• 한국운동역학회지
• /
• 제21권2호
• /
• pp.231-241
• /
• 2011

The purpose of this study was to analyze the distribution of foot pressure generated by active materials of a functional insole. Comfort is an important consideration while selectingfootwear and insoles. Consequently, it has an influence on injury. The development of new materials for functional insoles is considered one of the more important points for their manufacture. The method adopted in this study is as follows. First, ten healthy males were selected as subjects for the study. Each subject's foof was pre-screened podoscope(Alfoots, Korea) to check for the presence of any foot abnormalities, Two kinds of equipment were used for the study: a foot pressure device from Pedar-X, Germany, and a treadmill from Pulsefitness, UK. Next, each subject was asked to test four types of insoles(insoles of outdoor shoes, indoor shoes, walking shoes, and sports shoes) via walking trials on the treadmill at a constant speed of 4.2 km/h. The pressure distribution data(contact area, maximum force, maximum peak pressure, and maximum mean pressure) was collected using the pressure device at a sampling rate of 100 Hz. Results of the tests showed that all four types of functional insoles increased contact areas whit the foot. Further, functional insoles of walking shoes and sport shoes decreased the foot pressure. From these results, we conclude that the active materials of functional insoles of shoes can increase the contact area and provide greater comfort.

• 농촌계획
• /
• 제1권2호
• /
• pp.33-42
• /
• 1995

For formulation of the rational land us2 plan in regional base, it is a basic and prior condition to categorize total planning area into some functional subregions by purposely-selected indicators. As one of quantitive approaches to the areal categorization in rural area, Principal Component Analysis(PCA) was introduced and testified its applicability through a case study on Sunheungdistrict(called as myun in Korea) area, Youngpoong-county, Kyungbuk-province, Korea. Areal analysis by PCA was carried out on rurality and urbanity of parish-level area(ri in Korea) respectively. By use of PCA analysis results, classifying matrix was made through categorization of both index scores. Among 18 ri's of the case study area, 12 was classified as rural-dominated areas, 2 as urban- dominated areas, and reamaining 3 as intermediate areas.

• 시스템엔지니어링학술지
• /
• 제9권2호
• /
• pp.69-82
• /
• 2013

US DoD operated JCIDS(Joint Capability Integration and Development System) for top down requirement generation. Although the JCIDS can be a good practice for the countries which are trying to shift from bottom up to top down requirement generation, it contains many processes related with review and approval. In this study we structured a joint capability integration and development process from the JCIDS eliminating the organization dependent review or approval process so that it can be applied to any organization with some modification. Furthermore we implemented the process in the computer aided systems engineering tool, Cradle, for convenient use of the process. The result of this study can provide a basic process for top down capability development, and an efficient why of doing each element of the process using CASE tool.

• 대한교통학회지
• /
• 제6권2호
• /
• pp.35-48
• /
• 1988

Amongst various analytic methods of internal structure of city, the factor analysis method which uses O-D matrix data has some merits and characteristics compared to other methods. 1) It is possible to find one certain interaction and flow pattern between traffic zones with in a city through reanalyzing O-D data which is too complex to grasp specific meaning or pattern of flow systems. 2) It can be easily visualized the traffic flow pattern by using adequate graphic techniques, and also can clarify the functional areas whose interaction linkages are significantly strong enough between each other. In this study, the taxi traffic O-D data between 42 traffic zones in Kwang-ju city was reanalyzied by varimax rotated factor analysis methods. As a result, four factors that have significant level factor loading (over 0.5 ) and factor score (over 1.0) were sorted out. so to speak four different functional areas were clarified in Kwang-ju city, of the West, the East, the south, and the North functional areas whose interaction linkages are significantly strong enough between each other. In the study, the taxi traffic O-D data between 42 traffic zones in Kwang-ju city was reanalyzied by varimax rotated factor analysis methods. As a result, four factors that have significant level factor loading (over 0.5) and factor score 9over 1.0) were sorted out. so to speak four different functional areas were clarified in Kwang-ju city, of the West, the East, the South, and the North functional area, then these four functional areas are almost coincided with citizen's general conception of community division and administrative district. Accordingly the factor analysis methods using traffic data seems to proved to be very accurate and useful analytic instruments for analyzing flow pattern and clarifying functional areas of city, and believed to provide basic informations and criteria for practical urban land use planning and transportation planning.

