Burger机器人Gazebo仿真添加Kinect

 

kinect_gazebo.xacro

<?xml version="1.0"?>
<robot xmlns:xacro="http://www.ros.org/wiki/xacro" name="kinect_camera">

    <xacro:macro name="kinect_camera" params="prefix:=camera">
        <!-- Create kinect reference frame -->
        <!-- Add mesh for kinect -->
        <link name="${prefix}_link">
            <origin xyz="0 0 0" rpy="0 0 0"/>
            <visual>
                <origin xyz="0 0 0" rpy="0 0 ${M_PI/2}"/>
                <geometry>
                    <mesh filename="package://turtlebot3_description/meshes/kinect.dae" scale="0.4 0.4 0.4" />
                </geometry>
            </visual>
            <collision>
                <geometry>
                    <box size="0.07 0.3 0.09"/>
                </geometry>
            </collision>
        </link>

        <joint name="${prefix}_optical_joint" type="fixed">
            <origin xyz="0 0 0" rpy="-1.5708 0 -1.5708"/>
            <parent link="${prefix}_link"/>
            <child link="${prefix}_frame_optical"/>
        </joint>

        <link name="${prefix}_frame_optical"/>

        <gazebo reference="${prefix}_link">
            <sensor type="depth" name="${prefix}">
                <always_on>true</always_on>
                <update_rate>20.0</update_rate>
                <camera>
                    <horizontal_fov>${60.0*M_PI/180.0}</horizontal_fov>
                    <image>
                        <format>R8G8B8</format>
                        <width>640</width>
                        <height>480</height>
                    </image>
                    <clip>
                        <near>0.05</near>
                        <far>8.0</far>
                    </clip>
                </camera>
                <plugin name="kinect_${prefix}_controller" filename="libgazebo_ros_openni_kinect.so">
                    <cameraName>${prefix}</cameraName>
                    <alwaysOn>true</alwaysOn>
                    <updateRate>10</updateRate>
                    <imageTopicName>rgb/image_raw</imageTopicName>
                    <depthImageTopicName>depth/image_raw</depthImageTopicName>
                    <pointCloudTopicName>depth/points</pointCloudTopicName>
                    <cameraInfoTopicName>rgb/camera_info</cameraInfoTopicName>
                    <depthImageCameraInfoTopicName>depth/camera_info</depthImageCameraInfoTopicName>
                    <frameName>${prefix}_frame_optical</frameName>
                    <baseline>0.1</baseline>
                    <distortion_k1>0.0</distortion_k1>
                    <distortion_k2>0.0</distortion_k2>
                    <distortion_k3>0.0</distortion_k3>
                    <distortion_t1>0.0</distortion_t1>
                    <distortion_t2>0.0</distortion_t2>
                    <pointCloudCutoff>0.4</pointCloudCutoff>
                </plugin>
            </sensor>
        </gazebo>

    </xacro:macro>
</robot>

　　

修改turtlebot3_burger.urdf.xacro文件

<?xml version="1.0" ?>
<robot name="turtlebot3_burger" xmlns:xacro="http://ros.org/wiki/xacro">
  <xacro:include filename="$(find turtlebot3_description)/urdf/common_properties.xacro"/>
  <xacro:include filename="$(find turtlebot3_description)/urdf/turtlebot3_burger.gazebo.xacro"/>
  <xacro:include filename="$(find turtlebot3_description)/urdf/kinect_gazebo.xacro"/>

  <xacro:property name="kinect_offset_x" value="0.0" />
  <xacro:property name="kinect_offset_y" value="0.0" />
  <xacro:property name="kinect_offset_z" value="0.1" />
  <xacro:property name="M_PI" value="3.14159" />

  <xacro:kinect_camera prefix="camera"/>
  <joint name="kinect_frame_joint" type="fixed">
    <origin xyz="${kinect_offset_x} ${kinect_offset_y} ${kinect_offset_z}" rpy="0 0 0" />
    <parent link="base_link"/>
    <child link="camera_link"/>
  </joint>

  <link name="base_footprint"/>

  <joint name="base_joint" type="fixed">
    <parent link="base_footprint"/>
    <child link="base_link"/>
    <origin xyz="0.0 0.0 0.010" rpy="0 0 0"/>
  </joint>

  <link name="base_link">
    <visual>
      <origin xyz="-0.032 0 0.0" rpy="0 0 0"/>
      <geometry>
        <mesh filename="package://turtlebot3_description/meshes/bases/burger_base.stl" scale="0.001 0.001 0.001"/>
      </geometry>
      <material name="light_black"/>
    </visual>

    <collision>
      <origin xyz="-0.032 0 0.070" rpy="0 0 0"/>
      <geometry>
        <box size="0.140 0.140 0.143"/>
      </geometry>
    </collision>

