• 제목/요약/키워드: physical system

검색결과 9,189건 처리시간 0.033초

부산항 컨테이너 물류 시스템의 비용분석에 관하여 (On the Cost Analysis of Container Physical Distribution System in Pusan Port)

  • 박창호;이철영
    • 한국항해학회지
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    • 제15권3호
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    • pp.13-24
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    • 1991
  • This paper aims to determining the optimal capacity of Pusan port in view point of Container Physical Distribution cost. It has been established a coast model of the container physical distribution system in Pusan port is composed of 4 sub-systems and in-land transport system. Cargo handling system, transfer & storage system and in-land transport system, and analyzed the cost model of the system. From this analysis, we found that the system had 7 routes including in-land transport by rail or road and coastal transport by feeder ship between Pusan port and cargo owner's door. Though railway transport cost was relatively cheap, but, it was limited to choose railway transport routes due to the introducing of transport cargo allocation practice caused by shortage of railway transport capacity. The physical distribution ost for total import & export container through Pusan port was composed of 4.47% in port entring cost, 12.98% in cargo handling cost, 7.44% in transfer & storage cost and 75.11% in in-land transport cost. Investigation in case of BCTOC verified the results as follows. 1) The optimal level of one time cargo handling was verified 236VAN (377TEU) and annual optimal handling capacity was calculated in 516, 840VAN(826, 944TEU) where berth occupancy is $\rho$=0.6 when regardless of port congestion cost, 2) The optimal level of one time cargo handling was verified 252VAN (403TEU) and annual optimal handling capacity was calculated in 502, 110VAN (803, 376TEU) where berth occupancy is $\rho$=0.58 when considering of port congestion cost.

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A Cyber-Physical Information System for Smart Buildings with Collaborative Information Fusion

  • Liu, Qing;Li, Lanlan
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제16권5호
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    • pp.1516-1539
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    • 2022
  • This article shows a set of physical information fusion IoT systems that we designed for smart buildings. Its essence is a computer system that combines physical quantities in buildings with quantitative analysis and control. In the part of the Internet of Things, its mechanism is controlled by a monitoring system based on sensor networks and computer-based algorithms. Based on the design idea of the agent, we have realized human-machine interaction (HMI) and machine-machine interaction (MMI). Among them, HMI is realized through human-machine interaction, while MMI is realized through embedded computing, sensors, controllers, and execution. Device and wireless communication network. This article mainly focuses on the function of wireless sensor networks and MMI in environmental monitoring. This function plays a fundamental role in building security, environmental control, HVAC, and other smart building control systems. The article not only discusses various network applications and their implementation based on agent design but also demonstrates our collaborative information fusion strategy. This strategy can provide a stable incentive method for the system through collaborative information fusion when the sensor system is unstable in the physical measurements, thereby preventing system jitter and unstable response caused by uncertain disturbances and environmental factors. This article also gives the results of the system test. The results show that through the CPS interaction of HMI and MMI, the intelligent building IoT system can achieve comprehensive monitoring, thereby providing support and expansion for advanced automation management.

제주 실시간 풍력발전 출력 예측시스템 개발을 위한 개념설계 연구 (A study on the Conceptual Design for the Real-time wind Power Prediction System in Jeju)

  • 이영미;유명숙;최홍석;김용준;서영준
    • 전기학회논문지
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    • 제59권12호
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    • pp.2202-2211
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    • 2010
  • The wind power prediction system is composed of a meteorological forecasting module, calculation module of wind power output and HMI(Human Machine Interface) visualization system. The final information from this system is a short-term (6hr ahead) and mid-term (48hr ahead) wind power prediction value. The meteorological forecasting module for wind speed and direction forecasting is a combination of physical and statistical model. In this system, the WRF(Weather Research and Forecasting) model, which is a three-dimensional numerical weather model, is used as the physical model and the GFS(Global Forecasting System) models is used for initial condition forecasting. The 100m resolution terrain data is used to improve the accuracy of this system. In addition, optimization of the physical model carried out using historic weather data in Jeju. The mid-term prediction value from the physical model is used in the statistical method for a short-term prediction. The final power prediction is calculated using an optimal adjustment between the currently observed data and data predicted from the power curve model. The final wind power prediction value is provided to customs using a HMI visualization system. The aim of this study is to further improve the accuracy of this prediction system and develop a practical system for power system operation and the energy market in the Smart-Grid.

