• Transactions of the Korean Society of Mechanical Engineers A
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• v.25 no.8
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• pp.1235-1241
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• 2001

An engineering estimation equation for the crack opening displacement(COD) is proposed for a complex cracked pipe, based on the reference stress approach. To define the reference stress, a simple plastic limit load analysis for the complex cracked pipe subjected to combined bending and tension is performed considering the crack closure effect in the compressive-stressed region. Comparison with ten published test data and the results from existing method shows that the present method not only reduces non-conservatism associated with the existing method, but also provides consistent and overall satisfactory results.

• Journal of Mechanical Science and Technology
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• v.18 no.7
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• pp.1131-1139
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• 2004

A new impedance controller is proposed for bilateral teleoperation under a time delay. The proposed controller does not need to measure or estimate the time delay in the communication channel using the force loop-back. In designing a stable impedance controller, absolute stability is used as a stability analysis tool, which results in a less conservative controller than the passivity concept. Moreover, in order to remove the conservatism associated with the assumption of infinite port impedances, the boundaries of human and environment impedance are set to finite values. Based on this, this paper proposes a parameter design procedure for stable impedance controllers. The validity of the proposed control scheme is demonstrated by experiments with a 1-dof master/slave system.

• Proceedings of the KAIS Fall Conference
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• 2011.12a
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• pp.227-230
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• 2011

In this research, new conceptual model is being established to advocate a hypothesis during the hands-on to guarantee an effectiveness of the training with a scientific procedures and techniques under the management of KCTC training system. From this, current requirements of facilitator's qualifications and technical standards can be correspond with educate and their individual characteristics. Establishing education model basis will increase facilitator's training and conservatism in the representative KCTC training operative as the actual fight; contribute to effective training procedures. Like this model, it can be flexibly applied to the units in armies' actual training in circumstantial situations other than KCTC training; also can be applicable in many quarters.

• Journal of the Korean Society of Costume
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• v.53 no.3
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• pp.13-31
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• 2003

The purpose of this study is to analyze the formative style and aesthetic value of contemporary subcultural style with the understanding of characteristics of subcultural style in the sociocultural context. As for the research methodology, literary survey has been performed to study the concept and the history of subcultural styles from 1940s to 1980s. In addition, demonstrative studies on aesthetic images have been carried out through the analysis of pictures and photographs in order to categorize the subcultural styles since 1990s. In this study, subcultural styles since 1990s have been illustrated through the socio-cultural grounds. which are diversity of street culture, diffusion of moss culture or bubble-up phenomenon, pursuit of anti-social ideology among intellectual heads, club Cultures in the form of kitsch and pastiche and communal thinking as collective harmony. With the socio-cultural context examined above, subcultural styles in the contemporary fashion are categorized and deduced following aesthetic values ; Drag and Club style as the tendency of surrealists or artificial hedonists, Urban military style and Cyberpunks as pursuit of Bionic being, Sports casual style based upon, the pursuit of comfort and freedom, Vintage style and Retro dressing represented by the spirit of DIY (no It Yourself), Ecology style of New conservatives, and Mysticism style as the fusion of technology and shamanism (Technoshamanism).

• Korean journal of communication and information
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• v.18
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• pp.7-36
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• 2002

This study is concerned with analysing complexity, flexibility and dynamism of social discoursive space. The developmental process of social discourse is analogous to that of a spatial structure of social discourse. Post-capitalist society has seen New-Liberalism and New-Conservatism have become dominant, resulting in the deterioration of the cultural politics of citizenship. It is argued that the position of otherness, in which those binary structures (inside/outside or centre/margin) collide and collapse, is where subversive discourse can emerge to dominant discursive power. Furthermore, it is necessary to democratize social discursive space, through which the Other becomes able to. participate in the social production, distribution and consumption of social discourse.

• Nuclear Engineering and Technology
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• v.38 no.3
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• pp.277-284
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• 2006

In order to ensure the structural integrity of nuclear welded structures during design life, the fatigue life has to be evaluated by fatigue analysis procedures presented in technical codes such as ASME B&PV Code Section III. However, existing fatigue analysis procedures do not explicitly consider the presence of welded joints. A new fatigue analysis procedure based on a structural stress/fracture mechanics approach has been recently developed in order to reduce conservatism by erasing uncertainty in the analysis procedure. A recent review of fatigue crack growth data under various mean loading conditions using the structural stress/fracture mechanics approach, does not consider the mean loading effect, revealed some significant discrepancies in fatigue crack growth curves according to the mean loading conditions. In this paper, we propose the use of the stress intensity factor range ${\Delta}K$ characterized with loading ratio R effects in terms of the structural stress. We demonstrate the effectiveness in characterizing fatigue crack growth and S-N behavior using the well-known data. It was identified that the S-N data under high mean loading could be consolidated in a master S-N curve for welded joints.

