• Title/Summary/Keyword: Evacuating People

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A Study on Integrated Fire Protection System for high-rise Building (초고층빌딩 통합 화재방재시스템 설계 및 구현에 관한 연구)

  • Lee, Jeong-Bae
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.2
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    • pp.39-47
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    • 2020
  • The fire protection system for high-rise buildings is currently confined to the preparation of sprinklers, emergency stairs, and exit and monitoring systems. On the other hand, an integrated system, including the model with scenario-based actions, is required for effective fire protection. An integrated fire protection system is needed to operate and manage the total cycle of the fire protection. In this study, an integrated fire protection system, which included sensing and consequent processes related to fire emergencies, was designed and implemented. The designed scheme can gather and analyze the data of the production, operation, and consumption patterns as it integrates fire protection systems for fire fighters and evacuating people. The integrated fire protection technology and system, which has target performance with satisfied 1/2 sec transaction response time and 1.2 transactions per second, is expected to contribute to market creation in converged technology-based fire protection fields.

Tool for Analyzing Activity of Evacuating and Supporting People Where are you now? Are you alright? -

  • Hayashida, Yukuo;Kiyota, Masaru;Mishima, Nobuo;Oh, Yong-sun;Yoo, Jaesoo
    • Proceedings of the Korea Contents Association Conference
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    • 2016.05a
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    • pp.247-248
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    • 2016
  • To investigate activities in the evacuated situation of people, the measurement system is newly constructed, that composed of a wearable sensor device of heart beats rates and mobile devices like an Android smartphone with a bluetooth low energy (BLE) connection. Smartphone not only displays the heart beats variation (HBR) and the current location of evacuation person by Global Positioning System (GPS), but also exports the CSV formatted file that would be used for further analyzing the activity of person in detail. As an example of the application of this system, we show the case of evacuation routes for elderly person in Hizen-Hamashuku Area, Saga Prefecture. Using the proposed measuring system, the activities of evacuates can be clearly shown on the map of Geospatial Information System (GIS).

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Economic and Evacuation Time Analysis of Horizontally-installed Indoor Emergency Exit (하향식 피난구의 경제성 및 피난 소요시간 분석)

  • Liu, Yue;Kim, Sun-Kuk;Kim, Ki-Hyuk;Lee, Dong-Hoon
    • Journal of the Korea Institute of Building Construction
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    • v.18 no.4
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    • pp.363-373
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    • 2018
  • Evacuation facilities are installed so that people can evacuate high-rise apartment houses when it is impossible to escape fire through the front door. The households of apartment houses may escape the building in two ways, which will reduce loss of lives. This study examined the characteristics of two-way evacuation facilities, including a light-weight partition wall, shelter space at the balcony and horizontally-installed indoor emergency exit. Then, it proposed a horizontally-installed outdoor emergency exit that improved the problems of the examined facility types, and analyzed its economic-feasibility. When a horizontally-installed emergency exit instead of a traditional type to escape from fire is used, people may be more autonomous in deciding whether active evacuation is possible or not. Thus, the time required to evacuate the building with 4 different evacuation methods using the stairs and horizontally-installed emergency exit was simulated in consideration of the impact of evacuation methods that people choose on the time required for evacuation using pathfinder. Then, the simulation results were compared and analyzed. Any appropriate evacuation method to reduce the time required for evacuation was predicted, analyzed and decided. As a result of this study, it was analyzed that the high - rise apartment top - down type evacuation zone can shorten the total evacuation time compared to the staircase type.

The Difference of Digestion, Sweat, Stool, Urination, Drinking, Coldness and Hotness Characteristics according to Sasang Constitutional Exterior and Interior Diagnosis (체질별 표리에 따른 소화, 땀, 대변, 소변, 음수, 한열 특성 차이)

