• Title/Summary/Keyword: Design expert system

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The Design Elements for the Model Development of New-Hanok Type Service Facilities in Apartment Housing - Focused on the Genetic factors of Korean Traditional Architecture -

  • Park, Joon-Young;Kwon, Hyuck-Sam;Bae, Kang-Won
    • KIEAE Journal
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    • v.15 no.3
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    • pp.29-36
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    • 2015
  • Purpose: This study is as only basic research for the model Development of the New-Hanok Type Service Facilities in Apartment Housing, which is as a decisive factor used as a planning element for developing the model inherited tradition, There aimed at extracting the genetic factor of Korea's traditional architecture. Method: For this purpose, Consider the concept and regulations of the New-Hanok Type Service Facilities in Apartment Housing and examined the Domestic Application Status of the New-Hanok Type Service Facilities in Apartment Housing. It sets direction of the New-Hanok Type models development based on Expert advice and the literature, and was reviewed a primal reason system of Korea as an extraction base of genetic factors. Result: Then Through the framework of the vertical axis (the form), the horizontal axis (space), It extracted the genetic factors of the Korea Traditional Architecture, classified the genetic factors extracted as the structure(layout, construction, space), features, traditional beauty, investigated the content of the form representation and spatial meaning, and were characterized. Based on the result, It were comprehensive the genetic factors extracted as plan Elements for inheriting of the traditions.

Path Planning of Autonomous Guided Vehicle Using fuzzy Control & Genetic Algorithm (유전자 알고리즘과 퍼지 제어를 적용한 자율운송장치의 경로 계획)

  • Kim, Yong-Gug;Lee, Yun-Bae
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.4 no.2
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    • pp.397-406
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    • 2000
  • Genetic algorithm is used as a means of search, optimization md machine learning, its structure is simple but it is applied to various areas. And it is about an active and effective controller which can flexibly prepare for changeable circumstances. For this study, research about an action base system evolving by itself is also being considered. There is to have a problem that depended entirely on heuristic knowledge of expert forming membership function and control rule for fuzzy controller design. In this paper, for forming the fuzzy control to perform self-organization, we tuned the membership function to the most optimal using a genetic algorithm(GA) and improved the control efficiency by the self-correction and generation of control rules.

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Knowledge Management Assessment Using PDCA based in Global and Local Standards: in the Case of Technics and Informatics Studies

  • Ruzicic, Vesna S.;Micic, Zivadin M.
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.14 no.5
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    • pp.2022-2042
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    • 2020
  • This research aims to contribute to the discipline of knowledge management (KM) in Higher Education (HE), and is conducted using the case of the study programme (SP) for Integrated Academic Studies (IAS) of Technics and Informatics (TI). A deduction-induction methodology is applied, using a Plan-Do-Check-Act (PDCA) approach to design a suitable KM concept for making improvements to the SP IAS TI on the standardisation platform. Based on the application of the International Classification of Standards (ICS), the research analyses the correlations and competences acquired during the courses within the accredited TI study programme of two-course studies. On the basis of the results of a comparative analysis of the developmental learning process and educational goals, it is shown that knowledge management in correlation with standardisation leads to the improvement of study programmes in the upcoming accreditation cycle on the standardisation platform. Frequent innovations within standardised thematic fields (daily, weekly, monthly, etc.) indicate the need for appropriate changes to the SP. The contribution to KM is through an original analysis of annual samples of more than 90,000 standardised sources in correlation with the TI study programme. Expert System (ES) modelling and the original results enable an analogous contribution to the future KM of other SPs.

Optimal Design Method of Quantization of Membership Function and Rule Base of Fuzzy Logic Controller using the Genetic Algorithm (유전자 알고리즘을 이용한 퍼지논리 제어기 소속함수의 양자화와 제어규칙의 최적 설계방식)

  • Chung Sung-Boo
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.9 no.3
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    • pp.676-683
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    • 2005
  • In this paper, we proposed a method that optimal values of fuzzy control rule base and quantization of membership function are searched by genetic algorithm. Proposed method searched the optimal values of membership function and control rules using genetic algorithm by off-line. Then fuzzy controller operates using these values by on-line. Proposed fuzzy control system is optimized the control rule base and membership function by genetic algorithm without expert's knowledge. We investigated proposed method through simulation and experiment using DC motor and one link manipulator, and confirmed the following usefulness.

