• The Journal of the Korea Contents Association
• /
• v.12 no.6
• /
• pp.265-279
• /
• 2012

In this study, I tried to find out the ecosystem factors which influence suicide thoughts of elderly that care for a chronic invalid. Ecosystem factors are consist of personal system, familial system and social system, tried to analysis ecosystem factors with characteristics of social population that influence suicide thoughts. For the study, I collected 274 samples from people of 55 year-old care a chronic invalid adults who reside of in Gyeonggi-do. I used factor analysis, reliability analysis, multi-regression, t-test, ANOVA with SPSS 18.0. The results are as follows. First, suicide thoughts had affected by personal characteristics and the duty of supporting selected independent variable. Second, familial system as familial characteristics and familial support had a strong influence on suicide thoughts by long-term care and deficient familial support. Third, the result of study, social support and participation of social activities apply as independent variable then every factors of social support are negative influence but participation of social activities are not influence.

• The Journal of Korean Academic Society of Nursing Education
• /
• v.20 no.2
• /
• pp.192-202
• /
• 2014

Purpose: The purpose of this study was to identify the impacts of social support and acculturative stress on depression among Korean registered nurses in the United States. Method: In total, 137 nurses were recruited through direct interviews and online surveys. The data were collected through a structured questionnaire from June 1, to September 16, 2012, and analyzed using descriptive statistics, t-test, ANOVA, Scheff$\acute{e}$'s test, Pearson correlation coefficient, and stepwise multiple regression with SPSS WIN 14.0. Results: Social support significantly differed by the length of one's nursing career in US, monthly income and perceived health status. Acculturative stress significantly differed by the length of one's nursing career in US and types of employment setting. Depression significantly differed by the total length of one's nursing career, type of employment setting, and perceived health status. Moreover, Depression was negatively correlated with social support; positively correlated with acculturative stress; social support was negatively correlated with acculturative stress. Factors influencing depression were acculturative stress, perceived health status, and social support, which explained about 23% of the total variance. Conclusion: These results suggest that an adaptation program that decreases acculturative stress and improves social support should be developed and implemented for Korean nurses to help them successfully integrate into the healthcare system of new country.

• The Korean Journal of Rehabilitation Nursing
• /
• v.12 no.1
• /
• pp.39-46
• /
• 2009

Purpose: The purpose of this study was to identify the level of burden and social support of mothers with Cerebral Palsy (CP) children, and to determine whether providing social support is an effective strategy to relieve the burden of those mothers. Method: From October to November 2007, the data were collected from 63 mothers with CP children who were admitted and treated for CP at Y rehabilitation center in Seoul. The data were analyzed with t-test, ANOVA, Scheffe's test, Pearson's Correlation Coefficient, and Stepwise Multiple Regression using SPSS 12.0. Results: Burden of mothers was related to the Gross Motor Function Classification System (GMFCS) of the CP children. Social support was negatively correlated and GMFCS was positively correlated with burden of mothers. Social support and GMFCS was statistically significantly related with burden of mothers with CP children by multiple regression analysis. Conclusion: There was a significantly negative correlation between social support and burden. It demonstrated that social support, an important factor relating to burden imposed on mothers of CP children, can be considered as an intervening variable which can contribute to decrease of burden. In addition, applying developmental screening measures are needed to decrease disability severity.

• Geomechanics and Engineering
• /
• v.11 no.2
• /
• pp.177-195
• /
• 2016

To secure the stability of geotechnical infrastructures and minimize failures during the construction process, a number of support systems have been introduced in the last several decades. In particular, stabilization methods using steel bars have been widely used in the field of geotechnical engineering. Rock bolt system is representative support system using steel bars. Pre-stressing has been applied to enhance reinforcement performance but can be released because of the failure of head or anchor sections. To overcome this deficiency, this paper proposes an innovative support system that can actively reinforce the weak ground along the whole structural element by introducing an active tension bolt containing a spring unit to the middle of the steel bar to increase its reinforcement capacity. In addition, the paper presents the support mechanism of the active tension bolt based on a theoretical study and employs an experimental study to validate the performance of the proposed active tension bolt based on a down-scaled model. To examine the feasibility of the active tension unit in a pillar, the paper considers a pullout test and a small-scale experimental model. The experimental results suggest the active tension bolt to be an effective support system for pillar reinforcement.

• International Journal of Contents
• /
• v.12 no.4
• /
• pp.23-30
• /
• 2016

For a library to be able provide information services and fulfill its function as a knowledge convergence center capable of responding to various information demands, the development of next-generation information systems based on the latest information and communication technology is needed. The development of mobile information services using portable devices such smart phones and tablet PCs and information systems which incorporate the concepts of cloud computing, SaaS (Software as a Service), annotation and Library2.0 is also required. This paper describes a library information system that utilizes collective intelligence and cloud computing. The information system developed for this study adopts the SaaS-based cloud computing service concept to cope with the shift in the mobile service paradigm in libraries and the explosion of electronic data. The strengths of such a conceptual model include the sharing of resources, support of multi-tenants, and the configuration and support of metadata. The user services are provided in the form of software on-demand. To test the performance of the developed system, the efficiency analysis and TTA certification test were conducted. The results of performance tests, It is encouraging that, at least up to 100MB, the job time is approximately linear and with only a moderate overhead of less than one second. The system also passed the level-3 or higher criteria in the certification test, which includes the SaaS maturity, performance and application program functions.

