• 한국주거학회:학술대회논문집
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• 한국주거학회 2004년도 추계학술대회 논문집
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• pp.387-391
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• 2004

The purpose of this study was to analyse the determinant factor of intention to move into senior congregate housing. The results of the analysis were as follows. 1) It was revealed that many respondents thought positively about senior congregate housing. Both variable having children and income were proved as an important variable which had an impact factor to move into senior congregate housing. 2) It was found that residential environment was the most important factor than housing level itself or personnel environment.

• 전기학회논문지
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• 제59권11호
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• pp.2073-2082
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• 2010

The 4-th generation of mobile communication aims to realize global, fast and mobile communication service. The satellite communication charges a key role in this field. In this study, an OTM(On-The-Move) antenna which is mounted on ground vehicles and is used for mobile communication between vehicle and satellite was addressed. Since vehicles move during communication, active antenna line-of-sight stabilization is a core technology to guarantee high satellite communication quality. Stabilization of a satellite tracking antenna which consists of 2-DOF gimbals, an elevation gimbal over an azimuth gimbal, was considered in this study. Various disturbance torques such as static and dynamic mass imbalance torques, variation of moment of inertia according to elevation angle, friction torque related to vehicle motion, equivalent disturbance torque due to antenna roll motion, etc. were analyzed. As a robust stabilization control, rate feedback with sliding mode control and position feedback with proportional+integral control was suggested. To compensate antenna roll motion, a supplementary roll rate feed forward control was included beside of the feedback control loop. The feasibility of the analysis and the proposed control design were verified along with some simulation results.

• 한국주거학회논문집
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• 제26권4호
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• pp.1-10
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• 2015

This study identifies intention to move, reasons for moving and housing preferences of US residents 55 and older living in non-subsidized and market-rate multifamily housing in the United States. Data were collected using an on-line survey; mixed methods were used for data analysis (N=431). Results show that more than half of the respondents intend to move. Senior residents who were younger than average age of the respondents, not married, renters, had no elevator, and reported lower residential satisfaction with their housing unit, multifamily housing community and local area were more likely to intend to move. Seven reasons for considering moving were found: finance, health, lifecycle stage, housing unit, multifamily housing community, other. When asked about their future housing, more than 80% desired independent living rather than assisted living facilities or nursing homes, 40% wanted to live in multifamily housing, and 51% hoped to own their housing rather than renting. The findings offer meaningful information to the multifamily housing industry in the United States and in countries where the population is aging and where multifamily housing is the predominant housing type.

• 한국주거학회논문집
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• 제22권6호
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• pp.11-19
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• 2011

This study explores consumers' intention and attitude to a group home for the middle class elderly, which provide local communities with the small residential spaces where seniors can feel at home. Questionnaire method was performed, and 193 data were gathered in Jeonju city. The results are as follows. When respondents have a size of house (66.2-99.1 $m^2$), elderly disease or dementia, and their annuity or their spouse annuity, and when they are much old, their intentions to move into a community friendly group home for the aged is detected. The respondents and their spouse with the pension of more than 2,000,000 (KRW)/month have an intention to move to this group home. Also, they and their spouse with annuity have positive attitude to it, and these goups with the pension of more than 2,000,000 (KRW)/month have low negative attitude to it. So, house size, health condition, and annuity are variables to determine to move into it.

• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 1995년도 춘계학술대회 논문집
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• pp.490-496
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• 1995

A four-legged mobile robot can move on the plain terrain with mobility and stability, but if there exist any obstacles on the terrain of the motion direction, it takes extra times for a mobile robot to cross those obstacles and the stability should be considered during motion. The main objevtive is the study of a quadruped which can cross obstacles with better mobility, stability and fuel economy than any other wheeled or tracked vehicles. Vertical step, isolated wall and ditch are the basic obstacles and by understanding those three cases perfectly, a quadruped can move on any mixed rough terrain as 4-legged animal moves. Each leg of a determine the crossing capability in a static analysis. A quadruped can be simplified with links and joints. By applying the research method, a quadruped can determine the control procedures as soon as it receives the terrain informations from scanner and finally can be moved as animals move with mobility and stability.

