• Title/Summary/Keyword: Designation System

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Mode Switching Control Design for Gun/Turret Driving System (포/포탑 구동장치의 모드 스위칭 제어기 설계)

  • Baek, Seoung-Mun;Kim, Ji-Young;Yim, Jong-Bin;Lyou, Joon
    • Proceedings of the KIEE Conference
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    • 2004.05a
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    • pp.33-37
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    • 2004
  • To meet an increasing demand for high performance in gun dynamic plant, both a precise and a fast response positioning are strongly required for the gun servomechanism control. A mode switching control(MSC) system, which includes a fine stabilizing controller, fast positioning one and a switching function, is widely used to meet this requirement. Stabilization is performed through PID controller, while proximate time optimal servo(PTOS) is used for target designation. Because gun dynamic have large damping comparing to acceleration, PTOS algorithm with damping is newly derived. This paper adopts the initial value compensation method that improve the transient response after switching. Some simulation results are given to show the effectiveness of our scheme.

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Study on the Improvement of the Korean Emission Trading System (국내 배출권거래제도 개선 방안: 관련 법령을 중심으로)

  • Hong, Wonkyung
    • Journal of Climate Change Research
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    • v.7 no.2
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    • pp.121-135
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    • 2016
  • Korean Emission Trading Scheme entered into force on 1 January 2015. As other Emission Trading Systems, Korean Emission Trading System also have some deficiencies to be complemented and improved. Thus, the issues that are related to legal characteristics of emission allowance and its status as a financial instrument, terminology, requisites for the designation of the business entities eligible for allocation, banking and borrowing, and the non-permanence problems in the forestry offset mechanism are reviewed and the directions of the improvement are presented. The review of the Korean Emission Trading Scheme and its relevant act and the presidential decree at its early stage may be helpful for the Korean ETS to be firmly settled and to operate properly.

Geographical indication and its trade practices in Europe, USA and China (유럽, 미국, 중국의 지리적 표시 제도 및 산업적 현황)

  • Cheon, Jae Eun;Xin, Yimei
    • Food Science and Industry
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    • v.54 no.4
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    • pp.246-259
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    • 2021
  • Various countries established Geographical Indication (GI) system to protect the right and traditionality of their native products. The regulations vary by country but can be divided accordingly: Protection by trademark systems such as in USA, Special Protection for Geographical Indication as in EU, Protection by both schemes as in China and Korea. Within the systems, countries provide diverse schemes such as PDO and PGI in EU depending on the scope of the product. However, GI system in Korea provides one definition which only protects products that express definite tie to its territory of origin, preliminary with the origin of the ingredient. It is necessary for the government and industry to seek ways to revitalize the local economy in the global market and increase the number of GI products by aligning GI systems with foreign countries and support mutual bilateral agreement.

Enhancement of the energy efficiency of hydrogen SOFC system by integrated cold energy utilization and waste heat recovery method

  • Nguyen Quoc Huy;Duong Phan Anh;Ryu Bo Rim;Lee Jin Uk;Kang Ho Keun
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2022.11a
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    • pp.160-161
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    • 2022
  • Hydrogen is bridge fuel with high energy content and environmentally friendly to satisfy the stringent IMO regulation relating to greenhouse gas (GHG) emissions. There is growing interest in hydrogen in numerous nations and regions illustrated by an extensive range of research and development in technology. Regarding maritime applications, researchers have recognized the utilization of hydrogen as a fuel for fuel cells, a device that converts the chemical energy of the fuel to electrical energy. Solid oxide fuel cell (SOFC), with high working temperature, is easy to combine with the waste heat recovery cycles/devices to increase output power and thermodynamic performances as well. Furthermore, the cold energy from liquid hydrogen supplied to SOFC can also be used to generate more power. In this study, we proposed a SOFC integrated system with the idea of combining the waste heat recovery from the SOFC exhaust stream and cold energy utilization from LH2. The designation is aimed to target small-scale vessel which uses electric propulsion for short distances voyage.

