xbox_udp链路

This commit is contained in:
meiqi
2026-03-27 21:57:52 +08:00
parent c45245038f
commit 4788c0885a
10 changed files with 746 additions and 18 deletions

View File

@@ -0,0 +1,82 @@
model_path: "../mypolicy/model/policy.onnx"
motor_num: 29
actions_size: 23
dt: 0.01
warm_start_time: 0.0
command_clip: 1.0
sim:
mujoco_timestep: 0.005
joint_names: [
hip_pitch_l_joint, hip_pitch_r_joint, waist_yaw_joint,
hip_roll_l_joint, hip_roll_r_joint, waist_roll_joint,
hip_yaw_l_joint, hip_yaw_r_joint, waist_pitch_joint,
knee_pitch_l_joint, knee_pitch_r_joint,
shoulder_pitch_l_joint, shoulder_pitch_r_joint,
ankle_pitch_l_joint, ankle_pitch_r_joint,
shoulder_roll_l_joint, shoulder_roll_r_joint,
ankle_roll_l_joint, ankle_roll_r_joint,
shoulder_yaw_l_joint, shoulder_yaw_r_joint,
elbow_pitch_l_joint, elbow_pitch_r_joint
]
control:
action_scale: 0.25
decimation: 2
gait:
gait_air_ratio_l: 0.6
gait_air_ratio_r: 0.6
gait_phase_offset_l: 0.6
gait_phase_offset_r: 0.1
gait_cycle: 0.64
normalization:
clip_scales:
clip_observations: 100.0
clip_actions: 100.0
size:
num_hist: 10
observations_size: 84
gains:
kp: [
300.0, 300.0, 400.0,
300.0, 300.0, 400.0,
150.0, 150.0, 400.0,
350.0, 350.0,
150.0, 150.0,
30.0, 30.0,
50.0, 50.0,
16.8, 16.8,
50.0, 50.0,
150.0, 150.0
]
kd: [
10.0, 10.0, 5.0,
10.0, 10.0, 10.0,
5.0, 5.0, 10.0,
10.0, 10.0,
7.5, 7.5,
2.5, 2.5,
2.5, 2.5,
1.4, 1.4,
2.5, 2.5,
5.0, 5.0
]
init_state:
default_joint_angles: [
0.0, 0.0, 0.0,
-0.5, -0.5, 0.0,
0.0, 0.0, 0.0,
1.0, 1.0,
0.0, 0.0,
-0.5, -0.5,
0.2, -0.2,
0.0, 0.0,
0.0, 0.0,
-0.3, -0.3
]

View File

@@ -0,0 +1,303 @@
"""
FSM state implementation for an xSIM MuJoCo run policy that follows the
TienKung-Lab sim2sim observation/action flow more closely.
"""
import os
import numpy as np
import onnxruntime as ort
import yaml
from scipy.spatial.transform import Rotation
from FSM.fsm_base import FSMState, FSMStateName
from common.joystick import ControlFlag
from common.robot_data import RobotData
class FSMStateXSIMRUN(FSMState):
"""Direct-position run policy for xSIM MuJoCo."""
