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| Presentation | 2022-05-20 14:45 Energy-Constrained Autonomous Mobile Robots: Computational Power and Cross-Model Analysis Kevin Buchin (TU Dort.), Paola Flocchini (Univ. of Ottawa), Irina Kostitsyna, Tom Peters (TU Eind.), Nicola Santoro (Carleton Univ.), Koichi Wada (Hosei Univ.)  COMP2022-9 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We consider distributed systems of identical autonomous computational entities, called robots, moving and operating in the plane in synchronous Look-Compute-Move (LCM) cycles. The algorithmic capabilities of these systems have been extensively investigated in the literature under four distinct models (OBLOT, FSTA, FCOM, LUMI), each identifying different levels of memory persistence and communication capabilities of the robots. Despite their differences, they all always assume that robots have unlimited amounts of energy. In this paper, we remove this assumption and start the study of the computational capabilities of robots whose energy is limited, albeit renewable. We first study the impact that memory persistence and communication capabilities have on the computational power of such energy-constrained systems of robots; we do so by analyzing the computational relationship between the four models under this energy constraint. We provide a complete characterization of this relationship. We then study the difference in computational power caused by the energy restriction and provide a complete characterization of the relationship between energy-constrained and unrestricted robots in each model. We prove that within LUMI there is no difference; an integral part of the proof is the design and analysis of an algorithm that in LUMI allows energy-constrained robots to execute correctly any protocol for robots with unlimited energy. We then show the (apparently counterintuitive) result that in all other models, the energy constraint actually provides the robots with a computational advantage. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | oblivious robots / luminous robots / energy-constrained robots / comparison of models / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 33, COMP2022-9, pp. 54-61, May 2022. | |
| Paper # | COMP2022-9 | |
| Date of Issue | 2022-05-12 (COMP) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | COMP2022-9 |
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| Conference Information | |
| Committee | COMP IPSJ-AL |
| Conference Date | 2022-05-19 - 2022-05-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | COMP |
| Conference Code | 2022-05-COMP-AL |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Energy-Constrained Autonomous Mobile Robots: Computational Power and Cross-Model Analysis |
| Sub Title (in English) | |
| Keyword(1) | oblivious robots |
| Keyword(2) | luminous robots |
| Keyword(3) | energy-constrained robots |
| Keyword(4) | comparison of models |
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| Keyword(8) | |
| 1st Author's Name | Kevin Buchin |
| 1st Author's Affiliation | TU Dortmund (TU Dort.) |
| 2nd Author's Name | Paola Flocchini |
| 2nd Author's Affiliation | University of Ottawa (Univ. of Ottawa) |
| 3rd Author's Name | Irina Kostitsyna |
| 3rd Author's Affiliation | TU Eindhoven (TU Eind.) |
| 4th Author's Name | Tom Peters |
| 4th Author's Affiliation | TU Eindhoven (TU Eind.) |
| 5th Author's Name | Nicola Santoro |
| 5th Author's Affiliation | Carleton University (Carleton Univ.) |
| 6th Author's Name | Koichi Wada |
| 6th Author's Affiliation | Hosei University (Hosei Univ.) |
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| Speaker | Author-6 |
| Date Time | 2022-05-20 14:45:00 |
| Presentation Time | 35 minutes |
| Registration for | COMP |
| Paper # | COMP2022-9 |
| Volume (vol) | vol.122 |
| Number (no) | no.33 |
| Page | pp.54-61 |
| #Pages | 8 |
| Date of Issue | 2022-05-12 (COMP) |
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