mirror of
https://github.com/huggingface/lerobot.git
synced 2026-05-16 09:09:48 +00:00
add holosoma locomotion (#2669)
Add holosoma locomotion from Amazon-FAR Add reset method to unitree_g1 Format actions as dict Update docs
This commit is contained in:
@@ -13,16 +13,9 @@
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
"""
|
||||
Example: GR00T Locomotion with Pre-loaded Policies
|
||||
|
||||
This example demonstrates the NEW pattern for loading GR00T policies externally
|
||||
and passing them to the robot class.
|
||||
"""
|
||||
|
||||
import argparse
|
||||
import logging
|
||||
import threading
|
||||
import time
|
||||
from collections import deque
|
||||
|
||||
@@ -31,24 +24,26 @@ import onnxruntime as ort
|
||||
from huggingface_hub import hf_hub_download
|
||||
|
||||
from lerobot.robots.unitree_g1.config_unitree_g1 import UnitreeG1Config
|
||||
from lerobot.robots.unitree_g1.g1_utils import G1_29_JointIndex
|
||||
from lerobot.robots.unitree_g1.unitree_g1 import UnitreeG1
|
||||
|
||||
logging.basicConfig(level=logging.INFO)
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
GROOT_DEFAULT_ANGLES = np.zeros(29, dtype=np.float32)
|
||||
GROOT_DEFAULT_ANGLES[[0, 6]] = -0.1 # hip pitch
|
||||
GROOT_DEFAULT_ANGLES[[3, 9]] = 0.3 # knee
|
||||
GROOT_DEFAULT_ANGLES[[4, 10]] = -0.2 # ankle pitch
|
||||
GROOT_DEFAULT_ANGLES[[0, 6]] = -0.1 # Hip pitch
|
||||
GROOT_DEFAULT_ANGLES[[3, 9]] = 0.3 # Knee
|
||||
GROOT_DEFAULT_ANGLES[[4, 10]] = -0.2 # Ankle pitch
|
||||
|
||||
MISSING_JOINTS = []
|
||||
G1_MODEL = "g1_23" # or "g1_29"
|
||||
G1_MODEL = "g1_23" # Or "g1_29"
|
||||
if G1_MODEL == "g1_23":
|
||||
MISSING_JOINTS = [12, 14, 20, 21, 27, 28] # waist yaw/pitch, wrist pitch/yaw
|
||||
|
||||
LOCOMOTION_ACTION_SCALE = 0.25
|
||||
|
||||
LOCOMOTION_CONTROL_DT = 0.02
|
||||
MISSING_JOINTS = [12, 14, 20, 21, 27, 28] # Waist yaw/pitch, wrist pitch/yaw
|
||||
|
||||
# Control parameters
|
||||
ACTION_SCALE = 0.25
|
||||
CONTROL_DT = 0.02 # 50Hz
|
||||
ANG_VEL_SCALE: float = 0.25
|
||||
DOF_POS_SCALE: float = 1.0
|
||||
DOF_VEL_SCALE: float = 0.05
|
||||
@@ -61,12 +56,12 @@ DEFAULT_GROOT_REPO_ID = "nepyope/GR00T-WholeBodyControl_g1"
|
||||
def load_groot_policies(
|
||||
repo_id: str = DEFAULT_GROOT_REPO_ID,
|
||||
) -> tuple[ort.InferenceSession, ort.InferenceSession]:
|
||||
"""Load GR00T dual-policy system (Balance + Walk) from Hugging Face Hub.
|
||||
"""Load GR00T dual-policy system (Balance + Walk) from the hub.
|
||||
|
||||
Args:
|
||||
repo_id: Hugging Face Hub repository ID containing the ONNX policies.
|
||||
"""
|
||||
logger.info(f"Loading GR00T dual-policy system from Hugging Face Hub ({repo_id})...")
|
||||
logger.info(f"Loading GR00T dual-policy system from the hub ({repo_id})...")
