• Journal of Korean Society of Industrial and Systems Engineering
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• v.1 no.1
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• pp.37-44
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• 1978

The purpose of this study is to search for an efficient application method in solving delay-phenomenon problems which influence upon total production cost through case study. The method of this study is an experimental study based on cutting time data in lead cutting operations from "Lead Cutting Machine (Stripper)" and its service rate data from a large electronic products company which utilizes conveyor line system for the products "Car Stereo" The procedure of this experimental study is as follows; 1) Using loading(Man-Hour) analysis technique j,1 order to analyse and evaluate Production capacity, efficiency, operation and idle rate assembly charge, waiting and service cost -when its are controlled by stripper operator(server) 2) Establishing adequate waiting time model of finite population caused by the interference of 4 stripper machine which is drawn from mathematical statistics testing, that is, goodness of fit test in the waiting and service rate and to search for optimal solution by utilizing the above mentioned model The experimental result was that amount to 8,546,618won Per year was brought down, that is, by optimum point, it shows a decrease as compared with Present point. The major limitation of this experimental study is that the Queue in the Finite Population, so to speak. it comes from the interference of 4 stripper machine dealt with this case were limited only on the Car Stereo conveyor line. Further study of application of this application method to the areas such as material handling, personnel management marketing and transportation management is strong1y recommended.trong1y recommended.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.24 no.10A
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• pp.1501-1506
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• 1999

DSRC(Dedicated Short Range Communications), which is a radio mobile communication protocol in ITS, is suited for traffic related information services. But in WAC(Wide-Area wireless communications), we could consider a conventional communication infrastructure in the case of supporting other applications besides ITS. Especially considering the current the trends to introduce wireless internet service into the mobile communication network, wireless internet service in ITS system is valuable. Although ITS LLC(Logical Link Control) protocols recommended by Europe and Japan are effective for traffic related services, it is not suitable for services related with geographical information, image or internet. That is because the data traffic characteristics is changed according to service types. Therefore we suggest a logical link control algorithm effective for traffic information related services as well as internet web service, and analyze its performance. As a result of numerical analysis and simulation, proposed algorithm shows larger performance improvements. For traffic information related services, the performance of DSRC LLC recommended by Europe and Japan is the same as that of proposed LLC protocol. However, for wireless internet web service, the performance of proposed protocol is much better than that of LLC protocol used in Europe and Japan.

• The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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• v.31 no.4
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• pp.83-95
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• 2018

Objectives : This study was conducted to review about a prevention and management of acne Methods : We searched Korean research database by using keyword 'acne' and 'prevention' or 'management'. Korean research databases were Korean Studies Information Service System(KISS), Research Information Service System(RISS), Korean Medicine Information System(OASIS), National Digital Science Library(NDSL) and Jeonju Municipal Library. We classified studies identified by year, method, contents Results : Among 19 studies, 10 studies were articles and 9 studies were books. The proportion of studies published in 1990s was 26.3%, published in 2000s was 46.3%, published in 2010s was 26.3%. We analyzed 19 studies by classifying 4 categories that consist of Diet Management, Skin Management, Life Management, Exercise Management. In Diet Management, intake of fruits and vegetables was highly recommended, and intake of oily foods and high-fat foods was restricted. In Skin Management, thorough skin cleansing was highly recommended and skin contact was restricted. In Life Management, enough sleep and rest were highly recommended, and smoking was restricted. In Exercise Management, some of exercises to promote blood circulation were recommended. Conclusions : Various methods have been used for prevention and management of acne. It is necessary to systematically study the prevention and management of acne.

• Korean Journal of Community Nutrition
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• v.6 no.3
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• pp.553-564
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• 2001

The purpose of this research was to observe the management system of 18 free meal service centers for the low-income homebound elderly in Chungcheongbuk-Do In order researchers interviewed staff members of the free meal service centers. Based on the results of interviews with staff members of the meal service organization. only two centers used a standard recipe. and most of the meal preparation was controlled under the experience of volunteers. Only two meal service centers employed dietitians due to the lak of budgets. The cost of a meal per day ranged from ￦ 556 to ￦2,750 and the number of attendants at meal service ranged from 35 to 350 persons. The budget for most of the meal service centers is not enough to provide meals for the elderly who want to participated in free meal service programs. Home delivery meal service was not considered due to the lake of manpower and areal dispersion in rural ares. Most meal service organizations did not cooperate with other community service organizations. Several improvement strategies are recommended for the effective running of the free meal service centers. First, a nutrition specialist should be included in the staff members of the service organization to provide nutritious meal service to the elderly Second, a joint control system might be introduced into the present system to reduced the cost and the recover the limitations of areal dispersion. Third, service, coordination should be considered to overcome the problem of lake resources.

