• The Journal of The Korea Institute of Intelligent Transport Systems
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• v.8 no.6
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• pp.173-179
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• 2009

Recently, the super capacitor(EDLC) which has drawn attention as a new energy storage element has a lot of advantage such as no maintenance, long lifetime and quick charge/discharge characteristics with large current. The objective of this paper is propose a parameter measurement method to detect the changes in equivalent series resistor (ESR) and the capacitance value of a super capacitor in order to analysis the internal characteristic and worn-out state of a super capacitor. For proposed method, only the capacitor voltage measurement using simple analog switch is required. In addition, experimental results of voltage sag compensation system in order to compensate the input voltage drop during short-term power interruption adopted super capacitor are presented.

• KSII Transactions on Internet and Information Systems (TIIS)
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• v.16 no.9
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• pp.2882-2903
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• 2022

Image super-resolution (SR) processing is of great value in the fields of digital image processing, intelligent security, film and television production and so on. This paper proposed a densely connected deep learning network based on cascade architecture, which can be used to solve the problem of super-resolution in the field of image quality enhancement. We proposed a more efficient residual scaling dense block (RSDB) and the multi-channel cascade architecture to realize more efficient feature reuse. Also we proposed a hybrid loss function based on L₁ error and L_∞ error to achieve better L_∞ error performance. The experimental results show that the overall performance of the network is effectively improved on cascade architecture and residual scaling. Compared with the residual dense net (RDN), the PSNR / SSIM of the new method is improved by 2.24% / 1.44% respectively, and the L_∞ performance is improved by 3.64%. It shows that the cascade connection and residual scaling method can effectively realize feature reuse, improving the residual convergence speed and learning efficiency of our network. The L_∞ performance is improved by 11.09% with only a minimal loses of 1.14% / 0.60% on PSNR / SSIM performance after adopting the new loss function. That is to say, the L_∞ performance can be improved greatly on the new loss function with a minor loss of PSNR / SSIM performance, which is of great value in L_∞ error sensitive tasks.

• Journal of the Korea Society for Simulation
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• v.15 no.1
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• pp.59-67
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• 2006

In this paper, we propose an effective use of SuperSQL for efficient media publication that utilizes relational databases. SuperSQL is an enhanced SQL processing system that converts data stored in relational databases into a variety or applied formats, such as XML and HTML, as a result or query. In order to integrate various media generators in SuperSQL query processor, we discuss methods to prepare both for new media promptly and for efficient media publication processing system. This research makes two main contributions: (1) it is a study about methods to integrate media generators by combining common processes in SuperSQL query processor, and (2) it introduces the trinity data model, which divide the media generating processes into three aspects, which are value, structure and medium abstraction. We also show the good performance and feasibility of our system.

• Journal of Practical Engineering Education
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• v.14 no.3
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• pp.609-615
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• 2022

This study aims to investigate the relationship between quality of life, activities of daily living, and depression among Korean super-aged women. In this study, the 7th (2018) data of the Korean Longitudinal Study of Aging (KLoSA) were used. The participants in this study were 363 super-aged women. The mean age was 88.67 years old. Quality of life was significantly related with Activities of daily living (ADL) (r = .34, p < .001), and depression (r = -.47, p < .001). The analysis of the hypothesized model showed a good fit to the data except for the χ² value (χ² = 38.8, df = 11, p < .001, CFI = .98, TLI = .96, RMSEA = 0.08). The hypothesized model explained 34% of the variance in super-aged women. The activities of daily living of elderly women had an indirect effect on quality of life via depression. Very old women with a high level of ADL were more likely to be feeling less depression, and elderly people who had less depression were likely to have a better quality of life. The findings thus highlight prevailing depression and activities of daily living as critical foci for clinical management strategies in super-aged women.

• International Journal of Naval Architecture and Ocean Engineering
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• v.2 no.1
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• pp.39-44
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• 2010

Recently underwater systems moving at high speed such as a super-cavitating torpedo have been studied for their practical advantage of the dramatic drag reduction. In this study we are focusing our attention on super-cavitating flows around axisymmetric cavitators. A numerical method based on inviscid flow is developed and the results for several shapes of the cavitator are presented. First using a potential based boundary element method, we find the shape of the cavtiator yielding a sufficiently large enough cavity to surround the body. Second, numerical predictions of supercavity are validated by comparing, with experimental observations carried out in a high speed cavitation tunnel at Chungnam National University (CNU CT).

• Journal of Korea Multimedia Society
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• v.20 no.7
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• pp.1148-1155
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• 2017

This study examined the storytelling characteristics of the super-compressed web drama "72 seconds". By analyzing all seasonal episodes of "72 seconds" and applying the various storytelling methodologies and related theories, this paper derived the main storytelling characteristics of "72 seconds" as follows. First, through the composition of the microscopic non-plot, the story value of empathy and fun is maximized, even though there is no dramatic composition compared to the general movie or drama. Second, by the specialization of everyday life, it leads to the transition from everyday experience to the new context. In other words, it provides a consensus through the cognitive expansion and interest by unfamiliarity of the ordinary experience to the audience. Third, based on the characteristics of super-compression and short theme, it utilizes fully stylistic narration like rapping. This makes the audience feel novel and further enhances the branding effect of content. And finally, based on various hybridity and variation, it uses remediation actively in all respects, especially comedy genre and comic factor.

