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deploy_45dim/go1_sim2sim.py
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236
deploy_45dim/go1_sim2sim.py
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#!/usr/bin/env python3
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"""Go1 sim2sim MuJoCo viewer — Original 30k flat training.
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Usage: python go1_sim2sim.py
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Requires: mujoco, onnxruntime, pynput
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Install: pip install mujoco onnxruntime pynput
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Controls:
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W/S: forward/back Q/E: strafe left/right
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A/D: rotate Space: stop R: reset Esc: quit
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"""
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import numpy as np, mujoco, onnxruntime as ort, os, time, threading, queue
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from mujoco import viewer
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from pynput import keyboard
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HERE = os.path.dirname(os.path.abspath(__file__))
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ONNX = os.path.join(HERE, "90k_45.onnx")
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# ── Parameters (original MotrixLab Go1 config) ──
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NUM_OBS = 45
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KP, KD = 80.0, 0.5 # KD=0.5 + MuJoCo joint_damping(0.5) = 1.0 = training kd
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ACTION_SCALE = 0.05
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CLIP = 23.7
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DEFAULT_ANGLES = np.array([
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-0.0, 0.9, -1.8,
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0.0, 0.9, -1.8,
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-0.0, 0.9, -1.8,
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0.0, 0.9, -1.8,
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], dtype=np.float32)
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# ── Keyboard ──
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class KB:
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def __init__(s):
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s._q = queue.Queue(); s.running = True; s.held = set()
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def _n(s, k):
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try:
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if hasattr(k, 'char') and k.char: return k.char.lower()
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except: pass
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return str(k).lower()
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def _w(s):
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while s.running:
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try:
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et, k = s._q.get(timeout=0.05)
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n = s._n(k)
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if et == 'press': s.held.add(n)
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elif et == 'release': s.held.discard(n)
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except queue.Empty: pass
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def init(s):
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s._l = keyboard.Listener(
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on_press=lambda k: s._q.put(('press', k)),
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on_release=lambda k: s._q.put(('release', k)))
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s._l.start()
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s._t = threading.Thread(target=s._w, daemon=True); s._t.start()
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def keys(s): return s.held.copy()
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def stop(s): s.running = False; s._l.stop()
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# ── Main ──
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def main():
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# The model XML is embedded below
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xml = '''<mujoco model="go1 scene">
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<compiler angle="radian" autolimits="true"/>
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<option timestep="0.005" integrator="Euler" iterations="60">
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<flag eulerdamp="disable"/>
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</option>
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<custom>
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<numeric data="30" name="max_contact_points"/>
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<numeric data="12" name="max_geom_pairs"/>
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</custom>
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<default>
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<default class="go1">
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<geom condim="1"/>
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<joint axis="0 1 0" armature="0.005" damping="0.5"/>
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<default class="abduction">
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<joint axis="1 0 0" range="-0.863 0.863" frictionloss="0.3"/>
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</default>
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<default class="hip">
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<joint range="-0.686 4.501" frictionloss="0.3"/>
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</default>
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<default class="knee">
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<joint range="-2.818 -0.888" frictionloss="1.0"/>
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</default>
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</default>
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</default>
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<asset>
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<texture name="skybox" type="skybox" builtin="gradient" rgb1="0.4 0.4 0.4" rgb2="0 0 0" width="512" height="512"/>