|
||||
|
||||
# Download ONNX policies from Hugging Face Hub
|
||||
balance_path = hf_hub_download(
|
||||
@@ -88,15 +83,7 @@ def load_groot_policies(
|
||||
|
||||
|
||||
class GrootLocomotionController:
|
||||
"""
|
||||
Handles GR00T-style locomotion control for the Unitree G1 robot.
|
||||
|
||||
This controller manages:
|
||||
- Dual-policy system (Balance + Walk)
|
||||
- 29-joint observation processing
|
||||
- 15D action output (legs + waist)
|
||||
- Policy inference and motor command generation
|
||||
"""
|
||||
"""GR00T lower-body locomotion controller for the Unitree G1."""
|
||||
|
||||
def __init__(self, policy_balance, policy_walk, robot, config):
|
||||
self.policy_balance = policy_balance
|
||||
@@ -104,9 +91,9 @@ class GrootLocomotionController:
|
||||
self.robot = robot
|
||||
self.config = config
|
||||
|
||||
self.locomotion_cmd = np.array([0.0, 0.0, 0.0], dtype=np.float32) # vx, vy, theta_dot
|
||||
self.cmd = np.array([0.0, 0.0, 0.0], dtype=np.float32) # vx, vy, theta_dot
|
||||
|
||||
# GR00T-specific state
|
||||
# Robot state
|
||||
self.groot_qj_all = np.zeros(29, dtype=np.float32)
|
||||
self.groot_dqj_all = np.zeros(29, dtype=np.float32)
|
||||
self.groot_action = np.zeros(15, dtype=np.float32)
|
||||
@@ -116,24 +103,20 @@ class GrootLocomotionController:
|
||||
self.groot_height_cmd = 0.74 # Default base height
|
||||
self.groot_orientation_cmd = np.array([0.0, 0.0, 0.0], dtype=np.float32)
|
||||
|
||||
# input to gr00t is 6 frames (6*86D=516)
|
||||
# Input to GR00T is 6 frames (6*86D=516)
|
||||
for _ in range(6):
|
||||
self.groot_obs_history.append(np.zeros(86, dtype=np.float32))
|
||||
|
||||
# Thread management
|
||||
self.locomotion_running = False
|
||||
self.locomotion_thread = None
|
||||
|
||||
logger.info("GrootLocomotionController initialized")
|
||||
|
||||
def groot_locomotion_run(self):
|
||||
# get current observation
|
||||
def run_step(self):
|
||||
# Get current observation
|
||||
robot_state = self.robot.get_observation()
|
||||
|
||||
if robot_state is None:
|
||||
return
|
||||
|
||||
# get command from remote controller
|
||||
# Get command from remote controller
|
||||
if robot_state.wireless_remote is not None:
|
||||
self.robot.remote_controller.set(robot_state.wireless_remote)
|
||||
if self.robot.remote_controller.button[0]: # R1 - raise waist
|
||||
@@ -148,15 +131,16 @@ class GrootLocomotionController:
|
||||
self.robot.remote_controller.rx = 0.0
|
||||
self.robot.remote_controller.ry = 0.0
|
||||
|
||||
self.locomotion_cmd[0] = self.robot.remote_controller.ly # forward/backward
|
||||
self.locomotion_cmd[1] = self.robot.remote_controller.lx * -1 # left/right
|
||||
self.locomotion_cmd[2] = self.robot.remote_controller.rx * -1 # rotation rate
|
||||
self.cmd[0] = self.robot.remote_controller.ly # Forward/backward
|
||||
self.cmd[1] = self.robot.remote_controller.lx * -1 # Left/right
|
||||
self.cmd[2] = self.robot.remote_controller.rx * -1 # Rotation rate
|
||||
|
||||
# Get joint positions and velocities
|
||||
for i in range(29):
|
||||
self.groot_qj_all[i] = robot_state.motor_state[i].q
|
||||
self.groot_dqj_all[i] = robot_state.motor_state[i].dq
|
||||
|
||||
# adapt observation for g1_23dof
|
||||
# Adapt observation for g1_23dof
|
||||
for idx in MISSING_JOINTS:
|
||||
self.groot_qj_all[idx] = 0.0
|
||||
self.groot_dqj_all[idx] = 0.0
|
||||
@@ -165,18 +149,18 @@ class GrootLocomotionController:
|
||||
qj_obs = self.groot_qj_all.copy()
|
||||
dqj_obs = self.groot_dqj_all.copy()
|
||||
|
||||
# express imu data in gravity frame of reference
|