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Investigation on the Validation for Designating Air Quality Control Region among Provincial Cities by the Data Measured with Air Quality Monitoring Network (대기오염 측정 자료에 의한 지방도시의 대기환경규제지역 설정에 관한 타당성 검토)

  • Yu, Mee-Seon;Yang, Sung-Bong;Woo, Kyung-Bin
    • Journal of Environmental Science International
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    • v.25 no.1
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    • pp.181-190
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    • 2016
  • Regional air quality regulation is a system that allows the Minister of Environment to designate the local area as air quality control region where the concentrations of air pollutants are exceeding the environmental standards, and the local governments that administrate the regulated area have to develop and practise a plan for reducing the air pollutants. From the data observed yearly by the monitoring stations in 8 provincial cities with more than 0.5 million people was judged the compliance with air quality standards in each municipality for the period of 2003 to 2013. As the result of investigation on air pollutants concentrations of each city, it was found that there was no station that exceeds the ambient air quality standards of CO, $SO_2$ and 24-hour $NO_2$. But all municipalities exceeded the standards of 8-hour $O_3$, annual and 24-hour $PM_{10}$, and therefore 8 municipalities can be designated to be under the local air regulation. For the annual $NO_2$ were the monitoring sites necessary requirements for designation of the air quality regulation region in Cheongju, Cheonan, Daejeon and Gwangju area. Incase of 1-hour $O_3$, some of stations in Pohang, Cheongju, Cheonan and Changwon area were over the designation standards for the air quality control region.

Visual Landscape Plan for Conservation and Management in Rural Landscape Character Area (농촌경관의 보전과 경관관리를 위한 농촌경관계획 수립 및 적용방안 관한 기초연구 - 예산군을 사례로 -)

  • Kim, Sang-Bum;Lee, Seung-Yeon;Kim, Eun-Ja;Lee, Seung-Joo;Rhee, Sang-Young
    • Journal of Korean Society of Rural Planning
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    • v.15 no.4
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    • pp.161-172
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    • 2009
  • This study focuses on the application of landscape planning(i.e. including rural landscape character area designation and rural landscape planning etc.). That application of landscape planning provides the probably most operable and comprehensive version of what is generally accepted by the discipline. According to the planning discipline the schemes of planning are to; Firstly, we derived the improvement of landscape and the methods of landscape characterization subsequent to analyze the present condition and grasp the landscape resources in Yesan via reviewing the current study and field survey. Secondly, in order to achieve environmentally friendly rural landscape plan and characteristic rural landscape creation, we planed the draft landscape area such as woodland, hydrology area, urbanized area, rural communities, etc. which was classified by sphere of life moreover, we planed partly outdoor facilities, road and colour suchlike. Thirdly, we tried to seek the programme of conservation and utilization for scenic and characteristic rural landscape area via rural landscape character area designation. Lastly, it is proposed that rural landscape planning lead to inhabitant participation, system improvement, subject performance for carrying out efficient rural landscape planning.

Size Analysis of Ready-made Clothing for Elderly Women and Fit Evaluation according to their Body Type (노년 여성 기성복 치수분석 뫼 체형별 맞음새에 관한 연구)

  • Lee, Jeong-Yim;Joo, So-Young
    • Journal of the Korean Society of Clothing and Textiles
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    • v.29 no.8 s.145
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    • pp.1092-1101
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    • 2005
  • The purpose of this study is to analyze the size of ready-made clothing for elderly women and to evaluate their fit according to body type. Subjects were 33 women aged 60 and older, and they were classified by stature and drop index. The size of clothing which manufactured by four apparel brands were measured and compared with body size, and the size designation of four brands was compared. The questionnaire was carried out to subjects, and the size recognition and dissatisfaction with ready-made clothing were analyzed. The fitting test were carried out, and the subjects evaluated the fit of jackets and slacks of four brands. In the result of questionnaire, we found that subjects had little recognition about their clothing size. Subjects responded that they often felt dissatisfaction in their jacket length, sleeve length, shoulder width, bust girth, slacks, and waist girth. We found that each apparel brands had different sizing system and that even if the size designation of label was same, the clothing size was quite different. So the elderly women who didn't have so much knowledge about their own clothing size had a tendency to confuse with choosing proper clothing for themselves. In the wearer's evaluation, the significant difference in the degree of unsatisfaction were certified in several body parts according to wearer's body type. Especially, the degree of unsatisfaction in the case of subjects of having very small stature or very small hip was higher than other body types. From the result, we certified that it was necessary to consider the characteristics of each body type to increase the satisfaction of elderly women with clothing.

