mirror of
https://github.com/huggingface/lerobot.git
synced 2026-05-16 17:20:05 +00:00
add pid ramp
This commit is contained in:
@@ -0,0 +1,395 @@
|
||||
"""
|
||||
OpenArms Dataset Recording with Gravity + Friction Compensation
|
||||
|
||||
Records a dataset using OpenArms follower robot with leader teleoperator.
|
||||
Leader arms have gravity and friction compensation for weightless, easy movement.
|
||||
Includes 3 cameras: left wrist, right wrist, and base camera.
|
||||
|
||||
Uses the same compensation approach as teleop_with_compensation.py
|
||||
"""
|
||||
|
||||
import shutil
|
||||
import time
|
||||
from pathlib import Path
|
||||
|
||||
import numpy as np
|
||||
|
||||
from lerobot.cameras.opencv.configuration_opencv import OpenCVCameraConfig
|
||||
from lerobot.datasets.lerobot_dataset import LeRobotDataset
|
||||
from lerobot.datasets.utils import build_dataset_frame, hw_to_dataset_features
|
||||
from lerobot.robots.openarms.config_openarms_follower import OpenArmsFollowerConfig
|
||||
from lerobot.robots.openarms.openarms_follower import OpenArmsFollower
|
||||
from lerobot.teleoperators.openarms.config_openarms_leader import OpenArmsLeaderConfig
|
||||
from lerobot.teleoperators.openarms.openarms_leader import OpenArmsLeader
|
||||
from lerobot.utils.control_utils import init_keyboard_listener
|
||||
from lerobot.utils.utils import log_say
|
||||
from lerobot.utils.visualization_utils import init_rerun, log_rerun_data
|
||||
|
||||
# Recording parameters
|
||||
NUM_EPISODES = 1
|
||||
FPS = 30
|
||||
EPISODE_TIME_SEC = 600
|
||||
RESET_TIME_SEC = 120
|
||||
TASK_DESCRIPTION = "OpenArms task description"
|
||||
|
||||
# Friction compensation scale factor (1.0 = full, 0.3 = 30% for stability)
|
||||
FRICTION_SCALE = 1.0
|
||||
|
||||
def record_loop_with_compensation(
|
||||
robot,
|
||||
leader,
|
||||
events,
|
||||
fps,
|
||||
dataset,
|
||||
dataset_features,
|
||||
control_time_s,
|
||||
single_task,
|
||||
display_data=True,
|
||||
):
|
||||
"""
|
||||
Custom record loop that applies gravity + friction compensation to leader.
|
||||
Based on record_loop but with integrated compensation.
|
||||
"""
|
||||
dt = 1 / fps
|
||||
episode_start_time = time.perf_counter()
|
||||
|
||||
# All joints (both arms)
|
||||
all_joints = []
|
||||
for motor in leader.bus_right.motors:
|
||||
all_joints.append(f"right_{motor}")
|
||||
for motor in leader.bus_left.motors:
|
||||
all_joints.append(f"left_{motor}")
|
||||
|
||||
while True:
|
||||
loop_start = time.perf_counter()
|
||||
elapsed = loop_start - episode_start_time
|
||||
|
||||
# Check if we should exit
|
||||
if elapsed >= control_time_s or events["exit_early"] or events["stop_recording"]:
|
||||
break
|
||||
|
||||
# Get leader state
|
||||
leader_action = leader.get_action()
|
||||
|
||||
# Extract positions and velocities in degrees
|
||||
leader_positions_deg = {}
|
||||
leader_velocities_deg_per_sec = {}
|
||||
|
||||
for motor in leader.bus_right.motors:
|
||||
pos_key = f"right_{motor}.pos"
|
||||
vel_key = f"right_{motor}.vel"
|
||||
if pos_key in leader_action:
|
||||
leader_positions_deg[f"right_{motor}"] = leader_action[pos_key]
|
||||
if vel_key in leader_action:
|
||||
