The Society of Convergence Knowledge Transactions ISSN:2287-8920(Print) 융복합지식학회논문지

Most of the small and medium-sized manufacturing companies are considering the introduction of smart facilities to increase productivity and manufacturing competitiveness, but it is difficult to convert to a smart factory due to insufficient investment. However, as ordering companies recently requested information such as production status and defect rate, SMEs are feeling the need to build a smart factory to secure reliability. Therefore, in this paper, aiming at CNC facilities, we designed and implemented a facility monitoring system using power data to support the establishment of smart factories of small and medium-sized enterprises (SMEs). The developed system uses time series data of power supplied to facilities collected from IoT sensor devices to detect abnormal changes in power required for the operation of production facilities, thereby revealing the relationship between abnormal changes in power and quality factors for each product in the future. By providing a power measurement that can be easily measured in almost any field, productivity can be improved.