• Title/Summary/Keyword: Continuous Operation

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Analysis of the Performance of the Employment Support Field by the Government Specialization Project (정부 특성화 사업에 따른 취업지원분야 사업성과 분석)

  • Kim, Hak Yong
    • Journal of Industrial Convergence
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    • v.17 no.2
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    • pp.29-34
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    • 2019
  • The purpose of this study is to analyze the achievements of employment support by the government support specialization project. The data used in this study are based on the comparison of 5 - year employment support field and the operation results of the program until 2014-2018. The results of the study are as follows. First, the overall employment rate of the university has been continuously increased. Especially, the employment rate of the specialization department has been higher than the employment rate of the non - specialization department. Second, as a result of the analysis of the employment capacity strengthening index and the learning capacity strengthening index, it showed a steady increase in each year and contributed to the cultivation of customized talents required by the local society and the national industry. Third, as a result of analyzing the satisfaction of students who are business users, it was confirmed that the business reflecting the demands of the consumers was realized. Fourth, the continuous improvement of the business and the reflux have made the infrastructure of the employment support project more advanced and the system of supporting employment of the university systematically established. In conclusion, the result of the employment support project according to the specialization program showed excellent results and it is necessary to complement theses results when establishing related business plan in the future.

Standardization Method for Vessel Collision Warning Service Using WAVE Communication Technology (WAVE 선박충돌경보 서비스를 위한 표준화 방안 개발에 관한 연구)

  • Kang, Won-Sik;Kim, Young-Du;Choi, Choong-Jung;Park, Young-Soo
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.25 no.5
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    • pp.542-549
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    • 2019
  • Maritime accidents, such as the collision of a fishing boat in Incheon's Yeongheung Island, result in several casualties and property damage, even if they occur just once. To prevent such accidents, the Incheon Metropolitan Government is implementing safety management policies; further, they will provide ship collision warning services to prevent collisions on WAVE (Wireless Access in Vehicular Environment) communication-based ship safety operation pilot projects. However, to realize these objectives, a service standardization method is required that defines specific service types, configurations, and systems, which should be prepared based on user requirement analyses. In this study, a standardization method of WAVE communication-based collision warning service was developed by analyzing the requirements of the vessel operators subject to the services and related authorities. This will help improve the quality of service, ensuring professionalism and reliability through continuous improvement and efforts for standardization, as well as data derived from demonstration projects. Therefore, it is expected to help prevent maritime accidents to a considerable extent.

A Suggestion to Establish Maul Archives to Improve Maul Culture (마을문화 활성화를 위한 방안, '마을기록관'을 제안한다)

  • Kim, Duk-Muk
    • The Korean Journal of Archival Studies
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    • no.33
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    • pp.39-84
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    • 2012
  • Maul is a rural community with common culture and self-government system and generally consists of tens of houses living together in Korea. Maul is different from a village in the West. Maul archive is a community archive of a maul. It is not only the space to record the life of residents, history and culture of a maul but also the space to realize democracy by the participation of maul residents and to satisfy the cultural life of current residents. Nowadays, it is very important to establish maul archives to connect mauls and to communicate with the outside world, to reinforce the orignal form in maul culture and revive the alienated maul culture. To establish the maul archives, it is necessary to draw the recognition and continuous interest of the central and local government and scientifical study of scholars. The first step to found maul archives is to organize a committee. Then the committee will benchmark the preceding practices, collect, record and manage the maul archives. The maul archives is recommended to be housed in an existent traditional house with some remodeling for spaces of display and education, preservation and management. I believe that the maul archive is culturally meaningful for the resident. They will enjoy and develop their lives better, connected to outside world. The co-operation of the scholar, the resident, and the government will foster the maul archive to a success.

Suction Pressures with respect to the Operational Modes using the Multi-bore Capillary Membranes in the Membrane Bioreactor (생물막 반응기내 다공성 중공사형막을 이용한 운전방식에 따른 흡입 압력)

  • Kim, Min Hyeong;Koo, Eeung Mo;Lee, Min Soo;Chung, Kun Yong
    • Membrane Journal
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    • v.31 no.5
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    • pp.343-350
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    • 2021
  • In this study the suction pressure was measured with respect to operational time by submersing the multi-bore capillary membrane module in membrane bioreactor(MBR). The hexagonal shape capillary module which has the nominal pore size of 0.2 ㎛, outer diameter of 6.4 or 4.2 mm was immersed in MLSS 8,000 mg/L active sludge aqueous solution, and confirmed changes with respect to permeation flux and air flow rate. It was operated by the filtration/relaxation(FR), FR with backwashing(FR/BW), and sinusoidal flux continuous operation(SFCO) modes. The suction pressure for the SFCO and FR modes was lower at 30 and 50 L/m2·hr, respectively. In addition, the suction pressure of the module with a small outer diameter was relatively low. The suction pressure of a large outer diameter was greatly increased, but it could be reduced by more than 40% by backwashing.