• Journal of Auto-vehicle Safety Association
• /
• v.10 no.4
• /
• pp.33-39
• /
• 2018

Recently, the automobile industry has developed ADAS (Advanced Driver Assistance System) to prevent traffic accidents and reduce driver's driving burden. Among the ADAS, the LKAS (Lane Keeping Assistance System) is a support system for the convenience and safety of the driver, and the main function is to maintain the driving lane of the vehicle. LKAS is a system that uses radar sensor and camera sensor to collect information about the position of the vehicle in the lane and to support keeping the lane through control if necessary. In many countries, LKAS has already been commercialized and the convenience and safety of drivers have been improved. The international LKAS evaluation test procedure is being developed and discussed by standardization committees such as the ISO (International Organization for Standardization) and the Euro NCAP (New Car Assessment Program). In Korean, the LKAS test method is specified in the KNCAP (Korean New Car Assessment Program), but the evaluation method is not defined. Therefore, the LKAS test procedure that meets international standards and is suitable for domestic road environment is necessary. In this paper, development of LKAS test evaluation scenarios that meets international standards and considering domestic road environment, and the formula that can evaluate the result value after control as the relative distance of lane and the front wheel are suggested. And a comparative analysis was conducted to verify the validity of the suggested scenario and formula. The test evaluation was conducted using the vehicle equipped with the LKAS.

• Proceedings of the Korean Institute of Building Construction Conference
• /
• 2018.05a
• /
• pp.109-110
• /
• 2018

Preloading Strut applied during installation of the wall jack, but additionally serves to minimize the displacement of soil pressure acting upon dissolution due to the difficulty. In this study, we developed an index of support for the release of stress to facilitate the dismantling of the strut uninstall. The refractive support the axial force acting on the strut are supportable, is refracted at minimum load, disassembly should be easy. In order to find the optimal shape and structural stability of the refractive support We have performed the numerical analysis and performance test to determine the final model. We carried out model tests and UTM test in order to understand the refractive performance and durability of the refractive support for optimal model. Results of the test UTM is refracted all shot 5 times within a target hit number, it was found that there is no problem of the refractive performance. Further, the results of model experiments, it was found that to ensure sufficient durability more than the performance target value of the pin joint support structure.

• Journal of the Korea Society of Computer and Information
• /
• v.25 no.11
• /
• pp.147-155
• /
• 2020

System support software is one of the software that makes up ship combat management system and has the characteristics of being mounted in the combat management systems of all ships but with little functional change. However, despite these characteristics, software modifications due to equipment, etc. are inevitable in the application of new ships. Modification of software causes software reliability testing which is a key factor in increasing development costs. In this paper, the structure of the existing system support software was analyzed to identify and supplement the code change factors, and the system support standardization architecture was designed. The feature model elicited common and variable elements of system support software, and applied white-box reuse to improve software design. In addition, the results of comparing existing system support software with the new architecture in terms of development elements and time to perform reliability test were presented to verify the effectiveness of the new one.

• Transactions of the Korean Society for Noise and Vibration Engineering
• /
• v.23 no.3
• /
• pp.218-225
• /
• 2013

Vertically-launched missiles are supported as erected vertically in the vertical launching system of warship, and they should be mounted in the same way when vibration-tested. However, mounting missiles vertically makes a fixture, which is a supporting structure, bulky and heavy so requiring a high-performance exciter. Mounting missiles as laid down horizontally in a vibration test is economical regarding fixture manufacturing and exciter performance, but it makes test results incorrect because the different mounting direction has effects on the test results. A bending moment due to missiles' weight happens to missiles, and resilient mounts, which support missiles in the vertical launch system, deflect differently from the real situation because of the static deflection of these mounts due to missiles' weight. If the resilient mounts supporting missiles have nonlinear force-deflection characteristics, vibration test results become more different from the true results. This paper proposes to support missiles with an additional resilient mount such as a bunge code in order to solve those problems coming from mounting vertically-launched missiles as laid down horizontally in vibration tests. The proposed approach enables to obtain the same test results as in their actual mounting condition even though vertically-launched missiles are mounted in a different direction.

• Proceedings of the Korean Society of Precision Engineering Conference
• /
• 1995.10a
• /
• pp.981-984
• /
• 1995

The feed system using ball screw is constructed by ball screw, support bering and LM guide, and servo system for driving ball screw. AC servo motr drives ball screw which was connected by coupling. In this study, a new axial direction dynamic modeling of ball screw driving system was developed, and forced vibraition test using the impact hammer was experimented. The simulation result is compared with experimental result, which defines the reliability of mathematical modeling.