    <inertial>
      <origin xyz="0 0 0" rpy="0 0 0"/>
      <mass value="8.2573504e-01"/>
      <inertia ixx="2.2124416e-03" ixy="-1.2294101e-05" ixz="3.4938785e-05"
               iyy="2.1193702e-03" iyz="-5.0120904e-06"
               izz="2.0064271e-03" />
    </inertial>
  </link>

  <joint name="wheel_left_joint" type="continuous">
    <parent link="base_link"/>
    <child link="wheel_left_link"/>
    <origin xyz="0.0 0.08 0.023" rpy="-1.57 0 0"/>
    <axis xyz="0 0 1"/>
  </joint>

  <link name="wheel_left_link">
    <visual>
      <origin xyz="0 0 0" rpy="1.57 0 0"/>
      <geometry>
        <mesh filename="package://turtlebot3_description/meshes/wheels/left_tire.stl" scale="0.001 0.001 0.001"/>
      </geometry>
      <material name="dark"/>
    </visual>

    <collision>
      <origin xyz="0 0 0" rpy="0 0 0"/>
      <geometry>
        <cylinder length="0.018" radius="0.033"/>
      </geometry>
    </collision>

    <inertial>
      <origin xyz="0 0 0" />
      <mass value="2.8498940e-02" />
      <inertia ixx="1.1175580e-05" ixy="-4.2369783e-11" ixz="-5.9381719e-09"
               iyy="1.1192413e-05" iyz="-1.4400107e-11"
               izz="2.0712558e-05" />
      </inertial>
  </link>

  <joint name="wheel_right_joint" type="continuous">
    <parent link="base_link"/>
    <child link="wheel_right_link"/>
    <origin xyz="0.0 -0.080 0.023" rpy="-1.57 0 0"/>
    <axis xyz="0 0 1"/>
  </joint>

  <link name="wheel_right_link">
    <visual>
      <origin xyz="0 0 0" rpy="1.57 0 0"/>
      <geometry>
        <mesh filename="package://turtlebot3_description/meshes/wheels/right_tire.stl" scale="0.001 0.001 0.001"/>
      </geometry>
      <material name="dark"/>
    </visual>

    <collision>
      <origin xyz="0 0 0" rpy="0 0 0"/>
      <geometry>
        <cylinder length="0.018" radius="0.033"/>
      </geometry>
    </collision>

    <inertial>
      <origin xyz="0 0 0" />
      <mass value="2.8498940e-02" />
      <inertia ixx="1.1175580e-05" ixy="-4.2369783e-11" ixz="-5.9381719e-09"
               iyy="1.1192413e-05" iyz="-1.4400107e-11"
               izz="2.0712558e-05" />
      </inertial>
  </link>

  <joint name="caster_back_joint" type="fixed">
    <parent link="base_link"/>
    <child link="caster_back_link"/>
    <origin xyz="-0.081 0 -0.004" rpy="-1.57 0 0"/>
  </joint>

  <link name="caster_back_link">
    <collision>
      <origin xyz="0 0.001 0" rpy="0 0 0"/>
      <geometry>
        <box size="0.030 0.009 0.020"/>
      </geometry>
    </collision>

    <inertial>
      <origin xyz="0 0 0" />
      <mass value="0.005" />
      <inertia ixx="0.001" ixy="0.0" ixz="0.0"
               iyy="0.001" iyz="0.0"
               izz="0.001" />
    </inertial>
  </link>

  <joint name="imu_joint" type="fixed">
    <parent link="base_link"/>
    <child link="imu_link"/>
    <origin xyz="-0.032 0 0.068" rpy="0 0 0"/>
  </joint>

  <link name="imu_link"/>

  <joint name="scan_joint" type="fixed">
    <parent link="base_link"/>
    <child link="base_scan"/>
    <origin xyz="-0.032 0 0.172" rpy="0 0 0"/>
  </joint>

  <link name="base_scan">
    <visual>
      <origin xyz="0 0 0.0" rpy="0 0 0"/>
      <geometry>
        <mesh filename="package://turtlebot3_description/meshes/sensors/lds.stl" scale="0.001 0.001 0.001"/>
      </geometry>
      <material name="dark"/>
    </visual>

    <collision>
      <origin xyz="0.015 0 -0.0065" rpy="0 0 0"/>
      <geometry>
        <cylinder length="0.0315" radius="0.055"/>
      </geometry>
    </collision>

    <inertial>
      <mass value="0.114" />
      <origin xyz="0 0 0" />
      <inertia ixx="0.001" ixy="0.0" ixz="0.0"
               iyy="0.001" iyz="0.0"
               izz="0.001" />
    </inertial>
  </link>

</robot>

　　

 

 加载模型文件

turtlebot3_description/meshes文件夹

 

 

 

参考

参考2