• 제목/요약/키워드: Resource Efficiency Improvement

검색결과 188건 처리시간 0.027초

호텔 주방조직의 인적자원관리에 관한 연구 (A Study on human resources management for kitchen of hotel)

  • 진양호
    • 한국조리학회지
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    • 제1권
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    • pp.5-23
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    • 1995
  • Management of kitchen is consist of various management factor, for instance, physical resources, financial resources, information resources, and human resources. Because these kind of resources determine efficiency of kitchen management, human resource management is important aspect of kitchen operation. In this paper of view, recently human resource management has been considered by kitchen manager. Kitchen Managers who are interested in human resource, focus on efficiency. Also human resource management underlined not only efficiency, but interrelationship of emplyee. Today, considering with the environment of management, operation of kitchen is important section on hotel management in relation to the profit of it. In the future, therefore kitchen will be strategic profit center on hotels. According to in this tendency, as profit business center kitchen assumed a aspect of efficiency mechanism. This thesis aimcs to point out the actual status of human resource management in the hotels, and suggests the improvement there of by analyzing the system. This research is organized into five sections. section one introduces its objectives. scope and mothodology. Section two provides the theory of human resource management on the kitchen of hotels. And section these analyzed about the factors of human resource management. Section four, suggests the alternatives of the improvement on human resource management, section Five describes the conclusion of this thesis. Today, importance of human resource is viewed multipoint aspects in relation to efficiency of organization and interrelationship of employee, especially the arrangement of human resource is fairly handle and allocation of the human resource and personal appraisal. On the other hand, human resource managers have to be responsible for the cost control and customer's attraction by developing human resources. In order to advance human resource management on kitchen of hotels, following alternatives are considered with efficiency of management and interrelation of employee. The first, the manager of hotels has to consider the passive support of development of human resource. The second, the manager of hotels should develop the various training program for the extonsive ability of employee. The third, in order to improvement of human resource management, manager should establish the system for human resource management view of efficiency and employee's interrelationship.

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화력발전소 효율개선 측정에 대한 디비지아분해기법의 적용 (An Application of Divisia Decomposition Analysis to the Measurement of Thermal Efficiency Improvement of Power Generation)

  • 최기홍
    • 자원ㆍ환경경제연구
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    • 제9권5호
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    • pp.811-827
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    • 2000
  • Since improved thermal efficiency reduces capacity requirements and energy costs, electricity producers often treat thermal efficiency as a measure of management or economic performance. The conventional measure of the thermal efficiency of a fossil-fuel generation system is the ratio of total electricity generation to the simple sum of energy inputs. As a refined approach, we present a novel thermal efficiency measure using the concept of the Divisia index number. Application of this approach to the Korean power sector shows improvement of thermal efficiency of 1.1% per year during 1970-1998. This is higher than the 0.9% improvement per year given by the conventional method. The difference is attributable to the effect of fuel substitution. In the Divisia decomposition context, we also show the limitations of the popular $T{\ddot{o}}rnqvist$ index formula and the superiority of the Sato-Vartia formula.

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DEA 기반의 자원 개선 선호도를 고려한 단계적 벤치마킹 대상 탐색 연구 (A Study on DEA-based Stepwise Benchmarking Target Selection Considering Resource Improvement Preferences)

  • 박재훈;성시일
    • 품질경영학회지
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    • 제47권1호
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    • pp.33-46
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    • 2019
  • Purpose: This study proposed a DEA (Data Envelopment Analysis)-based stepwise benchmarking target selection for inefficient DMU (Decision Making Unit) to improve its efficiency gradually to reach most efficient frontier considering resource (DEA inputs and outputs) improvement preferences. Methods: The proposed method proceeded in two steps. First step evaluates efficiency of DMUs by using DEA, and an evaluated DMU selects benchmarking targets of HCU (Hypothesis Composit Unit) or RU (Real Unit) considering resource improvement preferences. Second step selects stepwise benchmarking targets of the inefficient DMU. To achieve this, this study developed a new DEA model, which can select a benchmarking target of an inefficient DMU in considering inputs or outputs improvement preference, and suggested an algorithm, which can select stepwise benchmarking targets of the inefficient DMU. Results: The proposed method was applied to 34 international ports for validation. In efficiency evaluation, five ports was evaluated as most efficient port, and the remaining 29 ports was evaluated as relative inefficient port. When port 34 was supposed as evaluated DMU, its can select its four stepwise benchmarking targets in assigning the preference weight to inputs (berth length, total area of pier, CFS, number of loading machine) as (0.82, 1.00, 0.41, 0.00). Conclusion: For the validation of the proposed method, it applied to the 34 major ports around the world and selected stepwise benchmarking targets for an inefficient port to improve its efficiency gradually. We can say that the proposed method enables for inefficient DMU to establish more effective and practical benchmarking strategy than the conventional DEA because it considers the resource (inputs or outputs) improvement preference in selecting benchmarking targets gradually.

