• 제목/요약/키워드: computer design

검색결과 17,160건 처리시간 0.04초

Object Oriented Design and Implementation of HMI GUI Design Tool

  • Chung Soon Bo;Sun Bok Keun;Han Kwang Rok;Kim Soo Hi
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2004년도 학술대회지
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    • pp.751-754
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    • 2004
  • Nowadays a large number of PLCs are being used in automatic machines for factory automation in industry, and HMI is essential for the effective and convenient operation of PLCs. Each screen displayed in actual EMI equipment should be created, modified and deleted using a PC-based editor and it should be composed of necessary display components to express desired OUI. Based object-oriented development methodology, this study designed screen objects representing a editing screen, display components forming the UI of screens and data management objects necessary for data exchange with HIM system and, based on the objects, implemented a HMI screen editor.

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Analysis and Design of LCL Filter with Passive Damping Circuits for Three-phase Grid-connected Inverters

  • Ahn, Hyo Min;Oh, Chang-Yeol;Sung, Won-Yong;Ahn, Jung-Hoon;Lee, Byoung Kuk
    • Journal of Electrical Engineering and Technology
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    • 제12권1호
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    • pp.217-224
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    • 2017
  • The analysis and design process of the LCL filter with passive damping circuits for three-phase grid-connected inverter are presented based on the generalized model of LCL filter. Several types of the passive damping circuits in previous studies could be compared and analyzed by using the generalized model considering various design criteria of passive damping circuits. According to the analysis in this paper, a reasonable configuration of passive damping circuits for three-phase grid-connected inverters is proposed. The validity of the proposed design process is verified by informative simulation and experimental results.

Energy Efficient Control Scheme in Wireless Sensor Networks

  • Pongot, Kamil;Jeong, Woo-Jin;Lee, Jae-Yoon;Yoon, Dong-Weon;Park, Sang-Kyu
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2008년도 하계종합학술대회
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    • pp.371-372
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    • 2008
  • In this paper, we consider wireless sensor networks with hard energy constraint, where each node is powered by a small battery. Under this hard constraint, reducing energy consumption is the most important design consideration for wireless sensor networks. Energy saving and control is an important issue, involved in the design of most sensor nodes. In this context, we focus on physical layer design where energy constraint problem can be modeled as an optimization of transmission modulation scheme[1]. Specifically, our analyses are based on energy control schemes that are relative to physical layer design on upper bound SEP MPSK in AWGN channels.

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Application of Virtual Surgical Planning with Computer Assisted Design and Manufacturing Technology to Cranio-Maxillofacial Surgery

  • Zhao, Linping;Patel, Pravin K.;Cohen, Mimis
    • Archives of Plastic Surgery
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    • 제39권4호
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    • pp.309-316
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    • 2012
  • Computer aided design and manufacturing (CAD/CAM) technology today is the standard in manufacturing industry. The application of the CAD/CAM technology, together with the emerging 3D medical images based virtual surgical planning (VSP) technology, to craniomaxillofacial reconstruction has been gaining increasing attention to reconstructive surgeons. This article illustrates the components, system and clinical management of the VSP and CAD/CAM technology including: data acquisition, virtual surgical and treatment planning, individual implant design and fabrication, and outcome assessment. It focuses primarily on the technical aspects of the VSP and CAD/CAM system to improve the predictability of the planning and outcome.

인터넷 기반 프로펠러 설계 시스템 개발 (Development of Internet-Based Propeller Design System)

  • 이왕수;박범진;이창섭
    • 대한조선학회논문집
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    • 제40권6호
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    • pp.69-79
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    • 2003
  • Existing large-scale complex programs usually reside In a single computer, and the user has to be physically in contact with the computer. With the wide spread use of the internet, the need to carry out the design and analysis tasks geographically away from the main computer is increasing. In this paper existing Windows-based propeller design and analysis package is separated into the server-client modules and the protocol program is developed to implement the communication between multi-client computers and a single server computer. A new protocol packet is designed to use the Windows socket and the server/client programs control the receive/send operations using the information transmitted in the packet. Test runs show that the remote user, connected to the server computer through the internet only, can perform the required tasks.