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<texture name="ground" type="2d" builtin="checker" mark="edge" rgb1="0.2 0.3 0.4" rgb2="0.1 0.2 0.3" markrgb="0.8 0.8 0.8" width="300" height="300"/>
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<material name="ground" texture="ground" texuniform="true" texrepeat="5 5" reflectance="0.2"/>
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</asset>
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<worldbody>
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<light pos="0 0 1.5" dir="0 0 -1" directional="true"/>
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<geom name="floor" size="0 0 0.01" type="plane" material="ground" contype="1" conaffinity="0" priority="1" friction="0.6" condim="3"/>
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<body name="trunk" pos="0 0 0.4" childclass="go1">
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<freejoint/>
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<inertial pos="0.0223 0.002 -0.0005" quat="-0.00342088 0.705204 0.000106698 0.708996" mass="5.204" diaginertia="0.0716565 0.0630105 0.0168101"/>
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<geom name="trunk_geom" contype="0" conaffinity="0" group="2" type="box" size="0.35 0.12 0.08" rgba="0.4 0.4 0.4 1"/>
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<geom name="trunk_col" contype="1" conaffinity="1" group="3" pos="0.24 0 0" size="0.05 0.05 0.05" type="box"/>
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<site name="imu" pos="-0.01592 -0.06659 -0.00617" group="5"/>
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<!-- FR leg -->
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<body name="FR_hip" pos="0.1881 -0.04675 0">
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<joint class="abduction" name="FR_hip_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.05 0.08" rgba="0.5 0.5 0.5 1"/>
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<body name="FR_thigh" pos="0 -0.08 0">
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<joint class="hip" name="FR_thigh_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.05 0.11" pos="0 0 -0.1" rgba="0.5 0.5 0.5 1"/>
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<body name="FR_calf" pos="0 0 -0.213">
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<joint class="knee" name="FR_calf_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.04 0.11" pos="0 0 -0.1" rgba="0.5 0.5 0.5 1"/>
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<geom name="FR_foot" contype="1" conaffinity="1" group="3" type="sphere" size="0.023" pos="0 0 -0.213" priority="10" condim="3"/>
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</body>
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</body>
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</body>
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<!-- FL leg -->
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<body name="FL_hip" pos="0.1881 0.04675 0">
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<joint class="abduction" name="FL_hip_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.05 0.08" rgba="0.5 0.5 0.5 1"/>
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<body name="FL_thigh" pos="0 0.08 0">
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<joint class="hip" name="FL_thigh_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.05 0.11" pos="0 0 -0.1" rgba="0.5 0.5 0.5 1"/>
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<body name="FL_calf" pos="0 0 -0.213">
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<joint class="knee" name="FL_calf_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.04 0.11" pos="0 0 -0.1" rgba="0.5 0.5 0.5 1"/>
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<geom name="FL_foot" contype="1" conaffinity="1" group="3" type="sphere" size="0.023" pos="0 0 -0.213" priority="10" condim="3"/>
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</body>
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</body>
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</body>
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<!-- RR leg -->
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<body name="RR_hip" pos="-0.1881 -0.04675 0">
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<joint class="abduction" name="RR_hip_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.05 0.08" rgba="0.5 0.5 0.5 1"/>
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<body name="RR_thigh" pos="0 -0.08 0">
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<joint class="hip" name="RR_thigh_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.05 0.11" pos="0 0 -0.1" rgba="0.5 0.5 0.5 1"/>
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<body name="RR_calf" pos="0 0 -0.213">
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<joint class="knee" name="RR_calf_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.04 0.11" pos="0 0 -0.1" rgba="0.5 0.5 0.5 1"/>
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<geom name="RR_foot" contype="1" conaffinity="1" group="3" type="sphere" size="0.023" pos="0 0 -0.213" priority="10" condim="3"/>
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</body>
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</body>
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</body>
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<!-- RL leg -->
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<body name="RL_hip" pos="-0.1881 0.04675 0">
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<joint class="abduction" name="RL_hip_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.05 0.08" rgba="0.5 0.5 0.5 1"/>
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<body name="RL_thigh" pos="0 0.08 0">
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<joint class="hip" name="RL_thigh_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.05 0.11" pos="0 0 -0.1" rgba="0.5 0.5 0.5 1"/>
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<body name="RL_calf" pos="0 0 -0.213">
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<joint class="knee" name="RL_calf_joint"/>
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<geom contype="0" conaffinity="0" group="2" type="capsule" size="0.04 0.11" pos="0 0 -0.1" rgba="0.5 0.5 0.5 1"/>
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<geom name="RL_foot" contype="1" conaffinity="1" group="3" type="sphere" size="0.023" pos="0 0 -0.213" priority="10" condim="3"/>
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</body>
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</body>
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</body>