• 가정과삶의질연구
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• 제22권6호
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• pp.121-131
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• 2004

The purpose of this study was 1) to analyze the attitudes of people in their 50s about housing problems, and, 2) to study their intention to move into senior congregate housing. The survey was conducted from October to November, 2003 in the Seoul Metropolitan area.'rho data L4·Pre collected from m people using a questionnaire. The results were as follows: First, respondents listed 'friends' as the most important element of their later life. Next, in general, they preferred to live in mainstream family housing. Respondents thought 'family and government' had a responsibility to solve senior citizens 'housing problem. Second, a majority of the participants showed an intention to eventually move into a senior congregate housing. However, the group who did not Intend to live in senior congregate housing had a higher income and greater property assets. The appropriate time for the move to senior congregate housing was keyed to a desire to avoid loneliness. On the other hand, a high degree of satisfaction with current housing was the primary reason given for not wanting to move to senior congregate housing. In conclusion, senior congregate housing should be developed as a model for the middle class and might be successful when combined with a high quality social and health program.

• 대한전기학회논문지:전력기술부문A
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• 제51권4호
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• pp.202-208
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• 2002

In a dynamic game where the players move in a periodical sequence, each player observes the strategy of the others. So the players who move later in a game get to know the moves of others having made before them. Those who move earlier must take this into account in devising their optimal strategy. In the Poolco model, the bidding game is executed periodically. The player participating in the bidding game accumulates the information of its own and others'strategies, and payoffs through the repeated bidding process. Thereby, the players in this game would be able to map out how get the maximum profit, and get closer to the optimal strategy. This paper presents a mathematical modeling for a player to determine his or her optimal strategy at period T, based on the information acquired from the previous rounds for the periods, T-1, T-2, and so on. The proposed modeling is demonstrated with a dynamic fame theory.

• 융복합기술연구소 논문집
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• 제6권2호
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• pp.21-24
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• 2016

Accurate simulation of wakeshapes behind a wing is important for the performance prediction of the aircraft and the wake hazard problem in the airport. In the present study, wakeshapes behind a wing inside tunnels are simulated in regard to the development of wing-in-ground effect vehicles. A discrete vortex method with a nonplanar ground modelling is used for the simulation. It was found that the wingtip vortices move toward outboard directions when the wing is in ground effect. When the wing is placed inside tunnels, the wingtip vortices move along the tunnel wall with counter clockwise direction. As the gap between the wingtip and the tunnel decreases, the wingtip vortices move further along the tunnel wall. Both vortices from bothsides of the wing will murge, which will be studied in future using a viscous computation.

• 한국시뮬레이션학회논문지
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• 제9권1호
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• pp.21-38
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• 2000

A fuzzy dispatching algorithm with adaptable control scheme is proposed for more flexible and adaptable operation of AGV system. The basic idea of the algorithm is prioritization of all move requests based on the fuzzy urgency. The fuzzy urgency is measured by the fuzzy multi-criteria decision-making method, utilizing the relevant information such as incoming and outgoing buffer status, elapsed time of move request, and AGV traveling distance. At every dispatching decision point, the algorithm prioritizes all move requests based on the fuzzy urgency. The performance of the proposed algorithm is compared with several dispatching algorithms in terms of system throughput in a hypothetical job shop environment. Simulation experiments are carried out varying the level of criticality ratio of AGVs , the numbers of AGVs, and the buffer capacities. The rule presented in this study appears to be more effective for dispatching AGVs than the other rules.

• 한국주거학회논문집
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• 제8권2호
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• pp.71-84
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• 1997

The Purpose of this study is to estimate how inclination to move can be appeared by understanding the cognition of a resident on stress due to the residential environment. 240 housewives living in Chiniu were Questioned statistical analysis were used with factor analysis, F-test. Duncan's Multiple range analysis, stepwise regression analysis and stepwise discriminant analysis, The result were summarized as follows 1) The stress of residential environment were clissified by six factors indoor facility, educational environmental. indoor structure, air Pollution noise, traffic convenience. 2) The extent of a stress from residential environment was significantly different in the socio-demographic variable and housing-related variable. 3) The stress of residential environment were affected by the direction of house. 4) The variable discriminating inclination to move were the stress of residential environment(air Pollution). an educational level, the type of housing possession, residential Period and the size of house.