• Title/Summary/Keyword: O-Y.PSM

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A Study of Standardization of Floor Slip Test method using O-Y·PSM (경사인장형 바닥 미끄럼 시험방법의 표준화에 관한 연구)

  • Shin, Yun-Ho;Kang, Yong-Hak;Choi, Soo-Kyung
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2016.05a
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    • pp.95-96
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    • 2016
  • The floor slip test method using O-Y·PSM was developed based on the risk assessment and sense of slip by the users implementing actions such as changing walking direction on a floor. This test method is regulated under the Korea Industrial Standard KS M 3510, and in the Korea Industrial Standard KS F 3230, the article of KS M 3510 is cited. Yet, in the standard, the surface condition of test or slip adjustment method is merely mentioned or difficult to be found, and thus it creates confusion in floor slip test using O-Y·PSM. Therefore, this study is to provide the useful data to revise the relative standard through the standardization study including various surface conditions of sample and slip adjustment method used in floor slip test method using O-Y·PSM.

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Development of Calibration Equation of Portable Slip Meter(ONO·PPSM) through Comparative test of O-Y·PSM and ONO·PPSM (경사인장형 미끄럼시험기(O-Y·PSM)와의 비교실험을 통한 휴대형 미끄럼시험기(ONO·PPSM)의 교정식 작성)

  • Shin, Yoon-Ho;Choi, Soo-Kyung
    • Journal of the Korea Institute of Building Construction
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    • v.9 no.5
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    • pp.155-161
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    • 2009
  • This paper is the result of an investigation of a PORTABLE SLIP METER(ONO PPSM) by means of an experiment to determine its validity as a slip meter. ONO PPSM is a portable slip meter that was designed to address the weak points of PULL SLIP METER(O-Y PSM), which can be used to obtain an accurate measurement of slip resistance, but is very heavy and difficult to operate. To determine the stability of the measurement result of ONO PPSM, we measured the slip resistance against 4 different kind of floor materials. Our findings showed that the coefficient of variability of CSR' is less than 0.05. Furthermore, we verified the relationship between CSR' and CSR. More specifically, by performing the slip test against 7 different kinds of inorganic matter floor materials, we increased the usability of ONO PPSM as a slip meter by suggesting a method of sharing the evaluation index of slip of CSR' and C.S.R.

Relationship between RCOF Calculated from the Results of Gait Analysis and CSR Measured Using O-Y·PSM (O-Y·PSM에 의한 CSR과 보행분석에 의한 RCOF와의 관계)

  • Roh, Yong-Woon;Choi, Soo-Kyung
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2013.05a
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    • pp.59-61
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    • 2013
  • The purpose of this study was to present the necessary data concerning the selection and development of floor-coverings in view of slipperiness by comparing the relationship between CSR measured with O-Y·PSM and RCOF calculated from the result of gait analysis. CSR was calculated from maximum tensile load(Pmax) divided by perpendicular load(785N) when pulled 18 degrees upward the moment the bottom of the slip piece contacted the surface of the test piece. RCOF was calculated based on Fy/Fz from when horizontal load reached the maximum point within the sections from the moment the front of outsole touched the test piece to when pulled off the test piece. The results from the research were as follows: (1) Range of CSR was 0.15-1.02, which meant the differences of slipperiness of the test pieces definitely showed up. (2) RCOF are inadequate to express the characteristic about the slipperiness of the floors, since there were no differences between the test pieces.