A Study on the Strategy for Improvement of Operational Test and Evaluation of Weapon System and the Determination of Priority (무기체계 운용시험평가 개선전략 도출 및 우선순위 결정)

  • Lee, Kang Kyong;Kim, Geum Ryul;Yoon, Sang Don;Seol, Hyeon Ju
    • Convergence Security Journal
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    • v.21 no.1
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    • pp.177-189
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    • 2021
  • Defense R&D is a key process for securing weapons systems determined by mid- and long-term needs to cope with changing future battlefield environments. In particular, the test and evaluation provides information necessary to determine whether or not to switch to mass production as the last gateway to research and development of weapons systems and plays an important role in ensuring performance linked to the life cycle of weapons systems. Meanwhile, if you look at the recent changes in the operational environment of the Korean Peninsula and the defense acquisition environment, you can see three main characteristics. First of all, continuous safety accidents occurred during the operation of the weapon system, which increased social interest in the safety of combatants, and the efficient execution of the limited defense budget is required as acquisition costs increase. In addition, strategic approaches are needed to respond to future battlefield environments such as robots, autonomous weapons systems (RAS), and cyber security test and evaluation. Therefore, in this study, we would like to present strategies for improving the testing and evaluation of weapons systems by considering the characteristics of the security environment that has changed recently. To this end, the improvement strategy was derived by analyzing the complementary elements of the current weapon system operational test and evaluation system in a multi-dimensional model and prioritized through the hierarchical analysis method (AHP).

Study on the influencing factors of rural tourism behavior intention in China based on the theory of planned behavior (계획행동이론을 바탕으로 한 중국 농촌관광 행동의도 영향요인에 관한 연구)

  • He, Zhen hua;Sim, Jae yeon
    • Journal of the Korea Convergence Society
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    • v.11 no.12
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    • pp.207-224
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    • 2020
  • With the gradual improvement of China's residents' economic level, the continuous improvement of the holiday system, and the main purpose of relaxing mood and experiencing life, rural tourism has developed rapidly. In order to further achieve the goals of farmers' entrepreneurship, agricultural income increase, rural prosperity, and tourism management departments and tourism enterprises' management and operation objectives, this paper puts forward research hypotheses on the basis of relevant literature review and references. Based on the previous research results, this paper designs a questionnaire on Residents' rural tourism behavior intention, and uses SPSS23.0 to conduct correlation analysis and hypothesis test on the sample data, and draws the following conclusions: (1) rural tourism attitude, subjective norms, and perceived behavior control have a significant positive impact on rural tourism behavior intention; (2) policy system and resource conditions have a significant positive impact on rural tourism behavior intention; (3) policy system has a significant positive impact on subjective norms and perceived behavior control, and resource conditions have a significant positive impact on rural tourism attitude, subjective norms, and perceived behavior control.

A Study on the Performance Prediction Model for Life Cycle Maintenance of Reservoir (저수지 생애주기 유지관리를 위한 성능저하예측 모델 연구)

  • Lee, Huseok;Kim, Ran-Ha;Cho, Choong-Yuen
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.22 no.1
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    • pp.568-574
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    • 2021
  • According to the Framework Act on Sustainable Infrastructure Management, which has been enforced since 2020, reservoirs should be managed to minimize life cycle costs caused by aging through preemptive management such as systematic maintenance and performance improvement. For maintenance in consideration of the life cycle, it is essential to derive the end of life due to continuous performance degradation as the common period increases. For this purpose, it is necessary to develop a performance-predicting model for reservoirs. In this study, a reservoir was divided into main complex facilities to develop a model for the maintenance of the life cycle. A model was developed for each facility. For model development, maintenance information data were collected under management by the Rural Community Corporation. The data available for model development were selected by analyzing the collected data. The developed model was used to predict the expected life expectancy of the reservoir in the current maintenance system and the expected life expectancy in the case of no action. By using the developed model, it is expected that it will be possible to support decision making in operation management and maintenance while considering the life cycle of the reservoir.