건강증진을 위한 보건정보 (The Health Information for Health Promotion)

  • 김종갑;강성홍
    • 보건교육건강증진학회지
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    • 제10권1호
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    • pp.21-33
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    • 1993
  • Human health is affected by physical, social, cultural, economic, and political environment. To improve health status, of the people we need much support from social system and to make social supporting system effective for health promotion, we need health information. Because, the health information is basic to the social supporting system for health promotion. So, we should construct health information systems as follows : 1. Health information system for children 2. Health information system for families 3. Health information system for adolescents 4. Health information system for mothers 5. Health information system for workers 6. Health information system for physical handicapped 7. Health information system for elders

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Parotec System을 이용한 족저압 측정의 신뢰도 (Reliability of Plantar Pressure Measures Using the Parotec System)

  • 노정석;김택훈
    • 한국전문물리치료학회지
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    • 제8권3호
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    • pp.35-41
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    • 2001
  • In-shoe measurement systems allow the clinician and researcher to examine the pressure parameters within the shoe. The purpose of this study was to investigate the test-retest reliability of plantar pressures using the Parotec system over speeds and plantar regions. Seventeen healthy subjects were recruited for the study. Sampling rate was 100 Hz, and data of six variables (pressure on medial heel, lateral heel, 1st metatarsal head, 5th metatarsal head, and great toe and total impulse) were collected in four different gait speed (1.0 m/sec, 1.5 m/sec, 2.0 m/sec, and comfortable walking speed) in each day. The result indicates fair to excellent reliability between the two day test. Intraclass correlation coefficients (ICCs) ranged from .693 to .979, and range of reliability was similar depending on the speed and plantar region. In most cases, data recorded by the Parotec systems provide good evidence for the reliability.

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Medical Exercise Therapy의 이론과 적용에 관한 연구 (Medical Exercise Therapy Theory and Its application)

  • 구희서
    • The Journal of Korean Physical Therapy
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    • 제12권3호
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    • pp.361-368
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    • 2000
  • MET is one of the few physical therapy having its own criteria. Mr. Holten approached the Norwegian Health Authority in 1967 to get his MET System recognized as a treatment method of its own. He was granted his approval for his exercise system's specivic criteria connecteed with the treatment method. In MET, the patient exercises himself without manual participation by physiotherapists, however, under continuous supervision.. The apparatus should be designed that functional quality (arthrogenous, circulatory, respiratory, neuromuscular) in question is optimally influenced when the patient carries out exercise in a certain range against a graded resistance. The therapy reassesses the scheme of treatment at least every fifth session and the maximum number of patients being 5 person per hour. The important principles in medical exercise Therapy are stabilization of hyperfunction through the system of autostabilization and mobilization of hypofunction through automobilization. In MET excrcises are adjusted to the patient's reactions. MET equipment is therefore made to meet requirements for treating patients with painful pathological dysfunction in the musculo-skeletal system.

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물리적 의료서비스 품질 개선이 미숙아 생존율에 미치는 영향 (The Effect of Physical Aspects of Quality Improvement in Medical Services on Premature Infants' Survival Rate)

  • 최진;정관용;박지윤
    • 한국시스템다이내믹스연구
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    • 제6권2호
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    • pp.73-93
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    • 2005
  • This paper on an experiment, using System Dynamics, on the affect of increase in number of beds and medical instruments used for the care of premature infants, which constitute the physical requirements in quality of medical services, on changes in the survival rate of premature in ants that leads to demographic changes of Newborn infants. The model has four sectors: take-in capacity, survival rate of premature infants, demographics without newborn infants and demographics with newborn infants. The model simulates the changes in demographics of the newborn infants from 2002 to 2022. The study results show that the survival rate of premature infants can be increased by improving the physical aspects in the quality of medical services. An average of 1,900 premature infants can survive as a result of the physical quality improvements in medical services, adding up to an increase of 37,300 newborn infants by the year 2022.

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Designing Flexible Packets for Multi-Satellite Data Transmission in a Physical Network Separation Environment

  • Baek, Hyun Chul;Lee, Sang Jeong
    • 항공우주시스템공학회지
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    • 제14권6호
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    • pp.26-35
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    • 2020
  • The national satellite operation network, which supports multiple satellites, was designated as a Critical Information Infrastructure (CII) in 2017. The network was designed independently from the control network and the information network to enhance physical security. Planning is underway to establish a bidirectional data interface between networks. The data transmission system allows data flow only to the physical layer and the data link layer; hence, only one file can be transferred at any one time. This means that when large amounts of data are being transmitted, no other data can be sent simultaneously in urgent situations. Thus, this paper discusses the design of flexible packets for the transmission of data between networks in an environment where physical security has been enhanced through network separation and based on this, presents a method for transmitting data effectively.

