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Risk Assessment Process for Collaborative Assembly - A Job Safety Analysis Approach
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Maskinkonstruktion. Linköpings universitet, Tekniska fakulteten.ORCID-id: 0000-0001-9539-2163
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Maskinkonstruktion. Linköpings universitet, Tekniska fakulteten.ORCID-id: 0000-0003-1646-5817
2016 (engelsk)Inngår i: 6TH CIRP CONFERENCE ON ASSEMBLY TECHNOLOGIES AND SYSTEMS (CATS), ELSEVIER SCIENCE BV , 2016, Vol. 44, s. 199-203Konferansepaper, Publicerat paper (Fagfellevurdert)
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Abstract [en]

International safety standards state that risk assessment is the first step in understanding and eliminating hazardous work environment. The traditional method of risk assessment using Job Safety Analysis, where sequential tasks of the operator are analysed for potential risks, needs to be adapted to applications where humans and robots collaborate to complete assembly tasks. This article proposes a novel approach by placing equal emphasis on various participants working within their workspaces. An industrial case study wil be used to showcase the merits of the process when used at an early stage in the development of a collaborative assembly cell. (C) 2016 The Authors. Published by Elsevier B.V.

sted, utgiver, år, opplag, sider
ELSEVIER SCIENCE BV , 2016. Vol. 44, s. 199-203
Serie
Procedia CIRP, ISSN 2212-8271
Emneord [en]
Human Robot Collaboration; Risk Assessment; Safety Standards; Collaborative Assembly
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-129505DOI: 10.1016/j.procir.2016.02.334ISI: 000376432200033OAI: oai:DiVA.org:liu-129505DiVA, id: diva2:940110
Konferanse
6th CIRP Conference on Assembly Technologies and Systems (CATS)
Tilgjengelig fra: 2016-06-20 Laget: 2016-06-20 Sist oppdatert: 2019-11-20
Inngår i avhandling
1. On Safe Collaborative Assembly With Large Industrial Robots
Åpne denne publikasjonen i ny fane eller vindu >>On Safe Collaborative Assembly With Large Industrial Robots
2019 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

This thesis pertains to industrial safety in relation to human-robot collaboration. The aim is to enhance understanding of the nature of systems where large industrial robots collaborate with humans to complete assembly tasks. This understanding may support development and safe operations of future collaborative systems.

Industrial robots are widely used to automate manufacturing operations across several industries. The automotive industry is the largest user of robots and have identified robot-based automation as a strategy to improve efficiency in manufacturing operations.

Recently, a class of machines referred to as collaborative robots have been developed by robot manufacturers to support operators in assembly tasks. The use of these robots to support human workers in an industrial context are referred to as collaborative operations.

Presently, collaborative robots have limited reach and load carrying capacity compared to standard industrial robots. Large/standard industrial robots are widely used for applications such as welding or painting. They can, in principle support operators in assembly tasks as well.

Two laboratory demonstrators representing the final results from a series of research activities will be presented. They were developed to investigate issues related to personnel and process safety while working with large industrial robots in collaborative operations. The demonstrators were partially based on assembly workstations that are currently operational and they exemplify challenges faced by the automotive industry.

Demonstrator-based Research, a methodology for collaborative research that emphasizes development of demonstrators as a research tool, forms the rationale for carrying out research operations presented in this thesis. An evaluation of the laboratory demonstrators by industrial participants suggests an increased interest and confidence in collaborative operations with large robots. The demonstrators have served as a tentative platform for participants to identify and discuss manufacturing and safety challenges in relation to their organization.

A main outcome presented in this thesis relates to specifying requirements for introducing robots in a human-populated environment. Introducing robotic systems in new environments requires reconsideration of the nature of the hazards particular to the domain. An analysis of the laboratory demonstrators suggest that, in addition to hazards associated with normal functioning of the system, limitations in human cognition must be considered. These results will be exemplified and discussed in the context of situational and mode awareness. Additionally, a model of a collaborative workstation will be presented in terms of three constituents – workspace, tasks and interaction.

This is particularly significant considering the direction of present-day research aimed at introducing robots across various industries and working environments. In response to this trend, this thesis discusses the relevance of Interactive Research and its emphasis on joint learning that goes on between academic researchers and industrial participants as a valuable principle for collaborative research.

sted, utgiver, år, opplag, sider
Linköping: Linköping University Electronic Press, 2019. s. 79
Serie
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 2026
HSV kategori
Identifikatorer
urn:nbn:se:liu:diva-162134 (URN)10.3384/diss.diva-162134 (DOI)9789179299774 (ISBN)
Disputas
2019-12-13, C3, C-huset, Campus Valla, Linköping, 10:15 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2019-11-20 Laget: 2019-11-20 Sist oppdatert: 2019-11-20bibliografisk kontrollert

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