• Journal of Korean Society for Quality Management
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• v.31 no.2
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• pp.1-16
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• 2003

The purpose of this research is to examine the influence of after sales service quality in the Korean home appliance. This study is assumed that after sales service quality is composed of prices of service and corporate image as well as technical quality and functional quality. Also, this study examined that how after sales service quality have influence on the repurchase and word-of-mouth effect, and the relationship between the repurchase and word-of-mouth effect was identified in this research. To perform the empirical study, 204 questionnaires from persons who experience taking after sales services with charge for their home appliance are gathered and analyzed. The results make contribution to the Korean home appliance manufacturing company to newly recognize about the factors of after sales services quality. Further empirical or theoretical study for finding the factors of after sales services quality can be recommended in the presence of competitive service industry.

• Journal of the Korea Safety Management & Science
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• v.9 no.5
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• pp.147-156
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• 2007

With the radical change of business environment, all service companies' employees are forced to provide many customers with high service quality every day, and the extra role(or organizational citizenship behavior) is more imperative than other industry. The purpose of this paper is to introduce Luthans & Kreitner's Organizational Behavior Modification(OB Mod) model to improve organizational citizenship behavior and service quality. With analyzing the relationships among target behavior(service quality), antecedents(OCB), and consequences(customer satisfaction), this paper reviewed OB Mod's 5 stages; identifying, measuring, functional analysis of the behavior, development of an intervention strategy, evaluation. This model has found to be useful in finding and improving troublesome employee behaviors in USA, but not been verified in Korea. Thus it is recommended to review the difference of organizational culture and practices before introducing the model.

• Journal of Navigation and Port Research
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• v.39 no.2
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• pp.125-130
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• 2015

Korea is worldwide top manufacturer of offshore plant industry, while shown weakness in high-valued offshore plant service industry (OPSI). The governmental support policies and studies for fostering programs are centered on shipbuilding and engineering sector. On the other hand, offshore logistics service sector among the programs is neither included as governmental fostering support sectors nor ever-studied. Domestic shipping and logistics companies have many experience of handling various project, heavy-lift cargo and even super blocks on shipbuilding industry. However they are faced with lack of appropriate heavy carrier and others. So for their successful entering into offshore plant logistics market, systematic preparation, studies and supporting policies are highly recommended.

• International Journal of Concrete Structures and Materials
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• v.7 no.4
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• pp.253-264
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• 2013

A major difference between high-strength reinforcing steel and conventional steel in concrete is that the service-load steel stress is expected to be greater. Consequently, the service-load steel strains are greater affecting cracking behavior. A parametric study investigating crack widths and patterns in reinforced concrete prisms is presented in order to establish limits to the service-load steel stress and strain. Additionally, based on the results of available flexural tests, crack widths at service load levels were evaluated and found to be within presently accepted limits for highway bridge structures, and were predictable using current AASHTO provisions. A limitation on service-level stresses of $f_s{\leq}414$ MPa (60 ksi) is nonetheless recommended.

• Journal of Korean Society for Quality Management
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• v.37 no.1
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• pp.80-90
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• 2009

Nowadays, there are many companies which employ the SQI measurement to assess service quality. The purpose of this study is to measure the service efficiency for Bank Industry. In this paper, we tried to measure the efficiency of service quality and overall customer satisfaction by using Data Envelopment Analysis(DEA). Rather than using the usual method of converting the Service Quality Index(SQI) into mean value, we applied CCR/BCC models in DEA to service quality efficiency. Also, DEA/PS Model is recommended as appropriate model for evaluating service efficiency by complementing the shortfalls of the weighted value of DEA Model. In this study, six dimensions of service quality were considered as input variables and output variables(overall customer satisfaction, reusing intention, and word of mouth). The result of this study statistically verifies that 5 DMUs are relatively efficient, and intensive activities for service efficiency are needed for 20 sample branches. Managerial implications based on the analysis were suggested.

• Journal of the East Asian Society of Dietary Life
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• v.18 no.5
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• pp.841-848
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• 2008

This study attempted to find more efficient ways of managing human resources through the effect of service quality and affect response on job satisfaction of the employee in the food service industry. Quality of service to the customer has an effect on the response of the employee. Therefore providing a high quality of service quality to. the customer is an important factor that contributes to a positive work environment for employees in the food service industry. For this study, research data was collected from employees of various restaurants. Among a total of 170 collected questionnaires, 20 incomplete samples were eliminated and consequently a final 150 completed questionnaires were provided. The SPSS/win 12.0 was used for statistical analysis: frequency analysis, factor analysis, reliability analysis and regression analysis. It is recommended that the food service industry should provide a positive work atmosphere which is satisfactory to the employee based on the needs of the employee. This study indicated that the quality of service quality affected the response and job satisfaction of employees in the food service industry.