• International conference on construction engineering and project management
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• 2009.05a
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• pp.573-578
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• 2009

Previous research on super high rise buildings focused mostly on the use of public space from building plan perspective, survey of residents' satisfaction evaluation, construction technology and structural technology. But little research is done on the economic analysis of landmark factors. The purpose of this study is to find landmark factors that can be quantitatively measured, collect data on super high rise residential buildings in Seoul. Find the intrinsic values of the landmarks, and analyze how these values differ in areas with different densities, i.e. in 3 Gangnam-gus & Yeongdeungpo-gu and in other areas. It is expected that the results of this study can be used to set an appropriate price of super high rise building in consideration of its landmark value in different area

• Journal of Aquaculture
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• v.7 no.3
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• pp.135-150
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• 1994

For the effective seedling production of the sweetfish, Plecoglossus altivelis, dietary value of live food in the growth and survival rate of the larvae was examined. To investigate dietary value of three types of rotifers (L-type, S-type, Us-type rotifer) for the sweetfish larvae, the larvae were fed with alone or mixed with each type and with mixtures of two or three types. Although the survival rates of the larvae fed different types of rotifers were not significantly different among them, the larvae fed a mixture of three types of rotifers showed the highest growth significantly. A feeding trial was conducted to determine the effect of the dietary values of rotifer and Artemia nauplius enriched with Chlorella ellipsoidea, $\omega-yeast$, spray-dried Spirulina platensis, and Super Selco for the sweetfish larvae. The dietary values of rotifer and Artemia nauplius enriched with Super Selco mixed with spray-dried S. platens is were distinctly improved for the survival rate and growth of the larvae. With regard to effect of the green water with Chlorella ellipsoidea, spray-dried Spirulina platensis, and the addition of photosynthetic bacteria (Rhodopseudomonas capsulatus), the green water with Spirulina platens is mixed with photosynthetic bacteria also enhanced the growth and survival rate of the larvae.

• 한국태양에너지학회:학술대회논문집
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• 2009.11a
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• pp.205-210
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• 2009

Generally, the building's windows and ventilation for the purpose of mining and the vista and windows by emotional engineering design area is a growing trend. According to the flow of energy is lost from the building, will be achieved through the walls and roof and windows. Among these, the window through the loss of about 45% of the entire building is big enough to rate. In addition, the building regulation U-value Limitation of window is $3.3W/m^2$ K in southern regions, while U-value Limitation of wall is $0.35{\sim}0.58W/m^2$ K. It means that the energy loss through windows is six times more than it through wall. Therefore, the purpose of this study is to evaluate the environmental performance of the super window system by verification experiment. The results of this study are as follows; 1)Thermal performance of insulated Super Window measured as $1.44W/m^2$ $^{\circ}C$ 2)Required energy for heating was cut down about 5.3% from 266.99 $MJ/m^2$ yr to 252.85 $MJ/m^2$ yr 3)Super Window's reduction rates increased 4.1% from 31.48% to 35.58% when it is compared to normal windows. 4)Building energy efficiency rating elevated from 2nd rating to 1st rating.

• Restorative Dentistry and Endodontics
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• v.16 no.2
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• pp.189-196
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• 1991

The purpose of this study was to observe the inital acidity of zinc phosphate cements(Confit and Super Cem), poly carboxylate cement(Unident and Poly F), zinc oxide engenol cement(Stailine Super EBA) and g1ass ionomer cement(Fuji ionomer) Each cement was manuplated in accordance with each manufacturer's direction. All cements were mixed at the room temperature of $23^{\circ}{\pm}$, $5^{\circ}C$, and the electrode of pH meter(Ionanalyzer) was inserted in the mixed cement, and the acidity of cement were measured for 20 minutes from begining of cement mixing at $23^{\circ}C$ and $37^{\circ}C$ Results were as follows 1. The acidity of all cements ranges from pH 3, 5 to 4, 5 at 2 minutes after the start of mixing 2. The value of pH at $23^{\circ}C$ was higher than the value of pH at $37^{\circ}C$ in all cements. 3. As the time elapsed, the pH in all cements rose. The 20 minutes after the start of mixing the range of acidity was from pH 5 to pH 6 except Poly F. 4. In polycarboxylate cement, the different value of acidity at $23^{\circ}C$ and $37^{\circ}C$ was greatest. 5. The curve pattern of acidity in Unident was similar to that in Poly F cement The pH value of Unident was higher then that of Poly F, and value of pH in the curve pattern of acidity in Confit were similar to those in Super cement.