leader_velocities_deg_per_sec[f"right_{motor}"] = leader_action[vel_key]
|
||||
|
||||
for motor in leader.bus_left.motors:
|
||||
pos_key = f"left_{motor}.pos"
|
||||
vel_key = f"left_{motor}.vel"
|
||||
if pos_key in leader_action:
|
||||
leader_positions_deg[f"left_{motor}"] = leader_action[pos_key]
|
||||
if vel_key in leader_action:
|
||||
leader_velocities_deg_per_sec[f"left_{motor}"] = leader_action[vel_key]
|
||||
|
||||
# Calculate gravity torques for leader using built-in method
|
||||
leader_positions_rad = {k: np.deg2rad(v) for k, v in leader_positions_deg.items()}
|
||||
leader_gravity_torques_nm = leader._gravity_from_q(leader_positions_rad)
|
||||
|
||||
# Calculate friction torques for leader using built-in method
|
||||
leader_velocities_rad_per_sec = {k: np.deg2rad(v) for k, v in leader_velocities_deg_per_sec.items()}
|
||||
leader_friction_torques_nm = leader._friction_from_velocity(
|
||||
leader_velocities_rad_per_sec,
|
||||
friction_scale=FRICTION_SCALE
|
||||
)
|
||||
|
||||
# Combine gravity + friction torques
|
||||
leader_total_torques_nm = {}
|
||||
for motor_name in leader_gravity_torques_nm:
|
||||
gravity = leader_gravity_torques_nm.get(motor_name, 0.0)
|
||||
friction = leader_friction_torques_nm.get(motor_name, 0.0)
|
||||
leader_total_torques_nm[motor_name] = gravity + friction
|
||||
|
||||
# Apply gravity + friction compensation to leader RIGHT arm (all joints including gripper)
|
||||
for motor in leader.bus_right.motors:
|
||||
full_name = f"right_{motor}"
|
||||
position = leader_positions_deg.get(full_name, 0.0)
|
||||
torque = leader_total_torques_nm.get(full_name, 0.0)
|
||||
|
||||
# Get damping gain for stability
|
||||
kd = leader.get_damping_kd(motor)
|
||||
|
||||
leader.bus_right._mit_control(
|
||||
motor=motor,
|
||||
kp=0.0,
|
||||
kd=kd, # Add damping for stability
|
||||
position_degrees=position,
|
||||
velocity_deg_per_sec=0.0,
|
||||
torque=torque,
|
||||
)
|
||||
|
||||
# Apply gravity + friction compensation to leader LEFT arm (all joints including gripper)
|
||||
for motor in leader.bus_left.motors:
|
||||
full_name = f"left_{motor}"
|
||||
position = leader_positions_deg.get(full_name, 0.0)
|
||||
torque = leader_total_torques_nm.get(full_name, 0.0)
|
||||
|
||||
# Get damping gain for stability
|
||||
kd = leader.get_damping_kd(motor)
|
||||
|
||||
leader.bus_left._mit_control(
|
||||
motor=motor,
|
||||
kp=0.0,
|
||||
kd=kd, # Add damping for stability
|
||||
position_degrees=position,
|
||||
velocity_deg_per_sec=0.0,
|
||||
torque=torque,
|
||||
)
|
||||
|
||||
# Send leader positions to follower (both arms)
|
||||
follower_action = {}
|
||||
for joint in all_joints:
|
||||
pos_key = f"{joint}.pos"
|
||||
if pos_key in leader_action:
|
||||
follower_action[pos_key] = leader_action[pos_key]
|
||||
|
||||
# Send action to robot
|
||||
if follower_action:
|
||||
robot.send_action(follower_action)
|
||||
|
||||
# Get observation from robot (includes camera images)
|
||||
observation = robot.get_observation()
|
||||
|
||||
# Add to dataset if we have a dataset
|
||||
if dataset is not None:
|
||||
# Build properly formatted observation frame
|
||||
obs_frame = build_dataset_frame(dataset_features, observation, prefix="observation")
|
||||
|
||||
