Go2Py_SIM/examples/03-robot-dynamic-model.ipynb

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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Simulated"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"from Go2Py.sim.mujoco import Go2Sim\n",
"from Go2Py.robot.model import Go2Model\n",
"from Go2Py.estimation.contact import HysteresisContactDetector\n",
"import pinocchio as pin \n",
"import numpy as np\n",
"import time"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
"model = Go2Model()\n",
"robot = Go2Sim()"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"dict_keys(['M', 'Minv', 'nle', 'g', 'J_w', 'J_b'])\n"
]
}
],
"source": [
"# Get robot robot states\n",
"state = robot.getJointStates()\n",
"\n",
"# The pose and velocity generally is fed from an external state estimator,\n",
"# here we just set it to identity\n",
"T = np.eye(4)\n",
"vel = np.zeros(6)\n",
"\n",
"# Compute the dynamics\n",
"model.updateAllPose(state['q'], state['dq'], T, vel)\n",
"\n",
"# Get dynamic and kinematic models\n",
"info = model.getInfo()\n",
"print(info.keys())"
]
}
],
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