• Title/Summary/Keyword: Knob

Search Result 97, Processing Time 0.023 seconds

Actual Clothing Conditions for the Elderly Contributing to the Improvement of ADL Level (일상생활 수준 향상에 기여하는 실버웨어 제작을 위한 설문조사 연구)

  • Bang, Ha Yeon;Kim, Hee Eun
    • The Korean Fashion and Textile Research Journal
    • /
    • v.15 no.1
    • /
    • pp.147-155
    • /
    • 2013
  • The demand to complement the elderly body shape with comfortable clothing has greatly increased with the growing elderly population and their improved social-economic level. However, apparel industries have not provided significant production and sale strategies that reflect and consider elderly body shape characteristics. This study investigated the demand and complaints of current silver wear. This study was conducted on 100 elderly people 65 and over. The questionnaires were composed of Korean Activities of Daily Living (K-ADL) that reflect the general characteristics of the respondents related to clothing (clothing requirements and demands) and free comments on each question. Subsequently, we found that the most uncomfortable clothing parts were 'sleeve length' and 'crotch' in women and 'neck circumference' and 'pocket' in men when wearing shirts and pants respectively. Respondents felt that the button and zipper knob sizes were too small with the buttons too numerous. The results suggest that we should consider body shape changes caused by aging in order to develop elderly clothing patterns to improve the level of ADL. We anticipate apparel industries for the elderly to expand due to the rapid increase in the elderly population.

Comparative Ultrastructures of the Fertilized Egg Envelopes in Danio rerio and Danio rerio var. frankei, Cyprinidae, Teleostei

  • Joo, Kyung Bok;Kim, Dong Heui
    • Applied Microscopy
    • /
    • v.43 no.1
    • /
    • pp.14-20
    • /
    • 2013
  • The leopard danio, Danio rerio var. frankei is a spotted color morph of the zebrafish, Danio rerio caused by a pigment mutation. The structural differences of fertilized egg and egg envelope are poorly documented. To clarify this, we compared the fertilized egg morphology and ultrastructures of surface structures, the micropyle and the cross section of fertilized egg envelopes of zebrafish and leopard danio, variation species of zebrafish using a light and electron microscopes. Although the fertilized egg sizes were different, the external shapes of the fertilized eggs of two species couldn't be differentiated under the light microscope. The characteristics of fertilized eggs, such as a spherical shape, a non-adhesive quality and a large perivitelline space, were shown to be related to spawning habit. In ultrastructure of fertilized egg envelope, there is no morphological difference of micropyle between two species. By contrast, the ultrastructure and the numbers of knob-like structures and semihemisphere-like structures per unit area on the outer surface, and the number of lamellae of inner layer on the fertilized egg envelope section displayed definite species specificity. Collectively, our data indicate that the ultrastructure of fertilized egg envelope in the zebrafish could be differentiated by species variation.

Fourteen new species of Allobathynella Morimoto and Miura, 1957 from South Korea: with a redescription of A. coreana Morimoto, 1970 (Crustacea, Bathynellacea, Parabathynellidae)

  • Park, Jong-Geun;Cho, Joo-Lae
    • Journal of Species Research
    • /
    • v.5 no.1
    • /
    • pp.49-156
    • /
    • 2016
  • Fourteen new species and A. coreana Morimoto, 1970 of Allobathynella Morimoto and Miura, 1957 are (re-)described and illustrated from the Korean Penninsula. Comparison of the external morphology of these species and two previously known species, A. japonica Morimoto and Miura, 1957 and A. shinjongieei Park and Cho, 2008 enables us to amend the generic diagnosis. A 7-segmented antennule turns out to be inconsistent character due to A. wonjuensis sp. nov., which has a 6-segmented antennule. On the other hand, the exopodal distal segment of thoracopods I-VII with a tiny terminal knob and with outer seta covered by long and strong barbs is proved to be a autapomorphic character of the genus. The 14 new species belong to the mirabilis-group and display more or less similar morphology. However, they differ from A. coreana, A. japonica and A. shinjongieei and from each other not only in quantitative but also in qualitative characters. These differences are summarized in tables. The species inhabit hyporheic zones of rivers and each appears to be highly endemic to a given tributary, having a range limit less than 100 km.