국내(國內) 산업(産業) 폐자원(廢資源)의 발생(發生)·처리(處理)·재자원화(再資源化) 현황(現況) 및 자원효율성(資源效率性) 향상(向上) 방안(方案) (Current Status for Generation, Treatment and Recycling of Waste Resources in the Domestic Industry and Improvement Measures of Resource Efficiency)

  • 강홍윤;이일석;김경환
    • 자원리싸이클링
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    • 제22권3호
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    • pp.3-17
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    • 2013
  • 자원 수급의 불확실성이 점차 고조되고 있는 글로벌 상황에 능동적으로 대처하기 위해 전 세계적으로 효율적인 자원관리의 필요성이 증대되고 있다. 국내의 경우 자원 수급과 관련하여 국제 환경에 매우 취약한 산업구조를 나타냄에 따라 국가 자원효율성의 획기적인 제고 방안 마련이 절실히 요구된다. 우리나라는 대표적인 자원빈국으로서 자원효율성 제고를 위해 산업내에서 발생하는 산업 폐자원의 재자원화 추진 등 자원관리체계 구축을 위한 노력이 다양한 방법으로 진행되고 있다. 이에 본 연구에서는 국내 산업 폐자원의 발생, 처리, 재자원화 현황 분석 및 일본 현황과의 비교분석을 통해 자원효율성 측면에서 주요 이슈를 도출하고, 이를 기반으로 국가 자원효율성 향상을 위한 산업 폐자원 재자원화 활성화 방안을 제시하였다.

무기체계 형상관리 개선망안 연구 (A study on the Improvement of Configuration Management for Weapon System)

  • 황인국;최석철
    • 한국국방경영분석학회지
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    • 제28권2호
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    • pp.95-115
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    • 2002
  • Configuration management is a process that establishes and maintains consistency of a product with its requirements and configuration information throughout its life cycle. This paper deals with the improvement of configuration management for weapon system. We analyze configuration management system, organization, human resource, regulations, and automated system of USA. Then we apply the ideas to our proposal for the improvement of configuration management. The proposal for the improvement of configuration management consists of three parts. The first one is the improvement of configuration management for weapon system by R&D, the second one is the improvement of configuration management for weapon system by foreign acquisition, and the last one is the improvement of configuration management in the aspects of organization, human resource, regulations, and automated system. This paper will be contributed to the activation of configuration management system and the efficiency of acquisition project management.

5세대 이동통신을 위한 후보 변조기술들의 시간과 주파수 자원 비교 분석 (Comparison Analysis of Time and Frequency Resource of Candidate Waveforms for 5G Mobile Communications)

  • 안창영;유흥균
    • 한국전자파학회논문지
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    • 제27권11호
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    • pp.987-995
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    • 2016
  • 5세대 이동통신을 위한 후보변조기술에서 중요한 평가 요인 중 하나는 OOB(Out of Band) 전력 저감을 통한 주파수 효율 향상 특성이다. 본 논문에서는 5세대 이동통신을 위한 후보변조기술로 주목받고 있는 UFMC(Universal Filtered Multi-Carrier), FBMC(Filter Bank Multi-Carrier), W-OFDM(Weighted Orthogonal Frequency Division Multiplexing) 시스템에 대한 시간 자원 할당에 대한 주파수 자원의 효율을 평가하고 비교 분석한다. 시뮬레이션을 통해 시간 자원 할당에 대한 스펙트럼 효율 향상 특성을 확인하였으며, 추가적으로 확보할 수 있는 주파수 자원을 확인하였다. 본 논문에서는 동일한 데이터 비트를 전송하며, 4개의 심볼을 전송하는 조건에서, 시스템이 선형일 때, 각 시스템은 모두 유사한 시간-주파수 자원 활용 효율을 보이나, 비선형 조건에서는 FBMC의 시간-주파수 자원 활용 효율이 가장 크게 저하되는 것을 확인하였다.

