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gomoku / DI-engine /dizoo /multiagent_mujoco /envs /assets /coupled_half_cheetah.xml
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<!-- Cheetah Model
The state space is populated with joints in the order that they are
defined in this file. The actuators also operate on joints.
State-Space (name/joint/parameter):
- rootx slider position (m)
- rootz slider position (m)
- rooty hinge angle (rad)
- bthigh hinge angle (rad)
- bshin hinge angle (rad)
- bfoot hinge angle (rad)
- fthigh hinge angle (rad)
- fshin hinge angle (rad)
- ffoot hinge angle (rad)
- rootx slider velocity (m/s)
- rootz slider velocity (m/s)
- rooty hinge angular velocity (rad/s)
- bthigh hinge angular velocity (rad/s)
- bshin hinge angular velocity (rad/s)
- bfoot hinge angular velocity (rad/s)
- fthigh hinge angular velocity (rad/s)
- fshin hinge angular velocity (rad/s)
- ffoot hinge angular velocity (rad/s)
Actuators (name/actuator/parameter):
- bthigh hinge torque (N m)
- bshin hinge torque (N m)
- bfoot hinge torque (N m)
- fthigh hinge torque (N m)
- fshin hinge torque (N m)
- ffoot hinge torque (N m)
-->
<mujoco model="cheetah">
<compiler angle="radian" coordinate="local" inertiafromgeom="true" settotalmass="14"/>
<default>
<joint armature=".1" damping=".01" limited="true" solimplimit="0 .8 .03" solreflimit=".02 1" stiffness="8"/>
<geom conaffinity="0" condim="3" contype="1" friction=".4 .1 .1" rgba="0.8 0.6 .4 1" solimp="0.0 0.8 0.01" solref="0.02 1"/>
<motor ctrllimited="true" ctrlrange="-1 1"/>
</default>
<size nstack="300000" nuser_geom="1"/>
<option gravity="0 0 -9.81" timestep="0.01"/>
<asset>
<texture builtin="gradient" height="100" rgb1="1 1 1" rgb2="0 0 0" type="skybox" width="100"/>
<texture builtin="flat" height="1278" mark="cross" markrgb="1 1 1" name="texgeom" random="0.01" rgb1="0.8 0.6 0.4" rgb2="0.8 0.6 0.4" type="cube" width="127"/>
<texture builtin="checker" height="100" name="texplane" rgb1="0 0 0" rgb2="0.8 0.8 0.8" type="2d" width="100"/>
<material name="MatPlane" reflectance="0.5" shininess="1" specular="1" texrepeat="60 60" texture="texplane"/>
<material name="geom" texture="texgeom" texuniform="true"/>
</asset>
<worldbody>
<light cutoff="100" diffuse="1 1 1" dir="-0 0 -1.3" directional="true" exponent="1" pos="0 0 1.3" specular=".1 .1 .1"/>
<geom conaffinity="1" condim="3" material="MatPlane" name="floor" pos="0 0 0" rgba="0.8 0.9 0.8 1" size="40 40 40" type="plane"/>
<body name="torso" pos="0 -1 .7">
<site name="t1" pos="0.0 0 0" size="0.1"/>
<camera name="track" mode="trackcom" pos="0 -3 0.3" xyaxes="1 0 0 0 0 1"/>
<joint armature="0" axis="1 0 0" damping="0" limited="false" name="rootx" pos="0 0 0" stiffness="0" type="slide"/>
<joint armature="0" axis="0 0 1" damping="0" limited="false" name="rootz" pos="0 0 0" stiffness="0" type="slide"/>
<joint armature="0" axis="0 1 0" damping="0" limited="false" name="rooty" pos="0 0 0" stiffness="0" type="hinge"/>
<geom fromto="-.5 0 0 .5 0 0" name="torso" size="0.046" type="capsule"/>
<geom axisangle="0 1 0 .87" name="head" pos=".6 0 .1" size="0.046 .15" type="capsule"/>
<!-- <site name='tip' pos='.15 0 .11'/>-->
<body name="bthigh" pos="-.5 0 0">
<joint axis="0 1 0" damping="6" name="bthigh" pos="0 0 0" range="-.52 1.05" stiffness="240" type="hinge"/>
<geom axisangle="0 1 0 -3.8" name="bthigh" pos=".1 0 -.13" size="0.046 .145" type="capsule"/>
<body name="bshin" pos=".16 0 -.25">
<joint axis="0 1 0" damping="4.5" name="bshin" pos="0 0 0" range="-.785 .785" stiffness="180" type="hinge"/>
<geom axisangle="0 1 0 -2.03" name="bshin" pos="-.14 0 -.07" rgba="0.9 0.6 0.6 1" size="0.046 .15" type="capsule"/>
<body name="bfoot" pos="-.28 0 -.14">
<joint axis="0 1 0" damping="3" name="bfoot" pos="0 0 0" range="-.4 .785" stiffness="120" type="hinge"/>
<geom axisangle="0 1 0 -.27" name="bfoot" pos=".03 0 -.097" rgba="0.9 0.6 0.6 1" size="0.046 .094" type="capsule"/>
