• Title/Summary/Keyword: Test Standard

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Development of gripping force and durability test standard for myoelectric prosthetic hand (근전전동의수의 파지력 및 내구성 시험 표준 개발)

  • Gook Chan Cha;Suk-Min Lee;Ki-Won Choi;Sangsoo Park
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.4
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    • pp.393-399
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    • 2023
  • Upper limb amputees wear an upper limb prosthesis for both aesthetic purposes and functional necessity, and in particular, in the case of amputee with both hands, it is essential to wear a myoelectric prosthetic hand capable of gripping action. The prosthetic hand operated by the EMG signal of the remaining muscles is a public insurance benefit item of the Industrial Accident Compensation Insurance, and test method standards are needed to be developed for the safety of the user and the effectiveness of the product performance. In this study, we developed systems for measuring the gripping force of myoelectric hand prosthesis by a load cell and for durability test of the prosthesis over repeated use with a proximity sensor, and propose a test method standard. Since the international test method standard has not yet been established, it is expected that Korea will be able to play a leading role in this standardization field in the future.

A Study on the Determination of Construction Depth of Vertical Drain by Cone Resistance (콘 관입저항치를 이용한 수직배수재 타설심도 결정에 관한 연구)

  • Jang, Seo-Yong;Kim, Jong-Ryeol;Shin, Yun-Sup;Ma, Bong-Duk
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.10 no.5
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    • pp.163-170
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    • 2006
  • Recently, piezocone penetration test is frequently used in order to estimate the characteristics of soft ground with standard penetration test, generally used in the past. In this study, the correlation of standard penetration test, piezocone penetration test and driving resistance of vertical drain is analyzed in order to increase the confidence for determination of soft ground depth. As the results of each zone, the relation between standard penetration test and piezocone penetration test shows qc=(1.09~1.63)N at the soft ground, determined by 5/30 N value which is decided for soft ground criteria. And qc=(1.21~1.98)N was shown at the point of compressible layer, evaluated by the preconsolidation pressure. And driving resistance of vertical drain is $65{\sim}70kgf/cm^2$ which is equal to $10kgf/cm^2$ of cone penetration resistance.

A Study on the Strength Estimation Formular of the Precast Concrete Products Using the Chloride Ion Penetrating Test (염소이온투과시험을 이용한 콘크리트제품의 강도추정에 관한 연구)

  • 장문기;이정재
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 1998.10a
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    • pp.146-149
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    • 1998
  • In this study, the chloride ion penetration test and the compressive strength test should be done simultaneously on the standard cylinder specimen. And from analyzing the data from those tests, a strength estimation equation with high credibility is to be developed.

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A Study on Ease for the Skirt of Stretch Fabric according to the Body Types(I) (신축성 직물 스커트의 체형별 여유분에 관한 연구(I)-표준 체형을 중심으로-)

  • 설경희;서미아
    • The Research Journal of the Costume Culture
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    • v.9 no.3
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    • pp.433-446
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    • 2001
  • Recently, according to changes in fashion trends, the importance of stretch fabric stands out. A lot of studies on non-stretch woven fabrics have been made, but few studies on stretch fabrics has been made yet. Especially, the study on ease for the patterns, according to body types, of stretch has not been made at all. The purpose of this study was to make clear reduction ratio due to the stretch ratio and to find out the ease for the patterns of stretch skirt according to standard body type to improve the aesthetics and wearing satisfaction. Therefore, fundamental data for aesthetic and functional patternmaking of the stretch skirt can be suggested. The results from the study were as follows: 1. The results from the appearance test were as follows. For the ease on waist, W+0㎝ and W-1㎝ for standard body type were suggested for the best fit. For the ease on hip, H+2㎝ and H+0㎝ for standard body type were suggested for the best wearing best fit. 2. The results from wearing satisfaction test were as follows. W+0㎝, H+2㎝ for standard body type were suggested for the best wearing satisfaction. 3. Based on the results from the above tests, the pattern reduction ratios for stretch skirt were as follows: pattern reduction ratio 3.0∼4.6% of waist, 2.1∼4.3% of hip for standard body type were suggested for the appropriate reduction ratio for stretch skirt. 4. The result from this study for stretch skirt was as follows: For standard body type, W+0㎝, W-1㎝ for waist and H+2㎝, H+0㎝ for hip were appropriate for stretch skirt pattern.

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Effects of Empowerment and Regarding Standard Precautions for Healthcare associated Infection Control in Healthcare Workers on Performances (의료종사자의 임파워먼트와 의료관련감염 관리 표준주의지침 인지도가 수행도에 미치는 요인)

  • Jung, Mi-Ra
    • Journal of Digital Convergence
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    • v.16 no.2
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    • pp.243-250
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    • 2018
  • The purpose of this study was to examine relationships among empowerment, awareness and performance on standard precautions and identify the factors that affect performance of standard precaution in the health care workers. The data were collected from 200 health care workers working in the general hospital located Y city. The data were analyzed by descriptive statistics, t-test, ANOVA, Scheffe, Pearson's correlation coefficient, and stepwise multiple regression. The result of the stepwise multiple regression indicates the awareness predict 49.0% (F=191.98, P<.001) in the performance of standard precaution. Therefore, it is necessary to develop awareness of the standard precaution strategy program for improving the performance of standard precautions in health care workers.

