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웹 2.0 기반의 공정 모델링과 생산 시뮬레이션 연계에 관한 연구
진유의(Yooeui Jin),조문빈(Wen-Bin Zhao),이언(En Lee),정선화(Sunhwa Jung),임수민(Soomin Lim),박양호(Yangho Park),강형석(Hyungseok Kang),이주연(Jooyun Lee),정연경(Yunkyong Jung),노상도(Sang Do Noh),조현제(HyunJei Jo),조용주(YongJu Cho) (사)한국CDE학회 2011 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2011 No.1
According to society has been using information technology and product life cycle has been extremely shorter, the way to satisfy variety demands from customer has become most important issues in manufacturing companies. In order to satisfy various customer demands, it is essential that time to market for new product is reduced by the reduction of product development time and cost, and the increase of product quality. Simulation is one of the core task in manufacturing engineering and it can be a solution to reduce the product development duration within complex environment. But, to implement simulation, there is a difficulty in making simulation model. Besides, in most simulation softwares, process model is so dependent on its simulation model that reuse of simulation model is not easy. Therefore, in this study, we defined an information scheme of process and simulation model. And we developed web based process modeling and manufacturing simulation system.
EnergyPlus와 PSO알고리즘을 이용한 제조플랜트 냉난방/공조시스템의 최적 운영에 관한 연구
이언(Eon Lee),정진우(Jin Woo Jeong),조문빈(Wen Bin Zhao),노상도(Sang Do Noh) (사)한국CDE학회 2013 한국CDE학회 논문집 Vol.18 No.2
Recently, the importance of the HVAC system (Heating, Ventilating and Air Conditioning System) is growing because comfortable working environment has emerged as important element for enhancing work efficiency. HVAC system is a general term of a system that collectively creates desired temperature and state through heating and air conditioning. HVAC system consists of many objects, so it requires a lot of constraints for its effective operation. Thus, specific strategy is needed for an optimal operation of HVAC System for plant. In this paper, manufacturing plants which have HVAC systems has been modeled and the objective function and constraints for an effective operation have been defined. And new strategy for an effective operation of HVAC system with energy simulations has been proposed.
염색가공 산업의 에너지 효율화를 위한 제조현장 빅데이터 활용에 관한 연구
박규태(Kyu Tae Park),양석곤(Suk Gon Yang),박희진(Hee Jin Park),조문빈(Wen Bin Zhao),강용신(Yong Shin Kang),노상도(Sang Do Noh),김동현(Dong Hyun Kim),최수영(Su Young Choi),강용태(Yong Tae Kang) (사)한국CDE학회 2017 한국CDE학회 논문집 Vol.22 No.4
The manufacturing industry has been actively adapting ICT (Information and Communication Technology) into the field with keywords such as 4th industrial revolution. Due to collecting information and data analytics technologies, products, machines and process in the traditional manufacturing industry have become smart. In the textile industry, an efficiency in a dyeing process greatly depends on energy usage. Thus, researchers in dyeing-finishing factories focus on energy efficiency in this area. They have been trying to make energy efficient through various experiments, but haven’t achieved remarkable result due to various problems on the site. Therefore, we collect manufacturing big data and try to improve energy efficiency based on the collected data. In this paper, we consider a method to improve the energy efficiency in dyeing process using manufacturing big data. We propose a way to achieve energy efficiency in the dyeing process with lower energy usage and repeated dyeing. As a result of this paper, it is suggested that dyeing process should be instructed and controlled based on the significant variables and learning model when energy efficiency is to be utilized by using manufacturing big data. We also verify the feasibility of this argument through a case study using ANN.
활용 엔지니어링 업무를 고려한 디지털 가상공장 정보모델의 체계적인 설계방법에 관한 연구
전석호(Suk Ho Chun),정진우(Jin Woo Jeong),노상도(Sang Do Noh),조문빈(Wen-Bin Zhao),박서현(Seohyeon Park),임종완(Jong-Wan Lee) (사)한국CDE학회 2015 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2015 No.동계
Nowadays, manufacturing companies are facing changeable circumstances by global competition and various customer needs. In order to survive from this situation, manufacturing paradigm needs to be mass customization. Digital virtual manufacturing has been new paradigm of product development and work process. Digital virtual factory is the core model of digital virtual manufacturing and integrated model based on P3R (Product, Process, Resource and Plant). Researches on virtual manufacturing have been actively conducted, but they only concentrated on how to build digital virtual factory based on P3R. In this study, a new framework for application for the digital virtual factory to engineering at the design phase to address on how user intentions apply. This framework includes a schema module and decision tree for schema combination, user interface for input data and a schema merging tool. By using UML methodology, P3R schema, based on previous research on schema for the digital virtual factory, is redefined. In addition, user interface and intuitive icons are designed. An Excel schema merge tool for building final schema and scenario analysis for schema design framework are developed.
권지선(Ji Sun Kwon),전찬모(Chan Mo Jun),조문빈(Wen Bin Zhao),노상도(Sang Do Noh) (사)한국CDE학회 2014 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2014 No.2
Manufacturing industries are endeavoring to gain production competitiveness by developing various production strategies or by applying production forms based on advanced technologies. Among them, the assessment of optimized production logistics planning and application of it to reduce the cost incurred during flow of materials is significantly considered by industries. Based on importance of these assessments, this research proposes a framework and a model for assessment of production logistics by drawing quantitative results to classify by important elements of production logistics into ‘Flow’, ‘Area’ and ‘Material Handling Equipment’ from 4 different points of view to assess each of elements objectively and by bringing quantitative way of assessing after defining assessment index system for each element to derive assessment element of production logistics. . This research ultimately aims at supporting industries to make reasonable decisions by presenting objective framework and model for assessment of production logistics for planning and optimization of it to enable understanding and comparison of current level of production logistics and foundation of strategic approach to the point of improvement or future planning of production logistics.