def __init__(self, robot_data: RobotData):
super().__init__(robot_data)
self.current_state_name = FSMStateName.XSIMRUN
self.log_prefix = "FSMStateXSIMRUN"
current_dir = os.path.dirname(os.path.abspath(__file__))
config_path = os.path.join(current_dir, "config", "xsim_run.yaml")
with open(config_path, "r", encoding="utf-8") as f:
policy_config = yaml.safe_load(f)
self.action_num_ = int(policy_config["actions_size"])
self.motor_num_ = int(policy_config["motor_num"])
self.dt_ = float(policy_config["dt"])
self.command_clip_ = float(policy_config.get("command_clip", 1.0))
size_config = policy_config.get("size", {})
self.num_hist_ = int(size_config["num_hist"])
self.obs_size_ = int(size_config["observations_size"])
control_config = policy_config.get("control", {})
self.action_scale_ = float(control_config["action_scale"])
self.decimation_ = int(control_config["decimation"])
self.warm_start_time_ = float(
control_config.get(
"warm_start_time",
policy_config.get("warm_start_time", 0.0),
)
)
sim_config = policy_config.get("sim", {})
self.mujoco_timestep_ = float(sim_config.get("mujoco_timestep", 0.005))
self.policy_period_ = self.dt_ * self.decimation_
gait_config = policy_config.get("gait", {})
self.gait_cycle_ = float(gait_config["gait_cycle"])
self.phase_ratio_ = np.array(
[
gait_config["gait_air_ratio_l"],
gait_config["gait_air_ratio_r"],
],
dtype=np.float32,
)
self.phase_offset_ = np.array(
[
gait_config["gait_phase_offset_l"],
gait_config["gait_phase_offset_r"],
],
dtype=np.float32,
)
norm_config = policy_config.get("normalization", {})
clip_config = norm_config.get("clip_scales", {})
self.clip_obs_ = float(clip_config.get("clip_observations", 100.0))
self.clip_act_ = float(clip_config.get("clip_actions", 100.0))
self.default_angles_lab_ = np.array(
policy_config["init_state"]["default_joint_angles"],
dtype=np.float32,
)
self.stiffness_lab_ = np.array(policy_config["gains"]["kp"], dtype=np.float32)
self.damping_lab_ = np.array(policy_config["gains"]["kd"], dtype=np.float32)
model_rel_path = policy_config["model_path"]
self.model_path_ = os.path.normpath(os.path.join(current_dir, model_rel_path))
self._init_onnx_session()
# sim2sim.py uses policy output in Isaac order and then maps to MuJoCo order.
self.mujoco_to_policy_idx_ = np.array(
[0, 6, 12, 1, 7, 13, 2, 8, 14, 3, 9, 15, 19, 4, 10, 16, 20, 5, 11, 17, 21, 18, 22],
dtype=int,
)
self.policy_to_mujoco_idx_ = np.array(
[0, 3, 6, 9, 13, 17, 1, 4, 7, 10, 14, 18, 2, 5, 8, 11, 15, 19, 21, 12, 16, 20, 22],
dtype=int,
)
# RobotData stores 29 joints in leg -> waist -> arm order.
self.mujoco_control_indices_ = np.array(
[
0, 1, 2, 3, 4, 5,
6, 7, 8, 9, 10, 11,
12, 13, 14,
15, 16, 17, 18,
22, 23, 24, 25,
],
dtype=int,
)
self.default_angles_mujoco23_ = self.default_angles_lab_[self.policy_to_mujoco_idx_]
self.observations_ = np.zeros(self.obs_size_ * self.num_hist_, dtype=np.float32)
self.obs_history_ = np.zeros_like(self.observations_)
self.actions_ = np.zeros(self.action_num_, dtype=np.float32)
self.last_actions_ = np.zeros(self.action_num_, dtype=np.float32)
self.current_gait_ = np.zeros(6, dtype=np.float32)
self.hold_pose_29_ = np.zeros(self.motor_num_, dtype=np.float32)
self._warm_start_pose_29_ = np.zeros(self.motor_num_, dtype=np.float32)
self._first_obs = True
self._policy_step_counter = 0
