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A multi-agent energy efficient coverage path planner for UB-ANC Agents
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README.md

Copyright © 2016 - 2018 Jalil Modares

This program was part of my Ph.D. Dissertation research in the Department of Electrical Engineering at the University at Buffalo. I worked in UB's Multimedia Communications and Systems Laboratory with my Ph.D. adviser, Prof. Nicholas Mastronarde.

If you use this program for your work/research, please cite: J. Modares, F. Ghanei, N. Mastronarde and K. Dantu, "UB-ANC Planner: Energy Efficient Coverage Path Planning with Multiple Drones".

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

UB-ANC Planner

A Multi-Agent Energy Efficent Coverage Path Planner

Utilizing the UB-ANC Drone and UB-ANC Emulator projects, we built an application for airborne networks, called UB-ANC Planner. It considers the problem of covering an arbitrary area containing obstacles using multiple drones, i.e., the so-called Coverage Path Planning (CPP) problem. The goal of the CPP problem is to find paths for each drone such that the entire area is covered. However, a major limitation in such deployments is drone flight time. To most efficiently use a swarm, we propose to minimize the maximum energy consumption among all drones' flight paths. We perform measurements to understand energy consumption of a drone. Using these measurements, we formulate an Energy Efficient Coverage Path Planning (EECPP) problem. We solve this problem in two steps: a load-balanced allocation of the given area to individual drones, and a Minimum Energy Path Planning (MEPP) problem for each drone. We conjecture that the MEPP is NP-hard as it is similar to the Traveling Salesman Problem (TSP). We propose an adaptation of the well-known Lin-Kernighan Heuristic (LKH) for the TSP to efficiently solve the problem. We compare our solution to the recently proposed depth-limited search with back tracking algorithm, the optimal solution, and rastering as a baseline. Results show that our algorithm is more computationally efficient and provides more energy-efficient solutions compared to the other heuristics.

Build

The current version of the UB-ANC Planner uses IBM ILOG CPLEX Optimization Studio 12.63 and Qt as its main libraries. The build process explained here is targeted for Linux (Debian compatible) platforms. We recommend using Ubuntu 16.04. Before building the UB-ANC Planner, cplex.pri file should be changed to point to the correct location of CPLEX library. Next run the following commands to setup your system:

sudo apt-get update && sudo apt-get upgrade
sudo apt-get install qt5-default qtbase5-dev \
    qtdeclarative5-dev qtpositioning5-dev \
    qtlocation5-dev libqt5svg5-dev libqt5serialport5-dev

Then, use qmake to build the planner:

cd ~
mkdir ub-anc && cd ub-anc
git clone https://github.com/jmodares/UB-ANC-Planner
mkdir build-planner && cd build-planner
qmake ../UB-ANC-Planner
make -j4

Run

There are different command options that need to be set, the important one is -f or --file which specifies the mission file for the planner. Use -h or --help to see all options and their descriptions.

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