• Journal of Broadcast Engineering
• /
• v.25 no.2
• /
• pp.218-232
• /
• 2020

Data home shopping is a kind of T-commerce service with traditional TV home shopping, product DB of data broadcasting, and advantages of catalog shopping based on data broadcasting technology. Since the data home shopping service was partially started in 2012, there were no in-depth researches regarding the perception of data home shopping. Therefore in this paper, the traditional TV home shopping and data home shopping is analyzed how the perception is in terms of platform quality, service quality and content quality and what the difference in perception is. To verify this, a questionnaire survey was conducted on TV home shopping and data home shopping 140 workers who have good understanding of data home shopping. The results showed that the difference of platform quality, service quality and content quality between TV home shopping and data home shopping was significant and TV home shopping had better quality. In terms of platform quality, TV home shopping was 3.75 on a five-point scale and data home shopping was 2.93. Service quality was significantly different between TV home shopping (3.60) and data home shopping (3.25). For the quality of contents, TV home shopping had better quality as 3.21 while data home shopping was 2.82. There was no interaction effect in gender, age, position, and work field except between the age and platform quality.

• Journal of Korea Society of Digital Industry and Information Management
• /
• v.9 no.3
• /
• pp.211-221
• /
• 2013

This study investigated the effect of service quality and using experience on a royalty in a electronic commerce. Expecially, used HTS (Home Trading System of securities companies)as a online service system. HTS (Home Trading System) is a electronic commerce system of securities companies that is a most progressive tool of it. Almost securities companies are offering these typical trading system, because it is a required factor for a competitive position in their compound market. This paper made hypotheses of five cases, and collected some data through survey questionnaire for an analysis of actual proof. For attaining the object of this research, used a structure equation modeling, and found that almost paths of the research model are supported among the service quality, using experience, involvement and royalty. This study could provide academic and managerial implications in a electronic commerce business.

• Journal of Korean Academic Society of Home Health Care Nursing
• /
• v.6
• /
• pp.59-65
• /
• 1999

In oder to investigate the basic data for the standard of visiting nursing activities and educational program for Public Health Nurses in Health Center in Korea. the health record review carried out regard to visiting nursing services of 131 subjects with visiting nursing care. The results were as follows: 1. Rates of visiting nursing services offered by Public Health Nurse of Health Center(in decreasing order)were health education and disease management(98.5%), activity assess-ment(94.7%), counseling(90.8%), dietary care (61.1%), exercise treatment(60.3%), examination(58.8%), medication(48.9%), referral to hospital(32.8%, vaccination against flu and hepatitis(29.8%), support for welfare and administration(24.4%), position change(9.9%), connection to voluntary services(9.9%), wound dressing(7.6%) and referral for home health care nursing(3.1%). 2. The subjects consisted of 38.2% in male and 61.8% in female. 77.1% of the subjects had no job.

• Proceedings of the Korean Institute of Interior Design Conference
• /
• 2005.05a
• /
• pp.98-101
• /
• 2005

The study applied to a smart technology for every filed in the various countries of world is actively progressing. In the field of construction, a home-network market based on the smart technology is getting to occupy a position as a social issue. and lots of construction companies are taking part in the home-network market to take possession of a market and is investing for a marketing and a technical study in abundance. as a result, the concern for Household Housing of a future and for how to apply the material technology is getting increase. In this study, it has a understanding of such a necessity and suggests the research of the room-space Module to apply the smart technology and a prototype of a house as a building device. and it predicts not only the development of the technology but also about how to change the home-space that we live.

• Journal of Power Electronics
• /
• v.12 no.1
• /
• pp.75-82
• /
• 2012

Elimination of rotor position sensors mechanically coupled with the rotor shaft is attractive to variable speed drives primarily due to increased system reliability and cost reduction. In this regard, search for a simple and robust position sensorless control has been intensified in past few years specifically for low-cost, high-volume applications such as home appliances. This paper describes a new parameter insensitive position sensorless control for switched reluctance motor (SRM) drives satisfying such a need in this market segment. Two consecutive switch-on times of the controllable switch in hysteresis current control are compared to estimate the rotor position and speed. The proposed sensorless control algorithm is very simple to implement since it does not depend on extensive computation or any additional hardware. In addition, the proposed method is robust in that its dynamic performance is least affected by system parameter variations. The proposed approach is demonstrated on a single-controllable-switch-converter-driven SRM with two-phases that lends itself to a system with low cost and compact packaging which comes close to the intended applications. Analysis and simulation results followed by experimental verification are presented to demonstrate the feasibility of the proposed sensorless control method.