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</body>
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</worldbody>
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<actuator>
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<motor class="abduction" name="FR_hip" joint="FR_hip_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="hip" name="FR_thigh" joint="FR_thigh_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="knee" name="FR_calf" joint="FR_calf_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="abduction" name="FL_hip" joint="FL_hip_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="hip" name="FL_thigh" joint="FL_thigh_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="knee" name="FL_calf" joint="FL_calf_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="abduction" name="RR_hip" joint="RR_hip_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="hip" name="RR_thigh" joint="RR_thigh_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="knee" name="RR_calf" joint="RR_calf_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="abduction" name="RL_hip" joint="RL_hip_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="hip" name="RL_thigh" joint="RL_thigh_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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<motor class="knee" name="RL_calf" joint="RL_calf_joint" ctrllimited="true" ctrlrange="-23.7 23.7"/>
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</actuator>
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<sensor>
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<gyro site="imu" name="gyro"/>
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<velocimeter site="imu" name="local_linvel"/>
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</sensor>
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</mujoco>'''
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model = mujoco.MjModel.from_xml_string(xml)
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data = mujoco.MjData(model)
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data.qpos[0:3] = [0, 0, 0.42]
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data.qpos[3:7] = [1, 0, 0, 0]
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data.qpos[7:19] = DEFAULT_ANGLES
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mujoco.mj_forward(model, data)
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session = ort.InferenceSession(ONNX, providers=['CPUExecutionProvider'])
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print(f"[Go1 sim2sim] ONNX={ONNX}")
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print(f"[Go1 sim2sim] PD kp={KP} kd={KD+0.5} action_scale={ACTION_SCALE} obs={NUM_OBS}-dim")
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print(f"[Go1 sim2sim] W/S前后 Q/E左右 A/D旋转 Space停 R重置 Esc退出")
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kb = KB(); kb.init()
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view = viewer.launch_passive(model, data)
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step, vx, vy, wz = 0, 0.0, 0.0, 0.0
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last_a = np.zeros(12, dtype=np.float32)
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while view.is_running():
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keys = kb.keys()
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if 'escape' in keys: break
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if 'r' in keys:
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data.qpos[0:3] = [0, 0, 0.42]
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data.qpos[3:7] = [1, 0, 0, 0]
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data.qpos[7:19] = DEFAULT_ANGLES
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data.qvel[:] = 0; last_a[:] = 0
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mujoco.mj_forward(model, data)
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vx = 1.0 if 'w' in keys else (-1.0 if 's' in keys else 0.0)
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vy = 1.0 if 'q' in keys else (-1.0 if 'e' in keys else 0.0)
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wz = 1.0 if 'a' in keys else (-1.0 if 'd' in keys else 0.0)
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if ' ' in keys: vx = vy = wz = 0.0
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if step % 2 == 0: # 100Hz control (MuJoCo dt=0.005)
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obs = np.zeros(NUM_OBS, dtype=np.float32)
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sid = mujoco.mj_name2id(model, mujoco.mjtObj.mjOBJ_SENSOR, "gyro")
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adr = model.sensor_adr[sid]
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obs[0:3] = data.sensordata[adr:adr+3] * 0.25
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R = data.xmat[1].reshape(3, 3)
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obs[3:6] = (R.T @ np.array([0., 0., -1.])).astype(np.float32)
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obs[6:18] = (data.qpos[7:19] - DEFAULT_ANGLES) * 1.0
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obs[18:30] = data.qvel[6:18] * 0.05
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obs[30:42] = last_a
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obs[42:45] = np.array([vx, vy, wz]) * np.array([2., 2., 0.25])
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obs = np.clip(obs, -100., 100.)
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action = session.run(None, {'observations': obs.reshape(1, -1).astype(np.float32)})[0][0]
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action = np.clip(action, -CLIP, CLIP)
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last_a = action.copy()
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target = DEFAULT_ANGLES + action * ACTION_SCALE
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torques = KP * (target - data.qpos[7:19]) - KD * data.qvel[6:18]
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data.ctrl[:] = np.clip(torques, -CLIP, CLIP)
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mujoco.mj_step(model, data)
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view.sync()
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step += 1
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time.sleep(0.001)
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kb.stop(); view.close()
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if __name__ == "__main__":
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main()
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