self.waiting_for_motion_ = True
self.motion_threshold_ = 1e-3
if self.warm_start_time_ > 0 and self.policy_period_ > 0:
self._warm_start_steps = max(1, int(self.warm_start_time_ / self.policy_period_))
else:
self._warm_start_steps = 0
self._warmup_inference_counter = 0
self.kp_29_ = np.zeros(self.motor_num_, dtype=np.float32)
self.kd_29_ = np.zeros(self.motor_num_, dtype=np.float32)
for lab_idx, mj_idx in enumerate(self.mujoco_control_indices_[self.policy_to_mujoco_idx_]):
self.kp_29_[mj_idx] = self.stiffness_lab_[lab_idx]
self.kd_29_[mj_idx] = self.damping_lab_[lab_idx]
def _init_onnx_session(self) -> None:
options = ort.SessionOptions()
options.graph_optimization_level = ort.GraphOptimizationLevel.ORT_ENABLE_ALL
options.intra_op_num_threads = 1
options.inter_op_num_threads = 1
self.ort_session_ = ort.InferenceSession(
self.model_path_,
options,
providers=["CPUExecutionProvider"],
)
print(f"[{self.log_prefix}] ONNX model loaded: {self.model_path_}")
def on_enter(self):
self.observations_.fill(0.0)
self.obs_history_.fill(0.0)
self.actions_.fill(0.0)
self.last_actions_.fill(0.0)
self.current_gait_.fill(0.0)
self._first_obs = True
self._policy_step_counter = 0
self._warmup_inference_counter = 0
self.waiting_for_motion_ = True
current_q = self.robot_data_.get_joint_pos().copy()
self.hold_pose_29_ = current_q
self._warm_start_pose_29_ = current_q
base = self.robot_data_.q_d_.shape[0] - self.motor_num_
self.robot_data_.q_d_[base:base + self.motor_num_] = current_q
self.robot_data_.q_dot_d_[base:base + self.motor_num_] = 0.0
self.robot_data_.tau_d_[base:base + self.motor_num_] = 0.0
self.robot_data_.joint_kp_p_[:self.motor_num_] = self.kp_29_
self.robot_data_.joint_kd_p_[:self.motor_num_] = self.kd_29_
print(f"[{self.log_prefix}] enter")
def run(self, flag: ControlFlag):
walk_cmd = np.clip(
np.array(self.robot_data_.get_walk_cmd(), dtype=np.float32),
-self.command_clip_,
self.command_clip_,
)
base = self.robot_data_.q_d_.shape[0] - self.motor_num_
if self.waiting_for_motion_:
if np.max(np.abs(walk_cmd)) <= self.motion_threshold_:
self.robot_data_.q_d_[base:base + self.motor_num_] = self.hold_pose_29_
self.robot_data_.q_dot_d_[base:base + self.motor_num_] = 0.0
self.robot_data_.tau_d_[base:base + self.motor_num_] = 0.0
self.robot_data_.joint_kp_p_[:self.motor_num_] = self.kp_29_
self.robot_data_.joint_kd_p_[:self.motor_num_] = self.kd_29_
return
self.waiting_for_motion_ = False
self._warm_start_pose_29_ = self.robot_data_.get_joint_pos().copy()
print(f"[{self.log_prefix}] motion command detected: {walk_cmd}")
if int(self.robot_data_.time_now_ / self.dt_) % self.decimation_ == 0:
self.current_gait_ = self._compute_gait_features()
self.compute_observation(walk_cmd)
self.compute_actions()
target_mujoco23 = (
self.actions_[self.policy_to_mujoco_idx_] * self.action_scale_
+ self.default_angles_mujoco23_
)
target_q_29 = self.hold_pose_29_.copy()
target_q_29[self.mujoco_control_indices_] = target_mujoco23
commanded_q_29 = target_q_29
if self._warm_start_steps > 0 and self._warmup_inference_counter < self._warm_start_steps:
self._warmup_inference_counter += 1
blend = self._warmup_inference_counter / float(self._warm_start_steps)
commanded_q_29 = (1.0 - blend) * self._warm_start_pose_29_ + blend * target_q_29
self.robot_data_.q_d_[base:base + self.motor_num_] = commanded_q_29