||||
# Express IMU data in gravity frame of reference
|
||||
quat = robot_state.imu_state.quaternion
|
||||
ang_vel = np.array(robot_state.imu_state.gyroscope, dtype=np.float32)
|
||||
gravity_orientation = self.robot.get_gravity_orientation(quat)
|
||||
|
||||
# scale joint positions and velocities before policy inference
|
||||
# Scale joint positions and velocities before policy inference
|
||||
qj_obs = (qj_obs - GROOT_DEFAULT_ANGLES) * DOF_POS_SCALE
|
||||
dqj_obs = dqj_obs * DOF_VEL_SCALE
|
||||
ang_vel_scaled = ang_vel * ANG_VEL_SCALE
|
||||
|
||||
# build single frame observation
|
||||
self.groot_obs_single[:3] = self.locomotion_cmd * np.array(CMD_SCALE)
|
||||
# Build single frame observation
|
||||
self.groot_obs_single[:3] = self.cmd * np.array(CMD_SCALE)
|
||||
self.groot_obs_single[3] = self.groot_height_cmd
|
||||
self.groot_obs_single[4:7] = self.groot_orientation_cmd
|
||||
self.groot_obs_single[7:10] = ang_vel_scaled
|
||||
@@ -194,113 +178,74 @@ class GrootLocomotionController:
|
||||
end_idx = start_idx + 86
|
||||
self.groot_obs_stacked[start_idx:end_idx] = obs_frame
|
||||
|
||||
# Run policy inference (ONNX) with 516D stacked observation
|
||||
|
||||
cmd_magnitude = np.linalg.norm(self.locomotion_cmd)
|
||||
|
||||
cmd_magnitude = np.linalg.norm(self.cmd)
|
||||
selected_policy = (
|
||||
self.policy_balance if cmd_magnitude < 0.05 else self.policy_walk
|
||||
) # balance/standing policy for small commands, walking policy for movement commands
|
||||
) # Balance/standing policy for small commands, walking policy for movement commands
|
||||
|
||||
# run policy inference
|
||||
# Run policy inference
|
||||
ort_inputs = {selected_policy.get_inputs()[0].name: np.expand_dims(self.groot_obs_stacked, axis=0)}
|
||||
ort_outs = selected_policy.run(None, ort_inputs)
|
||||
self.groot_action = ort_outs[0].squeeze()
|
||||
|
||||
# transform action back to target joint positions
|
||||
target_dof_pos_15 = GROOT_DEFAULT_ANGLES[:15] + self.groot_action * LOCOMOTION_ACTION_SCALE
|
||||
# Transform action back to target joint positions
|
||||
target_dof_pos_15 = GROOT_DEFAULT_ANGLES[:15] + self.groot_action * ACTION_SCALE
|
||||
|
||||
# command motors
|
||||
# Build action dict (only first 15 joints for GR00T)
|
||||
action_dict = {}
|
||||
for i in range(15):
|
||||
motor_idx = i
|
||||
self.robot.msg.motor_cmd[motor_idx].q = target_dof_pos_15[i]
|
||||
self.robot.msg.motor_cmd[motor_idx].qd = 0
|
||||
self.robot.msg.motor_cmd[motor_idx].kp = self.robot.kp[motor_idx]
|
||||
self.robot.msg.motor_cmd[motor_idx].kd = self.robot.kd[motor_idx]
|
||||
self.robot.msg.motor_cmd[motor_idx].tau = 0
|
||||
motor_name = G1_29_JointIndex(i).name
|
||||
action_dict[f"{motor_name}.q"] = float(target_dof_pos_15[i])
|
||||
|
||||
# adapt action for g1_23dof
|
||||
# Zero out missing joints for g1_23dof
|
||||
for joint_idx in MISSING_JOINTS:
|
||||
self.robot.msg.motor_cmd[joint_idx].q = 0.0
|
||||
self.robot.msg.motor_cmd[joint_idx].qd = 0
|
||||
self.robot.msg.motor_cmd[joint_idx].kp = self.robot.kp[joint_idx]
|
||||
self.robot.msg.motor_cmd[joint_idx].kd = self.robot.kd[joint_idx]
|
||||
self.robot.msg.motor_cmd[joint_idx].tau = 0
|
||||
motor_name = G1_29_JointIndex(joint_idx).name
|
||||
action_dict[f"{motor_name}.q"] = 0.0
|
||||
|
||||
# send action to robot
|
||||
self.robot.send_action(self.robot.msg)
|
||||
# Send action to robot
|
||||
self.robot.send_action(action_dict)
|
||||
|
||||
def _locomotion_thread_loop(self):
|
||||
"""Background thread that runs the locomotion policy at specified rate."""
