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decrease some gjk/epa tolerance to improve collision detection using very small collision margins (0.001/1mm)

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tweak pr2 gripper.
This commit is contained in:
erwin coumans
2016-09-20 12:37:13 -07:00
parent 8d4c99801e
commit 0a628f06cc
10 changed files with 214 additions and 40 deletions
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42
data/pr2_gripper.urdf
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@@ -32,18 +32,23 @@
<link name="left_gripper">
<contact>
<lateral_friction value="5.0"/>
<spinning_friction value="0.1"/>
<lateral_friction value="1.0"/>
<spinning_friction value="1.5"/>
</contact>
<visual>
<origin rpy="0.0 0 0" xyz="0 0 0"/>
<geometry>
<mesh filename="l_finger.stl"/>
<mesh filename="l_finger_collision.stl"/>
</geometry>
</visual>
<collision>
<origin rpy="0.0 0 0" xyz="0 0 0"/>
<geometry>
<mesh filename="l_finger_collision.stl"/>
</geometry>
</collision>
<inertial>
<mass value="0.5"/>
<mass value="0.1"/>
<inertia ixx="1.0" ixy="0.0" ixz="0.0" iyy="1.0" iyz="0.0" izz="1.0"/>
</inertial>
</link>
@@ -55,8 +60,8 @@
<link name="left_tip">
<contact>
<lateral_friction value="5.0"/>
<spinning_friction value="0.1"/>
<lateral_friction value="1.0"/>
<spinning_friction value="1.5"/>
</contact>
<visual>
<origin rpy="0.0 0 0" xyz="0.09137 0.00495 0"/>
@@ -71,7 +76,7 @@
<origin rpy="0.0 0 0" xyz="0.105 0.00495 0"/>
</collision>
<inertial>
<mass value="0.05"/>
<mass value="0.1"/>
<inertia ixx="1.0" ixy="0.0" ixz="0.0" iyy="1.0" iyz="0.0" izz="1.0"/>
</inertial>
</link>
@@ -86,18 +91,23 @@
<link name="right_gripper">
<contact>
<lateral_friction value="5.0"/>
<spinning_friction value="0.3"/>
<lateral_friction value="1.0"/>
<spinning_friction value="1.5"/>
</contact>
<visual>
<origin rpy="-3.1415 0 0" xyz="0 0 0"/>
<geometry>
<mesh filename="l_finger.stl"/>
<mesh filename="l_finger_collision.stl"/>
</geometry>
</visual>
<collision>
<origin rpy="-3.1415 0 0" xyz="0 0 0"/>
<geometry>
<mesh filename="l_finger_collision.stl"/>
</geometry>
</collision>
<inertial>
<mass value="0.05"/>
<mass value="0.1"/>
<inertia ixx="1.0" ixy="0.0" ixz="0.0" iyy="1.0" iyz="0.0" izz="1.0"/>
</inertial>
</link>
@@ -109,8 +119,8 @@
<link name="right_tip">
<contact>
<lateral_friction value="5.0"/>
<spinning_friction value=".2"/>
<lateral_friction value="1.0"/>
<spinning_friction value="1.5"/>
</contact>
<visual>
<origin rpy="-3.1415 0 0" xyz="0.09137 0.00495 0"/>
@@ -125,7 +135,7 @@
<origin rpy="-3.1415 0 0" xyz="0.105 0.00495 0"/>
</collision>
<inertial>
<mass value="0.05"/>
<mass value="0.1"/>
<inertia ixx="1.0" ixy="0.0" ixz="0.0" iyy="1.0" iyz="0.0" izz="1.0"/>
</inertial>
</link>