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The Effects of PSM on Immune Response (버섯다당체로 구성된 PSM의 면역조절에 미치는 영향)

  • 오영선;오민석;손창규;조종관;송태원
    • The Journal of Korean Medicine
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    • v.22 no.1
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    • pp.46-52
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    • 2001
  • Objectives: This experimental study was carried out to evaluate the effects of PSM(polysaccharide of mushroom) on the immune activity. Methods: The following were performed; Immunotoxicity testing for immunopathology, IgO production & LPS mitogen response for humoral immunity, DTH, ConA mitogen response for cell-mediated immunity, and macrophage adherence & phagocytosis for nonspecific immunity in vitro or in vivo. Results: PSM showed a protective effect on cyclophosphamide-induced leukopenia, increased IgG production and lymphoproliferative responses to LPS; inhanced DTH and lymphoproliferative response Con A; and activated macrophage adherence and phagocytosis to SRBC. Conclusions: It is suggested that PSM can be used for cancer patients with immunosuppression and adapted to many other diseases.

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An Study on Implementation of Automatic Code Generation Independent on PSM Using Template (템플릿을 이용한 PSM에 독립적인 코드 자동 생성 기법에 관한 연구)

  • Choi, Yeon-Jun;Kim, Min-Jeong;Lee, Mun-Su;Yoon, Seok-Jin;Kwon, O-Cheon
    • Proceedings of the Korea Information Processing Society Conference
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    • 2003.11c
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    • pp.1657-1660
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    • 2003
  • 엔터프라이즈 컴퓨팅 환경에서 넘쳐나는 다양한 플랫폼과 언어, 프레임워크가 소프트웨어 개발에 대한 중복 투자를 야기하고 있다. 이종 플랫폼, 나아가 이종 개발 플랫폼을 자유로이 연동시킬 수 있는 개발 방법에 대한 필요성이 대두되면서 등장한 MDA 개념은 개발된 모델을 특정 플랫폼에 알맞은 형태로 변환함으로써 개발 모델 및 코드의 재사용성을 극대화한다. 본 논문에서는 MDA 개발 방법에 있어서 특정 플랫폼에 알맞은 로드를 동적으로 생성하면서 PSM 이나 프로그래밍 언어에 대한 중립성을 가지기 위한 방안으로 템플릿과 언어 처리기를 복합적으로 사용하는 방안을 제시한다.

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Evaluation of Remote Handling Performance with the Polarized Stereo Monitoring System (편광방식 스테레오 모니터링 시스템의 원격조작성 평가)

  • Lee, Yong-Bum;Lee, Nam-Ho;Park, Soon-Yong;Lee, Jong-Min;Jin, Sung-Il
    • Journal of Sensor Science and Technology
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    • v.5 no.5
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    • pp.55-62
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    • 1996
  • This paper describes development of Polarized Stereo Monitoring System (KAERI-PSM) and compares the remote handling performance of KAERI-PSM with that of other monitoring systems, electric shutter type stereo monitoring system and general TV monitoring system. Remote handling performance is evaluated by total time and error number on remote operating experiments. Four kinds of remote handling experiments are carried out through 1) directly 2) general TV 3) electric shutter type monitor, and 4) KAERI-PSM. In these experiments six employees are participated and PUMA robot with force-torque reflectional joystic is used. The result of experiments show that camera angle against object is significant factor in monitoring and stereo monitoring system give more performance benifits in terms of accuracy and speed of remote handling operation than general TV monitoring system. In comparision of the polarized and electric shutter type stereo monitoring system, both have similar accuracy and speed for remote handling operation, but the former is superior in image quality and stability of the performance.

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Application Review of Portable Slip Meter(ONO.PPSM) (휴대형 미끄럼시험기 (ONO.PPSM)의 적용성 검토)

  • Baek, Koen-Hyuk;Shin, Yoon-Ho;Choi, Soo-Kyung
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2009.05b
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    • pp.219-223
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    • 2009
  • This paper is the result of investigation of ONO PPSM(ONO PORTABLE SLIP METER) by way of experiment to see the validity as a slip meter, ONO PPSM is a portable slip meter which was made up for the weak points of O-Y PSM(ONO-YOSHIOKA PULL SLIP METER) which takes an accurate measurement of the slip resistance but very heavy and hard to operate. In order to know the stability of the measurement result of ONO PPSM, we measured the slip resistance against 4 different kind of floor materials. As a result of this, we found out that the coefficient of variability of CSR' is less than 0.05. Also, we verified the relation between CSR' and CSR. more specifically by doing the slip test against 7 different kinds of inorganic matter floor materials. We increased the usability of ONO PPSM as a slip meter by suggesting the method of sharing the evaluation index of slip of CSR' and C.S.R.

