• Title/Summary/Keyword: Smart Safety System

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Experimental Study of SBLOCA Simulation of Safety-Injection Line Break with Single Train Passive Safety System of SMART-ITL (SMART-ITL 1 계열 피동안전계통을 이용한 안전주입배관 파단 소형냉각재상실사고 모의에 대한 실험적 연구)

  • Ryu, Sung Uk;Bae, Hwang;Ryu, Hyo Bong;Byun, Sun Joon;Kim, Woo Shik;Shin, Yong-Cheol;Yi, Sung-Jae;Park, Hyun-Sik
    • Transactions of the Korean Society of Mechanical Engineers B
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    • v.40 no.3
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    • pp.165-172
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    • 2016
  • An experimental study of the thermal-hydraulic characteristics of passive safety systems (PSSs) was conducted using a system-integrated modular advanced reactor-integral test loop (SMART-ITL). The present passive safety injection system for the SMART-ITL consists of one train with the core makeup tank (CMT), the safety injection tank, and the automatic depressurization system. The objective of this study is to investigate the injection effect of the PSS on the small-break loss-of-coolant accident (SBLOCA) scenario for a 0.4 inch line break in the safety-injection system (SIS). The steady-state condition was maintained for 746 seconds before the break. When the major parameters of the target value and test results were compared, most of the thermal-hydraulic parameters agreed closely with each other. The water level of the reactor pressure vessel (RPV) was maintained higher than that of the fuel assembly plate during the transient, for the present CMT and safety injection tank (SIT) flow rate conditions. It can be seen that the capability of an emergency core cooling system is sufficient during the transient with SMART passive SISs.

Development of a CCTV Based Smart Safety Management System in Thermal Power Plants (석탄발전산업을 위한 지능형 CCTV 기반 스마트안전관리시스템 개발 연구)

  • Song, Ho Jun;Gao, Jianxi;Shin, Wan Seon
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.44 no.3
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    • pp.50-63
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    • 2021
  • There has been a steady rate of accident in Coal Thermal Power Plants which have relatively higher chance of mortality. However, neither the systematic view of safety management nor the methodology such as safety factors or system requirements are yet to be studied in detail. Therefore, this study aims to propose a methodology to preemptively deal with safety issues and to secure fact focused responsibility in safety. It consists of two main parts. First, the Safety Measurement Index(SMI) with total 50 factors is proposed by analyzing the key factors that contribute to safety accidents based on failure mode and effect analysis (FMEA) and quality function deployment (QFD). To analyze the safety requirements, index presented by major countries and organizations are discussed. Second, main features of intelligent CCTV are studied to determine their relative importance for the framework of Smart Safety Management System (SSMS). Main features are discussed with four technological steps. Also, QFD was held to analyze to analyze how key technologies deal with Quality Measurement Index(QMI). The research results of this study reveal that scientific approaches could be utilized in integrating CCTV technologies into a smart safety management system in the era of Industry 4.0. Moreover, this reasearch provides an specific approach or methodology for dealing with safety management in Coal Thermal Power Plant.

Development of Smart-Car Safety Management System Focused on Drunk Driving Control (음주제어를 중심으로 한 스마트 자동차 안전 관리 시스템 개발)

  • Lee, Se-Hwan;Cho, Dong-Uk
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.37 no.7C
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    • pp.565-575
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    • 2012
  • In the modern everyday life, cars the largest proportion of smart features that require mounting in a variety of smart devices and smart methods on have been developed. In this paper, the smart car among the main core of the safety management system optional for the control of drinking and drowsiness, as part of system development, will be drinking if you start your car automatically is to develop a system to avoid driving. For this, through image processing to analyze the driver's seat of the driver's facial color how to determine whether or not drinking alcohol is proposed. In particular, the system developed in this paper determines whether or not drinking alcohol before the face images without the need for alcohol after only a unique color change of the face appears to target only way to determine whether drinking and actual alcohol control center of a smart car safety control management system can be applied effectively. The experiment was done in 30 patients after drinking appears face color changes of them. We also perform an analysis on the statistical significance of the experimental results to verify the effectiveness of the proposed method.

Design and Implementation of a Smart Signage System based on the Internet of Things(IoT) for Elevators

  • Ryu, Hyunmi;Lee, Guisun;Park, Sunggon;Cho, Sungguk;Jeon, Byungkook
    • International journal of advanced smart convergence
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    • v.8 no.3
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    • pp.184-192
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    • 2019
  • The existing digital signage systems inside the elevators are a lack of tailored contents appropriate to the space and environment inside or outside the elevators. Also, they almost impossible to flexibly respond to various contents disclosure according to the demand of the consumers or the elevator markets. Therefore we design and implement an IoT(Internet of Things)-based smart digital signage system for the safety of elevator passengers.. In order to provide IoT-based information to the smart digital signage within the elevator, we propose an IoT system as a set-top box with gyroscope sensor, acceleration sensor, RFID(Radio-Frequency Identification), fine dust sensor, etc., which processes various data collected by the sensors and provides the elevator passengers with various tailored contents such as elevator driving information, environmental information inside and outside the elevator, and disaster information in addition to simple advertisement information. The proposed IoT system is a set-top box that operates the smart digital signage and has an independent information control processor based on the IoT sensors that do not depend on the elevator control system. For the proposed smart digital signage, it supports an operating system that is independent of the elevator driving service as well as the media service. So the smart signage system has a characteristic that it does not depend on the elevator control system since it is a stand-along IoT-based information control system. With the proposed system providing intuitive content for the surge, steep descent, and radical movements of an elevator due to an emergency situation, the elevator passengers should be able to recognize the situation quickly and respond accordingly. In the near future, the proposed system will expand the market of digital signage applied in conjunction with the development of contents in the disaster, safety and environment fields, and expect expected to revitalize related industries associated with signage.

