• Title/Summary/Keyword: measurement paradigm

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An Empirical Analysis of Economies of Scope in the Small Crop-Livestock Cycling Organic Farming -Case of 'W-farm' in Pyungchang - (소규모 경축순환 유기농가 경영에서의 범위의 경제성 실증 분석 -평창군 'W농장' 사례를 중심으로-)

  • Choi, Deog-Cheon
    • Korean Journal of Organic Agriculture
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    • v.24 no.4
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    • pp.665-680
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    • 2016
  • Theoretically, it is said that economies of scope can be realized in the cropelivestock cycling organic farming. Thus, it is also used as the principle of organic farming. However, it is difficult to find the cases of the empirical analysis of it in Korea. In that sense, this study is meaningful in that it analyzed the agricultural data of case farms of obtaining the approval of both organic agricultural products and organic animal products and practicing cycling farming for 4 years and tested the hypothesis. This study measured economies of scope by using the actual measurement value and estimation value farming performance statistics for 4 years of case farms. This farmhouse conducted nutrient cycling in the farm like self-manufacturing and injecting organic agricultural byproduct and wild grass as organic livestock feed and fermenting organic livestock manure to organic compost to return it 100%. The results can be summarized as follows: According to the result of cycling farming of combining and producing organic agriculture and organic livestock, economies of scope were found to be realized in this case farmhouse. That is, although not strong, EOS>0, there were economies of scope. The measurement value appeared as 0.0722, 0.00378, 0.04667 and 0.13127 in 2012, 2013, 2014 and 2015, respectively. It was improved as time passes and the scale gets smaller. Therefore, in order to further improve economies of scope, there should be measures of reducing duplication costs between agriculture-livestock as low as possible and lowering the production cost of organic feed. That is, there is a need for the management strategy to adjust the import function and cost function according to the change in management paradigm and cropping system.

The Relationship between Visual Analogue Scale and R(III) Nociceptive Flexion Reflex (Visual Analogue Scale과 R(III) Nociceptive Flexion Reflex와의 상관관계)

  • Kim, Yong-Ik;Kim, Sang-Hyun;Lee, Ju-Chul;Jeon, Jae-Soo;Hwang, Kyung-Ho;Park, Wook
    • The Korean Journal of Pain
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    • v.13 no.2
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    • pp.175-181
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    • 2000
  • Background: Pain is often measured using psychophysical scaling techniques. However, all of these methods found their limits, since they were based on the subjective sensations reported by the subjects. It is, therefore, desirable to validate psychophysical pain measures by simultaneously measuring some physiological correlate of nociception. We studied an objective method for measuring pain in human volunteer using R(III) nociceptive flexion reflex. Methods: Four different intensity of electrical stimuli between perception and 1.4 times the R(III) nociceptive flexion threshold were delivered to the sole of the feet in 8 normal volunteers. We measured the flexion reflex activity in the skin over the ipsilateral tibialis anterior muscle and subjects rated each stimulus on a visual analog scale (VAS) Results: Both R(III) nociceptive flexion reflex activity and VAS ratings showed a linear relationship with stimulus intensity and with each other in all volunteers. Conclusions: R(III) nociceptive flexion reflex elicited through electrical stimulation may used as an objective pain measurement, previsionary based on our study paradigm.

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A Study on the Tactile Inspection Planning for OMM based on Turning STEP-NC information (ISO14649) (Turning STEP-NC(ISO14649) 정보를 기반한 접촉식 OMM(On-Machine Measurement) Inspection planning에 대한 연구)

  • IM CHOONG-IL
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 2003.05a
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    • pp.208-216
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    • 2003
  • ISO 14649 (data model for STEP-NC) is a new interface scheme or language for CAD-CAM-CNC chain under established by ISO TC184 SCI. Up to this point, the new language is mainly made for milling and turning, and other processes such as EDM will be completed in the future. Upon completion, it will be used as the international standard language for e-manufacturing paradigm by replacing the old machine-level language, so called M&G code used since 1950's. With the rich information contents included in the new language, various intelligent functions can be made by the CNC as the CNC knows what-to-make and how-to-make. In particular, On-Machine Inspection required for quality assurance in the machine level, can be done based on the information of feature­based tolerance graph. Previously, On-Machine inspection has been investigated mainly for milling operation, and only a few researches were made for turning operation without addressing the data model. In this thesis, we present a feature-based on-machine inspection process by the 4 Tasks: 1) proposing a new schema for STEP-NC data model, 2) converting the conventional tolerance scheme into that of STEP-NC, 3) modifying the tolerance graph such that the tolerance can be effectively measured by the touch probe on the machine, and 4) generating collision-free tool path for actual measurement. Task 1 is required for the incorporation of the presented method in the ISO 14649, whose current version does not much include the detailed schema for tolerance. Based on the presented schema, the tolerance represented in the conventional drafting can be changed to that of STEP-NC (Task 2). A special emphasis was given to Task 3 to make the represented tolerance accurately measurable by the touch probe on the machine even if the part setup is changed. Finally, Task 4 is converting the result of Task into the motion of touch probe. The developed schema and algorithms were illustrated by several examples including that of ISO 14649 Part 12.

