• 한국정보통신학회논문지
• /
• 제16권7호
• /
• pp.1416-1427
• /
• 2012

본 논문에서는 생존 가능한 선박 백본 네트워크의 설계 기법을 제안하였다. 제안한 설계 기법에서 선박 백본 네트워크의 토폴로지를 근사 최적으로 구성하기 위하여 먼저 선박 장치의 통신 인터페이스와 링크가 이중화로 구성된 선박 백본 네트워크의 효율적인 구조를 분석 및 제안하였다. 그리고 제안한 선박 백본 네트워크의 구조를 고려한 정수선형계획법 기반 물리 토폴로지의 구성 방안을 제안하였다. 마지막으로 메타 휴리스틱 기법을 적용하여 물리 토폴로지 계층 위에서 형성되는 논리 토폴로지의 구성 방안을 제안하였다.

• 한국디지털건축인테리어학회논문집
• /
• 제12권4호
• /
• pp.67-75
• /
• 2012

The damage of greenhouse has been increasing due to frequent collapse of frame in greenhouse caused by the heavy snow and strong wind. But, greenhouses are constructed by steel tube members of pipe style and pin connection of them, so these greenhouses are very weak. Therefore, this study was carried out to find the type of member section and structural frame system in stress tolerant greenhouses. The modeling types for analysis were designed in accordance with structural frame configuration and member section in greenhouse. These types of models, which are existing type, diagrid type, symmetric and asymmetric section type of frame member in greenhouse were classified. Displacement analysis varying the vertical and horizontal loads for a series of models was carried out. As a result of this paper, it was verified that the structural frame configuration of diagrid type and asymmetric type of member section is better than existing type in the frame of greenhouses against snow loads and wind loads.

• 한국디지털건축인테리어학회논문집
• /
• 제10권1호
• /
• pp.57-63
• /
• 2010

This study examines the correlations of crime-prone locations with the urban space configuration in residential district. CPTED(Crime Prevention Through Environmental Design) is applied to this study and it is intended to control the architectural environment in order to restrain criminal activities. For this reason, an objective analysis for explaining the spatial characteristics of the places where the crimes have occurred is more important than statistical and descriptive approach for analyzing the criminal data. Visibility graph analysis (VGA) supports the CPTED theory in this study for objective interpretation of crime-prone locations and quantitative analysis for built environment. The comparative analysis on object streets and areas are used and the results are followings. The analysis by streets showed that street crimes are correlated with connectivity, control, integration, and integration(r=3) and burglary cases are correlated with control. The analysis by areas showed that street crimes are correlated with connectivity and integration. The T-tests results of crime area and whole area showed that street crimes are correlated with integration and burglary cases have negative correlation with connectivity. Several localized environmental design for crime prevention are also proposed on the basis of this study.

• 국제초고층학회논문집
• /
• 제5권2호
• /
• pp.95-103
• /
• 2016

One of the key problems in the design of high-rise commercial complex is how to guide reasonable pedestrian distribution in commercial space. In this study, pedestrian distribution in three high-rise commercial complexes in Shanghai and Hong Kong was studied using spatial configuration analysis software Space Syntax and quantification of physical elements in commercial spaces, such as functional attractiveness, entrances, escalators, level variations and passage width. Additionally, in an attempt to integrate functions with spatial integration and spatial depth, two combination variables, the spatial coefficient of function (IF) and spatial depth coefficient of function (F/D), were proposed. The results of the correlation analysis and multiple regression analyses reflected the following: (1) Regarding the influence on pedestrian distribution, there was a synergistic and complementary relationship between function and space; (2) The comprehensive flow distribution analytic model could successfully interpret flow distribution in high-rise commercial complexes and its R Square ranged up to about 70% in the three cases; (3) The spatial coefficient of function (IF) and spatial depth coefficient (F/D) could effectively integrate functions and spatial configuration, which could help close the gap between over-emphasis on function in commercial research and the lack of consideration of function in space-syntax analysis.

• 한국농촌건축학회논문집
• /
• 제10권2호
• /
• pp.71-78
• /
• 2008

It is true that the social welfare center influences on the community service. The recent change of social environment has influence on the configuration of space for the community social welfare center. The social welfare center fills the role of family welfare, domiciliary care, community welfare, education culture etc. Education culture magnified, and it is acting role as the community education culture center by various program including cultural desire according to the modern request to the whole local resident. In such sense, this study explore the conditions of spatial configuration for the education culture unit of social welfare center in small city. For this study, it was investigated the space role and service funtion, the service program, the usage characteristics, the service importance. In sum, the useful data were collected, analyzed, and colligated by case study. Case study and analysis contents about education culture unit of social welfare center present the basic design data for the space plan of suitable social welfare center in small city.