Determination of Primary Working Area based on Working Comfort (사용 편의성에 기초한 주작업영역의 결정)

  • 박성준;정의승
    • Proceedings of the ESK Conference
    • /
    • 1995.04a
    • /
    • pp.155-164
    • /
    • 1995
  • For efficient operation, vital hand controls must be easily controlled by the operator from his normal working position. The primary working area based on operator's working comfort was developed to serve as a design guideline tothe control panel layout. Ten male subjects participated in the experiment in which working comfort was measured for two controls of a lever type control and a knob type control with respect to the frontal and sagittal distances from the body center and the slope of a workplace. The response surface methodolgy using a central composite design was employed to develop a prediction model for perceived working comfort of each control. Both controls have a similar pattern of comfortable working area, but the lever type control has slightly broader working area. The concept of the proposed working area is a significant extension to the conventional working area such as Farley's or Squires' curves. It is shown that the distance toa control device and the slope have a quadratic effect to working comfort. It is noticeable that comfortable working area exists outside the conventional working area. The result of the response surface analysis also indicated that a little slope of about 15 .deg. for a control panel improves working comfort.

  • PDF

Haptic Effects Design for Haptic Dial System (햅틱 다이얼 시스템에서의 햅틱 효과 디자인)

  • Shin, Sang-Kyun;Kim, Lae-Hyun;Han, Man-Chul;Cho, Hyun-Chul;Park, Se-Hyung
    • 한국HCI학회:학술대회논문집
    • /
    • 2009.02a
    • /
    • pp.335-339
    • /
    • 2009
  • The purpose of this study is to propose a new Haptic Dial System (HDS) for Virtual Prototyping by developing upgraded systems and various Haptic effects. The Haptic Effect Design (HED) which gives users sensations like handling actual products has a function of controlling loudness by force and changing Haptic effects on GUI windows in real-time. In addition, the HED has another function of editing intervals to express Haptic effects as graphical force and notch on windows. Many kind of dial knob can be attached and removed easily for testing the performance of actual product designs. The HDS can be remotecontrolled through giving and taking the information between motor part and GUI part with TCP communication. The HDS can be applied to the output devices of Haptic effects as well as input-interfaces.

  • PDF

Software Development for Automatic Generation of Unit Shape Part for Variable Lamination Manufacturing Process (가변 적층 쾌속 조형 공정 개발을 위한 단위형상조각 자동 생성 소프트웨어 개발 및 적용 예)

  • Lee, Sang-Ho;Kim, Tae-Hwa;An, Dong-Gyu;Yang, Dong-Yeol;Chae, Hui-Chang
    • Journal of the Korean Society for Precision Engineering
    • /
    • v.18 no.8
    • /
    • pp.64-70
    • /
    • 2001
  • In all the Rapid Prototyping (RP) techniques, the computer-aided design (CAD) model of a three-dimensional part is sliced into horizontal layers of uniform, but not necessarily constant, thickness in the building direction. Each cross- sectional layer is successively deposited and, at the same time, bonded onto the previous layer. The stacked layers form a physical part of the model. The objective of this study is to develop a software for automatic generation of unit shape part(USP) for a new RP process, Variable Lamination Manufacturing using the linear hotwire cutting technique and expandable polystyrene foam sheet as part material(VLM-S). In order to examine the applicability of the developed software to VLM-S, USPs of general three-dimensional shapes, such as an auto-shift lever knob and a pyramid shape were generated.

  • PDF

A Design and Application of the Ventilating and Heating System of T-103 Trainer Aircraft for Improvement (T-103 훈련기의 환기와 난방 시스템 개선에 관한 연구)

  • Jung, Daehan
    • Journal of the Korea Institute of Military Science and Technology
    • /
    • v.16 no.3
    • /
    • pp.277-284
    • /
    • 2013
  • In this paper, the ventilating and heating system of T-103 trainer aircraft were investigated and redesigned to improve its poor performance. The ventilation system of the trainer was designed to increase the mass flow rate of fresh air by using air intake valves. The flow-in air through the air intake valve is supplied to the cabin by the ram effect of aircraft and the propeller. And the additional heating system was installed to improve the temperature of the cabin inside. The wasted heat from the exhaust gas of the engines was used as heat source of the additional heating system by installing an heat exchanger around the exhaust nozzle. The additional fresh air and the heated air enter the cabin via two ducts mounted under the instrument panel and behind the pedal in the cabin. The additional ventilating and heating system can be controlled by the first pilot and the secondary pilot individually using the control knob equipped separately. After mounting the additional ventilating and heating system, evaluations such as inspection of parts and component, ground run-up test, in-flight test, user test, etc. were conducted. The result of the tests was sufficient to meet the requirements of the manuals, and the pilots were satisfied with the additionally mounted systems.