가정 물리치료제도에 대한 인식 및 필요에 대한 조사연구 -가정간호수습생을 대상으로- (A Study on the Needs and Understanding about the Home Physical Therapy System)

  • 권혜정;홍완성;김명준;양영애;황성수
    • 대한물리치료과학회지
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    • 제6권3호
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    • pp.125-143
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    • 1999
  • The purpose of this study was to investigate the need and understanding about the physical therapy. The subjects of this study were 101 licensee nurses who was taking the home nursing trainers. The results were as follows: 1. The home nursing trainers(97.1%) were required the need for home physical therapy service. The reasons which requires the home physical therapy were 'the increased elderly patients(97.0%)', 'the early leaving of the hospital(96.0.%)', 'the lack of caretakers(96.0%)', and 'the increased chronic patients(96.0%)'. 2. The ratio of affirmation of home physical therapy system was 97% of the home nursing trainers, the reasons which were helped the patients was 'the saved time(97.0%)'. 'the decreased psychological stress(95.0%)' 'the continuing treatment after discharge(93.0%)' and 'the teaching patients and caretakers(93.0%)'. 3. The main center which was organized the home physical therapy service was 'the department of home physical therapy arid the home nurse(42.6%)', 'the department of home nurse(22.8%)', and 'the department of home physical therapy(1l.9%)'. 4. The home nursing trainers wanted to learn the home physical therapy methods for chronic patients(95.0%). The contents of home physical therapy methods was 'the therapeutic exercise for preventing deformity(15.4%)', and 'maintenance of normal posture and howe to change body position(12.4%)'. 5. Statistically significant difference in the teams (the home physical therapy, the home nurse, and the home physical therapy with the home nurse) was found between the age groups, and statistically significant difference in the teams was found between the educational degree groups.

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스타니슬랍스키 연구사 -국내 스타니슬랍스키 수용·번역·연구의 제 문제를 중심으로 (Research-history on Stanislawski in Korea -focused on problems of Reception, translation and research-)

  • 김대현
    • 한국연극학
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    • 제40호
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    • pp.345-400
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    • 2010
  • Konstantin S. Stanislawski(1863-1938) is one of the great acting-teachers and directors. Especially his 'System' influences this day like his period so many actors and directors in the world. In Korea, Stanislawski was introduced at first in 1920's by Kim, Woojin, dramatist. After that time, his system was influenced fast everyone in the korean drama world. As a result, so many translations of his books and researches of his system are done until nowadays, but it is not perfect for the correct understanding of Stanislawski and his system. It seems to be several causes in this misunderstanding. And the purpose of this thesis is at first to observe historically the results of researches and translations on Stanislawski and his system in Korea and then to bring it in order according to characteristics. In this thesis are the process of reception observed dividing 4 periods. The first period is from the beginning to the liberation in 1945. The second is to 1980's and the next is to the year 2000. And the final period is from that time to the present time. As a result are several characteristics found as followings: 1) translations of Stanislawski's first book like other books, for example, Building a Character and Creating a Role, an Actor Prepares, are fast all secondhand translations, that means, man translated it not from russian direct but japanese or english. It caused man to misusing of terms and then misunderstanding on the system. 2) the researches on Stanislawski in are fast all concentrated on the book, an Actor Prepares, so this leads man to regard it as his whole acting system. On the other hand, thesisses which deal with his last and final acting technique, "the Method of the physical Action" are relatively not so much. As though man knows the last, man used to think that the system is developed systematically from the psychological technique to the physical action or the method of the physical action is only the way to understand of stanislawski's acting method. The psychological method and the physical are not the divided, different acting technique, but pairs which are applied to different objects, that is, the actor himself and the role in texts. 3) the political aspects are not considered especially under the situation of Stalin's social realism. This lack of the political context having relation with the system acts as a obstacle upon understanding the correct, whole his system. But so many thesises on this theme in other countries are so vivacious. For example, man can find subjects like "Stanislawski and Meyerhold", "means of Stanislawski's method for theatres in the social context". There are also many interesting Questions related to the physical action. That is, is the physical action the final acting technique or the materialistic dialectical device to survive under the Stalin's rule? Is there some interrelations between stanislawski's physical action and Meyerhold's biomechanics? In conclusion, the researches on Stanislwski and his system are not enough to understand correctly and overcome the system. We have to start the research again at least from the direct translation his books written russian in order to apply it in a new times.