• Journal of the Ergonomics Society of Korea
• /
• v.30 no.5
• /
• pp.629-636
• /
• 2011

Objective: The aim of this study is developing an elderly automatic showering system by optimizing nozzle position and angle of water injection on ergonomics approach. Background: The elderly living in nursing home or hospital were increased by an aging population. Helping the elderly on showering is so hard. In addition, the existing showering/bathing systems are not effective because shower pattern of the elderly and washed range of nozzle were not considered. Method: Firstly, basic specification were determined by anthropometric approach. Secondly, position of nozzle and angle of water injection were determined through observation of elderly behavior on showering. And, finally, they were optimized by washing test and showering simulation. Results: On showering importance of body parts were able to analysis through observation of elderly behavior. The position of nozzle and angle of water injection was able to optimize by showering simulation. The automatic showering system was developed by considering their results. Conclusion: The most important technology of developing a showering system is the determining position of nozzle and angle of water injection, number of nozzle. It was developed by applying its results through user centered-research. Application: The user centered-research of developing products was able to apply directly to develop automatic bath, showering products etc. Further more it was available to apply senior friendly products.

• The Transactions of the Korean Institute of Power Electronics
• /
• v.14 no.1
• /
• pp.82-88
• /
• 2009

Low costed position sensor or sensorless control method is generally used in the motor control for home appliance because of the material cost and manufacture standard restriction. In conventional sensorless method, the stator resistance and back-EMF coefficient are varied by the motor speed and load torque variation. Therefore, position error occurred when the motor is operated by sensorless control method because of these variations. In this paper, the compensation method is proposed for sensorless position error using 2 hall sensors.

• Korean Journal of Human Ecology
• /
• v.19 no.1
• /
• pp.215-225
• /
• 2010

This study had the purpose of presenting a residential environment solution as a desirable educational environment for middle school students to grow soundly and to achieve proper self-realization while providing basic materials to build up a suitable residential environment by comparing and analyzing what relationships exist between different home backgrounds, residential environments and middle school students' social maturity. This research was conducted from Feb. 11, 2008 to Feb. 13, 2008. The subject of this research was 601 students in 3 middle schools located in Gyunggi-do. The data analyzed used the SPSS 11.5 version. The summary of this study's results is as follows. First, in terms of home background, the higher the parents' educational background and social and economic position, the greater the students' social maturity. Second, in terms of home environment, the more spacious the living space, the better the water and sewage system and rest room, the more convenient the air conditioner and kitchen system, the better the lighting, ventilation, soundproofness, insulation, the less the danger in relation to fire, crime, traffic accidents, disaster, the greater the students' social maturity. Third, in terms of the home environment related to the correlation between the residential environment and social maturity, all areas such as housing facilities, housing structural environment and housing safety showed static correlations and proved that the residential environment has an important influence on social maturity. Accordingly, in order to build up an ideal residential environment, we should make efforts to expand and improve better facilities at home considering privacy, lighting, ventilation, soundproofness, heating etc. and remove unsound factors that obstruct students social maturity and build up clean and safe residential environment with good relations with their neighbors.

• Journal of the Korean Home Economics Association
• /
• v.31 no.4
• /
• pp.1-23
• /
• 1993

The purpose of this study are to investigate the actual conditions of urban housewive's sex role attitude, the value consciousness of home management and the satisfaction of household work. Further, basic data fro the improvement of the satisfaction of household work and the value consciousness of home management will be produce through grasping the relationship of them. For these purposes, the data are collected by using questionnaire distributed to 394 housewives living in Taegu. The data are analyzed using frequency, pecentile, one way anova, pearson's correlation analysis, simple regression analysis, multiple regression analysis. The results of this research are as follow: 1. Urban housewive's sex role attitude comparatively took the transitional position and the value consciousness of home management was middle. Housewive's satisfaction of household work was generally usual. 2. There were significant differences in the sex role attitude according to housewive's age, educational level, the youngest child's age, durations of marriage. Specially, the variables which significantly affected sex role attitude were housewive's educational level, the youngest child's age. 3. The value consciousness of home management of urban housewives was variable according to housewive's age and educational level, monthly family income, durations of marriage, the youngest child's age, the type of housing, husband's educational level and job. 4. Among the independent variables, the houswive's educational level was variable to have influence on the satisfaction of household work. 5. There were significant differences in the satisfaction of household work according to housewive's sex role attitude. 6. Among the domains of the value consciousness of home management, the value consciousness about family relationships, consuming, educational and leader ship were variable to have influence on the satisfaction of household work.

• 제어로봇시스템학회:학술대회논문집
• /
• 2004.08a
• /
• pp.1147-1152
• /
• 2004

Switched Reluctance Motors have an inexpensive, intrinsic simplicity and low cost that makes them well suited to home appliance and office applications. However the motor suffering with necessity of shaft position sensor, lead to non-linearity of operations. Further, the involvement of static converters deteriorates the operational power factor. Implementation of a sensorless algorithm, can remove the need of position sensors. Also, the drive includes a compact power factor control in the input stage by implementing Zero Current Switching Quasi-Resonant Boost Technology. This paper presented, aims at optimized low line current distortion, high power factor, low cost and a shaft position sensorless Switched Reluctance Motor drive.