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배전운영 시스템에서의 ZeroMQ와 알람 정보를 이용한 운영기능 관리 시스템
김필석(Pil-Seok Kim),강호영(Ho-Young Kang),임일형(Il-Hyung Lim),박종호(Jong-Ho Park),신용학(Yong-Hak Shin) 대한전기학회 2015 전기학회논문지 Vol.64 No.8
Distribution Management System(DMS) ienhancing distribution automation system-based operation efficiency is an optimized system by various operational applications in a distribution network. DMS employs various applications like topology reconfiguration, volt/var control, and restoration at events such as overload, voltage violation, and a fault in a distribution system. An operation efficiency to employ multi-applications as restoration with short-term load forecasting is higher than a performance by a single application; and the applications are accomplished by an operator’s control. Applications’ combination is determined by various alarm information which means critical issues in order to operate a distribution system. Thus, this paper proposes an application management system which can configure application combination, control applications depending on alarm information and check their performance condition. The proposed application management system can be customized by operator easily and have high operation efficiency and reliability because it is worked by reviewed alarm information from operator.
자동차 배선용 커넥터 부품의 품질 검사 시스템 개발에 관한 연구
류정탁(Jeong-Tak Ryu),김필석(Pil-Seok Kim),이형주(Hyeong-Ju Lee) 한국산업정보학회 2021 한국산업정보학회논문지 Vol.26 No.6
본 논문에서는 자동차 배선에 사용되는 커넥터의 조립 불량 상태를 식별하는 품질 검사시스템을 개발하였다. 방수용 커넥터는 방수를 위하여 내부 Seal을 필수적으로 삽입하여야 하는데 생산 과정에서 누락되거나 이중 삽입되는 경우가 있다. 이를 구분하기 위하여 포토센서와 터치스위치를 사용하여 자동화 검사 지그를 설계하였다. 기존 육안검사의 경우 5인이 하루 8시간 검사하였을 때 6,400개의 커넥터를 검사하였으나 개발된 검사 지그를 사용할 때는 20,000개를 검사하므로 기존의 육안 검사와 비교하여 생산성이 크게 향상되었다. In this paper, a quality inspection system was developed to identify the defective assembly of connectors used in automobile wiring. For waterproof connectors, an internal seal must be inserted for waterproofing. However, there are cases where it is omitted or double-inserted during production. An automatic inspection jig was designed using photosensors and touch switches to classify good and bad connector components. In the case of the existing visual inspection, 6,400 connectors were inspected when 5 people inspected for 8 hours. However, when using the inspection jig developed under the same conditions, 20,000 pieces were inspected. In other words, the productivity is greatly improved compared to the conventional visual inspection.