• Title/Summary/Keyword: Human machine interface(HMI)

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A Residential 8kWh Energy Storage System (가정용 8kWh급 에너지 저장 시스템)

  • Seo, Jung-Hwa;Lee, Woo-Won;Lee, Su-Won;Han, Hee-Min;Han, Ki-Jun;Seo, Kwang-Duk
    • Proceedings of the KIPE Conference
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    • 2012.07a
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    • pp.548-549
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    • 2012
  • 본 논문은 가정용 8kWh 에너지 저장 시스템(ESS; Energy Storage System)을 제안한다. 제안하는 시스템은 신재생 에너지원으로 태양광, 에너지저장 장치로는 리튬 배터리가 적용되는 시스템으로, 단상 계통과 병렬로 연결되어 태양광 및 배터리의 직류전력을 상용 주파수 및 전압의 교류전력으로 변환하는 제어가 가능하며 또한, 계통의 교류전력을 배터리에 필요한 직류전력으로 변환하는 양방향 시스템이다. 제안하는 ESS의 제어 및 모니터링을 위하여 추가로 HMI(Human Machine Interface) 및 HMI 제어기를 사용하였다. HMI는 ESS를 원하는 형태로 동작시킬 수 있으며, 현재 시스템의 동작모드, 전력량, 배터리 정보 등의 표시 및 장애 이력을 관리한다. 그리고 HMI, PCS, 및 BMS는 서로 CAN통신으로 정보를 교환하도록 설계하였다.

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The Study on the Quality Assessment Model of Aircraft Voice Recognition Software (항공기 음성인식 소프트웨어 품질 평가 모델 연구)

  • Lee, Seung-Mok
    • Journal of Software Assessment and Valuation
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    • v.15 no.2
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    • pp.73-83
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    • 2019
  • Voice Recognition has recently been improved with AI(Artificial Intelligence) and has greatly improved the false recognition rate and provides an effective and efficient Human Machine Interface (HMI). This trend has also been applied in the defense industry, particularly in the aviation, F-35. However, for the quality evaluation of Voice Recognition, the defense industry, especially the aircraft, requires measurable quantitative models. In this paper, the quantitative evaluation model is proposed for applying Voice Recognition to aircraft. For the proposal, the evaluation items are identified from the Voice Recognition technology and ISO/IEC 25000(SQuaRE) quality attributes. Using these two perspectives, the quantitative evaluation model is proposed under aircraft operation condition and confirms the evaluation results.

Intelligent Driver Assistance Systems based on All-Around Sensing (전방향 환경인식에 기반한 지능형 운전자 보조 시스템)

  • Kim Sam-Yong;Kang Geong-Kwan;Ryu Young-Woo;Oh Se-Young;Kim Kwang-Soo;Park Sang-Cheol;Kim Jin-Won
    • Journal of the Institute of Electronics Engineers of Korea TC
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    • v.43 no.9 s.351
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    • pp.49-59
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    • 2006
  • DAS(Driver Assistance Systems) support the driver's decision making to increase safety and comfort by issuing the naming signals or even exert the active control in case of dangerous conditions. Most previous research and products intend to offer only a single warning service like the lane departure warning, collision warning, lane change assistance, etc. Although these functions elevate the driving safety and convenience to a certain degree, New type of DAS will be developed to integrate all the important functions with an efficient HMI (Human-Machine Interface) framework for various driving conditions. We propose an all-around sensing based on the integrated DAS that can also remove the blind spots using 2 cameras and 8 sonars, recognize the driving environment by lane and vehicle detection, construct a novel birds-eye HMI for easy comprehension. it can give proper warning in case of imminent danger.