|
||||
logger.info("Locomotion thread started")
|
||||
while self.locomotion_running:
|
||||
|
||||
def run(repo_id: str = DEFAULT_GROOT_REPO_ID) -> None:
|
||||
"""Main function to run the GR00T locomotion controller.
|
||||
|
||||
Args:
|
||||
repo_id: Hugging Face Hub repository ID for GR00T policies.
|
||||
"""
|
||||
# Load policies
|
||||
policy_balance, policy_walk = load_groot_policies(repo_id=repo_id)
|
||||
|
||||
# Initialize robot
|
||||
config = UnitreeG1Config()
|
||||
robot = UnitreeG1(config)
|
||||
|
||||
# Initialize gr00T locomotion controller
|
||||
groot_controller = GrootLocomotionController(
|
||||
policy_balance=policy_balance,
|
||||
policy_walk=policy_walk,
|
||||
robot=robot,
|
||||
config=config,
|
||||
)
|
||||
|
||||
try:
|
||||
robot.reset(CONTROL_DT, GROOT_DEFAULT_ANGLES)
|
||||
|
||||
logger.info("Use joystick: LY=fwd/back, LX=left/right, RX=rotate, R1=raise waist, R2=lower waist")
|
||||
logger.info("Press Ctrl+C to stop")
|
||||
|
||||
# Run step
|
||||
while True:
|
||||
start_time = time.time()
|
||||
try:
|
||||
self.groot_locomotion_run()
|
||||
except Exception as e:
|
||||
logger.error(f"Error in locomotion loop: {e}")
|
||||
|
||||
# Sleep to maintain control rate
|
||||
groot_controller.run_step()
|
||||
elapsed = time.time() - start_time
|
||||
sleep_time = max(0, LOCOMOTION_CONTROL_DT - elapsed)
|
||||
sleep_time = max(0, CONTROL_DT - elapsed)
|
||||
time.sleep(sleep_time)
|
||||
logger.info("Locomotion thread stopped")
|
||||
|
||||
def start_locomotion_thread(self):
|
||||
if self.locomotion_running:
|
||||
logger.warning("Locomotion thread already running")
|
||||
return
|
||||
|
||||
logger.info("Starting locomotion control thread...")
|
||||
self.locomotion_running = True
|
||||
self.locomotion_thread = threading.Thread(target=self._locomotion_thread_loop, daemon=True)
|
||||
self.locomotion_thread.start()
|
||||
|
||||
logger.info("Locomotion control thread started!")
|
||||
|
||||
def stop_locomotion_thread(self):
|
||||
if not self.locomotion_running:
|
||||
return
|
||||
|
||||
logger.info("Stopping locomotion control thread...")
|
||||
self.locomotion_running = False
|
||||
if self.locomotion_thread:
|
||||
self.locomotion_thread.join(timeout=2.0)
|
||||
logger.info("Locomotion control thread stopped")
|
||||
|
||||
def reset_robot(self):
|
||||
"""Move robot legs to default standing position over 2 seconds (arms are not moved)."""