# Build properly formatted action frame (keep .pos suffix - it matches the feature names)
|
||||
action_frame = build_dataset_frame(dataset_features, follower_action, prefix="action")
|
||||
|
||||
# Combine into single frame
|
||||
frame = {**obs_frame, **action_frame}
|
||||
|
||||
# Add metadata (task is required, timestamp will be auto-calculated by add_frame)
|
||||
frame["task"] = single_task
|
||||
|
||||
dataset.add_frame(frame)
|
||||
|
||||
# Display data if requested
|
||||
if display_data:
|
||||
log_rerun_data(observation=observation, action=follower_action)
|
||||
|
||||
# Maintain loop rate
|
||||
loop_duration = time.perf_counter() - loop_start
|
||||
sleep_time = dt - loop_duration
|
||||
if sleep_time > 0:
|
||||
time.sleep(sleep_time)
|
||||
|
||||
|
||||
def main():
|
||||
"""Main recording loop with gravity compensation."""
|
||||
|
||||
print("=" * 70)
|
||||
print("OpenArms Dataset Recording with Compensation")
|
||||
print("=" * 70)
|
||||
|
||||
# Create camera configurations (3 cameras: left wrist, right wrist, base)
|
||||
# Using actual device paths found by lerobot-find-cameras opencv
|
||||
camera_config = {
|
||||
"left_wrist": OpenCVCameraConfig(index_or_path="/dev/video0", width=640, height=480, fps=FPS),
|
||||
"right_wrist": OpenCVCameraConfig(index_or_path="/dev/video1", width=640, height=480, fps=FPS),
|
||||
"base": OpenCVCameraConfig(index_or_path="/dev/video7", width=640, height=480, fps=FPS),
|
||||
}
|
||||
|
||||
# Configure follower robot with cameras
|
||||
follower_config = OpenArmsFollowerConfig(
|
||||
port_left="can2",
|
||||
port_right="can3",
|
||||
can_interface="socketcan",
|
||||
id="openarms_follower",
|
||||
disable_torque_on_disconnect=True,
|
||||
max_relative_target=10.0,
|
||||
cameras=camera_config,
|
||||
)
|
||||
|
||||
# Configure leader teleoperator (no cameras needed)
|
||||
leader_config = OpenArmsLeaderConfig(
|
||||
port_left="can0",
|
||||
port_right="can1",
|
||||
can_interface="socketcan",
|
||||
id="openarms_leader",
|
||||
manual_control=False, # Enable torque control for gravity compensation
|
||||
)
|
||||
|
||||
# Initialize robot and teleoperator
|
||||
print("\nInitializing devices...")
|
||||
follower = OpenArmsFollower(follower_config)
|
||||
leader = OpenArmsLeader(leader_config)
|
||||
|
||||
# Connect devices
|
||||
print("Connecting and calibrating...")
|
||||
follower.connect(calibrate=True)
|
||||
leader.connect(calibrate=True)
|
||||
|
||||
# Verify URDF is loaded for gravity compensation
|
||||
if leader.pin_robot is None:
|
||||
raise RuntimeError("URDF model not loaded on leader. Gravity compensation not available.")
|
||||
|
||||
# Configure the dataset features
|
||||
# For actions, we only want to record positions (not velocity or torque)
|
||||
action_features_hw = {}
|
||||
for key, value in follower.action_features.items():
|
||||
if key.endswith(".pos"):
|
||||
action_features_hw[key] = value
|
||||
|
||||
action_features = hw_to_dataset_features(action_features_hw, "action")
|
||||
obs_features = hw_to_dataset_features(follower.observation_features, "observation")
|
||||
dataset_features = {**action_features, **obs_features}
|
||||
|
||||
# Create the dataset
|
||||
print("\nCreating dataset...")