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A Development of Tentative Measuring items of Korean Corporate Symbolic Image using brand personality (브랜드 개성 항목을 활용한 한국 기업의 상징적 이미지 측정 도구 시안 개발)

  • Oh, Ju-Yeon;Kim, Young-Kyun
    • Journal of Korea Society of Industrial Information Systems
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    • v.17 no.3
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    • pp.83-94
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    • 2012
  • This study was designed to identify and develop the measurement items of symbolic image (personality) of most preferred Korean companies in adaptation of prior research of brand personality. From the common factor analysis, factors were extracted to five dimensions: Sincerity, Competence, Affection, Excitement, and Sophistication. In this survey, we collected data from the 558 respondents and performed a structural equation model using AMOS 16.0. The result of the confirmatory factor analysis indicated that the measurement model of Korean corporate symbolic image could be effectively used to envision the personality of Korean companies with similar context of brand personality research. Furthermore, this empirical study showed interesting results. One of unique Korean emotions, affection factor, was derived from this research as well and it is also proven that the Korean-corporate symbolic image could be used to measure the corporate personality and it should be continuously reinterpreted with deviation of socio-cultural changes rather than adhering to standardized paradigm.

Current Status of Korean Fashion Design Sensibility Evaluation Methods and Their Application Overseas (국내 패션디자인 감성평가 연구방법의 현황과 해외 적용 방안에 대한 연구)

  • An, Hyosun;Lee, Inseong
    • Journal of the Korean Society of Clothing and Textiles
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    • v.40 no.4
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    • pp.660-668
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    • 2016
  • In the $21^{st}$ century of digital information society, design is changing from an analog era that focuses on logical and rational knowledge to a new paradigm of an era focused on sensible communications that can react fast. Design becomes to fulfill sensible needs; moreover, full efforts are being made in the academic research of sensibility evaluation for the conceptualization, quantization, and visualization of design sensibilities based on the measurement and evaluation of sensibility. This study provides insight into a sensibility evaluation method to understand the global user's sensibility in the fashion design field. As for research methods, first, measurement methods of physical, psychological, and physiological reactions to design sensibility were examined through written research on sensibility evaluation in both domestic and overseas research. Next, studies on sensibility during the past 15 years from 2000 to 2014 in the field of domestic fashion design were analyzed to grasp research trends in sensibility evaluation methods; subsequently, suitable sensibility evaluation methods for current fashion design were discussed. As a result of the study, it was shown that most sensibility evaluation studies in the field of domestic fashion design are based on surveys using sensibility terms. However, it requires the process of translating among different terms in different lingual cultures and within the limits of a uniformed evaluation. In this regard, recent cases of overseas design studies have been applying new methods to measure physiological reactions such as eye tracking methods combined with IT. The analysis of multilateral sensibility evaluation methods in this study have significant meaning for use as basic data to establish a planning for an evaluation scale to measure the sensibility of global consumers towards modern fashion design more quantitatively.

Evaluation of Spray Flight Attitude for Agricultural Roll-balanced Helicopter using Kalman Filter (칼만필터를 이용한 농용 균평헬리콥터의 살포비행자세 평가)

  • Park, Hee Jin;Koo, Young Mo
    • Journal of Biosystems Engineering
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    • v.37 no.6
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    • pp.342-351
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    • 2012
  • Purpose: Aerial spraying with an agricultural unmanned helicopter became a new paradigm in the agricultural practice. Laterally tilting behavior of a conventional agricultural helicopter, resulting in the biased down-wash and uneven spray deposit is a physically intrinsic phenomenon while hovering and cruise flights. Authors studied and developed a roll-balanced agricultural helicopter with a raised pylon tail rotor system. In this study, the attitude of the roll-balanced helicopter was determined using the Kalman filter algorithm, and the quality of roll balancing of a bare-airframe helicopter was evaluated. Methods: Instantaneous attitudes were estimated using the advantage of gyroscope, followed by the long term correction and prediction using accelerometer data for the advantage of convergence. The attitudes of the fuselage were calculated by applying the Kalman filter algorithm. The spraying maneuver of the helicopter was performed at a field of 50 m long, and the attitude data were acquired and evaluated. Results: The determination of attitude using the inertial measurement unit(IMU) and Kalman filter was reliable and practical. The intrinsic attitude of the developed helicopter was stable and roll-balanced. The deviation of roll angle was ${\pm}6.3^{\circ}$ with an average of $0^{\circ}$, referring to roll-balanced. Conclusions: Handling quality of the roll attitude determined to be steadily balanced. The balancing behavior of the developed helicopter would result in an even spray pattern during aerial application.