|
||||
total_time = 3.0
|
||||
num_step = int(total_time / self.robot.control_dt)
|
||||
|
||||
# Only control legs, not arms (first 12 joints)
|
||||
default_pos = GROOT_DEFAULT_ANGLES # First 12 values are leg angles
|
||||
dof_size = len(default_pos)
|
||||
|
||||
# Get current lowstate
|
||||
robot_state = self.robot.get_observation()
|
||||
|
||||
# Record the current leg positions
|
||||
init_dof_pos = np.zeros(dof_size, dtype=np.float32)
|
||||
for i in range(dof_size):
|
||||
init_dof_pos[i] = robot_state.motor_state[i].q
|
||||
|
||||
# Move legs to default pos
|
||||
for i in range(num_step):
|
||||
alpha = i / num_step
|
||||
for motor_idx in range(dof_size):
|
||||
target_pos = default_pos[motor_idx]
|
||||
self.robot.msg.motor_cmd[motor_idx].q = (
|
||||
init_dof_pos[motor_idx] * (1 - alpha) + target_pos * alpha
|
||||
)
|
||||
self.robot.msg.motor_cmd[motor_idx].qd = 0
|
||||
self.robot.msg.motor_cmd[motor_idx].kp = self.robot.kp[motor_idx]
|
||||
self.robot.msg.motor_cmd[motor_idx].kd = self.robot.kd[motor_idx]
|
||||
self.robot.msg.motor_cmd[motor_idx].tau = 0
|
||||
self.robot.msg.crc = self.robot.crc.Crc(self.robot.msg)
|
||||
self.robot.lowcmd_publisher.Write(self.robot.msg)
|
||||
time.sleep(self.robot.control_dt)
|
||||
logger.info("Reached default position (legs only)")
|
||||
except KeyboardInterrupt:
|
||||
logger.info("Stopping locomotion...")
|
||||
finally:
|
||||
if robot.is_connected:
|
||||
robot.disconnect()
|
||||
logger.info("Done!")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
@@ -313,35 +258,4 @@ if __name__ == "__main__":
|
||||
)
|
||||
args = parser.parse_args()
|
||||
|
||||
# load policies
|
||||
policy_balance, policy_walk = load_groot_policies(repo_id=args.repo_id)
|
||||
|
||||
# initialize robot
|
||||
config = UnitreeG1Config()
|
||||
robot = UnitreeG1(config)
|
||||
|
||||
# initialize gr00t locomotion controller
|
||||
groot_controller = GrootLocomotionController(
|
||||
policy_balance=policy_balance,
|
||||
policy_walk=policy_walk,
|
||||
robot=robot,
|
||||
config=config,
|
||||
)
|
||||
|
||||
# reset legs and start locomotion thread
|
||||
try:
|
||||
groot_controller.reset_robot()
|
||||
groot_controller.start_locomotion_thread()
|
||||
|
||||
# log status
|
||||
logger.info("Robot initialized with GR00T locomotion policies")
|
||||
logger.info("Locomotion controller running in background thread")
|
||||
logger.info("Press Ctrl+C to stop")
|
||||
|
||||
# keep robot alive
|
||||
while True:
|
||||
time.sleep(1.0)
|
||||
except KeyboardInterrupt:
|
||||
print("\nStopping locomotion...")
|
||||
groot_controller.stop_locomotion_thread()
|
||||
print("Done!")