• 한국해양공학회지
• /
• 제36권2호
• /
• pp.132-142
• /
• 2022

We investigate the performance of multi-body wave energy converters (WECs). This investigation considers multiple scattering of water waves by the buoys of a WEC under the generalized mode approach. Predominantly, the effect of a WEC's configuration on its energy extraction is studied in this research. First, single-row terminator and single-column attenuator arrays of vertical cylinders have been studied. The performance of these attenuator arrays shows that the wall effect induced by the periodic buoys influences the wave propagation and energy extraction in these WECs. Further studies show that a single-row terminator array of vertical cylinders performs better than the corresponding single-column attenuator array. Subsequently, multi-row terminator arrays of vertical cylinders are investigated by conducting a parametric study. This parametric study shows that the hydrodynamic property of three resonance phenomena makes energy extraction efficiency drop down, and the magnitude of energy extracted oscillates between the resonance points in these WECs. Finally, a 4×8 terminator array of vertical cylinders is studied to determine the effect of various d_x (x-directional distance between adjacent rows) within this WEC on its performance. In particular, this study enforces at least two equal d_x values within the 4×8 terminator array of vertical cylinders. It shows that a small value of this d_x leads to better energy extraction efficiency in some of these various d_x arrays than that of a corresponding regular array with the same d_x.

• 한국디지털건축인테리어학회논문집
• /
• 제13권3호
• /
• pp.41-49
• /
• 2013

According to the ROK 2010 census, representatives living arrangement are changing from 4 people per household to 2 people. Increasing number of elderly household and single household, the variety of lifestyles there has been a type of family structure. In this study, 1) through a precedent study review and case analysis to deduct representative group of lifestyle of Korean household. 2) Proposing spatial configuration according to the preferred lifestyle. 3) Deducting residential U-services from which specified from "Ubiquitous City Construction Project Operation Guide (2009)" of the korean Ministry of Land, Transport and Maritime Affairs. 4) Deduct highly expected U-service by each of lifestyle. As a result, spatial configuration and U-Services are proposed by changes of lifestyle which is based on ROK 2010 census.

• 대한전자공학회:학술대회논문집
• /
• 대한전자공학회 1999년도 추계종합학술대회 논문집
• /
• pp.368-371
• /
• 1999

In this paper, we propose a neural network processor architecture with on-chip learning and with reconfigurability according to the data dependencies of the algorithm applied. For the neural network model applied, the proposed architecture can be configured into either SIMD or SRA(Systolic Ring Array) without my changing of on-chip configuration so as to obtain a high throughput. However, changing of system configuration can be controlled by user program. To process activation function, which needs amount of cycles to get its value, we design it by using PWL(Piece-Wise Linear) function approximation method. This unit has only single latency and the processing ability of non-linear function such as sigmoid gaussian function etc. And we verified the processing mechanism with EBP(Error Back-Propagation) model.

• Journal of Ship and Ocean Technology
• /
• 제5권3호
• /
• pp.27-35
• /
• 2001

In this research, hybrid method with case-based reasoning and rule-based reasoning is applied. Using case-based reasoning, design experts'experience and know-how are effectively represented in order to obtain a proper configuration of midship section in the initial ship design stage. Since there is not sufficient domain knowledge available to us, traditional case-adaptation algorithms cannot be applied to our problem, i.e., creating the configuration of midship section. Thus, new case-adaptation algorithms not requiring any domain knowledge are developed antral applied to our problem. Using the knowledge representation of DnV rules, rule-based reasoning can perform deductive inference in order to obtain the scantling of midship section efficiently. The results from the case-based reasoning and the rule-based reasoning are examined by comparing the results with various conventional methods. And the reasonability of our results is verified by comparing the results wish actual values from parent ship.

• 한국컴퓨터정보학회:학술대회논문집
• /
• 한국컴퓨터정보학회 2014년도 제49차 동계학술대회논문집 22권1호
• /
• pp.1-4
• /
• 2014

Although physical modeling synthesis is becoming more and more efficient in rich and natural high-quality sound synthesis, its high computational complexity limits its use in portable devices. This constraint motivated research of single-instruction multiple-data many-core architectures that support the tremendous amount of computations by exploiting massive parallelism inherent in physical modeling synthesis. Since no general consensus has been reached which grain sizes of many-core processors and memories provide the most efficient operation for sound synthesis, design space exploration is conducted for seven processing element (PE) configurations. To find an optimal PE configuration, each PE configuration is evaluated in terms of execution time, area and energy efficiencies. Experimental results show that all PE configurations are satisfied with the system requirements to be implemented in portable devices.