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README.md

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GAMARA

It stands for GuAranteed Multi-Agent Reach Avoid.

We implement our method on top these two tools:

  1. Scots : https://gitlab.lrz.de/matthias/SCOTSv0.2
  2. ALTRO : https://github.com/RoboticExplorationLab/TrajectoryOptimization.jl

we used ALTRO v0.1 which is uploaded in this repository.

Requirements

  1. Julia version : 1.3.1
  • Install "Plots" library before execution.
  1. c++ 11

Steps for execution

  1. Run Altro code
  • Be careful to set julia working directory same as the directory
  • nom_tr.txt will be generated which is nominal controller
  1. Run Makefile to compile project
  • there will be two execution files
  1. run abs_syn to do abstraction and synthesis
  • if you faced segmentation fault or std::bad_alloc() it means there is not enough ram
  1. run simulation to test the synthesized controller to see the performance of controller with perturbed model

Steps for developement

  1. Modify ALTRO (Planner):
  • create *.jl file similar to examples
  • change your model in dynamics! function
  • select number of points and sampling time
  • enter the penalty functions
  1. Modify Scots (Robustifier)
  • create a *.hh similar to examples (you dont need to change cpp files)
  • enter time augmented dynamics ( one extra state variabe x_dot=1)
  • select all paramets in parameters class

Directories structure

src

This folder contains Scots library files.

TrajectoryOptimization

ALTRO Library files.

Examples

Here there is a folder for each example which includes a Julia file for Altro and also example codes for ABCD.