|
||||
repo_id = "<hf_username>/<dataset_repo_id>" # TODO: Replace with your Hugging Face repo
|
||||
|
||||
# Check if dataset already exists and prompt user
|
||||
dataset_path = Path.home() / ".cache" / "huggingface" / "lerobot" / repo_id
|
||||
while dataset_path.exists():
|
||||
print(f"\nDataset already exists at: {dataset_path}")
|
||||
print("\nOptions:")
|
||||
print(" 1. Overwrite existing dataset")
|
||||
print(" 2. Use a different name")
|
||||
print(" 3. Abort")
|
||||
|
||||
choice = input("\nEnter your choice (1/2/3): ").strip()
|
||||
|
||||
if choice == '1':
|
||||
print(f"Removing existing dataset...")
|
||||
shutil.rmtree(dataset_path)
|
||||
print("✓ Existing dataset removed")
|
||||
break
|
||||
elif choice == '2':
|
||||
print("\nCurrent repo_id:", repo_id)
|
||||
new_repo_id = input("Enter new repo_id (format: <username>/<dataset_name>): ").strip()
|
||||
if new_repo_id and '/' in new_repo_id:
|
||||
repo_id = new_repo_id
|
||||
dataset_path = Path.home() / ".cache" / "huggingface" / "lerobot" / repo_id
|
||||
print(f"✓ Using new repo_id: {repo_id}")
|
||||
# Loop will continue if this new path also exists
|
||||
else:
|
||||
print("Invalid repo_id format. Please use format: <username>/<dataset_name>")
|
||||
elif choice == '3':
|
||||
print("Aborting. Please remove the existing dataset manually or restart with a different repo_id.")
|
||||
follower.disconnect()
|
||||
leader.disconnect()
|
||||
return
|
||||
else:
|
||||
print("Invalid choice. Please enter 1, 2, or 3.")
|
||||
|
||||
dataset = LeRobotDataset.create(
|
||||
repo_id=repo_id,
|
||||
fps=FPS,
|
||||
features=dataset_features,
|
||||
robot_type=follower.name,
|
||||
use_videos=True,
|
||||
image_writer_threads=4,
|
||||
)
|
||||
|
||||
# Initialize keyboard listener and visualization
|
||||
_, events = init_keyboard_listener()
|
||||
init_rerun(session_name="openarms_recording")
|
||||
|
||||
# Enable motors on both leader arms for gravity compensation
|
||||
leader.bus_right.enable_torque()
|
||||
leader.bus_left.enable_torque()
|
||||
time.sleep(0.1)
|
||||
|
||||
print("\n" + "=" * 70)
|
||||
print(f"Recording {NUM_EPISODES} episodes")
|
||||
print(f"Task: {TASK_DESCRIPTION}")
|
||||
print("=" * 70)
|
||||
print("\nLeader BOTH arms: Gravity + Friction comp | Follower BOTH arms: Teleop")
|
||||
print("\nKeyboard controls:")
|
||||
print(" - Press 'q' to stop recording")
|
||||
print(" - Press 'r' to re-record current episode")
|
||||
print("=" * 70)
|
||||
|
||||
episode_idx = 0
|
||||
|
||||
try:
|
||||
while episode_idx < NUM_EPISODES and not events["stop_recording"]:
|
||||
log_say(f"Recording episode {episode_idx + 1} of {NUM_EPISODES}")
|
||||
|
||||
# Record episode with compensation active
|
||||
record_loop_with_compensation(
|
||||
robot=follower,
|
||||
leader=leader,
|
||||
events=events,
|
||||
fps=FPS,
|
||||
dataset=dataset,
|
||||
dataset_features=dataset_features,
|
||||
control_time_s=EPISODE_TIME_SEC,
|
||||
single_task=TASK_DESCRIPTION,
|
||||
display_data=True,
|
||||
)
|
||||
|
||||
# Reset the environment if not stopping or re-recording
|
||||
if not events["stop_recording"] and (episode_idx < NUM_EPISODES - 1 or events["rerecord_episode"]):
|
||||
log_say("Reset the environment")
|
||||
record_loop_with_compensation(
|