Effect of Characterisitcs of Service Quality on Continuance Usage Intention of Digital Healthcare Service Using Mediating Factors of User Expectation and User Utility (디지털헬스케어서비스에서 서비스품질 속성이 지속사용의도에 미치는 효과연구: 사용자기대와 사용자효용 매개요인을 중심으로)

  • Jeon, Eun-Seon;Kim, Chul Soo
    • The Journal of Society for e-Business Studies
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    • v.26 no.2
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    • pp.1-17
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    • 2021
  • This paper elucidates the effect of characteristics of service quality on continuance usage intention of digital healthcare service using mediating factors of user expectation and user utility. First, we classified independent factors into three types such as service system characteristics, user characteristics, and healthcare service characteristics from the previous studies, and investigated the effect of three independent factors on continuance usage intention of digital healthcare service. Second, we analyzed the impact of two mediating factors, user expectation and user utility, on the continuance usage intention. We developed a research model that includes three types of independent factors, mediated factors of user expectation and user utility, and a dependent factor of continuance usage intention. We surveyed a total of 357 samples from digital healthcare service users and analyzed the research model. The research results significantly show that Characteristics of Users is essential factor impacting a dependent factor of Continuance Usage Intention. The results indicate the followings: (1) Characteristics of Users including the variables of Innovation impacts User Expectation, and User Expectation affects Users Utility, and Users Utility also affects Continuance Usage Intention. (2) Characteristics of Service Systems including the variables of Functionality, Compatibility, and Convenience and Characteristics of users of Innovation variable impact the mediating factor of User Expectation, and User Expectation also affects the factor of Continuance Usage Intention. (3) Characteristics of Healthcare Services including the variables of Reliability, Ease of Operation, Safety, and Accuracy impact User Utility, and User Utility also affects Continuance Usage Intention.

Study of Riverline Change around Sannam Wetland in the Hangang River Estuaty using LANDSAT Image Processing (LANDSAT 위성사진을 활용한 한강하구 산남습지 인근 하안선 변화 연구)

  • Youn, Sukzun;Lee, Samhee;Jang, Changhwan
    • Journal of Wetlands Research
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    • v.23 no.2
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    • pp.154-162
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    • 2021
  • The naturally opened Han river estuary is a place where the flows of the Han river, Imjin river, Yaesung river meet with West Sea of Korea, so the hydrodynamic mechanism(Impact-Response) structure of Han river estuary is complex. Continuous observation and measurement due to the morphological characteristics at the estuary are required to maintain the estuary environment and river management facilities. However, the Sannam wetland(the study area) is in the military operation area. Therefore, Sannam wetland has the limited access under the control from military office. In 2020, there had a natural disaster due to flooding in August and COVID-19, and it made a survey hard. The noncontact survey technique, the analysis of LANDSAT images at Sannam wetland, was applied to analyze riverbed fluctuation and morphological transformation around Sannam wetland. LANDSAT images obtained from EarthExplorer, USGS and analyzed by QGIS. The analysis was performed based on the area and the distance near Sannam wetland. As a result, an erosion was happened on the downstream of the study area, and the upstream of the study area did not have any serious sediment transport. Considering the resolution of LANDSAT images, this noncontect survey technique is applicable to manage the study area. From the analysis of LANDSAT images, it is assumed that the tidal effect is greater than the inflow from the upstream. The pattern change of tidal response causes the damage of the river facilities near the Hangang river estuary.

Trend Analyses of B777 FLCH Usage Beyond FAF Events (B777 항공기 Final Approach Fix(FAF) 이후 Flight Level Change(FLCH) 사용 이벤트 경향성 분석)

  • Chung, Seung Sup;Kim, Hyeon Deok
    • Journal of Advanced Navigation Technology
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    • v.25 no.3
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    • pp.248-255
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    • 2021
  • The main causes of the July 2013 OZ 214 accident were poorly performed approach and the failure to recognize the autothrottle in the HOLD position which the automated speed control was not provided. The pilots late decision for go-around was also a critical factor leading to the accident. The B777 POM restricts the use of FLCH mode beyond the FAF. This research utilized the QAR data of an airline's B777 fleet in the period of two years where 44 cases were found. In many cases, the FLCH mode was used for rapid descent from an higher than normal situation. In addition, in the base turn, continuous use of FLCH mode even when the path was below the glide path were observed. Airports with elevation above 500 ft MSL had a higher rate of occurrence. In this research, the proper descent planning and vertical path monitoring, and the adherence to the limitation set in the manuals and the stabilized approach criteria were re-emphasized as mitigation to reduce event occurences.