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A Framework for Hazard Identification of a Collaborative Plug&Produce System
University West, Department of Engineering Science, Division of Production Systems. (PTW)
University West, Department of Engineering Science, Division of Production Systems. (PTW)ORCID iD: 0000-0002-4091-7732
University West, Department of Engineering Science, Division of Production Systems. (PTW)ORCID iD: 0000-0002-8878-2718
University West, Department of Engineering Science, Division of Production Systems. (PTW)ORCID iD: 0000-0002-6604-6904
2022 (English)In: Communications in Computer and Information Science, ISSN 1865-0929, E-ISSN 1865-0937, Vol. 1616 CCIS, p. 144-155Article in journal (Refereed) Published
Abstract [en]

Plug&Produce systems accept reconfiguration and have the attribute of physical and logical flexibility. To implement the Plug&Produce system in a manufacturing plant, there is a need to assure that the system is safe. The process of risk assessment provides information that is used to implement the proper safety measures to ensure human and machine safety. An important step in the risk assessment process is hazard identification. Hazard identification of Plug&Produce system is unique as the hazard identification method provided in the safety standards do not consider system flexibility. In this paper, a framework for hazard identification of a collaborative Plug&Produce system is presented. A study case that includes a collaborative Plug&Produce system is presented and the framework is applied to identify the system’s hazards. Also, the generalisation of the framework application is discussed. © 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.

Place, publisher, year, edition, pages
Springer Science+Business Media B.V., 2022. Vol. 1616 CCIS, p. 144-155
Keywords [en]
Collaborative robots; Hazards; Assessment process; Collaborative robots; Hazard identification; Human safety; Identification method; Machine safety; Manufacturing plant; Plug&produce; Risks assessments; Safety measures; Risk assessment
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-19172DOI: 10.1007/978-3-031-10525-8_12ISI: 000894634800012Scopus ID: 2-s2.0-85135037497OAI: oai:DiVA.org:hv-19172DiVA, id: diva2:1709357
Conference
4th International Conference on Intelligent Technologies and Applications, INTAP 2021; Conference date: 11 October 2021 through 13 October 2021; Conference code: 281209
Available from: 2022-11-08 Created: 2022-11-08 Last updated: 2024-04-12Bibliographically approved
In thesis
1. Planning and Control of Safety-Aware Plug & Produce
Open this publication in new window or tab >>Planning and Control of Safety-Aware Plug & Produce
2024 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The Plug & Produce manufacturing system is a visionary concept that promises to facilitate the seamless integration and adaptation of manufacturing resources and production processes. The Plug & Produce control system allows for the automatic addition and removal of manufacturing resources, minimizing human intervention. However, the reconfigurability and autonomous decision-making features of Plug & Produce control systems pose challenges to safety design and control functions.

In contrast to conventional manufacturing systems with fixed layouts and processes, ensuring safety in Plug & Produce systems is complicated due to the complex risk assessment process, the difficulty of implementing non-restrictive safety measures covering all possible hazards, and the challenge of designing a reliable controller for consistent safe operation.

This thesis addresses these challenges through various contributions. It introduces an automatic hazard identification method, considering emergent hazards after reconfiguration. A novel domain ontology is developed, incorporating safety models specific to Plug & Produce systems. The work also proposes a generic, model-based, and automatic risk assessment method, along with a method for the safe execution of plans based on the results of the risk assessment.

The results of this research offer benefits to process planners, who are responsible for coordinating the manufacturing processes with product design in the Plug & Produce system. The proposed solution provides tools for process planners to validate their plans and reduces their safety-related responsibilities. The proposed safety assurance method seamlessly integrates into the multi-agent control of Plug & Produce, providing the control system with risk scenarios associated with process plans. This enables proactive and reliable control, effectively avoiding potential risks during system operation.

Abstract [sv]

Föreställ dig en automatiserad produktionsanläggning som omedelbart och automatiskt kan anpassa sig till förändringar utan att kompromissa med säkerheten för den personal som arbetar där. Denna avhandling strävar efter att uppnå just detta genom ett smartare sätt att säkerställa att produktionsanläggningar baserat på Plug & Produce kan hantera säkerhet. Dettainnebär att konceptet Plug & Produce nu närmar sig ett industriellt förverkligande. Säkerhet för automatiserade produktionsanläggningar innebär att alla maskiner ska vara utrustade med skydd för att göra arbetet säkrare. Idag är det vanligt med övervakning som skydd, dvs en dator som övervakar att allt går rätt till och stänger av om något är på väg att hända. I ett produktionsavsnitt som är baserat på Plug & Produce kan man enkelt ställa om, det vill säga, lägga till eller ta bort maskiner, ändra layouten eller ändra på produkter som produceras. Efter en sådan omställning så måste säkerheten i produktionsanläggningen ses över enligt föreskrivna lagar och regler. Traditionellt så kräver detta anlitande av en säkerhetsexpert. Detta medför att en omställning utifrån ett säkerhetsperspektiv är både kostsamt och tidskrävande. Med resultatet från denna avhandling så går det nu att ställa om utan att behöva implementera nya säkerhetsfunktioner efter varje förändring. Denna forskning har utvidgat kunskapsområdet inom produktionsteknik för att skapa en "smartarefabrik" genom att inkludera säkerhetsfunktioner.Resultatet inkluderar algoritmer som kan upptäcka potentiella faror i fabriken och automatiskt tillämpa säkerhetsåtgärder för ett övervakat system. Detta innebär mindre tidsåtgång och lägre kostnader för säkerhetsarbetet. De som drar mest nytta av detta är människorna som planerar för hur saker skall tillverkas med hjälp av Plug & Produce. Resultatet av detta arbete underlättar deras arbetsuppgifter och bevarar flexibiliteten i Plug & Produce, vilket eliminerar behovet av att välja mellan flexibilitet och säkerhet

Place, publisher, year, edition, pages
Trollhättan: University West, 2024. p. 54
Series
Licentiate Thesis: University West ; 45
Keywords
Plug & Produce, safety assurance, process planning, reconfigurable manufacturing
National Category
Manufacturing, Surface and Joining Technology
Research subject
Production Technology
Identifiers
urn:nbn:se:hv:diva-21142 (URN)9789189325661 (ISBN)9789189325654 (ISBN)
Presentation
2024-03-08, 111, Gustava Melins gata, Trollhättan, 09:00 (English)
Opponent
Supervisors
Available from: 2024-03-08 Created: 2024-01-30 Last updated: 2024-03-15

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Massouh, BassamRamasamy, SudhaSvensson, BoDanielsson, Fredrik

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