  • Jang, Eun-Su;Baek, Young-Hwa;Park, Ki-Hyun;Lee, Si-Woo
    • Journal of Sasang Constitutional Medicine
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    • v.24 no.1
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    • pp.43-53
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    • 2012
  • 1. Objective : It is well-known that even if some people are born with same constitution, their symptoms can be different according to Exterior and Interior diagnosis. This study aimed to suggest different clinical symptoms according to Exterior and Interior group in individual Sasang constitution. 2. Methods : We collected 706 physiological and pathological data of subjects from August 2009 to July 2011 using case report form of Questionnaire. The Sasang constitutional diagnosis and Exterior and Interior diagnosis were conducted by Sasang constitutional experts. All data were analyzed with Chi-square test and significant p value was 0.05. 3. Results : There are different symptoms between Exterior and Interior group in Taeeumin as followed, the frequence of famine and burp, the part of sweat, brown or not in color of stool, painful or not in evacuating, the frequence of loose feces, the frequence of abdominal inflating, the costive feeling frequence after evacuating, foam in urine or not, urination times, amount of Coldness and Hotness in belly, the frequence of turning fale in face. Soeumin as followed, digestion well or not, amount of sweat in exercise, the brown or not in color of stool, the frequence of turning fale in face, athe frequence of clearness in urine and feeling hot. Soyangin as followed, amount of appetite, amount of sweat in hot weather, sweat in neck or not, the red color in urine or not, Coldness and Hotness in foot or not, amount of drinking. 3. Conclusions : We may suggest that physiological and pathological symptoms are different between exterior and interior group in individual Sasang constitution respectively.

A Study on the Optimized Announcement Based Evacuation Guidance Using Haas Effect (선행음 효과를 이용한 최적의 음성피난유도음에 관한 연구)

  • Baek, Eun-Sun;Kim, Sun-Woo;Baek, Geon-Jong;Shin, Hoon;Song, Min-Jeong;Kook, Chan
    • Fire Science and Engineering
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    • v.25 no.2
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    • pp.101-106
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    • 2011
  • In case of an emergency such as a fire on a building and there is a need to evacuate the occupant in that building, it is important to have the guidance information effectively delivered to the evacuating occupants to guide them toward a safe direction using audio sensual media. And, it is also very important to prevent the evacuating occupants getting lost or falling astray, away from the direction toward safety. The purpose of this study, in this respect, is to examine the possible application of the precedent sound effect, with which the evacuating occupants may get a sense of the direction where the announcement comes from. With such an effect, an experiment was conducted to measure the extent to which people can hear the preceding and the following sound in terms of the acoustic pressure level changes and delay time changes, with a view to make the optimal evacuation-guidance announcement or sound. The optimal evacuation guidance sound (announcement) per each of the experimental indoors environments were as follows; 1) Regarding the optimal condition for the evacuation guidance announcement sound in the space of a lecture room, the direction of the advanced sound is positively recognized when the follow-up sound has the delaying time of 10 ms~50 ms in comparison with the advanced sound or when there is no difference between the acoustic pressures of the advanced and follow-up sounds or the acoustic pressure of the advanced sound is higher than that of the follow-up sound. 2) Regarding the optimal evacuation guidance announcement sound in the space of a hall, the advanced sound is positively recognized when the follow-up sound has the delaying time of 20 ms~60 ms in comparison with the advanced sound. 3) Regarding the optimal evacuation guidance announcement sound in the space of a gymnasium, the advanced sound is positively recognized when the follow-up sound has the delaying time of 10 ms~40 ms in comparison with the advanced sound or when the sound pressure of the advanced sound has a higher level than or the same level as that of the follow-up sound.

Development of Evacuee Support Using Heart Rate Variability

  • Hayashida, Yukuo;Kidou, Keiko;Mishima, Nobuo;Kitagawa, Keiko;Oh, Yong-sun;Yoo, Jaesoo
    • International Journal of Contents
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    • v.13 no.2
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    • pp.1-5
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    • 2017
  • Residents under hazard and disaster conditions should be evacuating to the pre-assigned nearest safety facilities, community hall, local schools, friend's houses, etc. in a safety zone, quickly as soon as possible. The small percentage of evacuees shows serious economy class syndrome after the quake, because those people are forced to a stressful dairy evacuee-life in scattered homes and/or in-vehicle, for instance. Then, we consider on supporting evacuees using heart rate variability, Geospatial Positioning System (GPS) and WiFi functions of a smartphone, and Web-server on the Internet to keep their health in good conditions.