Development of ISI UT Auto Flaw Evaluation and Acceptance Module of Nuclear Power Plants (원전 ISI UT 자동 결함평가 및 판정 모듈 개발)

  • Park, Ik-Keun;Park, Un-Su;Kim, Hyun-Mook;Kim, Chung-Seok;Um, Byong-Guk;Lee, Jong-Po
    • Proceedings of the KSME Conference
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    • 2000.11a
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    • pp.212-218
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    • 2000
  • The importance and role of pre-/in-service inspection(PSI/ISI) for nuclear power plant(NPP) components are intimately related to plant design, safety, reliability, operation, etc. In this paper, for an effective and efficient management of large amounts of PSI/ISI data in NPPs, an intelligent database program(WS-IDPIN) for PSI/ISI data management of NPP was developed. WS-IDPIN program enables the prompt extraction of previously conducted PSI/ISI conditions and results so that the time-consuming data management, painstaking data processing and analysis in the past are avoided. Furthermore, development of ISI UT auto flaw evaluation and acceptance module based on ASME Code Sec. XI were presented. This module can be used for any angle beam examination from flat plate to spherical shapes as selected by the proper azimuthal angle. This program can be further developed as a unique PSI/ISI data management expert system.

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Review of Economic Evaluation Studies for Drug Reimbursement Decision (의약품 보험급여 결정을 위한 경제성평가 연구의 평가)

  • Choi Sang-Eun;Sullivan Sean D.
    • Health Policy and Management
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    • v.15 no.4
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    • pp.1-25
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    • 2005
  • Legislation on pharmaceutical reimbursement decision using economic evaluation results was made in Korea in fm, but has yet to be fully implemented. We evaluated the quality of Korean economic evaluation studies of pharmaceuticals to understand gaps between legislation and implementation. From this evaluation, we propose policy options that might strengthen the research Infrastructure In order to support such studies. We reviewed 23 published studies for drugs conducted between 1996 and 2004. Evaluation criteria included methodological characteristics, healthcare system characteristics, population characteristics, and applicability of results. Large variation in study quality was observed, particularly with study design, outcome data, treatment patterns and interpretation. Korean clinical data used was mostly from observational studies of 1-2 hospitals. Foreign data was extracted from clinical trials that did not Include Asian population and their selection criterion was not clarified. With respect to treatment patterns, medical records and hospital bills were used without adjustment regarding area, hospital type, and others. And next frequent situation relied on expert opinion from academic physicians in specialty practice. preference measures, when used, were not elicited from the Korean population. $78.3\%$ of studies did not clarify the funding source. If the Korean economic evaluation policy is to provide meaningful data for decision makers, the quality of cost-effectiveness studies will need to improve dramatically. This may involve access to or creation of better data, more diverse funding, unproved training of researchers and evaluators, and partnerships with technology manufacturers.

Bustier Pattern Design and Wearing Test for Small Breasted Women (빈약 유방 여성용 뷔스티에 패턴설계 및 착의 평가)

  • Yi, Kyong-Hwa;Choi, Hyunok
    • Journal of Fashion Business
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    • v.21 no.5
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    • pp.109-121
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    • 2017
  • In this study, we proposed the Bustier which improves the fit and functionality to compensate the physical defects by maximizing the volume up effect using the breast detailed measurements and shapes of the poor breast female subjects. Based on the preliminary study of the problem and preference according to the characteristics of the poor breast women consumers, we produced 1/2 volume mold cups based on the previous research. Respectively. A total of 5 subjects were selected, and new 3 bustier patterns based on the pattern making system of industry were created through direct measurement and shapes. As a result of verifying the usability of the developed bustier by testing the commercially available bustiers and the newly developed bustiers for 5 subjects. In order to compare the existing bustiers with the newly developed bustiers, the appearance evaluation by the expert, the evaluation of the adaptability and satisfaction by the subjects were utilized. Through this experiment, the newly developed bustiers were superior in the evaluation of the motion adaptability and wear comfort as well as appearance test. It was shown that the wear effect of the bustier with the longest back length was the best.