|
||||
run(repo_id=args.repo_id)
|
||||
|
||||
@@ -0,0 +1,264 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
# Copyright 2025 The HuggingFace Inc. team. All rights reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
import argparse
|
||||
import json
|
||||
import logging
|
||||
import time
|
||||
|
||||
import numpy as np
|
||||
import onnx
|
||||
import onnxruntime as ort
|
||||
from huggingface_hub import hf_hub_download
|
||||
|
||||
from lerobot.robots.unitree_g1.config_unitree_g1 import UnitreeG1Config
|
||||
from lerobot.robots.unitree_g1.g1_utils import G1_29_JointIndex
|
||||
from lerobot.robots.unitree_g1.unitree_g1 import UnitreeG1
|
||||
|
||||
logging.basicConfig(level=logging.INFO)
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
DEFAULT_ANGLES = np.zeros(29, dtype=np.float32)
|
||||
DEFAULT_ANGLES[[0, 6]] = -0.312 # Hip pitch
|
||||
DEFAULT_ANGLES[[3, 9]] = 0.669 # Knee
|
||||
DEFAULT_ANGLES[[4, 10]] = -0.363 # Ankle pitch
|
||||
DEFAULT_ANGLES[[15, 22]] = 0.2 # Shoulder pitch
|
||||
DEFAULT_ANGLES[16] = 0.2 # Left shoulder roll
|
||||
DEFAULT_ANGLES[23] = -0.2 # Right shoulder roll
|
||||
DEFAULT_ANGLES[[18, 25]] = 0.6 # Elbow
|
||||
|
||||
MISSING_JOINTS = []
|
||||
G1_MODEL = "g1_23" # Or "g1_29"
|
||||
if G1_MODEL == "g1_23":
|
||||
MISSING_JOINTS = [12, 14, 20, 21, 27, 28] # Waist yaw/pitch, wrist pitch/yaw
|
||||
|
||||
# Control parameters
|
||||
ACTION_SCALE = 0.25
|
||||
CONTROL_DT = 0.02 # 50Hz
|
||||
ANG_VEL_SCALE = 0.25
|
||||
DOF_POS_SCALE = 1.0
|
||||
DOF_VEL_SCALE = 0.05
|
||||
GAIT_PERIOD = 1.0
|
||||
|
||||
|
||||
DEFAULT_HOLOSOMA_REPO_ID = "nepyope/holosoma_locomotion"
|
||||
|
||||
# Policy filename mapping
|
||||
POLICY_FILES = {
|
||||
"fastsac": "fastsac_g1_29dof.onnx",
|
||||
"ppo": "ppo_g1_29dof.onnx",
|
||||
}
|
||||
|
||||
|
||||
def load_policy(
|
||||
repo_id: str = DEFAULT_HOLOSOMA_REPO_ID,
|
||||
policy_type: str = "fastsac",
|
||||
) -> tuple[ort.InferenceSession, np.ndarray, np.ndarray]:
|
||||
"""Load Holosoma locomotion policy and extract KP/KD from metadata.
|
||||
|
||||
Args:
|
||||
repo_id: Hugging Face Hub repo ID
|
||||
policy_type: Either "fastsac" (default) or "ppo"
|
||||
|
||||
Returns:
|
||||
(policy, kp, kd) tuple
|
||||
"""
|
||||
if policy_type not in POLICY_FILES:
|
||||
raise ValueError(f"Unknown policy type: {policy_type}. Choose from: {list(POLICY_FILES.keys())}")
|
||||
|
||||
filename = POLICY_FILES[policy_type]
|
||||
logger.info(f"Loading {policy_type.upper()} policy from: {repo_id}/{filename}")
|
||||
policy_path = hf_hub_download(repo_id=repo_id, filename=filename)
|
||||
|
||||
policy = ort.InferenceSession(policy_path)
|
||||
logger.info(f"Policy loaded: {policy.get_inputs()[0].shape} → {policy.get_outputs()[0].shape}")
|
||||
|
||||
# Extract KP/KD from ONNX metadata
|
||||
model = onnx.load(policy_path)
|
||||
metadata = {prop.key: prop.value for prop in model.metadata_props}
|
||||
|
||||
if "kp" not in metadata or "kd" not in metadata:
|
||||
raise ValueError("ONNX model must contain 'kp' and 'kd' in metadata")
|
||||
|
||||
kp = np.array(json.loads(metadata["kp"]), dtype=np.float32)
|
||||
kd = np.array(json.loads(metadata["kd"]), dtype=np.float32)
|
||||
logger.info(f"Loaded KP/KD from ONNX ({len(kp)} joints)")
|
||||
|
||||
return policy, kp, kd
|
||||
|
||||
|
||||
class HolosomaLocomotionController:
|
||||
"""Holosoma whole-body locomotion controller for Unitree G1."""