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Application of Risk Based-Inspection for the Safety Improvement of the Chemical Facilities (화학설비의 안전성 향상을 위한 위험기반검사의 적용)

  • Kim Tae-Ok;Lu Hern-Chang;Shin Pyong-Sik;Choi Byung-Nam;Jo Ji-Hoon;Jeong Seong-Gweong;Ki O-Hwan;Shin Dong-Il
    • Journal of the Korean Institute of Gas
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    • v.10 no.3 s.32
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    • pp.13-19
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    • 2006
  • As a way of improving the safety of the facilities, the risk based-inspection (RBI) was executed for the chemical facilities by using K-RBI program, which has been developed based on the API-581 based resource document (BRD). As the result of the evaluation, we found the level of the process safety management (PSM) for the applied plant, quantitative risk of the applied process, risk of static facilities and pipes, and the damage mechanism of the facilities. Thus, we could suggest a proper inspection frequency using the calculated risk of the process and the status of the facilities. The applied plant achieved a reduced inspection cost by an extension of the inspection frequency, improved productivity, improved reliability of the facilities, and a computerized history management.

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이중 주파수를 사용하는 펄스 플라즈마 특성에 관한 연구

  • Choe, Sang-Uk;Seo, Jin-Seok;Kim, Tae-Hyeong;Kim, Gyeong-Nam;Yeom, Geun-Yeong
    • Proceedings of the Korean Vacuum Society Conference
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    • 2014.02a
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    • pp.219.1-219.1
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    • 2014
  • 전자소자 산업의 미세화 및 대형화에 따라 플라즈마 밀도, 전위, 온도, 균일도 등 과 같은 플라즈마 특성을 제어하는 것은 차세대 플라즈마 장치 개발에 있어 매우 중요한 요소라고 할 수 있다. 특히, 급격한 소자의 미세화에 따라 플라즈마 공정을 통해 발생할 수 있는 damage는 큰 issue가 되어 왔고, 많은 연구자들은 이를 해결하기 위해서 다각적인 노력을 진행해 왔다. 그중 높은 전자 온도는 높은 전자 에너지에 의해 공정 중 소자를 손상 시키는 주된 원인이라고 보고되고 있으며, 이에 대한 제어기술은 매우 중요하다고 할 수 있다. 본 연구에서는 서로 다른 두 개의 내/외측으로 나뉘어진 나선형 모양의 ICP 안테나를 이용 하여 연구를 진행하였다. 내측의 안테나에는 2 MHz를 연결 하였으며, 외측의 안테나에는 13.56 MHz를 연결 하였으며, 내/외측 안테나에 각각 pulse mode로 입력전력을 인가해 줌으로써 플라즈마의 특성을 관찰하였다. Pulse / CW (Continuous Wave) mode에 있어서 전자온도의 측정을 위해 emissive probe 를 이용하여 plasma potential과 floating potential을 측정하였으며, 이를 통하여 전자온도를 계산하여 구할 수 있었다. Duty ratio 및 pulsing frequency의 변화에 따른 전자온도의 변화를 확인 할 수 있었으며, 그에 따른 플라즈마 균일도를 ion saturation current를 측정함으로써 관찰할 수 있었다. 실제 식각 공정에 있어서 Pulsing 조건에 따른 식각 특성을 관찰하기 위해, SiO2, ACL (Amorphous Carbon Layer)에 대해 식각을 진행하였으며, 식각 메커니즘 분석을 위해 이온에너지 분포의 변화를 PSM (Plasma Sampling Mass-spectroscopy)을 이용하여 측정하였다.

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