Journal
COMPUTERS & INDUSTRIAL ENGINEERING
Volume 155, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cie.2021.107189
Keywords
Human-robot collaboration; Disassembly; Robotic disassembly; Robotic cell; Remanufacturing
Funding
- Innovate UK, United Kingdom [103667]
- Engineering and Physical Sciences Research Council (EPSRC), United Kingdom [EP/N018524/1]
- Innovate UK [103667] Funding Source: UKRI
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Disassembly is essential for the remanufacture, repair, and recycling of end-of-life products, and utilizing robots in collaboration with humans can enhance productivity and flexibility. This study introduces an experimental robotic disassembly cell with collaborative robots and a human operator, demonstrating the feasibility of automating complex disassembly tasks. The active compliance control and innovative communication method used in this cell showcase the potential for efficient and safe human-robot interaction in disassembly processes.
Disassembly is the first operation in the remanufacture, repair and recycling of products that have reached the end of their service life. Both productivity and flexibility should be considered when using robots to carry out disassembly due to the complexities associated with the products returned for remanufacturing. Human-robot collaboration is a flexible semi-automated approach to mitigate against the effects of uncertainties in the frequency, quantity and quality of those End-of-Life (EoL) products. This paper presents a new experimental robotic disassembly cell comprising two collaborative robots and a human operator. The robots and the operator can work safely in tandem for individual, parallel or common disassembly tasks in a shared workspace. Active compliance control is employed by the collaborative robots to achieve complex disassembly tasks and safe human-robot interaction. The human operator communicates with the robots using a new method based on touch sensing combined with position control. The paper first provides a short literature review of robotic disassembly and human-robot collaboration focusing on disassembly. It then describes the collaborative disassembly demonstration cell. Finally, the paper details a case study highlighting the capabilities of the cell. The case study shows that the automation of complex disassembly tasks is feasible and has the potential to release people from tedious and repetitive work.
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