|
||||
|
||||
def __init__(self, policy, robot, kp: np.ndarray, kd: np.ndarray):
|
||||
self.policy = policy
|
||||
self.robot = robot
|
||||
|
||||
# Override robot's PD gains with policy gains
|
||||
self.robot.kp = kp
|
||||
self.robot.kd = kd
|
||||
|
||||
self.cmd = np.zeros(3, dtype=np.float32)
|
||||
|
||||
# Robot state
|
||||
self.qj = np.zeros(29, dtype=np.float32)
|
||||
self.dqj = np.zeros(29, dtype=np.float32)
|
||||
self.obs = np.zeros(100, dtype=np.float32)
|
||||
self.last_action = np.zeros(29, dtype=np.float32)
|
||||
|
||||
# Gait phase
|
||||
self.phase = np.array([[0.0, np.pi]], dtype=np.float32)
|
||||
self.phase_dt = 2 * np.pi / ((1.0 / CONTROL_DT) * GAIT_PERIOD)
|
||||
self.is_standing = True
|
||||
|
||||
def run_step(self):
|
||||
# Get current observation
|
||||
robot_state = self.robot.get_observation()
|
||||
|
||||
if robot_state is None:
|
||||
return
|
||||
|
||||
# Get command from remote controller
|
||||
if robot_state.wireless_remote is not None:
|
||||
self.robot.remote_controller.set(robot_state.wireless_remote)
|
||||
|
||||
ly = self.robot.remote_controller.ly if abs(self.robot.remote_controller.ly) > 0.1 else 0.0
|
||||
lx = self.robot.remote_controller.lx if abs(self.robot.remote_controller.lx) > 0.1 else 0.0
|
||||
rx = self.robot.remote_controller.rx if abs(self.robot.remote_controller.rx) > 0.1 else 0.0
|
||||
self.cmd[:] = [ly, -lx, -rx]
|
||||
|
||||
# Get joint positions and velocities
|
||||
for i in range(29):
|
||||
self.qj[i] = robot_state.motor_state[i].q
|
||||
self.dqj[i] = robot_state.motor_state[i].dq
|
||||
|
||||
# Adapt observation for g1_23dof
|
||||
for idx in MISSING_JOINTS:
|
||||
self.qj[idx] = 0.0
|
||||
self.dqj[idx] = 0.0
|
||||
|
||||
# Express IMU data in gravity frame of reference
|
||||
quat = robot_state.imu_state.quaternion
|
||||
ang_vel = np.array(robot_state.imu_state.gyroscope, dtype=np.float32)
|
||||
gravity = self.robot.get_gravity_orientation(quat)
|
||||
|
||||
# Scale joint positions and velocities before policy inference
|
||||
qj_obs = (self.qj - DEFAULT_ANGLES) * DOF_POS_SCALE
|
||||
dqj_obs = self.dqj * DOF_VEL_SCALE
|
||||
ang_vel_s = ang_vel * ANG_VEL_SCALE
|
||||
|
||||
# Update gait phase
|
||||
if np.linalg.norm(self.cmd[:2]) < 0.01 and abs(self.cmd[2]) < 0.01:
|
||||
self.phase[0, :] = np.pi
|
||||
self.is_standing = True
|
||||
elif self.is_standing:
|
||||
self.phase = np.array([[0.0, np.pi]], dtype=np.float32)
|
||||
self.is_standing = False
|
||||
else:
|
||||
self.phase = np.fmod(self.phase + self.phase_dt + np.pi, 2 * np.pi) - np.pi
|
||||
|
||||
sin_ph = np.sin(self.phase[0])
|
||||
cos_ph = np.cos(self.phase[0])
|
||||
|
||||
# Build observations
|
||||
self.obs[0:29] = self.last_action
|
||||
self.obs[29:32] = ang_vel_s
|
||||
self.obs[32] = self.cmd[2]
|
||||
self.obs[33:35] = self.cmd[:2]
|
||||
self.obs[35:37] = cos_ph
|
||||
