• 한국산학기술학회논문지
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• 제12권10호
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• pp.4574-4577
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• 2011

본 논문에서는 USN(Ubiquitous Sensor Network)에서 사용되는 홈네트워크의 구조를 분석하고, 가정 자동화를 위한 임베디드 시스템을 안드로이드 OS상에서 구현하였다. 개발된 시스템은 홈 네트워크 구축을 위해 무선통신을 이용하므로 설치의 어려움을 최소화 할 수 있는 장점이 있으며, 집을 구성하는 전자적인 컴포넌트에 따라 미리 정의해 놓은 아이디 기반으로 가정 자동화시스템을 구축하였다. 또한, 가정 자동화에 적합한 데이터 구조를 정의하고 패킷의 구조에 따라 안드로이드 OS기반의 응용프로그램을 개발하여 가정 자동화를 위한 임베디드 시스템을 개발하였다.

• 한국태양에너지학회:학술대회논문집
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• 한국태양에너지학회 2009년도 추계학술발표대회 논문집
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• pp.136-141
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• 2009

Considerable part of energy consumption is occurred by through buildings. Especially, Lighting energy consumption is most part of one in building. There is very various ways and systems for saving lighting energy. In method, It can be divided Passive Daylighting System and Active Daylighting System. Louver, Screen and use of window's character is representative ways of passive system. Reflection mirror, optical pipe and optical fiber is representative method of active system. Introducing day light on which place can't be introduced day light by typical method is important advantage of active system. Except introducing day lighting methods, efficient lighting management system can save lighting energy. It called lighting automation system. Representatively, Occupancy-related automation and Brightness-related automation system is that. According to occupancy and introducing daylighting level properly operate lamp's intensity of illumination that can save lots of energy. Though Introducing daylighting method, effective lighting system we can get proper intensity of illuminance level and energy saving.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2008년도 추계 학술논문 발표대회
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• pp.213-218
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• 2008

Recently automatic construction system is attended in construction domains because of the increase of aged workers and the shortage of the experienced. The research level of automatic construction system in Korea will soon attain to the stage of full automation like Japan, which is the highest level in the world. However, in the fully automated level, it is difficult for the automatic system to operate flexibly like the human in various work condition. In the result, the higher the level of automation in the system is, the less efficient the automatic system work in the site. So, it's necessary the development material design to compensate for the flexibility shortage of the system. Therefore, this study proposes the development process to material design suitable for automatic construction system using QFD technique.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2009년도 추계 학술논문 발표대회
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• pp.235-239
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• 2009

As robotic technologies have become more actively utilized to automate many construction tasks, they have been able to improve the construction productivity, quality, and worker's safety on site. A new advanced system, Robot-based Construction Automation (RCA) system, is currently being developed. To accomplish RCA system effectively, Design for automation (DFA) should be performed in automation system developing phase. The performance criteria of this system are a major cause of design changes. It is required exhaustive review for development new system. This research analyzed the design changes of Climbing Hydraulic Robot system and Construction Factory (CF), being currently developed in the field of applied RCA systems. And the design change matters according to performance criteria in each system's design-by-step were analyzed. The purpose of this research is developing the performance criteria in the developing phase of RCA system, and then will be served as basis for system design in similar projects.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2009년도 춘계 학술논문 발표대회 학계
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• pp.1-4
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• 2009

Construction automation and robotics are being introduced as an efficient alternative to overcome troubles caused by lack of skilled labors. To accomplish effective automated construction system, design for automation(DFA) should be performed in parallel with the development of core technologies such as control and sensing of robots. In Korea, the development of robotic crane-based construction automation(RCA) system is progressing, and the research group has recently developed newly designed steel joint to improve the efficiency of the system. However, performance of the new system should be examined prior to its application on construction sites. Therefore, This study analyzed performance of the new steel frame focused on its constructibility by carrying out mock-up test. As a result, the steel frame satisfied the standards of allowable stress and deflection. It also enables to reduce the time for installation.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2020년도 가을 학술논문 발표대회
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• pp.175-176
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• 2020

As the concrete pouring work relies on manual work, there is a lot of room for automated equipment development. In this study, as a basic study on the development of an automated system for pouring concrete, the trend of patent applications by year, country and detailed technology was investigated. Related technologies were classified into screed automation, CPB automation, and concrete pouring integrated system to analyze patent application trends. As a result, since 1999, patent applications have been steadily in progress, repeating increases and decreases in Japan, Korea, the United States, and Europe. In addition, the growth stage of the market is in the early stages of maturity, and patent applications for related technologies are expected to continue. In the future, based on the patent application trend analyzed in this study, the development direction of the automated concrete pouring system will be reviewed and the redundancy of similar technologies will be reviewed.