A Study on the Evacuation of People used the evacuation model on Fire in Shopping Mall (피난 모델을 이용한 대형할인매장의 화재시 피난에 관한 연구)

  • 이수경;이상준
    • Fire Science and Engineering
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    • v.14 no.4
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    • pp.17-22
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    • 2000
  • For life safety design of shopping mall, we selected a shopping mall, and calculated the evacuation time of means of egress. It is calculated by two kind of evacuation method. One is the computer simulation model, EXODUS. The other is Japan's method. Study way is a model structure study, selecting real shopping mall and setting scenario, calculating the evacuating time. result of study, evaluation time is very high. Therefore we confirmed that the building of means of egress is not fit to evacuation more the capacity of setting population.

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An Induction Scheme of Fast Initiative-Evacuation Based on Social Graphs

  • Taiyo, Ichinose;Tomoya, Kawakami
    • Journal of Information Processing Systems
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    • v.18 no.6
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    • pp.770-783
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    • 2022
  • Early evacuations reduce the damage caused by catastrophic events such as terrorism, tsunamis, heavy rains, landslides, and river floods. However, even when warnings are issued, people do not easily evacuate during these events. To shorten the evacuation time, initiative-evacuation and its executors, initiative evacuees, are crucial in inducing other evacuations. The initiative evacuees take the initiative in evacuating and call out to their surroundings. This paper proposes a fast method to induce initiative-evacuation based on social graphs. The candidates are determined in descending order of the number of links for each person. The proposed method was evaluated through simulations. The simulation results showed a significant reduction in evacuation time.

Traffic management for large-scale evacuation with public transportation and calculation of appropriate operating ratio

  • Ham, Seunghee;Lee, Jun;Lee, Sang Jo
    • Nuclear Engineering and Technology
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    • v.54 no.9
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    • pp.3347-3352
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    • 2022
  • In 2013, the International Atomic Energy Agency (IAEA) changed the recommended maximum range of the Emergency Planning Zone (EPZ) to 30 km, and the Kori Nuclear Power Plant in Republic of Korea has also expanded the EPZ to 30 km, following the recommendation. As a result, metropolitan cities with a high population density are contained within the EPZ, and evacuating millions of people should be considered if the 30 km range of evacuation is to take place. This study proposes an evacuation plan using buses (public transportation) to transport people outside of the EPZ, quickly and efficiently. To verify the appropriate mode share ratio of buses that can guarantee the right of vulnerable road users and reduce traffic congestion, a model was built simulating the Kori Nuclear Power Plant in Ulsan Metropolitan City. The scenarios were established by changing the mode share ratio of buses and passenger cars by 10%. Considering a large-scale network analysis at the city level, a cell transmission model was applied to calculate the evacuation time in each scenario. The result shows that the optimal mode share ratio of buses is 40%, with a total evacuation time of 132 min, considering feasible bus fleets in Ulsan Metropolitan City.

Design of an Autonomous Eating Pet Robot

  • Park, Ch.S.;Choi, B.J.;Park, S.H.;Lee, Y.J.
    • 제어로봇시스템학회:학술대회논문집
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    • 2003.10a
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    • pp.855-858
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    • 2003
  • The trends of recent developed a pet robot which interacts with people are increased gradually. There are a few pet robots that are a robot dog, robot cat, and robot fish. The pet robot is featured that it is possible to sympathize and give pleasure to human. The pet robots express delight, sorrow, surprise, and hunger through the artificial intelligence. Previously, the pet robot has to exchange the battery when it is exhausted. Commercialized robots have a self-recharging function, which express hunger. Robot dog AIBO, SONY in Japan, checks the battery for expressing hunger. They find an energy station for recharge. While operation time of AIBO is 1 hour 30 minutes, recharging time is 2 hours. Recharging time is longer than operation time. During the recharge, they don't operate. We obtain a motivation for eating the battery when find the problem. In this paper, introduce an Autonomous Eating Pet Robot and propose a design for realization. The Autonomous Eating Pet Robot has a function that is the most basic instinct that is finding a food and evacuating.

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