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Turn STL formulas into maps and planed paths, control robots with DRL controllers.

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ZikangXiong/STL-Mobile-Robot

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STL Mobile Robot

Turn STL formulas into maps and planed paths, control robots with DRL controllers.

Use Case

Giving following specification:

STL spec: (((F[0, 5]wp_0&F[5, 10]wp_2)&F[10, 15]wp_1)&F[15, 20]wp_3)&G[0, 20](((obs_3&obs_0)&obs_1)&obs_2)
obstacles: [obs(pos=[ 2.30221051 -0.03626683], size=[0.39760751 0.12037159]), obs(pos=[-1.69138811  0.3498487 ],
size=[0.38951315 0.34430025]), obs(pos=[1.07275921 1.93284017], size=[0.42257434 0.37814822]), obs(
pos=[0.70020247 0.53295503], size=[0.28787348 0.25667014])]
waypoints: [wp(pos=[-2.33267981  2.48727927], size=0.5), wp(pos=[-0.15734173 -1.19723772], size=0.5), wp(
pos=[-2.73984922 -0.14574555], size=0.5), wp(pos=[2.0591308  1.65148679], size=0.5)]

We can get the following map and control trajectory:

openaigym.video.0.4402.video000000.mp4

With planning time 2.755s and control time steps 760.

Planning time:  2.755
Control time steps: 760

Installation

  1. Install this package and some dependencies.
pip install -e .
  1. Configure MuJoCo-py. See here for more details.
  2. Get a gurobi license and place it in right place. It is free for academic use. See here for more details.

Task Templates

Check out tasks.py and stl.py for more details.

Planning

Planning is backend by stlpy. Check out stl.py for more details.

Control

Controller is a goal-conditioned DRL agent. Check out control.py for more details.

Robot Dynamics

Suppose 4 robot dynamics models are available. Check out envs.py for more details.

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