Attitude Estimation of Agricultural Unmanned Helicopters using Inertial Measurement Sensors (관성센서를 이용한 농용 무인 헬리콥터의 자세 추정)

  • Bae, Yeonghwan;Oh, Minseok;Koo, Young Mo
    • Current Research on Agriculture and Life Sciences
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    • v.32 no.3
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    • pp.159-163
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    • 2014
  • Agricultural unmanned helicopters have become a new paradigm for aerial application. Yet, such agricultural helicopters require easy and affordable attitude control systems. Therefore, this study presents an affordable attitude measurement system using a DCM (direction cosine matrix) algorithm that would be applied to agricultural unmanned helicopters. An IMU using a low-cost MEMS and an algorithm to estimate the attitude of the helicopter were applied in a gimbals structure to evaluate the accuracy of the attitude measurements. The estimation errors in the attitude were determined in comparison with the true angles determined by absolute position encoders. The DCM algorithm and sensors showed an accuracy of about 1.1% for the roll and pitch angle estimation. However, the accuracy of the yaw angle estimation at 3.7% was relatively larger. Such errors may be due to the magnetic field of the stepping motor and encoder system. Notwithstanding, since the intrinsic behavior of the agricultural helicopter remains steady, the determination of attitude would be reliable and practical.

A Study on the Standard Requirements of the Tabernacle's Representation Drawings through Architectural Analysis (건축학적(建築學的) 해석(解析)에 의한 성막건축(聖幕建築)의 재현설계(再現設計) 기준설정(基準說定)에 관한 연구(硏究))

  • Oh, Tae-Joo;Lee, Sang-Ho
    • Korean Institute of Interior Design Journal
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    • v.16 no.1 s.60
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    • pp.108-118
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    • 2007
  • The tabernacle architecture is the paradigm of the new testaments and the modern church, and has been from the temples to synagogues, the Old Testaments to the New Testaments, and from present to future. Nevertheless, research on the Tabernacles has never been studied architecturally but has only been researched Biblically or partially. This would be because people interested in the tabernacle lack in architectural knowledge, and architects would be limited theologically. Furthermore, the start of church architecture until now was the architecture of the Roman-court style and the Greece Temple as the exterior, such as the Basilica, a non-Christian, strangely styled piece of architecture, which was seen as the basis of the church architectural style, which is a great mistake, due to the effect of modern architectural educational system with the central figure of humanism and western styled architecture. The measurement and the pattern of the Tabernacle architecture were not recorded in the Bible in order to produce the shape of the Tabernacle. The 'Architecture of God' was designed for the very first time on Earth so that He could dwell among His people.

Building River Information System using Electromagnetic River Measurement Devices (전자기파 기반의 하천계측기기를 활용한 다차원 하천정보화시스템 구축방안)

  • Kim, Dong-Su;Kang, Boo-Sik
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.12 no.1
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    • pp.507-512
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    • 2011
  • Recently, various new devices have been introduced, which are capable of quickly measuring river hydrodynamic and morphologic features in the very broad riverine area. These devices are changing paradigm of understanding river characteristics in terms of data-driven aspect rather than the conventional numerical modeling approaches based on the limited field observations. This paper demonstrates the representative features and applications of the several recent riverine devices such as ADCP, LSPIV, MBES and ABL. In addition, the paper introduces an example of river information system that incorporates and relates such two- and three-dimensional hydrodynamic and morphologic data on top of geographic information system, where their spatio-temporal variations are also able to be tracked.

Quality Attribute Classification of Service Elements in Business Incubation Center (창업보육센터의 주요 서비스 요소에 대한 품질속성 분류)

  • Kim, Soung-Hyun;Jeon, Young-Rok
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.37 no.3
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    • pp.75-81
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    • 2014
  • To establish a new creative economy, the worldwide efforts have been made to wriggle out the old economic paradigm after the financial crisis of 2008. When it comes to the limitation of the viability. the start up companies have a high risk of failure. Therefore business incubator (BI) should carry out the role to improve their viability. As for the maximization of the effect on the business incubating services as move in companies, it is important for BI to increase the level of business incubating services by the systemic and scientific measurement. This study showed that the quality of the BI center services was measured by Kano analysis and the previous research as follows. First, BI quality attribute by Timko's customer satisfaction came out into the attractive qualities on the 14 items that amount to the 70% of 20 business incubating services items. It is desirable to perform the strategy for the satisfaction. Secondly, basic business incubating services were interpreted as the one-dimensional quality like incubating spaces, parking facilities, security facilities, industry technology development funds, and incubating managers. Finally, training and educational service was recognized as indifferent quality. Futhermore, the improvement and the limitation of this study as well as the interpretation of analysis results are also provided.