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Farrell Samuel Kiling,신승준,Min-Kyu Lee,Prita Meilanitasari 한국정밀공학회 2021 International Journal of Precision Engineering and Vol.8 No.2
Assessing the environmental impacts of product systems has become critical, with emphasis on reducing carbon dioxide emissions in line with the new climate change regime. Accordingly, environmental regulations have been newly issued or have stronger requirements for inducing more energy-efficient and environmentally-conscious product development. Therefore, product developers in new product development are being forced to consider various and heterogeneous design performance and are encountering more difficulty and chaos when selecting the best product design among design candidates. The relevant studies have contributed to providing tools and techniques for increasing the environmental soundness of the product; however, they do not holistically accommodate the quantification of functional and economic metrics, nor do they incorporate the compliance with recent environmental legislations. The present work proposes an environmentally-conscious design method that integrates functional, economic, and environmental assessments with the compliance of the energy-related products (ErP) legislation. This method provides analytical capabilities including: (1) a functional assessment to derive the durability of the product to be embedded for practical measurement in the following assessments, (2) a compliance check to ensure that energy-related products fulfill the ErP directive enacted by the European Union, (3) an economic assessment to calculate the total cost during the product lifecycle by using the life cycle cost concept, and (4) an environmental assessment to quantify the environmental loads of the product by using a simplified life cycle assessment. The present work also includes a case study to demonstrate the effectiveness of the proposed method; to this end, two different electronic vacuum cleaners are compared. The results of the present work help product developers use life cycle design thinking for determining their design parameters by checking their compliance with the ErP legislation and assessing economic and environmental metrics with a mechanical analysis of the durability of product systems
상호운용적 제조지능화를 위한 OPC UA 기반 데이터 애널리틱스 모델 표현 방법
신승준(Seung-Jun Shin),프리타 메일라니타사리(Prita Meilanitasari) 대한산업공학회 2020 대한산업공학회지 Vol.46 No.6
Manufacturing intelligence necessitates interoperable data and model exchange so that machines seamlessly collect and share their data to create and use data-driven models for predictive planning and control. Open Platform Communications Unified Architecture (OPC UA) has become a powerful standard for data interoperability, and has been extended to various industrial sectors through publishing OPC UA companion specifications with collaboration of industrial consortiums. However, companion specifications for the interoperability of data analytics models have not been released yet. The present work proposes an OPC UA-based representation method for the data analytics models formalized by Predictive Model Markup Language (PMML), an XML-based language for interchanging data analytics models. This article includes: definition of mapping rules between PMML and OPC UA, design of OPC UA information models compliant with PMML, and implementation of a server-client prototype that publishes and subscribes two OPC UA model instances transformed from PMML-based regression and neural network models.