유도무기 통합최적화설계를 위한 전산프레임워크 개발연구 (Development of Missile Design Computer Framework for the Multidisciplinary Optimization)

  • 김우현;이승진;이재우;변영환
    • 한국전산구조공학회:학술대회논문집
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    • 한국전산구조공학회 2006년도 정기 학술대회 논문집
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    • pp.307-314
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    • 2006
  • Missile system. which requires high speed/high maneuverability is getting more important as a defensive weapon system. Integrated design environment which includes all related resources during the missile development process, is a very useful development tool, Therefor the design framework can perform the operation analysis and utilize design information for the efficient missile design. For this purpose, various analysis computer codes under heterogeneous platforms and operating systems, the database, the optimization module, and Ideas a commercial CAD are integrated using distributed. middleware. and the complicated GUI design has been made for the specific missile system design. Under the various constraint, maximize missile range and loadfactor with missile design computer framework.

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건축물 자동 공간계획 프로그램 개발에 관한 연구 (A Study on the Automatic Architectural Space Design Computer Program)

  • 임명구
    • 한국디지털건축인테리어학회논문집
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    • 제7권1호
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    • pp.1-6
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    • 2007
  • In this study, we fill a person's shoes human knowledge use a computer fast and simple repetition in architecture design. this study are launched from a assumption that a optimized arrangement spaces are able to measure and gauge. but automatic space arrangement program is first step, we have a value that propose a differential cell space and valuation space and process of optimized space arrangement. the merits of this design process are as follows; 1. this program has a advantage high the building-to-land ratio land and business area in space design. 2.this program can design a economy building and calculate rent benefit and calculate cost of construction. 3. this program can adapt for digital GIS. this program can down cost in labor productivity. 5. a layman can design high level. the weak point of this design process are as follows; 1. the design product is simple box shape. 2. this program has a weak in large area and complicated land shape 3. complex use space design are difficult in this program.

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컴퓨터공학 분야의 캡스톤디자인 모델 사례 연구 (Case Study on Capstone Design Model for Computer Engineering)

  • 강환수;조진형;김희천
    • 디지털융복합연구
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    • 제14권5호
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    • pp.57-66
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    • 2016
  • 본 연구에서는 동양미래대학 컴퓨터정보공학과의 캡스톤디자인 관련 교과목을 소개하고, 2015년 1년 동안의 운영 사례를 통하여 컴퓨터공학 분야의 캡스톤디자인 모델을 제안한다. 2015학년도 1학기와 2학기에 각각 운영된 '시스템분석설계'와 '졸업작품(종합설계)'에 대한 운영 사례에서 수업 일정과 내용 등을 제시하고, 컴퓨터공학 분야에서 창의적 문제해결 능력을 갖춘 현장실무형 인재양성을 위한 캡스톤디자인의 성공적인 운영을 위해 캡스톤디자인 모델의 수행 단계를 교과목계획, 프로젝트계획, 개발 구현, 결과보고, 학생 및 교과목평가, 교과목환류의 6단계로 제안하며, 각 단계에서의 주요 사항을 제시한다. 본 연구의 캡스톤디자인 모델의 특징은 거시적인 관점에서 '교과목계획'과 '교과목환류'와 같은 사전 사후 단계의 필요성과 중요성을 제시하며, 소프트웨어공학 요소인 프로토타입과 형상관리 등을 활용한다는 점이다.

기계요소설계 과목을 위한 교육용 소프트웨어 개발 (Software development for the machine element design course)

  • 박경진;도성희
    • 대한기계학회논문집A
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    • 제21권8호
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    • pp.1348-1355
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    • 1997
  • Machine element design is a very important course in the undergraduate program of mechanical engineering in that it presents traditional design concepts. While computer aided design(CAD) receives more attention, students tend to ignore the machine element design or traditional design concepts. However, design methodologies related to machine elements are utilized quite often in practical fields. Also, design methodologies provide good insight for the decision making process of modern design. Generally, CAD is used for simple drafting without the real design process in the undergraduate program. Design software has been developed for various machine elements. Through menu display, a user can select or furnish the design input such as design objects, dimensions, environmental forces and usages, and safety factors. Then the software carries out the design processes which are the same as those of textbooks. The result of the design is filtered to have the values in the standards. The designed machine element is drawn via commercial CAD software. The software has been developed with C language on a personal computer. The developed software is being utilized successfully in a design course, and the experiences are discussed in this paper. The software can be used in industries which require the repeated process of the machine element design.