• Transactions of the Korean Society of Mechanical Engineers A
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• v.30 no.5 s.248
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• pp.520-527
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• 2006

The design of major industrial facilities for the prevention of fatigue failure is customarily done by defining a set of transients and performing a calculation of cumulative usage factor. However, sometimes, the inherent conservatism or lack of details as well as unanticipated transients in old plant may cause maintenance problems. Even though several famous on-line monitoring and diagnosis systems have been developed world-widely, in this paper, a new system fur fatigue monitoring and life evaluation of crane is proposed to reduce customizing effort and purchasing cost. With regard to the system, at first, comprehensive operating transient data has been acquired at critical locations of crane. The real-time data were classified, by using adaptive resonance theory that is one of typical artificial neural network, into representative stress groups. Then the each classified stress pattern was mapped to calculated cumulative usage factor in accordance with ASME procedure. Thereby, promising results were obtained fur the crane and it is believed that the developed system can be applicable to other major facilities extensively.

• Journal of the Institute of Electronics Engineers of Korea CI
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• v.37 no.5
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• pp.11-18
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• 2000

In this paper, we propose a new condition to test the quadratic stability of fuzzy control systems. The Proposed one enlarges the class of fuzzy control systems whose stability is ensured by representing the interactions among the fuzzy subsystems in a single power matrix and solving it by LMI (linear matrix inequality). Compared with the previous methods, the proposed one relaxes the stability condition to release the conservatism. Finally, the relationship between the suggested condition and the conventional well-known stability conditions reported in the previous literatures is discussed and it is shown in a rigorous manner that the proposed one includes the conventional conditions.

• Journal of Fashion Business
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• v.24 no.1
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• pp.43-59
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• 2020

The purpose of this study is to examine the design of Paul Smith based on characteristics of the Britishness. Britishness formed according to the national character to encompass the lifestyles and traits of individual people through a shared natural environment and historic experiences within the national boundaries of the U.K., amid current global trends toward gigantic single market. In every season, Paul Smith is presenting various authentic tailored suits, reflecting the empirical positivism, characterized by traditional conservatism through contemporary reinterpretation, characteristic individualism through a reproduction of the sub-culture, optimistic naturalism through fabric and printing on the basis of the Britishness. This study analyzed the characteristics of the Paul Smith brand distinguished through its unique highlights of strong symbolism of the well-balanced U.K., with very individualistic and innovative ideas presenting basic and methodical research of Britishness. Additionally, the results of this study are expected to facilitate in establishing the identity of the fashion brand and exploring its direction, and it will also provide a crucial basis to seek the methods to express the identity of Korean culture in this era of globalization, setting a new course for the fashion industry.

• Journal of the Korea Fashion and Costume Design Association
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• v.15 no.3
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• pp.69-83
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• 2013

Clothes show not just the different social status of people, but the ideology and value of former society through pattern, colour, materials, shapes, etc. The purpose of this article is to fill the academic blank of this part by researching the pattern of fabric design in Jing Pai(Beiing style) and Hai Pai(Shanghai style) cheong-sam during the period of the Republic of China. The contrastive analysis of regional pattern between Jing Pai and Hai Pai cheong-sam expect to provide the theoretical basis for the former fashion designers and scholars. There are three approaches in the article: Data collection method, comparison method and Combining theory with practice method as film. Regarding components of pattern, both Jing Pai and Hai Pai cheong-sam have mostly single or composite pattern like plants. Further the most of Jing Pai cheong-sam pattern is traditional flower pattern. But Haipai cheong-sam patterns have some western flower pattern. Beside that, it have some geometry pattern. Regarding arrangement of the pattern, both cheong-sams have scattered dot style, the border style, and pictures style. But continuous type of Jing Pai cheong-sam is less while Hai Pai cheong-sam is the most. Comparing Jing Pai cheong-sam color of patterns in "Moment in Peking" is unadorned and types are simple as chinese traditional clothes; However, "In the Mood for Love" introduces us various material colors, new types of patterns and extraneous characteristic geometry patterns of Hai Pai cheong-sam. Generally speaking, the main characteristic of Jing Pai cheong-sam is traditional and conservatism. It keeps Chinese traditional pattern and culture to the most extent. However, Hai Pai cheong-sam are confluent and open with absorbed external culture and techniques which are endowed new artistic color.