Performance Analysis of Landing Point Designation Technique Based on Relative Distance to Hazard for Lunar Lander (달 착륙선의 위험 상대거리 기반 착륙지 선정기법 성능 분석)

  • Lee, Choong-Min;Park, Young-Bum;Park, Chan-Gook
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.44 no.1
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    • pp.12-22
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    • 2016
  • Lidar-based hazard avoidance landing system for lunar lander calculates hazard cost with respect to the desired local landing area in order to identify hazard and designate safe landing point where the cost is minimum basically using slope and roughness of the landing area. In this case, if the parameters are only considered, chosen landing target can be designated near hazard threatening the lander. In order to solve this problem and select optimal safe landing point, hazard cost based on relative distance to hazard should not be considered as well as cost based on terrain parameters. In this paper, the effect of hazard cost based on relative distance to hazard on safe landing performance was analyzed and it was confirmed that landing site designation with two relative distances to hazard results in the best safe landing performance by an experiment using three-dimensional depth camera.

Determination Method of the Criteria and the Hazard Category for Upper and Lower Tier Qualifying Quantities of the Toxic Substance (유독물질 상위 및 하위규정수량의 기준 및 위험 범주 선정 방안)

  • Hyodong, Kim;Kyoshik, Park
    • Journal of the Korean Society of Safety
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    • v.37 no.6
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    • pp.9-17
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    • 2022
  • Qualifying quantities (upper tier (UT) and lower tier (LT)) are designated for the regulation of toxic substances. In this study, we aimed to establish systematic criteria for the qualifying quantities by comparing the South of Korea chemical control act with the European Seveso III Directive (Seveso III). In Seveso III, qualifying quantities are defined as "hazard categories" applying GHS (Globally Harmonized System of Classification and Labelling of Chemicals), and LTR (lower-tier requirements) and UTR (upper-tier requirements) are determined. The Pro HC (proposed hazard categories) were relevant to the GHS classification of toxic substances and were compared with the currently regulated qualifying quantities. Furthermore, we estimated the Pro LTR (proposed lower-tier requirements) and Pro UTR (proposed upper-tier requirements) corresponding to each Pro HC. Consequently, it was supposed that LT and UT were selected based on GHS like those of Seveso III. Therefore, designation criteria for qualifying quantities should be established by setting the Pro HC such as in Seveso III, rather than designating the qualifying quantities of toxic substances by itself individually. In addition, qualifying quantities should not be delegated to GHS classifications (H302, H341, H411) that do not meet the criteria for the designation of toxic substances, and the corresponding substances should be excluded from classification as toxic substances. This study provides insights into the selection of hazard categories and criteria for qualifying quantities of toxic substances.

Regionalization of neonatal care and neonatal transport system (신생아 괸리의 지역화 및 전원시스템)

  • Sin, Jong Beom
    • Clinical and Experimental Pediatrics
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    • v.50 no.1
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    • pp.1-6
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    • 2007
  • In the United States, The concept of designation for hospital facilities that care for newborn infants according to the level of complexity of care provided was first proposed in 1976. The extent of perinatal health care regionalization varies widely from one area to the other. facilities that provide hospital care for newborn are classified into three categories on the basis of functional capabilities; level I-primary or basic care, level II-secondary or specialty care, level III-tertially or subspecialty care. These facilities should be organized within a regionalized system of perinatal care. The transport system of newborn infants should be organized for referral of high risk newborn to centers with the personnel and resources needed for their degree of risk and severity of illness. In Korea, The korean society of neonatology was established and articulated in the 1994. During the past decade, the number of neonatologist has increased and neonatal intensive care units have proliferated in Korea. However, no standard definitions exist for the graded levels of complexity of care that neonatal intensive care units provide and no uniform guideline or recommendation for regionalization and referral system of high risk neonate have been established. With the rapid changing neonatal care system in Korea, the optimal neonatal care demands regionalization of care in utilization of manpower resources and in efficient use of advanced technology and facility.