Development of Satisfaction Models for Passenger Car Interior Materials Considering Statistical, Technical, and Practical Aspects of Design Variables (설계변수의 통계적.기술적.실질적 측면을 고려한 자동차 내장재질의 만족도 모형 개발)

  • You, Hee-Cheon;Ryu, Tae-Beum;Oh, Kyung-Hee;Yun, Myung-Hwan;Kim, Kwang-Jae
    • IE interfaces
    • /
    • v.17 no.4
    • /
    • pp.482-489
    • /
    • 2004
  • As the functional characteristics of passenger cars have reached to a satisfactory level, customers place more concerns with the aesthetic aspects of interior designs. The present study developed satisfaction models of passenger car interior materials for six parts including crash pad, steering wheel, transmission gearshift knob, audio panel, metal grain, and wooden grain. Eight to fifteen material design variables such as color, embossing, and smoothness were defined for the six interior parts based on literature survey, customer reviews, and expert opinions. A satisfaction survey was conducted for 30 vehicles with 30 participants ($mean{\pm}SD$ of age = $28.7{\pm}6.6$) by using a modified magnitude estimation scale. Based on the survey results, the material design variables were screened from statistical, technical, and practical aspects. With the screened variables, satisfaction models were developed by using the quantification I method for the six interior parts, indicating the importance of material design variables and preferred material properties.

Experimental Study for the Optimum Conditions of Painting Using Phase Doppler Particle Analyzer (PDPA를 이용한 도장의 최적 조건에 관한 실험)

  • 황승식;김종철;하옥남;전운학;정회원
    • Transactions of the Korean Society of Automotive Engineers
    • /
    • v.5 no.4
    • /
    • pp.1-20
    • /
    • 1997
  • The automotive industry as the major industry of the nation has affected both society and economy since the automobile was invented, and the main technique that help to performance improvement of the automobile has been developed. But, the painting technique lags behind the main technique of the automobile because that was neglected. Specially, we can say that in case of the painting technique of the automobile of our nation is so weak situation. After we changed the injecting pressure, the composition ratio (paint, hardener, thinner) and the injecting flow rate from spray-gun by PDPA, we studied the character of the injecting velocity and droplet size, and found the fittest condition. So, we got the following result to help mending paint technique of automobile surface. We could know the following fact from the experiment result. When it does mending paint of automobile, there is most suitable that to inject the paint as injecting pressure 200∼300 kPa and to inject the ratio of paint 10 : 1 : 1 when the fluid adjective knob valve spay-gun is open full.

  • PDF

New host and first description of a male Anchistrotos kojimensis Do and Ho, 1983 (Copepoda: Cyclopoida: Taeniacanthidae) from Korean waters

  • Moon, Seong Yong;Choi, Jung Hwa;Lim, Yang Jae;Kim, Jung-Nyun
    • Journal of Species Research
    • /
    • v.6 no.spc
    • /
    • pp.8-14
    • /
    • 2017
  • Taeniacanthid copepods Anchistrotos kojimensis Do and Ho, 1983 were collected from the branchial cavities of stichaeid fish, Ernogrammus hexagrammus (Schlegel) and yellowfin goby, Acanthogobius flavimanus (Temminck and Schlegel) in Korean waters. Here, we provide the first description of a male of Anchistrotos Do and Ho, 1983. A close comparison of the specimens of A. kojimensis collected from Korea with the original description revealed differences in the adult female: (1) the caudal ramus bears seven setae (seta I minute); (2) the maxillule with small knob-like process anteriorly; (3) leg 5 ornamented with patched spinules distally and having row of spinules at base of each spine and distal seta. The first description of the adult male reveals the following features: (1) the distal abdominal somite had rows of spinules anteriorly and near insertion of each caudal ramus; (2) the postantennal process is more elongate than in the female; (3) the basis of maxilliped is with two prosimomedial setae, two longitudinal rows of stout denticles found on posteromedial surface and row of spinules on anteromedial surface; and (4) the second endopodal segment is a strongly curved claw, with a row of stout denticles along a concave margin, two long and one small setae.