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Automated Assessment System for Train Simulators

  • Schmitz, Marcus;Maag, Christian
    • International Journal of Railway
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    • v.2 no.2
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    • pp.50-59
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    • 2009
  • Numerous train operating companies provide training by means of driving simulators. A detailed analysis in the course of the rail research project 2TRAIN has shown that the simulation technology, the purposes of training and the overall concept of simulator-based training are rather diverse (Schmitz & Maag, 2008). A joint factor however are weak assessment capabilities and the fact that the simulator training is often not embedded into the overall competence management. This fact hinders an optimal use of the simulators. Therefore, 2TRAIN aims at the development of enhanced training and assessment tools. Taking into account that several simulators are already in use, the focus lays on the extension of existing simulation technology instead of developing entirely new systems. This extension comprises (1) a common data simulation interface (CDSI), (2) a rule-based expert system (ExSys), (3) a virtual instructor (VI), and (4) an _assessment database (AssDB). The foundation of this technical development is an assessment concept (PERMA concept) that is based on performance markers. The first part of the paper presents this assessment concept and a process model for the two major steps of driver performance assessment, i.e. (1) the specification of exercise and assessment and (2) the assessment algorithm and execution of the assessment. The second part describes the rationale and the functionalities of the simulator add-on tools. Finally, recommendations for further technical improvement and appropriate usage are given. based on the results of a pilot study.

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A Study on the Spatial and Temporal Disjunctive Composition in the movie 'Kill Bill part 1/2' (영화 '킬빌(Kill Bill 1/2)'의 이접(異接)적인 시/공간 구성 연구)

  • Joh, Hahn
    • Korean Institute of Interior Design Journal
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    • v.21 no.4
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    • pp.57-67
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    • 2012
  • The goal of this research is to study the spatial and temporal disjunctive composition of the movie 'Kill Bill part 1/2' and to lay a foundation for the future exploration of the topological relationship between contemporary architecture and cinema based upon the spatial and temporal multiplicity. Since the birth of cinema in early 20 century, architecture and cinema have a dynamic interdisciplinary relationship as Soviet director and theorist Sergei Eisenstein has called the Acropolis of Athens as 'one of the most ancient films' based upon its cinematic spatial sequence, and contemporary architect and theorist Bernard Tschumi has adopted cinematic montage technique to create his own disjunctive event-structure. As french philosopher Gilles Deleuze has traced the cinematic version of his 'disjunctive synthesis' from Eisentein's 'dialectic montage', Deleuzian 'disjunctive synthesis' can be discovered not only from the work and theory of Bernard Tschumi and Rem Koolhaas, but also from the 'Kill Bill's disjunctive composition where the heterogeneous spatial images and temporal images are under continuous interaction to create rhizomatic relationship between the cinema and viewers.

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A Study on the Development of the Wine Cabinet Design (와인 장식장 디자인 개발에 관한 연구)

  • Kang, Shin-Woo;Kim, Sang-Kwon
    • Journal of the Korea Furniture Society
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    • v.20 no.1
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    • pp.42-51
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    • 2009
  • As wine culture becomes popular among the people in modem society, the consumption of wine has increased due to the need to enjoy wine at home. Nonetheless, the development of wine cabinet has not made much progress. In order to compensate such matter, a wine cabinet that satisfies the taste of new generation as well as the need demanded in the modem living space is transcended its simple and solemn image embedded in wooden colored form, which is often found in existing products. First of all, the definition, kind, bottles, and glasses of wine are examined and then a cabinet is developed depending on the design process. The body of the wine cabinet is finished with black lacquer after attaching ash-patterned veneer on MDF and the front plate of the drawer is finished with the colors displayed in Mondrian's painting on MDF. The upper part is designed to store wine glasses and below the wine rack is the space for wine storage considering the overall shape. The storage at the lower part is equipped with drawers of different sizes to emphasize practicability. In conclusion, such a unique design is believed to introduce the importance of design to the domestic furniture market being a foundation for the furniture industry.

