder>
        </geometry>
      </collision>
      <visual name="visual">
        <geometry>
          <cylinder><radius>0.3</radius><length>0.1</length></cylinder>
        </geometry>
        <material>
          <script>
            <uri>file://media/materials/scripts/gazebo.material</uri>
            <name>Gazebo/Black</name>
        </script>
      </material>
      </visual>
    </link>
    <link name="gas_pedal">
      <pose>0.3 0.1 0.5 0 0 0</pose>
      <collision name="collision">
        <geometry>
          <box><size>0.1 0.1 0.1</size></box>
        </geometry>
      </collision>
      <visual name="visual">
        <geometry>
          <box><size>0.1 0.1 0.1</size></box>
        </geometry>
        <material>
          <script>
            <uri>file://media/materials/scripts/gazebo.material</uri>
            <name>Gazebo/Red</name>
          </script>
        </material>
      </visual>
    </link>
    <link name="brake_pedal">
      <pose>0.3 0.25 0.5 0 0 0</pose>
      <collision name="collision">
        <geometry>
          <box><size>0.1 0.1 0.1</size></box>
        </geometry>
      </collision>
      <visual name="visual">
        <geometry>
          <box><size>0.1 0.1 0.1</size></box>
        </geometry>
        <material>
          <script>
            <uri>file://media/materials/scripts/gazebo.material</uri>
            <name>Gazebo/Blue</name>
          </script>
        </material>
      </visual>
    </link>
    <link name="steering_wheel">
      <pose>0.3 0.2 1.0 0 1.5707 0</pose>
      <collision name="collision">
        <geometry>
          <cylinder><radius>0.1</radius><length>0.01</length></cylinder>
        </geometry>
      </collision>
      <visual name="visual">
        <geometry>
          <cylinder><radius>0.1</radius><length>0.01</length></cylinder>
        </geometry>
        <material>
          <script>
            <uri>file://media/materials/scripts/gazebo.material</uri>
            <name>Gazebo/Blue</name>
          </script>
        </material>
      </visual>
    </link>
    <joint type="prismatic" name="gas_joint">
      <parent>chassis</parent>
      <child>gas_pedal</child>
      <axis>
        <xyz>1 0 0</xyz>
        <limit><lower>0</lower><upper>0.2</upper></limit>
      </axis>
    </joint>
    <joint type="prismatic" name="brake_joint">
      <parent>chassis</parent>
      <child>brake_pedal</child>
      <axis>
        <xyz>1 0 0</xyz>
        <limit><lower>0</lower><upper>0.2</upper></limit>
      </axis>
    </joint>
    <joint type="revolute" name="steering_joint">
      <parent>chassis</parent>
      <child>steering_wheel</child>
      <axis>
        <xyz>1 0 0</xyz>
        <limit><lower>-7.853</lower><upper>7.853</upper></limit>
      </axis>
    </joint>
    <joint type="revolute2" name="front_left_joint">
      <parent>chassis</parent>
      <child>front_left_wheel</child>
      <axis>
        <xyz>0 0 1</xyz>
        <limit>
          <lower>0</lower>
          <upper>0</upper>
        </limit>
      </axis>
      <axis2>
        <xyz>0 1 0</xyz>
      </axis2>
      <physics>
        <ode>
          <limit><cfm>0.0</cfm><erp>0.9</erp></limit>
        </ode>
      </physics>
    </joint>
    <joint type="revolute2" name="front_right_joint">
      <parent>chassis</parent>
      <child>front_right_wheel</child>
      <axis><xyz>0 0 1</xyz>
        <limit><lower>0</lower><upper>0</upper></limit>
      </axis>
      <axis2>
        <xyz>0 1 0</xyz>
      </axis2>
      <physics>
        <ode>
          <limit><cfm>0.0</cfm><erp>0.9</erp></limit>
        </ode>
      </physics>
    </joint>
    <joint type="revolute2" name="back_right_joint">
      <parent>chassis</parent>
      <child>back_right_wheel</child>
      <axis><xyz>0 0 1</xyz>
        <limit><lower>0</lower><upper>0</upper></limit>
      </axis>
      <axis2>
        <xyz>0 1 0</xyz>
      </axis2>
      <physics>
        <ode>
          <limit><cfm>0.0</cfm><erp>0.9</erp></limit>
        </ode>
      </physics>
    </joint>
    <joint type="revolute2" name="back_left_joint">
      <parent>chassis</parent>
      <child>back_left_wheel</child>
      <axis><xyz>0 0 1</xyz>
        <limit><lower>0</lower><upper>0</upper></limit>
      </axis>
      <axis2>
        <xyz>0 1 0</xyz>
      </axis2>
      <physics>
        <ode>
          <limit><cfm>0.0</cfm><erp>0.9</erp></limit>
        </ode>
      </physics>
    </joint>

    <plugin filename="libVehiclePlugin.so" name="vehicle">
      <!-- Joints for each wheel -->
      <front_left>front_left_joint</front_left>
      <front_right>front_right_joint</front_right>
      <back_left>back_left_joint</back_left>
      <back_right>back_right_joint</back_right>
      <!-- Joint which controls the gas -->
      <gas>gas_joint</gas>
      <!-- Joint which controls the gas -->
      <brake>brake_joint</brake>
      <!-- Joint which controls the steering -->
      <steering>steering_joint</steering>
      <!-- Power is multiplied by "gas" to determine force applied to wheels -->
      <front_power>10</front_power>
      <rear_power>10</rear_power>
      <!-- The angle range the front tires can turn for steering, in radians -->
      <tire_angle_range>0.5</tire_angle_range>
      <!-- Maximum speed for the car in meters/second -->
      <max_speed>10</max_speed>
      <!-- Factor for the down-force applied as the car travels faster -->
      <!-- A larger number increases the down force -->
      <aero_load>0.1</aero_load>
    </plugin>
  </model>
</sdf>