||||
robot=follower,
|
||||
leader=leader,
|
||||
events=events,
|
||||
fps=FPS,
|
||||
dataset=None, # Don't save reset period
|
||||
dataset_features=dataset_features,
|
||||
control_time_s=RESET_TIME_SEC,
|
||||
single_task=TASK_DESCRIPTION,
|
||||
display_data=True,
|
||||
)
|
||||
|
||||
# Handle re-recording
|
||||
if events["rerecord_episode"]:
|
||||
log_say("Re-recording episode")
|
||||
events["rerecord_episode"] = False
|
||||
events["exit_early"] = False
|
||||
dataset.clear_episode_buffer()
|
||||
continue
|
||||
|
||||
# Only save episode if frames were recorded
|
||||
if dataset.episode_buffer is not None and dataset.episode_buffer["size"] > 0:
|
||||
dataset.save_episode()
|
||||
episode_idx += 1
|
||||
else:
|
||||
log_say("No frames recorded, skipping episode save")
|
||||
# Clear the empty buffer
|
||||
dataset.episode_buffer = None
|
||||
|
||||
except KeyboardInterrupt:
|
||||
print("\n\nStopping recording...")
|
||||
|
||||
finally:
|
||||
# Clean up
|
||||
log_say("Stop recording")
|
||||
try:
|
||||
leader.bus_right.disable_torque()
|
||||
leader.bus_left.disable_torque()
|
||||
time.sleep(0.1)
|
||||
leader.disconnect()
|
||||
follower.disconnect()
|
||||
print("✓ Shutdown complete")
|
||||
except Exception as e:
|
||||
print(f"Shutdown error: {e}")
|
||||
|
||||
# Upload dataset
|
||||
print("\nUploading dataset to Hugging Face Hub...")
|
||||
try:
|
||||
dataset.push_to_hub()
|
||||
print("✓ Dataset uploaded successfully")
|
||||
except Exception as e:
|
||||
print(f"Warning: Failed to upload dataset: {e}")
|
||||
print("You can manually upload later using: dataset.push_to_hub()")
|
||||
|
||||
print("✓ Recording complete!")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
@@ -0,0 +1,166 @@
|
||||
#!/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.
|
||||
|
||||
"""
|
||||
OpenArms Dataset Replay Example
|
||||
|
||||
Replays position actions from a recorded dataset on an OpenArms follower robot.
|
||||
Only position commands (ending with .pos) are replayed, not velocity or torque.
|
||||
|
||||
Example usage:
|
||||
python examples/openarms/replay.py
|
||||
"""
|
||||
|
||||
import time
|
||||
|
||||
from lerobot.datasets.lerobot_dataset import LeRobotDataset
|
||||
from lerobot.robots.openarms.config_openarms_follower import OpenArmsFollowerConfig
|
||||
from lerobot.robots.openarms.openarms_follower import OpenArmsFollower
|
||||
from lerobot.utils.constants import ACTION
|
||||
from lerobot.utils.robot_utils import busy_wait
|
||||
from lerobot.utils.utils import log_say
|
||||
|
||||
# Configuration
|
||||
EPISODE_IDX = 0
|
||||
DATASET_REPO_ID = "lerobot-data-collection/replay-this-2025-11-02-17-58" # TODO: Replace with your dataset
|
||||
DATASET_ROOT = None # Use default cache location, or specify custom path
|
||||
|
||||
# Robot configuration - adjust these to match your setup
|
||||
ROBOT_CONFIG = OpenArmsFollowerConfig(
|
||||
port_left="can2", # CAN interface for left arm
|
||||
port_right="can3", # CAN interface for right arm
|
||||
can_interface="socketcan",
|
||||
id="openarms_follower",
|
||||
disable_torque_on_disconnect=True,
|
||||
max_relative_target=10.0, # Safety limit: max degrees to move per step
|
||||
)
|
||||
|
||||
|
||||
def main():
|
||||
"""Main replay function."""