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A Study on the Fisheries Financing of the Late Yi Dynasty (한말의 수산금융에 관한 연구)

  • 김경호
    • The Journal of Fisheries Business Administration
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    • v.13 no.2
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    • pp.31-48
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    • 1982
  • Though modern banking organs were established in Korea with the Kanghwa Treaty as a momentum, the benefit of financing at that time, which was mainly given to merchants and industrialists and traders, was extremely limited to the fishermen. The fishermen who were out of favor with the benefit of financing of modern banking organs were forced to rely on high interest loans, a category of usury capital, issued by the middlemen (the Kaekju) who lent them the deficit of their necessary funds. The fact was that in the field of fisheries the middlemen who issued usury capital played the leading part in fisheries financing of the Late Yi Dynasty. The middlemen, however, sqeezed a part or all of surplus products and on occasion even necessary products out of the fishermen by means of outward compulsion of economy. Moreover they put the fishermen further in trouble by putting-out system. In order to keep on with the production of aquatic products, the fishermen with little capital and no property established the antinomic rotations with the middlemen whose disadvantageous terms they were inevitably to accept. Thus the middlemen who did business with the fishermen exercised their authority over them, securing a strong activity foundation in the field of fisheries. But the traditional form of the Kaekiu was transformed and gradually declined in the field of fisheries according as the market rules were proclaimed in 1914.

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The Efficient Archival Arrangement and Management (아카이브의 효율적인 운영과 정리에 관한 연구)

  • Lee Hee-Jae
    • Journal of the Korean Society for Library and Information Science
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    • v.38 no.4
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    • pp.231-249
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    • 2004
  • To develope a scheme of an efficient archival arrangement and management, this study, through the methodology in France which named 'archives' for the first time and produce the best qualified archivistes every year from ENC(Ecole Nationales des Charles) , has started the problem of the adjustment of terminology which must be basically established, the foundation and history of archives, and their kinds and characteristics in the view of periods, contents and materials. After, for the core of an efficient archival arrangement and management, the study goes on theoretical and practical sides : educational courses for archival studies in part, appraisal, selection and collection, arrangement, communication and valorization of archives in other part.

The Characteristics for Seepage Behaviour of Soil Structure by Modeling Tests (모형실험에 의한 토공구조물의 침투거동특성)

  • 신방웅;강종범
    • Journal of the Korean Society of Safety
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    • v.14 no.4
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    • pp.158-167
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    • 1999
  • In parallel flow condition, to estimate the stability of the extended embankment constructed on a permeable foundation ground, a laboratory model test was performed due to extended materials and water level increasing velocity of a flood period. A laboratory model test was peformed for different permeability coefficients ($K_1=2.0{\times}10^{-5}cm/sec,\;K_2=1.5{\times}10^{-4}cm/sec,\;K_3=2.3{\times}10^{-3}cm/sec$) using seepage. The fluctuation of water level occurring to an extended embankment was analyzed by laboratory model tests as vary the increasing velocity of water level with 0.6cm/min, 1.2cm/min, 2.4cm/min respectively. In analysis results, the increase of water level into embankment occurs rapidly because seepage water moving along with a permeable soil flow into embankment. The larger the permeability coefficient of an extended part is the longer initial seepage distance, and the exit point of downstream slope is gradually increased and then shows unstable seepage behavior as occurring partial collapse. As the increasing velocity of water level increase, the initial seepage line is formed low, and the discharge increases. Therefore, the embankment extended by a lower permeable soil than existing embankment shows stable seepage behavior because an existing embankment plays a role as filter for an extended part.

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A Study on the Danger of Play Apparatus in Elementary School- Case study of CHONJU City- (초등학교 놀이시설의 위험성에 관한 연구 -전주시를 중심으로-)

  • 신상섭;장정백
    • Journal of the Korean Institute of Landscape Architecture
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    • v.24 no.1
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    • pp.1-14
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    • 1996
  • The purpose of this study was an analysis of the elementary school child's attitude and dangerous factors of play apparatuses n elementary schools. The results were summarized as follows; 1. 53.0% of the reply child thought that play apparatuses were dangerous, and 41.0% of the total reply had experienced accidents by apparatuses, the child under 10 had experienced the accidents manytimes. 2. The types of injuries most frequently occurred are falls from play apparatuses, and part of the body most frequently injured parts of the body are arms and legs. 3. The danger of fall in play apparatuses that is over 3M amounted 19.6%, it asked safety of bottom materials. 4. Destructed play apparatuses reached up to 20.0%, and rusted or decomposed apparatuses reached to 28.4%. 5. The distance of each apparatus were very close ; it was within 0.3~1.5M, which was 24.9%, it was very dangerous factor. 6. The most frequent hazards of educational play apparatuses are ; - inappropriate size of apparatuses(height, gap, thick etc.)- inappropriate shape and finished state(bad welding and cutting, projection part etc.)- unsuitable use of bottom material in playground and safety color.- insufficient use zone.-inappropriate maintenance and inspection(endurance passage, erosin of iron-ware and wooden ware, projection of foundation concrete)