Design of HSE Management System in a Shipyard using object-oriented Component-Based Development Method (ooCBD방법론을 적용한 조선소의 HSE관리시스템 설계)

  • Oh, Hyun-Soo;Chang, Seong-Rok;Kim, Dong-Joon
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.19 no.1
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    • pp.71-77
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    • 2013
  • Smart work has been gaining more popularity recently. Smart work means that employees perform their works anytime and anywhere as utilizing the information and communication technology. It can be divided into four categories; the mobile office, the home office, the work-at-center and the tele-cooperation. Among them, the mobile office based on tablet personal computers(PCs) or smart phones, employees can exchange information with tablet PCs or smart phones via mobile radio communication networks and portable terminals. Smart devices such as tablet PCs and smart phones help to access intranet system for requests, approvals, information search whenever employees need. This mobile office system for real-time HSE managing can contribute to improve the productivity and work efficiency in a shipyard. In this study, the main goal is to design the specialized mobile application for the HSE management system on the shipbuilding industry. The mobile application including 10 functions is designed based on ooCBD(object-oriented Component Based Development) methodology.

A Study of Head Up Display System for Next Generation Vehicle (차세대 자동차 통합스마트 모니터 시스템에 관한 연구)

  • Yun, Sung-Ha;Son, Hui-Bae;Rhee, Young-Chul
    • The Journal of the Korea institute of electronic communication sciences
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    • v.6 no.3
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    • pp.439-444
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    • 2011
  • In this paper, we implemented the intelligent smart monitor system for next generation which is most commonly viewed information in a vehicle from the instrument cluster, where speed, tachometer, fuel, engine temperature, fuel gauge, turn indicators and warning lights and provide the driver with an array of informations. Designed Smart HUD(Head-Up-Display) monitor system is composed TFT LCD, LCD Back light led, plane mirror, lens and controllers parts and it was assembled to intelligent integrated smart monitor system. Finally, we analyze intelligent integrated smart monitor system for driver safety vehicles and present the possibility to apply to smart intelligent HUD total monitor system for next generation.

Real Time Monitoring and Management Method for Electrical Safety of Customer Electrical Installations Connected to Smart Grids (스마트그리드 연계 고객전기설비 전기안전 실시간 감시 및 관리 방안)

  • Jeon, Jeong-Chay;Park, Chan-Eom;Lim, Young-Bae;Bae, Seok-Myeong
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.59 no.3
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    • pp.340-344
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    • 2010
  • In order to achieve purpose of Smart Grids, which is effective use of electrical energy, the safety of electrical installations must be secured. This paper presented real time monitoring and management method for electrical safety of customer electrical installations connected to Smart Grids. And the direction of electrical safety system for the introduction of real time monitoring and management method was suggested. Efficiency improvement of electrical safety management and new supplementary services related with Smart Girds will be available by introducing the presented method.

Institutional and Technical Improvement Measures to Facilitate the Use of Smart Construction Safety Technology (스마트 건설안전 기술 도입 촉진을 위한 제도적⋅기술적 개선 방안에 관한 연구)

  • Jaehyun Jeong;Sang I. Park;Hyungtaek Sim;Yuhee Kim
    • Journal of the Korean Society of Safety
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    • v.39 no.1
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    • pp.41-54
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    • 2024
  • Efforts to reduce on-site safety incidents have expanded, leading to active research in this domain. However, a systematic analysis to improve the utility of technology is lacking. In this study, we conducted a survey on the various institutional and technical improvement measures to promote the application of smart construction safety technology over three years after the implementation of the "Smart Safety Equipment Support Project." The results showed that financial constraint was the primary obstacle in the adoption of this innovation. Fostering a flexible environment in the utilization of management fees and financial support of projects was determined to aid in the extensive application of the technology. Ensuring cost efficiency and user-friendliness were principally necessary for technical enhancements in the smart construction safety technology. Technologies, such as VR/AR safety education, real-time location tracking, wearable devices, and innovation on streamlining safety-related work efficiency, had been anticipated to contribute to on-site safety. Operating a smart safety control center was expected to be beneficial in the systematic securing of data and reduction of safety blind spots. Effective methods had been suggested to overcome the barriers that hindered the development and application of smart construction safety technology. This study facilitates in the technological improvements in this field.

A Management of Child Care Facility for Electrical Safety using Home-Smart Cabinet Panel(H-SCP) (지능형 홈 분전반을 이용한 영유아 시설 전기 안전 관리)

  • Ahn, Jae-Min;Lim, Young-Bae;Bae, Seok-Myeong
    • Proceedings of the KIEE Conference
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    • 2011.07a
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    • pp.2144-2145
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    • 2011
  • We carry out a demonstration project to verify performance of a Home- Smart Cabinet Panel(H-SCP) at the child care facility. It is difficult to prevent an electrical disaster using a existing cabinet panel because electrical events are invisible and unforeseeable. So we construct a integrated information system with a Home-Smart Cabinet Panel(H-SCP) for management of low-voltage customers. The integrated information system with the H-SCP maintain the transmitted data from H-SCP, alert a electrical event to a administrator and show a state of customer health in real time respectively. A manager of electrical safety can prevent electrical disaster to maintain electrical facilities after analysis on the integrated information system.

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