Effects of Empowerment and Regarding Standard Precautions for Healthcare associated Infection Control in Nursing Students Experiencing Clinical Practice on Performances (임상실습을 경험한 간호대학생의 임파워먼트와 의료관련감염 관리 표준주의지침 인지도가 수행도에 미치는 요인)

  • Jung, Mi-Ra;Jeong, Eun
    • Journal of Digital Convergence
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    • v.17 no.1
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    • pp.259-267
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    • 2019
  • The purpose of this study was to examine relationships among empowerment, awareness and performance on standard precautions and identify the factors that affect performance of standard precaution in nursing students experiencing clinical practice. The data were collected from 168 nursing students who experienced clinical practice in the two colleges located Jeonnam. The data were analyzed by descriptive statistics, t-test, ANOVA, Scheffe, Pearson's correlation coefficient, and stepwise multiple regression with SPSS 20.0 program. The result of the stepwise multiple regression indicates the awareness predict 77.7% (F=579.84, p<.001) in the performance of standard precaution. Therefore, it is necessary to develop awareness of the standard precaution strategy program for improving the performance of standard precautions in nursing students experiencing clinical practice.

Computerization and Application of the Korean Standard Pronunciation Rules (한국어 표준발음법의 전산화 및 응용)

  • 이계영;임재걸
    • Language and Information
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    • v.7 no.2
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    • pp.81-101
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    • 2003
  • This paper introduces a computerized version of the Korean Standard Pronunciation Rules that can be used in speech engineering systems such as Korean speech synthesis and recognition systems. For this purpose, we build Petri net models for each item of the Standard Pronunciation Rules, and then integrate them into the sound conversion table. The reversion of the Korean Standard Pronunciation Rules regulates the way of matching sounds into grammatically correct written characters. This paper presents not only the sound conversion table but also the character conversion table obtained by reversely converting the sound conversion table. Malting use of these tables, we have implemented a Korean character into a sound system and a Korean sound into the character conversion system, and tested them with various data sets reflecting all the items of the Standard Pronunciation Rules to verify the soundness and completeness of our tables. The test results show that the tables improve the process speed in addition to the soundness and completeness.

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Bodyshell strength analysis for standard EMU (표준전동차 개발을 위한 구조체의 강도해석)

  • 권태수;이호용;이관섭;최성규
    • Proceedings of the KSR Conference
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    • 1998.11a
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    • pp.455-463
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    • 1998
  • The standardization urban transit project has been started by government and the Korean standard electrical railcar has been designed. The bodyshell of standard railcar is made of aluminium alloy. In the present paper, the design of its bodyshell is evaluated in the viewpoint of strength analysis. The loading condition is based on the 'Test Methods of Static Load for Body Structure of Electrical Multiple Unit', standard specification. The bodyshell of Korean standard EMU consist of longitudinal extrusion members which are double-skin structure type. The result in this paper is enough to satisfy strength requirement which is provided by standard specification. The comparison between actual experiment and analysis result will be presented in the next paper.

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A study on the usefulness of standard evaluation tools for ambulance ride practices of paramedic students (응급구조(학)과 학생들의 구급현장실습 표준 평가도구의 유용성에 관한 연구)

  • Hong, Sung-Gi
    • The Korean Journal of Emergency Medical Services
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    • v.24 no.3
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    • pp.41-53
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    • 2020
  • Purpose: This study tests the validity of a standard evaluation tool of ambulance ride practices with new evaluation items and supports its application by 119 preceptors. Methods: We tested the validity of standard evaluation items collected from 19 on-site professionals assessing ambulance ride practices. New evaluation items, 'understanding of emergency rescue equipment' and 'ability to communicate', were added as additional criteria. The modified Delphi technique was used to test the three evaluation areas and ten evaluation items. We used the analytic hierarchy process to analyze the weighting value of the reconstructed evaluation tool model. Results: All three evaluation areas and 10 evaluation items within the standard evaluation tools used for ambulance ride practices corresponded with the consistency index, degree of convergence, and agreement in the modified Delphi panel. Conclusion: These results provide evidence of the consistency and usefulness behind preceptors' use of this standard evaluation tool in ambulance ride practice.

Uncertainty assessment for a towed underwater stereo PIV system by uniform flow measurement

  • Han, Bum Woo;Seo, Jeonghwa;Lee, Seung Jae;Seol, Dong Myung;Rhee, Shin Hyung
    • International Journal of Naval Architecture and Ocean Engineering
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    • v.10 no.5
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    • pp.596-608
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    • 2018
  • The present study aims to assess test uncertainty assessment method of nominal wake field measurement by a Stereoscopic Particle Image Velocimetry (SPIV) system in a towing tank. The systematic uncertainty of the SPIV system was estimated from repeated uniform flow measurements. In the uniform flow measurement case, time interval between image frames and uniform flow speed were varied to examine the effects of particle displacement and flow around the SPIV system on the systematic standard uncertainty. The random standard uncertainty was assessed by repeating nominal wake field measurements and the estimated random standard uncertainty was compared with that of laser Doppler velocimetry. The test uncertainty assessment method was applied to nominal wake measurement tests of a very large crude oil carrier model ship. The nominal wake measurement results were compared with existing experimental database by other measurement methods, with its assessed uncertainty.