</body>
</body>
</body>
<body name="fthigh" pos=".5 0 0">
<joint axis="0 1 0" damping="4.5" name="fthigh" pos="0 0 0" range="-1 .7" stiffness="180" type="hinge"/>
<geom axisangle="0 1 0 .52" name="fthigh" pos="-.07 0 -.12" size="0.046 .133" type="capsule"/>
<body name="fshin" pos="-.14 0 -.24">
<joint axis="0 1 0" damping="3" name="fshin" pos="0 0 0" range="-1.2 .87" stiffness="120" type="hinge"/>
<geom axisangle="0 1 0 -.6" name="fshin" pos=".065 0 -.09" rgba="0.9 0.6 0.6 1" size="0.046 .106" type="capsule"/>
<body name="ffoot" pos=".13 0 -.18">
<joint axis="0 1 0" damping="1.5" name="ffoot" pos="0 0 0" range="-.5 .5" stiffness="60" type="hinge"/>
<geom axisangle="0 1 0 -.6" name="ffoot" pos=".045 0 -.07" rgba="0.9 0.6 0.6 1" size="0.046 .07" type="capsule"/>
</body>
</body>
</body>
</body>
<!-- second cheetah definition -->
<body name="torso2" pos="0 1 .7">
<site name="t2" pos="0 0 0" size="0.1"/>
<camera name="track2" mode="trackcom" pos="0 -3 0.3" xyaxes="1 0 0 0 0 1"/>
<joint armature="0" axis="1 0 0" damping="0" limited="false" name="rootx2" pos="0 0 0" stiffness="0" type="slide"/>
<joint armature="0" axis="0 0 1" damping="0" limited="false" name="rootz2" pos="0 0 0" stiffness="0" type="slide"/>
<joint armature="0" axis="0 1 0" damping="0" limited="false" name="rooty2" pos="0 0 0" stiffness="0" type="hinge"/>
<geom fromto="-.5 0 0 .5 0 0" name="torso2" size="0.046" type="capsule"/>
<geom axisangle="0 1 0 .87" name="head2" pos=".6 0 .1" size="0.046 .15" type="capsule"/>
<!-- <site name='tip' pos='.15 0 .11'/>-->
<body name="bthigh2" pos="-.5 0 0">
<joint axis="0 1 0" damping="6" name="bthigh2" pos="0 0 0" range="-.52 1.05" stiffness="240" type="hinge"/>
<geom axisangle="0 1 0 -3.8" name="bthigh2" pos=".1 0 -.13" size="0.046 .145" type="capsule"/>
<body name="bshin2" pos=".16 0 -.25">
<joint axis="0 1 0" damping="4.5" name="bshin2" pos="0 0 0" range="-.785 .785" stiffness="180" type="hinge"/>
<geom axisangle="0 1 0 -2.03" name="bshin2" pos="-.14 0 -.07" rgba="0.9 0.6 0.6 1" size="0.046 .15" type="capsule"/>
<body name="bfoot2" pos="-.28 0 -.14">
<joint axis="0 1 0" damping="3" name="bfoot2" pos="0 0 0" range="-.4 .785" stiffness="120" type="hinge"/>
<geom axisangle="0 1 0 -.27" name="bfoot2" pos=".03 0 -.097" rgba="0.9 0.6 0.6 1" size="0.046 .094" type="capsule"/>
</body>
</body>
</body>
<body name="fthigh2" pos=".5 0 0">
<joint axis="0 1 0" damping="4.5" name="fthigh2" pos="0 0 0" range="-1 .7" stiffness="180" type="hinge"/>
<geom axisangle="0 1 0 .52" name="fthigh2" pos="-.07 0 -.12" size="0.046 .133" type="capsule"/>
<body name="fshin2" pos="-.14 0 -.24">
<joint axis="0 1 0" damping="3" name="fshin2" pos="0 0 0" range="-1.2 .87" stiffness="120" type="hinge"/>
<geom axisangle="0 1 0 -.6" name="fshin2" pos=".065 0 -.09" rgba="0.9 0.6 0.6 1" size="0.046 .106" type="capsule"/>
<body name="ffoot2" pos=".13 0 -.18">
<joint axis="0 1 0" damping="1.5" name="ffoot2" pos="0 0 0" range="-.5 .5" stiffness="60" type="hinge"/>
<geom axisangle="0 1 0 -.6" name="ffoot2" pos=".045 0 -.07" rgba="0.9 0.6 0.6 1" size="0.046 .07" type="capsule"/>
</body>
</body>
</body>
</body>
</worldbody>
<tendon>
<spatial name="tendon1" width="0.05" rgba=".95 .3 .3 1" limited="true" range="1.5 3.5" stiffness="0.1">
<site site="t1"/>
<site site="t2"/>
</spatial>
</tendon>-
<actuator>
<motor gear="120" joint="bthigh" name="bthigh"/>
<motor gear="90" joint="bshin" name="bshin"/>
<motor gear="60" joint="bfoot" name="bfoot"/>
<motor gear="120" joint="fthigh" name="fthigh"/>
<motor gear="60" joint="fshin" name="fshin"/>
<motor gear="30" joint="ffoot" name="ffoot"/>
<motor gear="120" joint="bthigh2" name="bthigh2"/>
<motor gear="90" joint="bshin2" name="bshin2"/>
<motor gear="60" joint="bfoot2" name="bfoot2"/>
<motor gear="120" joint="fthigh2" name="fthigh2"/>
<motor gear="60" joint="fshin2" name="fshin2"/>
<motor gear="30" joint="ffoot2" name="ffoot2"/>
</actuator>
</mujoco>