add go2 rotor inertia

This commit is contained in:
TrivasZhang 2024-09-10 19:45:19 +08:00
parent 4f0a6b501b
commit 9912563845
2 changed files with 138 additions and 4 deletions

View File

@ -37,17 +37,23 @@
<xacro:property name="hip_offset_x" value="0.1934"/>
<xacro:property name="hip_offset_y" value="0.0465"/>
<xacro:property name="hip_offset_z" value="0.0"/>
<xacro:property name="hip_rotor_offset_x" value="0.11215"/>
<xacro:property name="hip_rotor_offset_y" value="0.04675"/>
<xacro:property name="hip_rotor_offset_z" value="0.0"/>
<xacro:property name="thigh_offset_x" value="0"/>
<xacro:property name="thigh_offset_y" value="0.0955"/>
<xacro:property name="thigh_offset_z" value="0.0"/>
<xacro:property name="thigh_rotor_offset_x" value="0.0"/>
<xacro:property name="thigh_rotor_offset_y" value="-0.00015"/>
<xacro:property name="thigh_rotor_offset_z" value="0.0"/>
<xacro:property name="calf_offset_x" value="0.0"/>
<xacro:property name="calf_offset_y" value="0.0"/>
<xacro:property name="calf_offset_z" value="-0.213"/>
<xacro:property name="calf_rotor_offset_x" value="0.0"/>
<xacro:property name="calf_rotor_offset_y" value="-0.03235"/>
<xacro:property name="calf_rotor_offset_z" value="0.0"/>
<!-- joint limits -->
<xacro:property name="damping" value="0.0"/>
@ -90,6 +96,17 @@
<xacro:property name="hip_iyz" value="-1.42E-06"/>
<xacro:property name="hip_izz" value="0.000596"/>
<xacro:property name="hip_rotor_mass" value="0.089"/>
<xacro:property name="hip_rotor_com_x" value="0.0"/>
<xacro:property name="hip_rotor_com_y" value="0.0"/>
<xacro:property name="hip_rotor_com_z" value="0.0"/>
<xacro:property name="hip_rotor_ixx" value="0.000111842"/>
<xacro:property name="hip_rotor_ixy" value="0.0"/>
<xacro:property name="hip_rotor_ixz" value="0.0"/>
<xacro:property name="hip_rotor_iyy" value="0.000059647"/>
<xacro:property name="hip_rotor_iyz" value="0.0"/>
<xacro:property name="hip_rotor_izz" value="0.000059647"/>
<!-- thigh -->
<xacro:property name="thigh_mass" value="1.152"/>
<xacro:property name="thigh_com_x" value="-0.00374"/>
@ -102,6 +119,17 @@
<xacro:property name="thigh_iyz" value="0.000808"/>
<xacro:property name="thigh_izz" value="0.00103"/>
<xacro:property name="thigh_rotor_mass" value="0.089"/>
<xacro:property name="thigh_rotor_com_x" value="0.0"/>
<xacro:property name="thigh_rotor_com_y" value="0.0"/>
<xacro:property name="thigh_rotor_com_z" value="0.0"/>
<xacro:property name="thigh_rotor_ixx" value="0.000059647"/>
<xacro:property name="thigh_rotor_ixy" value="0.0"/>
<xacro:property name="thigh_rotor_ixz" value="0.0"/>
<xacro:property name="thigh_rotor_iyy" value="0.000111842"/>
<xacro:property name="thigh_rotor_iyz" value="0.0"/>
<xacro:property name="thigh_rotor_izz" value="0.000059647"/>
<!-- calf -->
<xacro:property name="calf_mass" value="0.154"/>
<xacro:property name="calf_com_x" value="0.00548"/>
@ -114,6 +142,16 @@
<xacro:property name="calf_iyz" value="8.28E-06"/>
<xacro:property name="calf_izz" value="3.29E-05"/>
<xacro:property name="calf_rotor_mass" value="0.089"/>
<xacro:property name="calf_rotor_com_x" value="0.0"/>
<xacro:property name="calf_rotor_com_y" value="0.0"/>
<xacro:property name="calf_rotor_com_z" value="0.0"/>
<xacro:property name="calf_rotor_ixx" value="0.000059647"/>
<xacro:property name="calf_rotor_ixy" value="0.0"/>
<xacro:property name="calf_rotor_ixz" value="0.0"/>
<xacro:property name="calf_rotor_iyy" value="0.000111842"/>
<xacro:property name="calf_rotor_iyz" value="0.0"/>
<xacro:property name="calf_rotor_izz" value="0.000059647"/>
<!-- foot -->
<xacro:property name="foot_mass" value="0.06"/>