• 한국의류학회지
• /
• 제45권2호
• /
• pp.305-316
• /
• 2021

In this study, the effect of wearing functional compression pants is verified using a lower-limb wearable robot through a bio-signal analysis and subjective fit evaluation. First, the compression area to be applied to the functional compression pants is derived using the quad method for nine men in their 20s. Subsequently, functional compression pants are prepared, and changes in Electroencephalogram (EEG) and Electrocardiogram (ECG) signals when wearing the functional compression and normal regular pants inside a wearable robot are measured. The EEG and ECG signals are measured with eyes closed and open. Results indicate that the Relative alpha (RA) and Relative gamma wave (RG) of the EEG signal differ significantly, resulting in increased stability and reduced anxiety and stress when wearing the functional compression pants. Furthermore, the ECG analysis results indicate statistically significant differences in the Low frequency (LF)/High frequency (HF) index, which reflect the overall balance of the autonomic nervous system and can be interpreted as feeling comfortable and balanced when wearing the functional compression pants. Moreover, subjective sense is discovered to be effective in assessing wear fit, ease of movement, skin friction, and wear comfort when wearing the functional compression pants.

• 음성과학
• /
• 제3권
• /
• pp.18-25
• /
• 1998

Background: The results of treatment in functional velopharyngeal insufficiency (VPI) was not good compared to physician's common practice. Objectives: Authors conducted this study to evaluate the efficacy of fat injection on posterior pharyngeal wall in the functional velopharyngeal insufficiency as the supportive treatment. Materials and Methods: The preoperative assessment includes history of patients, the perceptual analysis of patient's voice, nasopharyngoscopic finding of velopharyngeal movements, nasometer, movement findings of soft palate during phonation and swalling. Fat which was taken from umbilical area was injected in 5 patients with conducted functional velopharyngeal insufficiency. Results: All 5 patients had good results in voice quality after fat injection. Conclusions: Fat injection is a good treatment method in functional velopharyngeal insufficiency as a supportive method.

• 한국의류산업학회지
• /
• 제12권2호
• /
• pp.179-187
• /
• 2010

The purpose of this study was to investigate the actual conditions of consumers' usage of functional golfwear which is widely used in the current sportswear market. The study was carried out on 225 golfers in Busan and KyungNam area based on the demographics such as gender, age, occupation, and income. The collected data was processed with SPSS 14.0 program using frequency analysis, reliability analysis, t-test, and ANOVA. In the results of the analysis, golfers did not show high reliability and satisfaction on the functional golfwear. In the results of the most function-required golfwear items, there were shirts, pants, footwear, gloves, windbreaker, innerwear etc. in order. Most of golfers answered that the function of golfwear was required for pleasant and comfort golf activity. Therefore, it is necessary for golfwear makers to develop consumer-oriented golfwear products which are reliable and satisfiable to golf consumers.

• 환경영향평가
• /
• 제21권3호
• /
• pp.391-407
• /
• 2012

The loss of connectivity and fragmentation of forest landscapes are seriously hindering dispersal of many forest-dwelling species, which may be critical for their viability and conservation by decreasing habitat area and increasing distance among habitats. For understanding their environmental impacts, numerous spatial models exist to measure landscape connectivity. However, general relationships between functional connectivity and landscape structure are lacking, there is a need to develop landscape metrics that more accurately measure landscape connectivity in whole landscape and individual patches. We reviewed functional and structural definition of landscape connectivity, explained their mathematical connotations, and applied representative 13 indices in 3 districts of Seoul having fragmented forest patches with tits, the threshold distance was applied 500m by considering the dispersal of tits. Results of correlation and principal component analysis showed that connectivity indices could be divided by measurement methods whether they contain the area attribute with distance or not. Betweenness centrality(BC), a representative index measuring distance and distribution among patches, appreciated highly stepping stone forest patches, and difference of probability of connectivity(dPC), an index measuring including area information, estimated integrated connectivity of patches. Therefore, for evaluating landscape connectivity, it is need to consider not only general information of a region and species' characteristics but also various measuring methods of landscape connectivity.