• 한국측량학회:학술대회논문집
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• 한국측량학회 2010년 춘계학술발표회 논문집
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• pp.235-238
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• 2010

Since the mid 1990s airborne LiDAR data have been widely used, automation of building modeling is getting a central issue. LiDAR data processing for building modeling is involved with extracting surface patch elements by segmentation and surface fitting with optimal mathematical functions. In this study, simulation LiDAR data were generated with complex polyhedral roofs of buildings and an automatic modeling approach was proposed.

• 중소기업연구
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• 제41권4호
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• pp.1-36
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• 2019

본 연구의 목적은 스마트 팩토리의 전략적 활용을 위한 스마트 팩토리 구축 목적 - 스마트 팩토리 구축내용 - 스마트 팩토리 지속적 활용 간의 관계를 파악하는 것이다. 구체적으로 본 연구는 스마트 팩토리 구축 목적을 두 가지 요인 - (1) 생산성 향상, (2) 유연성 향상 - 으로 구분하고, 이들 각각이 다음의 3가지 측면의 스마트 팩토리 구축내용 - (1) 자동화 영역(설비 자동화, 업무 자동화), (2) 제조 빅데이터 기술 활용영역(생산 프로세스의 재구축을 위한 제조 빅데이터 활용, 생산 프로세스의 점진적 개선을 위한 제조 빅데이터 활용), 그리고 (3) 가치사슬 통합 범위(내부통합, 외부통합) - 에 미치는 영향을 파악하고, 이어서 본 연구는 스마트 팩토리 구축 내용이 스마트 팩토리 지속적 활용에 미치는 영향을 조사하였다. 또한, 기업규모에 따라 스마트 팩토리 구축 목적 - 스마트 팩토리 구축 내용 - 스마트 팩토리의 지속적 활용 간의 관계가 어떻게 달라지는 지를 살펴보았다. 본 연구의 실증분석은 총 151개의 표본기업들을 대상으로 하였다. 표본기업들의 구성은 중소기업 100개사와 대기업 51개사로 구성되었다. 이의 분석결과는 다음과 같다. 첫째, 생산성 및 유연성 향상이라는 스마트 팩토리 구축 목적은 스마트 팩토리의 모든 구축 내용 변수들에 긍정적 영향을 주었다. 둘째, 스마트 팩토리 구축 내용들로서 설비 자동화, 업무 자동화, 생산 프로세스의 재구축을 위한 제조 빅데이터 활용, 내부 가치사슬 통합, 외부 가치사슬 통합은 스마트 팩토리의 지속적 활용에 긍정적 영향을 주었다. 셋째, 스마트 팩토리 구축 목적이 스마트 팩토리 구축 내용에 미치는 영향은 구축 목적이 생산성 향상이냐 혹은 유연성 향상이냐에 따라 차이가 있음을 확인할 수 있었다. 넷째, 기업규모에 따른 조절효과 분석 결과 기업규모에 따라서 스마트 팩토리의 구축 목적과 구축 내용 간에 차이가 있는 것으로 나타났다.

• 전기학회논문지
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• 제56권4호
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• pp.799-808
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• 2007

BACnet is an international standard communication protocol especially designed for building automation and control systems. BACnet uses the Master-Slave/Token-Passing (MS/TP) protocol as one of its field-level networks. A BACnet MS/TP field controller prototype and MS/TP network monitoring system are developed in this study. This report introduces the design and implementation methodology of a BACnet MS/TP field controller hardware, firmware and protocol stack. This report also presents the implementation methodology of BACnet MS/TP network monitoring system using VTS (Visual Test Shell). The methodologies introduced in this report will facilitate the develop and implementation of the BACnet-based control systems in building automation area.

• 연구논문집
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• 통권34호
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• pp.87-99
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• 2004

A spring tension control device is used as a very important part of an twister system. The friction force of tensioner must keep same friction force during winding in package. For satisfy this function, many device used common compression coil spring. In this paper, by using the case-building technique which was based on simple theory that unknown design variables are induced by given input design variables by the designer, design automation algorithm about rectangular section compression springs with elastic characteristic is developed. Four design equation are justified in using of analysis of torsion of straight bar of rectangular section and geometrical condition of coil spring. Four design equation and nine design variables are computed by case-building technique.