A Study on the Design of the Bay Controller for Generator Protection and Control (발전기 보호제어를 위한 Bay Controller 설계에 관한 연구)

  • Jang, Nak-Won;Woo, Chun-Hee;Lee, Sung-Hwan
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.57 no.1
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    • pp.46-55
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    • 2008
  • In this paper, we designed the bay control unit that is based on the microprocessors and integrates with the new technology of electrical, electronic, and mechanical fields. Nowadays the customers have required much more integrated multi-protection relay, monitoring, control devices and power management for better and easier maintenance, performance, electrical system analysis and communication according to new trend of switchboard This bay controller supplies those requirements of customers with easy handling and operation. This bay controller provides a graphic display with rear-lit liquid crystal LCD and push buttons as kinds of HMI(Human Machine Interface). This bay controller provides the parameter setting program, control setting program, various editors and fault recording and analysis program on Windows/95/98/NT/2000/XP for HMI. In addition, this bay controller can be set manually and this manual setting function helps user to interface easily.

Production Data Utilization System for Improving the Competitiveness of SMEs (중소기업 경쟁력 향상을 위한 생산현황 데이터 활용 시스템)

  • Lee, Seung-Woo;Nam, So-Jeong;Lee, Jai-Kyung
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.37 no.2
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    • pp.55-61
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    • 2014
  • Recently, the manufacturing system is being changed in a mass customization and small quantity batch production. MES is a powerful production management tool supporting production optimization from the process initiation to the final shipment. It is a production management system which plans and executes based on the production data in the shop floor. This study deployed the utilization of production data and web HMI system to process real-time production data through the collection with the shop floor. The developed system was applied to the equipment operating time and other production data could be processed with the real-time. The proposed system and web HMI can be applied for various production systems by using different logic.

Development of Photovoltaic PCS HMI Unit (태양광 PCS HMI Unit 개발)

  • Choi, In-Sun;Lee, Jun-Chol;Kim, Myong-Hoe
    • 한국신재생에너지학회:학술대회논문집
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    • 2008.10a
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    • pp.134-137
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    • 2008
  • 현재 에너지 시장은 신흥 개발 도상국의 화석 에너지 사용량 급등 등의 요인으로 인해 고유가 시대가 지속될 것으로 전망되고 있다. 또한 화석 에너지 사용으로 지구 온난화가 지속되고 있으며, 이에 온실가스 배출을 규제하기 위한 유엔기후변화협약 및 환경변화 문제 해결을 위한 사회적인 합의가 이뤄지고 있다. 그러므로 다양한 신재생 에너지원의 연구 개발 및 사용이 가속화되고 있으며, 그중 기술적으로 가장 근접한 것이 태양광 발전이다. 본 논문은 당사에서 개발하는 50kW 태양광 PCS의 운전 상태를 감시하고, 필요 요소를 제어하며, 취득된 데이터를 eRTU 등의 상위 시스템에 개방된 프로토콜로 통신을 통해 올려주는 태양광 PCS HMI Unit에 대해 논하였다.

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Developing Visual Complexity Metrics for Automotive Human-Machine Interfaces

  • Kim, Ji Man;Hwangbo, Hwan;Ji, Yong Gu
    • Journal of the Ergonomics Society of Korea
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    • v.34 no.3
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    • pp.235-245
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    • 2015
  • Objective: The purpose of this study is to develop visual complexity metrics based on theoretical bases. Background: With the development of IT technologies, drivers process a large amount of information caused by automotive human-machine interface (HMI), such as a cluster, a head-up display, and a center-fascia. In other words, these systems are becoming more complex and dynamic than traditional driving systems. Especially, these changes can lead to the increase of visual demands. Thus, a concept and tool is required to evaluate the complicated systems. Method: We reviewed prior studies in order to analyze the visual complexity. Based on complexity studies and human perceptual characteristics, the dimensions characterizing the visual complexity were determined and defined. Results: Based on a framework and complexity dimensions, a set of metrics for quantifying the visual complexity was developed. Conclusion: We suggest metrics in terms of perceived visual complexity that can evaluate the in-vehicle displays. Application: This study can provide the theoretical bases in order to evaluate complicated systems. In addition, it can quantitatively measure the visual complexity of In-vehicle information system and be helpful to design in terms of preventing risks, such as human error and distraction.