Conflict-Free Multi-Agent Meeting

Dor Atzmon, Shahar Idan Freiman, Oscar Epshtein, Oran Shichman, Ariel Felner

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Multi-Agent Meeting (MAM) is the problem of finding a meeting location for multiple agents and paths to that location. Recently, a Multi-Directional Heuristic Search algorithm, called MM*, was introduced. MM* is a state-of-the-art MAM optimal solver that searches from multiple directions (one for each agent) and is guided by a heuristic function. Practically, a solution to MAM may contain conflicting paths. A related problem that plans conflict-free paths to a given set of goal locations is the Multi-Agent Path Finding problem (MAPF). In this paper, we solve the Conflict-Free Multi-Agent Meeting problem (CF-MAM). In CF-MAM, we find a meeting location for multiple agents (as in MAM) as well as conflict-free paths (as in MAPF) to that location. We introduce two novel algorithms, which combine MAM and MAPF solvers, for optimally solving CF-MAM. We compare both algorithms experimentally, showing the pros and cons of each algorithm.

Original languageEnglish
Title of host publication14th International Symposium on Combinatorial Search, SoCS 2021
EditorsHang Ma, Ivan Serina
PublisherAssociation for the Advancement of Artificial Intelligence
Pages147-149
Number of pages3
ISBN (Electronic)9781713834557
StatePublished - 2021
Externally publishedYes
Event14th International Symposium on Combinatorial Search, SoCS 2021 - Guangzhou, Virtual, China
Duration: 26 Jul 202130 Jul 2021

Publication series

Name14th International Symposium on Combinatorial Search, SoCS 2021

Conference

Conference14th International Symposium on Combinatorial Search, SoCS 2021
Country/TerritoryChina
CityGuangzhou, Virtual
Period26/07/2130/07/21

Bibliographical note

Publisher Copyright:
Copyright © 2021, Association for the Advancement of Artificial Intelligence (www.aaai.org). All rights reserved.

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