Safe Assembly Cell Layout through Risk Assessment – An Application with Hand Guided Industrial Robot

Gopinath, Varun; Ore, Fredrick; Johansen, Kerstin

doi:10.1016/j.procir.2017.03.160

Cited by 32 publications

(12 citation statements)

References 12 publications

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“…An enclosed station is shown in Figure 7, where physical fences are being used as a safeguarding measure to limit personnel movement, thereby eliminating the possibility of operator accidently entering the robot workspace. The layout of this collaborative station has been detailed by Gopinath et al [43] and in Table 2, a comparison of the design features has been discussed. The change from Design A to Design B was motivated by change in requirements namely:…”

Section: Risk Assessmentmentioning

confidence: 99%

Risk Assessment for Collaborative Operation: A Case Study on Hand-Guided Industrial Robots

Gopinath¹,

Johansen²,

Andersson³

2018

Risk Assessment

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Risk assessment is a systematic and iterative process, which involves risk analysis, where probable hazards are identified, and then corresponding risks are evaluated along with solutions to mitigate the effect of these risks. In this article, the outcome of a risk assessment process will be detailed, where a large industrial robot is used as an intelligent and flexible lifting tool that can aid operators in assembly tasks. The realization of a collaborative assembly station has several benefits, such as increased productivity and improved ergonomic work environment. The article will detail the design of the layout of a collaborative assembly workstation, which takes into account the safety and productivity concerns of automotive assembly plants. The hazards associated with hand-guided collaborative operations will also be presented.

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Section: Risk Assessmentmentioning

confidence: 99%

Risk Assessment for Collaborative Operation: A Case Study on Hand-Guided Industrial Robots

Gopinath¹,

Johansen²,

Andersson³

2018

Risk Assessment

Self Cite

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“…21,22 This possibility is associated to collaborative operation, which consists of merging the productivity characteristics of robots with the improved cognitive and decision making skills of physical operators, resulting in efficient fabrication/assembly. 23 A large number of scientific publications is available, dealing with both theoretical 24 and case study developments in automation/robotized systems, 25 which are highly relevant to continuously improve the performance of industrial systems. Araújo et al, 13 based on existing equipment for suspension-mat fabrication, designed a new and mostly automated version, which cancelled the use of human labour and reduced the cycle time by approximately 40% through the application of new concepts and extensive use of automation.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Robotized cell design for part assembly in the automotive industry

Pereira

Campilho

Silva

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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Today, the automotive industry faces its biggest challenge, which is keeping a constant evolution, accounting for the market needs in what comes to the enormous quantity of parts and systems that go hand in hand with the production of the vehicle, and at the same time, keep up with the quality requirements and deadlines. Throughout time, automation and robotics became the best way to achieve the goals required by the market. In the automotive industry, automation presents itself at a continuous evolution, constantly presenting new solutions, and the production and assembly lines increasingly resort to completely automated processes. This work is based on the needs of an automotive parts’ supplier. In which regards to the injection of plastic, the production is fluent and quick, and to take advantage of such production speed, it is desirable to execute the assembly steps immediately after the removal of the parts from the injection moulds. The proposed work consists of the design of a robotized cell with the goal of inserting metal clips in two different automotive parts after the injection process. The idea is to conceptualize and conceive a completely automated equipment, capable of executing this task using a six-axis robot. To secure the part for clip assembly, the equipment must be ready to ensure the positioning and locking of the part in all axes and, to lighten the robot’s job, it must also be capable of using a feeding system to load the robot’s tool. The results of this project were positive, the equipment was successfully concluded and delivered to the customer, meeting the construction requirements, and, most importantly, the cycle time.

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“…Industrial robots are widely used in many applications with structured and deterministic environments, i.e., automotive assembly, pick and place, material removal, furniture fabrication, 3D printing [4,12]. However, industrial robots are rarely applied in unstructured and dynamic environments, such as human-robot interaction (HRI) [3].…”

Section: Introductionmentioning

confidence: 99%

Jerk-bounded Position Controller with Real-Time Task Modification for Interactive Industrial Robots

Liu¹,

Chen²,

Sun³

et al. 2022

Preprint

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<div>This paper presents a jerk-bounded position control driver (JPC) for industrial robots. JPC provides a unified interface for tracking complex trajectories and is able to enforce dynamic constraints using motion-level control, without accessing servo-level control. Most importantly, JPC enables real-time trajectory modification. Users can overwrite the ongoing task with a new one without violating dynamic constraints. The proposed JPC is implemented and tested on the FANUC LR Mate 200id/7L robot with both artificially generated data and an interactive robot handover task. Experiments show that the proposed JPC can track complex trajectories accurately within jerk limits and seamlessly switch to new trajectory references before the ongoing task ends.</div>

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Safe Assembly Cell Layout through Risk Assessment – An Application with Hand Guided Industrial Robot

Cited by 32 publications

References 12 publications

Risk Assessment for Collaborative Operation: A Case Study on Hand-Guided Industrial Robots

Risk Assessment for Collaborative Operation: A Case Study on Hand-Guided Industrial Robots

Robotized cell design for part assembly in the automotive industry

Jerk-bounded Position Controller with Real-Time Task Modification for Interactive Industrial Robots

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