Organising a Semi-Autonomous Robot Collective: A Hybrid Approach

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Abstract

Organisation and control of heterogeneous cyber-physical systems are complex tasks, that require robust decision making heuristics based on specific knowledge about the physical environment as well as regarding the capabilities of the system's actuators. Hence, fundamentally different concepts exist. Designs based on a centralised hierarchy on the one hand and completely edge-computing based autonomous systems on the other are well investigated and documented but offer specific disadvantages concerning adaptiveness, control and scalability. This article presents a hybrid approach by suggesting an application-aware optimised compromise. Existing approaches as well as requirements and resulting challenges are outlined. Based on that, an extended middleware is introduced, that does not only act as an abstract communication platform but also organises the cyber-physical system by providing a centralised high-level controller component that issues recommendations that are created based on a global view on the domain-specific conditions. Its architecture makes this component completely independent of the lower system levels. Hence, it can flexibly be integrated into different topologies and ported to various use cases. Although the presented approach does not restrict any task allocation strategy, it is shown that decentralised task distribution provides advantages and can easily be implemented based on our recommendations. A simulation-based evaluation demonstrates that this abstract control strategy is able to support performant and effective behaviour of the cyber-physical system.

Details

Original languageEnglish
Title of host publicationProceedings - 2021 26th IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-8
ISBN (electronic)9781728129891
Publication statusPublished - 2021
Peer-reviewedYes

Publication series

SeriesInternational Conference on Emerging Technologies and Factory Automation (ETFA)
Volume2021-September
ISSN1946-0740

Conference

Title26th IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2021
Duration7 - 10 September 2021
CityVirtual, Vasteras
CountrySweden

External IDs

ORCID /0000-0001-5165-4459/work/172571727

Keywords

Research priority areas of TU Dresden

DFG Classification of Subject Areas according to Review Boards

Subject groups, research areas, subject areas according to Destatis

Keywords

  • Adaptive systems, Cyber-physical systems, Middleware, Robot sensing systems, Simulation