|
||||
print("=" * 70)
|
||||
print("OpenArms Dataset Replay")
|
||||
print("=" * 70)
|
||||
print(f"\nDataset: {DATASET_REPO_ID}")
|
||||
print(f"Episode: {EPISODE_IDX}")
|
||||
print(f"Robot: {ROBOT_CONFIG.id}")
|
||||
print(f" Left arm: {ROBOT_CONFIG.port_left}")
|
||||
print(f" Right arm: {ROBOT_CONFIG.port_right}")
|
||||
print("\n" + "=" * 70)
|
||||
|
||||
# Initialize the robot
|
||||
print("\n[1/3] Initializing robot...")
|
||||
robot = OpenArmsFollower(ROBOT_CONFIG)
|
||||
|
||||
# Load the dataset
|
||||
print(f"\n[2/3] Loading dataset '{DATASET_REPO_ID}'...")
|
||||
dataset = LeRobotDataset(
|
||||
DATASET_REPO_ID,
|
||||
root=DATASET_ROOT,
|
||||
episodes=[EPISODE_IDX]
|
||||
)
|
||||
|
||||
# Filter dataset to only include frames from the specified episode
|
||||
# (required for dataset V3.0 where episodes are chunked)
|
||||
episode_frames = dataset.hf_dataset.filter(
|
||||
lambda x: x["episode_index"] == EPISODE_IDX
|
||||
)
|
||||
|
||||
if len(episode_frames) == 0:
|
||||
raise ValueError(
|
||||
f"No frames found for episode {EPISODE_IDX} in dataset {DATASET_REPO_ID}"
|
||||
)
|
||||
|
||||
print(f" Found {len(episode_frames)} frames in episode {EPISODE_IDX}")
|
||||
|
||||
# Extract action features from dataset
|
||||
action_features = dataset.features.get(ACTION, {})
|
||||
action_names = action_features.get("names", [])
|
||||
|
||||
# Filter to only position actions (ending with .pos)
|
||||
position_action_names = [name for name in action_names if name.endswith(".pos")]
|
||||
|
||||
if not position_action_names:
|
||||
raise ValueError(
|
||||
f"No position actions found in dataset. Action names: {action_names}"
|
||||
)
|
||||
|
||||
print(f" Found {len(position_action_names)} position actions to replay")
|
||||
print(f" Actions: {', '.join(position_action_names[:5])}{'...' if len(position_action_names) > 5 else ''}")
|
||||
|
||||
# Select only action columns from dataset
|
||||
actions = episode_frames.select_columns(ACTION)
|
||||
|
||||
# Connect to the robot
|
||||
print(f"\n[3/3] Connecting to robot...")
|
||||
robot.connect(calibrate=False) # Skip calibration for replay
|
||||
|
||||
if not robot.is_connected:
|
||||
raise RuntimeError("Robot failed to connect!")
|
||||
|
||||
print("\n" + "=" * 70)
|
||||
print("Ready to replay!")
|
||||
print("=" * 70)
|
||||
print("\nThe robot will replay the recorded positions.")
|
||||
print("Press Ctrl+C to stop at any time.\n")
|
||||
|
||||
input("Press ENTER to start replaying...")