• 기록학연구
• /
• 제44호
• /
• pp.5-49
• /
• 2015

최근 기록학계에 기록화 전략(documentation strategy)에 관한 연구가 꾸준히 발표되고 있으나, 우리나라에서 헬렌 사무엘스가 제시한 기관기능분석(institutional functional analysis) 방법론을 적용한 실제 사례나 연구는 진행된 바가 거의 없다. 기관기능분석은 거시적인 차원에서 기관의 본질적인 기능을 정의함으로써 기록에 대한 포괄적인 이해를 제공하는 방법론이다. 기관기능분석으로 도출된 기록화 영역은 아키비스트가 기관의 기록을 선별하여 남기기 위한 일종의 선험적인 틀로 기능한다. 즉, 기관기능분석 방법론을 통해 기관의 기능을 분석함으로써, 현행 기록처리일정표에서 담보하지 못하는 기능을 거시적인 차원에서 식별하여 해당 조직의 업무 활동에 대한 설명책임성 확보가 가능한 것이다. 미국의 기록화 프로젝트는 이러한 배경에 부합하는 대표적인 사례이다. 이에 본 연구에서는 미국 의회의 사례를 분석함으로써, 미국 의회와 같은 성격의 국가기관인 우리나라 국회에 기관기능분석을 적용할 때 필요한 시사점을 도출하여 제안하였다. 이를 위해 우선 선행연구의 성격으로 기관기능분석에 관한 이론적 논의를 살펴보았다. 둘째, 미국 의회 기록화 프로젝트를 기관기능분석에 따른 기능별로 사례 분석하였다. 셋째, 사례 분석 결과를 토대로 시사점을 도출함으로써 우리나라 국회에 적용 가능한 기록화 영역을 제안하였다.

• 생태와환경
• /
• 제54권4호
• /
• pp.327-333
• /
• 2021

외래식물이 새로운 환경에 성공적으로 정착할 수 있는 이유를 설명하는 주된 두 개의 가설은, 외래식물이 새로 정착할 지역 군집 구성원들과 충분히 달라 경쟁을 피할 수 있기 때문이라는 것, 그리고 이미 적응하고 있는 그 지역 군집의 구성원과 유사하여 새로운 환경에 잘 적응할 수 있기 때문이라는 것이다. 본 연구는 낙동강변에 인위적으로 조성된 습지공원지역을 대상으로 외래(귀화) 초본식물과 자생 초본식물의 기능 형질을 조사하여 상호 비교 분석하여 앞의 두 가설 중 어느 가설이 맞는지 확인하고자 하였다. 식물 잎 형질 중, 잎 면적, 잎 면적비, 잎 두께, 잎 건조 중량, 잎 질소량, 잎 탄소량을 이용하여 분석한 결과, 외래(귀화)식물과 자생식물이 서로 구분되었고, 이는 외래(귀화)식물이 자생식물보다 잎 질소량이 높기 때문인 것으로 생각되었다. 높은 잎 질소량은 높은 광합성률과 연관되고 이는 효과적인 자원 이용 및 빠른 생장과 관련있음을 고려할 때, 본 연구지역에 정착한 외래식물 역시 이러한 기능적 특징을 가지고 있는 것으로 생각되었다. 본 연구 결과는 앞의 두 가설 중 외래식물과 자생식물의 기능적 차이가 외래식물 정착 성공을 결정한다는 가설을 지지하는 것으로 보인다.