talos_conf.py

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from pathlib import Path
 
import numpy as np
import pinocchio as pin
from example_robot_data.robots_loader import getModelPath
 
np.set_printoptions(precision=3, linewidth=200, suppress=True)
LINE_WIDTH = 60
 
N_SIMULATION = 4000  # number of time steps simulated
dt = 0.002  # controller time step
 
lxp = 0.10  # foot length in positive x direction
lxn = 0.10  # foot length in negative x direction
lyp = 0.065  # foot length in positive y direction
lyn = 0.065  # foot length in negative y direction
lz = 0.0  # foot sole height with respect to ankle joint
mu = 0.3  # friction coefficient
fMin = 5.0  # minimum normal force
fMax = 1000.0  # maximum normal force
rf_frame_name = "leg_right_sole_fix_joint"  # right foot frame name
lf_frame_name = "leg_left_sole_fix_joint"  # left foot frame name
contactNormal = np.array(
    [0.0, 0.0, 1.0]
)  # direction of the normal to the contact surface
 
w_com = 1.0  # weight of center of mass task
w_am = 1e-3  # weight of angular momentum task
w_foot = 1e-1  # weight of the foot motion task
w_contact = -1.0  # weight of foot in contact (negative means infinite weight)
w_posture = 1e-1  # weight of joint posture task
w_forceRef = 1e-5  # weight of force regularization task
w_cop = 0.0
w_torque_bounds = 1.0  # weight of the torque bounds
w_joint_bounds = 0.0
 
gain_vector = np.array(  # gain vector for postural task
    [
        10.0,
        5.0,
        5.0,
        1.0,
        1.0,
        10.0,  # lleg  #low gain on axis along y and knee
        10.0,
        5.0,
        5.0,
        1.0,
        1.0,
        10.0,  # rleg
        5000.0,
        5000.0,  # chest
        500.0,
        1000.0,
        10.0,
        10.0,
        10.0,
        10.0,
        100.0,
        50.0,  # larm
        50.0,
        100.0,
        10.0,
        10.0,
        10.0,
        10.0,
        100.0,
        50.0,  # rarm
        100.0,
        100.0,
    ]  # head
)
masks_posture = np.ones(32)
 
tau_max_scaling = 1.45  # scaling factor of torque bounds
v_max_scaling = 0.8
 
kp_contact = 10.0  # proportional gain of contact constraint
kp_foot = 10.0  # proportional gain of contact constraint
kp_com = 10.0  # proportional gain of center of mass task
kp_am = 10.0  # proportional gain of angular momentum task
kp_posture = 1.0  # proportional gain of joint posture task
 
viewer = pin.visualize.GepettoVisualizer
PRINT_N = 500  # print every PRINT_N time steps
DISPLAY_N = 20  # update robot configuration in viwewer every DISPLAY_N time steps
CAMERA_TRANSFORM = [
    4.0,
    -0.2,
    0.4,
    0.5243823528289795,
    0.518651008605957,
    0.4620114266872406,
    0.4925136864185333,
]
 
SPHERE_RADIUS = 0.03
REF_SPHERE_RADIUS = 0.03
COM_SPHERE_COLOR = (1, 0.5, 0, 0.5)
COM_REF_SPHERE_COLOR = (1, 0, 0, 0.5)
RF_SPHERE_COLOR = (0, 1, 0, 0.5)
RF_REF_SPHERE_COLOR = (0, 1, 0.5, 0.5)
LF_SPHERE_COLOR = (0, 0, 1, 0.5)
LF_REF_SPHERE_COLOR = (0.5, 0, 1, 0.5)
 
urdf = "/talos_data/robots/talos_reduced.urdf"
path = Path(getModelPath(urdf))
urdf = path / urdf
srdf = path / "talos_data/srdf/talos.srdf"
path = path / "../.."