|
||||
|
||||
# Replay loop
|
||||
log_say(f"Replaying episode {EPISODE_IDX}", blocking=True)
|
||||
|
||||
try:
|
||||
for idx in range(len(episode_frames)):
|
||||
loop_start = time.perf_counter()
|
||||
|
||||
# Extract action array from dataset
|
||||
action_array = actions[idx][ACTION]
|
||||
|
||||
# Build action dictionary, but only include position actions
|
||||
action = {}
|
||||
for i, name in enumerate(action_names):
|
||||
# Only include position actions (ending with .pos)
|
||||
if name.endswith(".pos"):
|
||||
action[name] = float(action_array[i])
|
||||
|
||||
# Send action to robot
|
||||
robot.send_action(action)
|
||||
|
||||
# Maintain replay rate (use dataset fps)
|
||||
loop_duration = time.perf_counter() - loop_start
|
||||
dt_s = 1.0 / dataset.fps - loop_duration
|
||||
busy_wait(dt_s)
|
||||
|
||||
# Progress indicator every 100 frames
|
||||
if (idx + 1) % 100 == 0:
|
||||
progress = (idx + 1) / len(episode_frames) * 100
|
||||
print(f"Progress: {idx + 1}/{len(episode_frames)} frames ({progress:.1f}%)")
|
||||
|
||||
print(f"\n✓ Successfully replayed {len(episode_frames)} frames")
|
||||
log_say("Replay complete", blocking=True)
|
||||
|
||||
except KeyboardInterrupt:
|
||||
print("\n\nReplay interrupted by user")
|
||||
finally:
|
||||
# Disconnect robot
|
||||
print("\nDisconnecting robot...")
|
||||
robot.disconnect()
|
||||
print("✓ Replay complete!")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
|
||||
@@ -14,8 +14,8 @@ from lerobot.teleoperators.openarms.config_openarms_leader import OpenArmsLeader
|
||||
|
||||
|
||||
follower_config = OpenArmsFollowerConfig(
|
||||
port_left="can0", # CAN interface for follower left arm
|
||||
port_right="can1", # CAN interface for follower right arm
|
||||
port_left="can2", # CAN interface for follower left arm
|
||||
port_right="can3", # CAN interface for follower right arm
|
||||
can_interface="socketcan", # Linux SocketCAN
|
||||
id="openarms_follower",
|
||||
disable_torque_on_disconnect=True,
|
||||
@@ -24,8 +24,8 @@ follower_config = OpenArmsFollowerConfig(
|
||||
|
||||
|
||||
leader_config = OpenArmsLeaderConfig(
|
||||
port_left="can2", # CAN interface for leader left arm
|
||||
port_right="can3", # CAN interface for leader right arm
|
||||
port_left="can0", # CAN interface for leader left arm
|
||||
port_right="can1", # CAN interface for leader right arm
|
||||
can_interface="socketcan", # Linux SocketCAN
|
||||
id="openarms_leader",
|
||||
manual_control=True, # Enable manual control (torque disabled)
|
||||
@@ -89,39 +89,23 @@ loop_times = []
|
||||
start_time = time.perf_counter()
|
||||
last_print_time = start_time
|
||||
|
||||
# Detailed timing accumulators
|
||||
timing_stats = {
|
||||
"leader_read": [],
|
||||
"filter_data": [],
|
||||
"follower_write": [],
|
||||
}
|
||||
|
||||
try:
|
||||
while True:
|
||||
loop_start = time.perf_counter()
|
||||
|
||||
# Get action from leader
|
||||
t0 = time.perf_counter()
|
||||
leader_action = leader.get_action()
|
||||
t1 = time.perf_counter()
|
||||
timing_stats["leader_read"].append((t1 - t0) * 1000)
|
||||
|
||||
# Filter to only position data for all joints (both arms)
|