View File

@ -31,6 +31,22 @@
</xacro:if>
</joint>
<joint name="${name}_hip_rotor_joint" type="fixed">
<xacro:if value="${(mirror_dae == False) and (front_hind_dae == True)}">
<origin rpy="0 0 0" xyz="${hip_rotor_offset_x} ${-hip_rotor_offset_y} 0"/>
</xacro:if>
<xacro:if value="${(mirror_dae == True) and (front_hind_dae == True)}">
<origin rpy="0 0 0" xyz="${hip_rotor_offset_x} ${hip_rotor_offset_y} 0"/>
</xacro:if>
<xacro:if value="${(mirror_dae == False) and (front_hind_dae == False)}">
<origin rpy="0 0 0" xyz="${-hip_rotor_offset_x} ${-hip_rotor_offset_y} 0"/>
</xacro:if>
<xacro:if value="${(mirror_dae == True) and (front_hind_dae == False)}">
<origin rpy="0 0 0" xyz="${-hip_rotor_offset_x} ${hip_rotor_offset_y} 0"/>
</xacro:if>
<parent link="trunk"/>
<child link="${name}_hip_rotor"/>
</joint>
<link name="${name}_hip">
<visual>
@ -67,6 +83,30 @@
</inertial>
</link>
<link name="${name}_hip_rotor">
<visual>
<origin rpy="0 ${PI/2.0} 0" xyz="0 0 0"/>
<geometry>
<cylinder length="0.02" radius="0.035"/>
</geometry>
<material name="green"/>
</visual>
<!-- <collision>
<origin rpy="0 ${PI/2.0} 0" xyz="0 0 0"/>
<geometry>
<cylinder length="0.02" radius="0.035"/>
</geometry>
</collision> -->
<inertial>
<origin rpy="0 0 0" xyz="${hip_rotor_com_x} ${hip_rotor_com_y} ${hip_rotor_com_z}"/>
<mass value="${hip_rotor_mass}"/>
<inertia
ixx="${hip_rotor_ixx}" ixy="${hip_rotor_ixy}" ixz="${hip_rotor_ixz}"
iyy="${hip_rotor_iyy}" iyz="${hip_rotor_iyz}"
izz="${hip_rotor_izz}"/>
</inertial>
</link>
<joint name="${name}_thigh_joint" type="revolute">
<origin rpy="0 0 0" xyz="0 ${thigh_offset*mirror} 0"/>
<parent link="${name}_hip"/>
@ -76,6 +116,11 @@
<limit effort="${thigh_torque_max}" velocity="${thigh_velocity_max}" lower="${thigh_position_min}" upper="${thigh_position_max}"/>
</joint>
<joint name="${name}_thigh_rotor_joint" type="fixed">
<origin rpy="0 0 0" xyz="${thigh_rotor_offset_x} ${thigh_rotor_offset_y*mirror} 0"/>
<parent link="${name}_hip"/>
<child link="${name}_thigh_rotor"/>
</joint>
<link name="${name}_thigh">
<visual>
@ -106,6 +151,29 @@
</inertial>
</link>
<link name="${name}_thigh_rotor">
<visual>
<origin rpy="${PI/2.0} 0 0" xyz="0 0 0"/>
<geometry>
<cylinder length="0.02" radius="0.035"/>
</geometry>
<material name="green"/>
</visual>
<!-- <collision>
<origin rpy="${PI/2.0} 0 0" xyz="0 0 0"/>
<geometry>
<cylinder length="0.02" radius="0.035"/>
</geometry>
</collision> -->
<inertial>
<origin rpy="0 0 0" xyz="${thigh_rotor_com_x} ${thigh_rotor_com_y} ${thigh_rotor_com_z}"/>
<mass value="${thigh_rotor_mass}"/>
<inertia
ixx="${thigh_rotor_ixx}" ixy="${thigh_rotor_ixy}" ixz="${thigh_rotor_ixz}"
iyy="${thigh_rotor_iyy}" iyz="${thigh_rotor_iyz}"
izz="${thigh_rotor_izz}"/>
</inertial>
</link>
<joint name="${name}_calf_joint" type="revolute">
<origin rpy="0 0 0" xyz="0 0 ${-thigh_length}"/>
@ -116,6 +184,11 @@
<limit effort="${calf_torque_max}" velocity="${calf_velocity_max}" lower="${calf_position_min}" upper="${calf_position_max}"/>
</joint>
<joint name="${name}_calf_rotor_joint" type="fixed">
<origin rpy="0 0 0" xyz="${calf_rotor_offset_x} ${calf_rotor_offset_y*mirror} 0"/>
<parent link="${name}_thigh"/>
<child link="${name}_calf_rotor"/>
</joint>
<link name="${name}_calf">
<visual>
@ -141,8 +214,31 @@
</inertial>
</link>
<link name="${name}_calf_rotor">
<visual>
<origin rpy="${PI/2.0} 0 0" xyz="0 0 0"/>
<geometry>
<cylinder length="0.02" radius="0.035"/>
</geometry>
<material name="green"/>
</visual>
<!-- <collision>
<origin rpy="${PI/2.0} 0 0" xyz="0 0 0"/>
<geometry>
<cylinder length="0.02" radius="0.035"/>
</geometry>
</collision> -->
<inertial>
<origin rpy="0 0 0" xyz="${calf_rotor_com_x} ${calf_rotor_com_y} ${calf_rotor_com_z}"/>
<mass value="${calf_rotor_mass}"/>
<inertia
ixx="${calf_rotor_ixx}" ixy="${calf_rotor_ixy}" ixz="${calf_rotor_ixz}"
iyy="${calf_rotor_iyy}" iyz="${calf_rotor_iyz}"
izz="${calf_rotor_izz}"/>
</inertial>
</link>
<joint name="${name}_foot_fixed" type="fixed">0
<joint name="${name}_foot_fixed" type="fixed">
<origin rpy="0 0 0" xyz="0 0 ${-(calf_length)}"/>
<parent link="${name}_calf"/>
<child link="${name}_foot"/>