[논문]산업용 로봇 셀 안전기능 제어시스템 성능수준 연구

이중남; 이동호

doi:10.14346/jkosos.2023.38.3.1

산업용 로봇 셀 안전기능 제어시스템 성능수준 연구
A Study on the Performance Level of Industrial Robot Cell Safety Function Control System 원문보기

한국안전학회지 = Journal of the Korean Society of Safety, v.38 no.3, 2023년, pp.1 - 9

이중남 (인천대학교 공학대학원) , 이동호 (인천대학교 소방방재연구센터)

Abstract ▼ AI-Helper

Most existing industrial robots have fences installed around them to ensure safety. However, industrial sites are recently being transformed into workspaces shared by both robots and humans working cooperatively, wherein the robots are without security fencing owing to the development of sensor technology. However, in the last five years (2017-2021), 16 deaths have occurred due to robots at industrial sites, with the main cause of the accidents being workers approaching an industrial robot in operation and getting entangled with or colliding into the robot and its peripherals. To prevent such accidents, multilateral research is needed. To this end, this study analyzes the nonconforming contents of safety inspections for industrial robots and demonstrates the safety performance of the safety function control system implemented in an industrial robot cell. In addition, to ensure the fundamental safety of industrial robots, this study proposes the introduction of a safety certification system so that safety functions can be implemented in the design, manufacturing, and installation stages of the robots.

주제어

표/그림 (16)

표 Table 1. Items of Safety Inspection
그림 Fig. 1. Work processes subject to failure in robot safety inspection and distribution status by number of employees at workplaces.
그림 Fig. 2. Inspection items for industrial robot failure.
그림 Fig. 3. Industrial robots used without fences.
그림 Fig. 4. Industrial robots used without safety devices in fence openings.
그림 Fig. 5. Industrial robot cell and safety device location.
그림 Fig. 6. Comparison of stop category 0 and stop category 1.
그림 Fig. 7. Application scope of industrial robots and robot system safety standards.
표 Table 2. Comparison of domestic and international safety standards
그림 Fig. 8. Structure category 3.
그림 Fig. 9. Palletizing robot working floor plan.
표 Table 3. Performance Level(PL)
그림 Fig. 10. Robot cell safety function control system configuration.
그림 Fig. 11. Robot cell safety function control system PLC logic circuit.
표 Table 4. Performance level(PL)
그림 Fig. 12. Classification of robot cell safety circuit and non-safety circuit.

참고문헌 (17)

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