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A Study on the Characteristic of the Light in Louis I. Kahn's Architectural Space (루이스 칸 건축공간의 빛의 특성 고찰)

  • Lim Ho-Kyun
    • Korean Institute of Interior Design Journal
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    • v.14 no.5 s.52
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    • pp.114-122
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    • 2005
  • A study of light in Kahn's architecture must be significance as a work in building new architectural space and a new foundation for architecture, as well as clarification of the uniqueness of Kahn's architectural space and search for its significance. In addition, the study provides a greater comprehension of an the concept of Kahn's architecture by clarifying the degree of association of light into other concepts of architecture. Therefore, this study attempts to examine Louis I. Kahn's statement, sketch and work. His sketch along with the characteristics of the technique how to present it also enables comprehension of other aspects of architecture as a means to revive architecture. Khan's use of light enabled the evolution of primarily two types 'specular surface' and 'unique opening part' by associating them with the need to diminish glaringness. Each of these types has been evolved individually and is indicative of a concept of light that can be largely divided into ' object's light ' and ' space's light ' Object's light refers to a type in which the formative significance of structural part and different directions of light coexist, and its formative characteristics play a role that differentiate places within space. Space's light is present on wall spaces that limit space and exhibits its distinguished role differentiating places within space in the form of 'expression'.

A comparative study on the spatial hierarchy by the form of the basestone in ancient architecture between Baekje, Silla and Japan (고대 백제.신라.일본의 초석 형태에 따른 공간위계 비교연구)

  • Han, Wook
    • Korean Institute of Interior Design Journal
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    • v.17 no.6
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    • pp.3-10
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    • 2008
  • The basestone is a kind of foundation part of the building and can be said to deliver the loads from the upper part to ground. It is the explanation of structural role for the basestone. But the basestone has been used as the decorative element in a building. So this study is on design of the basestone. First the type division can be studied as form of the basestones. Also the investigation of development aspect of them needs to as times and the spatial characteristics. Another goal of this study is on the design characteristics of the basestone from the comparison to the basestone in ancient Japan was initiated in the architectural technology from Korea. The results are as follows. In Baekje rectangular basestones were used in static space for ceremony and circular ones were used in dynamic space for life. Also the basestones with joojwa(smoothing surface for sitting on column) were used for accessory buildings rather than main. In Silla the same type of basestone was made in a temple but according to hierarchy of buildings the sizes of them seem to have been different. The other side in Japan carved basestones were for the main buildings and for the accessory natural stones were used to. According to the hierarchy of the buildings the kinds of stones were different.

Ultimate strength of initially deflected plate under longitudinal compression: Part I = An advanced empirical formulation

  • Kim, Do Kyun;Poh, Bee Yee;Lee, Jia Rong;Paik, Jeom Kee
    • Structural Engineering and Mechanics
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    • v.68 no.2
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    • pp.247-259
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    • 2018
  • In this study (Part I), an advanced empirical formulation was proposed to predict the ultimate strength of initially deflected steel plate subjected to longitudinal compression. An advanced empirical formulation was proposed by adopting Initial Deflection Index (IDI) concept for plate element which is a function of plate slenderness ratio (${\beta}$) and coefficient of initial deflection. In case of initial deflection, buckling mode shape, which is mostly assumed type in the ships and offshore industry, was adopted. For the numerical simulation by ANSYS nonlinear finite element method (NLFEM), with a total of seven hundred 700 plate scenarios, including the combination of one hundred (100) cases of plate slenderness ratios with seven (7) representative initial deflection coefficients, were selected based on obtained probability density distributions of plate element from collected commercial ships. The obtained empirical formulation showed good agreement ($R^2=0.99$) with numerical simulation results. The obtained outcome with proposed procedure will be very useful in predicting the ultimate strength performance of plate element subjected to longitudinal compression.