self.obs[37:66] = qj_obs
|
||||
self.obs[66:95] = dqj_obs
|
||||
self.obs[95:98] = gravity
|
||||
self.obs[98:100] = sin_ph
|
||||
|
||||
# Run policy inference
|
||||
ort_in = {self.policy.get_inputs()[0].name: self.obs.reshape(1, -1).astype(np.float32)}
|
||||
raw_action = self.policy.run(None, ort_in)[0].squeeze()
|
||||
action = np.clip(raw_action, -100.0, 100.0)
|
||||
self.last_action = action.copy()
|
||||
|
||||
# Transform action back to target joint positions
|
||||
target = DEFAULT_ANGLES + action * ACTION_SCALE
|
||||
|
||||
# Build action dict
|
||||
action_dict = {}
|
||||
for motor in G1_29_JointIndex:
|
||||
action_dict[f"{motor.name}.q"] = float(target[motor.value])
|
||||
|
||||
# Zero out missing joints for g1_23dof
|
||||
for joint_idx in MISSING_JOINTS:
|
||||
motor_name = G1_29_JointIndex(joint_idx).name
|
||||
action_dict[f"{motor_name}.q"] = 0.0
|
||||
|
||||
# Send action to robot
|
||||
self.robot.send_action(action_dict)
|
||||
|
||||
|
||||
def run(repo_id: str = DEFAULT_HOLOSOMA_REPO_ID, policy_type: str = "fastsac") -> None:
|
||||
"""Main function to run the Holosoma locomotion controller.
|
||||
|
||||
Args:
|
||||
repo_id: Hugging Face Hub repository ID for Holosoma policies.
|
||||
policy_type: Policy type to use ('fastsac' or 'ppo').
|
||||
"""
|
||||
# Load policy and gains
|
||||
policy, kp, kd = load_policy(repo_id=repo_id, policy_type=policy_type)
|
||||
|
||||
# Initialize robot
|
||||
config = UnitreeG1Config()
|
||||
robot = UnitreeG1(config)
|
||||
|
||||
holosoma_controller = HolosomaLocomotionController(policy, robot, kp, kd)
|
||||
|
||||
try:
|
||||
robot.reset(CONTROL_DT, DEFAULT_ANGLES)
|
||||
|
||||
logger.info("Use joystick: LY=fwd/back, LX=left/right, RX=rotate")
|
||||
logger.info("Press Ctrl+C to stop")
|
||||
|
||||
# Run step
|
||||
while True:
|
||||
start_time = time.time()
|
||||
holosoma_controller.run_step()
|
||||
elapsed = time.time() - start_time
|
||||
sleep_time = max(0, CONTROL_DT - elapsed)
|
||||
time.sleep(sleep_time)
|
||||
except KeyboardInterrupt:
|
||||
logger.info("Stopping locomotion...")
|
||||
finally:
|
||||
if robot.is_connected:
|
||||
robot.disconnect()
|
||||
logger.info("Done!")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
parser = argparse.ArgumentParser(description="Holosoma Locomotion Controller for Unitree G1")
|
||||
parser.add_argument(
|
||||
"--repo-id",
|
||||
type=str,
|
||||
default=DEFAULT_HOLOSOMA_REPO_ID,
|
||||
help=f"Hugging Face Hub repo ID for Holosoma policies (default: {DEFAULT_HOLOSOMA_REPO_ID})",
|
||||
)
|
||||
parser.add_argument(
|
||||
"--policy",
|
||||
type=str,
|
||||
choices=["fastsac", "ppo"],
|
||||
default="fastsac",
|
||||
help="Policy type to use: 'fastsac' (default) or 'ppo'",
|
||||
)
|
||||
args = parser.parse_args()
|
||||
|
||||
run(repo_id=args.repo_id, policy_type=args.policy)
|
||||
Reference in New Issue
Block a user