The Experimental Study on the Development of Estimation Technique for the Mix Proportion of Hardened Concrete (경화 콘크리트의 배합비 추정기법 개발에 관한 실험적 연구)

  • 이준구;박광수;김석열;김명원;김관호;박미현
    • Proceedings of the Korea Concrete Institute Conference
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    • 2000.10b
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    • pp.961-966
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    • 2000
  • It is difficult to change or remedy concrete structure after hardened. It is usual to evaluate the quality of hardened concrete using several test method. This study was performed to make fundamental data that could be used to evaluate the quality of hardened concrete. This study is to estimate mix proportion of hardened concrete. Each elements of concrete needed different estimation methods. First, the cement that handled by the most important compounds measured by XRF(X-ray fluorecence) machine with scanning Ca-K${\alpha}$. Second, the coarse aggregate that divided by maximum size measured by the area comparison method that starts from the assumption of uniform distribution. Third, the fine aggregate measured by the weight comparison method that needs several prerequsite constants which concerned cement hydration reaction. Fourth, the water content would be estimated by expert system that has data base of design data, the contents of above estimation results, the characteristics of concrete strength. As the result of the above research, some conclusions are as follows. The cement estimation method resulted by reliability of mean 96.7%, standard deviation 3.92. The area comparison method resulted by reliability of mean 95.3%, standard deviation 2.08. The weight comparison method resulted by reliability of mean 93.3%, standard deviation 3.35.

A Dynamic Model of the Human Lower Extremity (하지의 동역학 모델)

  • Choi, Gi-Young;Son, Kwon;Jung, Min-Geun
    • Proceedings of the ESK Conference
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    • 1993.04a
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    • pp.1-9
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    • 1993
  • A human gait study is required for the biomechanical design of running shoes. A tow-dimensional dynamic model was developed in order to analyze lower extremity kinematics and loadings at the right ankle, knee, and hip joints. The dynamic model consists of three segments, the upper leg, the lower leg, and the foot. Each segment was assumed to be a rigid body with one or two frictionless hinge joints. The lower extremity motion was assumed to be planar in the sagittal plane. A young male subject was involved in the gait test and his anthropometric data were measured for the calculation of segement mass and moment of inertia. The experimental data were obtained from three trials of walking at 1.2m/s. The foot-floor reaction data were measured from a Kistler force plate. The kinematic data were acquired using a three-dimensional motion measurement system (Expert Vision) with six markers, five of which were placed on the right lower extremity segments and the rest one was attached to the force plate. Based on the model and experimental data for the stance phase of the right foot, the calculated vertical forces reached up to 492, 540, and 561 N at the hip, knee, ankle joints, respectively. The flexion-extension moments reached up to 155, 119, and 33 Nm in magnitude at the corresponding joints.

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Development of Simplified Building Energy Simulation Program for Building Energy Performance Analysis (건물에너지 성능 분석을 위한 간이 건물에너지 시뮬레이션 프로그램 개발에 관한 연구)

  • Park, Jong-Il;Kang, Yoon-Suk;Ihm, Pyeong-Chan
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.21 no.1
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    • pp.9-15
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    • 2009
  • There are various types of energy simulation tool to predict both thermal load and energy use. However, the problem about these software is that they have too much input variables and need expert with skills to run the simulation. Therefore, the purpose of this study is to develop the thermal analysis simulation program with input variables which eliminates coordinates of building components instead of using full coordinates by using DOE2. Since the simulation engine of the program is DOE2, the validity of S-DOE is performed by comparing peak heating and cooling load results with VisualDOE and annual energy use results with actual energy use of 1996. The results have shown that there are little difference between VisualDOE and S-DOE. Also it showed that there are little difference between actual energy use and S-DOE energy use results. S-DOE took less time to model a building than VisualDOE. These results reveals that the application of S-DOE have potentials in accurately predicting both energy load and energy use of the building and still have an advantage of taking less time to model a building.