self.robot_data_.q_dot_d_[base:base + self.motor_num_] = 0.0
self.robot_data_.tau_d_[base:base + self.motor_num_] = 0.0
self.robot_data_.joint_kp_p_[:self.motor_num_] = self.kp_29_
self.robot_data_.joint_kd_p_[:self.motor_num_] = self.kd_29_
self.last_actions_[:] = self.actions_
def _compute_gait_features(self) -> np.ndarray:
t = self._policy_step_counter * self.policy_period_ / self.gait_cycle_
gait_phase = (t + self.phase_offset_) % 1.0
self._policy_step_counter += 1
return np.concatenate(
[
np.sin(2.0 * np.pi * gait_phase),
np.cos(2.0 * np.pi * gait_phase),
self.phase_ratio_,
],
axis=0,
).astype(np.float32)
def compute_observation(self, walk_cmd: np.ndarray):
if np.linalg.norm(self.robot_data_.imu_quat_) > 0.0:
q_wxyz = self.robot_data_.imu_quat_.astype(np.float32)
q_xyzw = np.array([q_wxyz[1], q_wxyz[2], q_wxyz[3], q_wxyz[0]], dtype=np.float32)
else:
roll = float(self.robot_data_.imu_data_[2])
pitch = float(self.robot_data_.imu_data_[1])
yaw = float(self.robot_data_.imu_data_[0])
q_wxyz = self.euler_to_quaternion_scipy(roll, pitch, yaw)
q_xyzw = np.array([q_wxyz[1], q_wxyz[2], q_wxyz[3], q_wxyz[0]], dtype=np.float32)
gravity = self.quat_rotate_inverse_numpy(q_xyzw, np.array([0.0, 0.0, -1.0], dtype=np.float32))
q_29 = self.robot_data_.get_joint_pos()
dq_29 = self.robot_data_.get_joint_vel()
q_23 = q_29[self.mujoco_control_indices_]
dq_23 = dq_29[self.mujoco_control_indices_]
proprio = np.concatenate(
[
self.robot_data_.get_angular_velocity(),
gravity,
walk_cmd,
(q_23 - self.default_angles_mujoco23_)[self.mujoco_to_policy_idx_],
dq_23[self.mujoco_to_policy_idx_],
np.clip(self.last_actions_, -self.clip_act_, self.clip_act_),
self.current_gait_,
],
axis=0,
).astype(np.float32)
if self._first_obs:
for i in range(self.num_hist_):
start = i * self.obs_size_
self.obs_history_[start:start + self.obs_size_] = proprio
self._first_obs = False
else:
self.obs_history_ = np.roll(self.obs_history_, -self.obs_size_)
self.obs_history_[-self.obs_size_:] = proprio
self.observations_ = np.clip(self.obs_history_, -self.clip_obs_, self.clip_obs_)
def compute_actions(self):
input_name = self.ort_session_.get_inputs()[0].name
input_data = self.observations_.reshape(1, -1).astype(np.float32)
outputs = self.ort_session_.run(None, {input_name: input_data})
self.actions_[:] = np.clip(outputs[0][0][: self.action_num_], -self.clip_act_, self.clip_act_)
def on_exit(self):
print(f"[{self.log_prefix}] exit")
def check_transition(self, flag: ControlFlag) -> FSMStateName:
if flag.fsm_state_command == "gotoSTOP":
return FSMStateName.STOP
if flag.fsm_state_command == "gotoZERO":
return FSMStateName.ZERO
if flag.fsm_state_command == "gotoWALKAMP":
return FSMStateName.WALKAMP
if flag.fsm_state_command == "gotoMYPOLICY":
return FSMStateName.MYPOLICY
if flag.fsm_state_command == "gotoXSIMRUN":
return FSMStateName.XSIMRUN
return None
@staticmethod
def euler_to_quaternion_scipy(roll, pitch, yaw, degrees=False):
r = Rotation.from_euler("xyz", [roll, pitch, yaw], degrees=degrees)
q_xyzw = r.as_quat()
return np.array([q_xyzw[3], q_xyzw[0], q_xyzw[1], q_xyzw[2]], dtype=np.float32)
@staticmethod
def quat_rotate_inverse_numpy(q_xyzw, v):
q_w = q_xyzw[3]
q_v = q_xyzw[:3]
a = v * (2.0 * q_w * q_w - 1.0)
b = np.cross(q_v, v) * (2.0 * q_w)
c = q_v * (2.0 * np.dot(q_v, v))
return a - b + c