Eco-efficiency Analysis of Organic Agriculture in Korea

  • Kim, Chang-Gil;Jeong, Hak-Kyun
    • 한국유기농업학회지
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    • 제19권spc호
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    • pp.87-91
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    • 2011
  • Eco-efficiency which is calculated by dividing economic productivity by the environmental load was made by synthesizing eco and efficiency from ecology and economy, proposed by World Business Council for Sustainable Development in 2000. Eco-efficiency by connection of resource efficiency with resource intensity is used as an indicator for evaluating green growth for minimizing the impact on the environment and achieving economic development as well by means of efficient use of resources. This research analyzes eco-efficiency with the case of organic agriculture promoted as a key green growth policy. Thirty questionnaires for farmers producing organic rice in Hongseong-gun, Choongcheongnam-do were used for the analysis. Eco-efficiency was measured by means of the amount of used nitrogen with respect to the amount of income, and was represented that organic agriculture was 32.0 higher than conventional agriculture. The analytical result of technical efficiency, using the (Data Envelopment Analysis (DEA) model showed that it is 0.765 which has a possibility of 21% in management improvement, and higher eco-efficiency was with higher technical efficiency. The analytical results showed that an organic agriculture contributes to green growth more than conventional agriculture. In addition, higher technical efficiency groups exhibited higher eco-efficiency indices.

댐내 수온성층 파괴를 위한 산기식 수중폭기설비 성능향상 실증연구 (Positive Research About Water Aeration Improvement to Break Thermal Stratification of Dam)

  • 박종호;라병필
    • 한국유체기계학회 논문집
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    • 제17권5호
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    • pp.37-42
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    • 2014
  • In Korea while the dam or reservoir is an important water resource, the value of this water resource is deteriorating by thermal-induced stratification. To ameliorate the water quality of reservoir by breaking stratification the use of air diffuser system is now widespread in Korea. According to the previous research, dynamics of bubble plume and destratification efficiency depended upon two dimensionless groupings; Mh and Pn suggested by Asaeda et al (1993). However, these two variables only include Q, N, H, g, u. and installed Boryeong reservior in appropriate width of water aeration, air dose and number of installations after calculating by applying these figures. This paper is performed to find out effect analysis about water aeration improvement to break thermal stratification.

Forecast Driven Simulation Model for Service Quality Improvement of the Emergency Department in the Moses H. Cone Memorial Hospital

  • Park, Eui-H.;Park, Jin-Suh;Ntuen, Celestine;Kim, Dae-Beom;Johnson, Kendall
    • International Journal of Quality Innovation
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    • 제9권3호
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    • pp.1-14
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    • 2008
  • Patient satisfaction with the Emergency Department(ED) in a hospital is related to the length of stay, and especially to the amount of waiting time for medical treatments. ED overcrowding decreases quality and efficiency, therefore affecting hospitals' profitability. This paper presents a forecasting and simulation model for resource management of the ED at Moses H. Cone Memorial Hospital. A linear regression forecasting model is proposed to predict the number of ED patient arrivals, and then a simulation model is provided to estimate the length of stay of ED patients, system throughput, and the utilization of resources such as triage nurses, patient beds, registered nurses, and medical doctors. The near future load level of each resource is presented using the proposed models.

메모리 자원 사용 효율성 증진을 위한 적응적 네트워크 이중 버퍼 모델 (An Adaptive Network Double Buffer Model for Efficient Memory Resource Usage)

  • 최창범;이승룡
    • 한국정보과학회논문지:시스템및이론
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    • 제33권11호
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    • pp.810-819
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    • 2006
  • 본 논문에서는 네트워크 통신에서 혼잡으로 인한 패킷의 손실을 최소화하기 위하여 새로운 버퍼 모델인 적응적인 이중 버퍼 모델을 제안한다. 이는 제약된 메모리 환경에서 송수신 버퍼가 서로의 여유 공간을 공유하여 패킷의 손실을 최대한 줄일 수 있는 버퍼 모델이다. 또한 리스트와 비슷한 성능을 지니는 본 버퍼 모델은 자유 리스트를 사용한 버퍼와 달리 메모리 누수로 인한 버블(bubbles) 현상을 방지하므로 제한된 환경의 네트워크 버퍼에 적용할 수 있으며 배열을 사용하는 경우와 비교 할 때 최대 100% 성능 향상을 기대할 수 있다.