||||
t2 = time.perf_counter()
|
||||
joint_action = {}
|
||||
for joint in all_joints:
|
||||
pos_key = f"{joint}.pos"
|
||||
if pos_key in leader_action:
|
||||
joint_action[pos_key] = leader_action[pos_key]
|
||||
t3 = time.perf_counter()
|
||||
timing_stats["filter_data"].append((t3 - t2) * 1000)
|
||||
|
||||
# Send action to follower (both arms)
|
||||
t4 = time.perf_counter()
|
||||
if joint_action:
|
||||
follower.send_action(joint_action)
|
||||
t5 = time.perf_counter()
|
||||
timing_stats["follower_write"].append((t5 - t4) * 1000)
|
||||
|
||||
# Measure loop time
|
||||
loop_end = time.perf_counter()
|
||||
@@ -138,31 +122,12 @@ try:
|
||||
max_hz = 1.0 / min_time if min_time > 0 else 0
|
||||
min_hz = 1.0 / max_time if max_time > 0 else 0
|
||||
|
||||
# Calculate average timing for each operation
|
||||
timing_avgs = {
|
||||
k: (sum(v) / len(v) if v else 0.0)
|
||||
for k, v in timing_stats.items()
|
||||
}
|
||||
|
||||
# Print detailed timing breakdown
|
||||
print(f"\n{'='*70}")
|
||||
print(f"Teleoperation - {current_hz:.1f} Hz | Total: {avg_time*1000:.1f} ms")
|
||||
print(f"{'='*70}")
|
||||
print(f" Leader Read: {timing_avgs['leader_read']:6.2f} ms")
|
||||
print(f" Filter Data: {timing_avgs['filter_data']:6.2f} ms")
|
||||
print(f" Follower Write: {timing_avgs['follower_write']:6.2f} ms")
|
||||
print(f" ───────────────────────────────")
|
||||
total_accounted = sum(timing_avgs.values())
|
||||
print(f" Accounted: {total_accounted:6.2f} ms")
|
||||
print(f" Unaccounted: {avg_time*1000 - total_accounted:6.2f} ms")
|
||||
print(f" ───────────────────────────────")
|
||||
print(f" Hz Range: {min_hz:.1f} - {max_hz:.1f} Hz")
|
||||
print(f"{'='*70}\n")
|
||||
print(f"[Hz Stats] Avg: {current_hz:.1f} Hz | "
|
||||
f"Range: {min_hz:.1f}-{max_hz:.1f} Hz | "
|
||||
f"Avg loop time: {avg_time*1000:.1f} ms")
|
||||
|
||||
# Reset for next measurement window
|
||||
loop_times = []
|
||||
for key in timing_stats:
|
||||
timing_stats[key] = []
|
||||
last_print_time = loop_end
|
||||
|
||||
except KeyboardInterrupt:
|
||||
|
||||
@@ -28,8 +28,8 @@ def main():
|
||||
|
||||
# Configuration
|
||||
follower_config = OpenArmsFollowerConfig(
|
||||
port_left="can0",
|
||||
port_right="can1",
|
||||
port_left="can2",
|
||||
port_right="can3",
|
||||
can_interface="socketcan",
|
||||
id="openarms_follower",
|
||||
disable_torque_on_disconnect=True,
|
||||
@@ -37,8 +37,8 @@ def main():
|
||||
)
|
||||
|
||||
leader_config = OpenArmsLeaderConfig(
|
||||
port_left="can2",
|
||||
port_right="can3",
|
||||
port_left="can0",
|
||||
port_right="can1",
|
||||
can_interface="socketcan",
|
||||
id="openarms_leader",
|
||||
manual_control=False, # Enable torque control for gravity compensation
|
||||
@@ -49,8 +49,8 @@ def main():
|
||||
follower = OpenArmsFollower(follower_config)
|
||||
leader = OpenArmsLeader(leader_config)
|
||||
|
||||
follower.connect(calibrate=True)
|
||||
leader.connect(calibrate=True)
|
||||
follower.connect()
|
||||
leader.connect()
|
||||
|
||||
# URDF is automatically loaded in the leader constructor
|
||||
if leader.pin_robot is None:
|
||||
|
||||
Reference in New Issue
Block a user