• IEMEK Journal of Embedded Systems and Applications
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• v.7 no.5
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• pp.241-246
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• 2012

As the convergence between the conventional physical systems and IT computing resource is increased, the new paradigm of embedded system called Cyber Physical System (CPS) emerged. CPSs have many sensors, actuators and computing devices to understand and to control the physical system. As these all components are tightly coupled each other, standardized middleware such as Data Distribution Service (DDS) is considered to be deployed. But DDS takes too long time to discover each other in the large-scal CPS environment and has not precise specification of its execution architecture to provide efficient data exchange. In this paper, we design the efficient DDS architecture for development with interoperability to provide the high reliable data distribution. in real-time and propose the communication entity discovery procedure.

• Journal of the Korean housing association
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• v.10 no.4
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• pp.11-21
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• 1999

The purpose of this study is to analyze the interrelation of architectural composition and type of windows and doors in Korean traditional architecture. Windows and doors type, in Korean traditional architecture, is one of the important element which used to playa great role in building's physical fasade, so that used to subjected the building as a whole. In this study, the investigations on the totally 88 Korean Buddhist Temples are made, and the analysis are made according to the physical size of buildings (length and height of JUGAN), composition of JUGAN, and existence of RUGAK. The result of this study indicates that there are outstanding typical differences of traditional windows and doors in advance to variation in the physical size of building, though there are numerous interrelation between typical differences of traditional windows and doors and composition of building as a whole.

• The Journal of Natural Sciences
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• v.15 no.1
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• pp.111-125
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• 2005

This study aims at reconsidering the spacial structure and suggesting guidelines for campus planning and design with spatial reference to the Campus of PaiChai university, area $208,499m^2$, Taejon. This study is mainly based on user's behavior and physical traces and questionnaire survey. User's behavior and physical traces were carefully observed by 20 students of dept. of landscape architecture at each alloted zone, 6 zones in Campus. Questionnaire survey, consisted of user attitudes, use satisfaction factors and personal items was carried out to 320 persons. As a result, the item of 'rest' shows the highest mean and the item of 'chatting' and 'meeting' follows to utilization purpose. The length of stay is generally 30minute to 1hour. The factor analysis, on the object of 32 items except 4 item, appeared 8 factors: visual elements, activity, vehicle, plants, practicality of street furniture, bench, spacial use and shade.

• Journal of The Korean Digital Architecture Interior Association
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• v.6 no.2
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• pp.55-63
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• 2006

The purpose of this study is to analyze the problems in assumption of the distinguished behaviors of hospitalized dementia patients- which can be easily emerged and recognized in senile dementia patients and their distinctive behavior characters in different physical environment per person. Furthermore, it is to suggest a fundamental data to improve physical environment of the different facilities and the design guidelines for reconstruction in terms of the new and therapeutic function of the dementia specialized department. For planning on the dementia specialized hospital, considerablely, security and safety, comfortableness, personal identification of the facility, emotional stability and the proper stimulation for the patients are emphasized according to the research on the frequent and major issues of the patients from their own dwelling place.

• Proceedings of the Korean Society of Computer Information Conference
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• 2014.01a
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• pp.1-4
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• 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.

• Journal of the Korean Institute of Landscape Architecture
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• v.25 no.2
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• pp.94-103
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• 1997

The purpose of this study is to find out the effects of brick paved under-surface soil physical properties which are changed by fixed trampling. Thus, a sandy loam which is known as a profitable soil for plants is used an experimental soil to study the changes of the soil physical properties. It is related to sand bed's thickness & particle size which are settled by experimental variable factors. According to the variation of sand bed's particle size, bulk density and soil hardness at natural dryed soilcondition result in 0.075~2.00mm>2.00~5.00mm>2.00~8.00mm>5.00~8.00mm, and water content at natural dryed soil condition are observed being insensible change rate from the point that sand thickness is 30~40mm and more sand bed's thickness constructed by the variation of sand bed's thickness.

• KSII Transactions on Internet and Information Systems (TIIS)
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• v.13 no.8
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• pp.4270-4284
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• 2019

This study presents a reference model (RM) and the architecture of a cognitive health advisor (CHA) that integrates information with ambient intelligence. By controlling the information using the CHA platform, the reference model can provide various ambient intelligent solutions to a user. Herein, a novel approach to a CHA RM based on evolutional cyber-physical systems is proposed. The objective of the CHA RM is to improve personal health by managing data integration from many devices as well as conduct a new feedback cycle, which includes training and consulting to improve quality of life. The RM can provide an overview of the basis for implementing concrete software architectures. The proposed RM provides a standardized clarification for developers and service designers in the design and implementation process. The CHA RM provides a new approach to developing a digital healthcare model that includes integrated systems, subsystems, and components. New features for chatbots and feedback functions set the position of the conversational interface system to improve human health by integrating information, analytics, and decisions and feedback as an advisor on the CHA platform.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.33 no.12
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• pp.85-92
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• 2017

The purpose of this research is to provide a basic framework of design guideline for elderly people who can live without inconvenience. It is time to think about how to create an age-friendly city for the Korean society which is rapidly advancing in population aging. Design guidelines studied in this research cover not only architecture but also urban, landscape and transportation fields, and consist of 90 items in 7 areas (park&open space, buildings, pedestrian street, crosswalk&bicycle lane, bus stop&subway station, parking housing). The importance of each item and each area were surveyed to verify objectivity. The result of importance of each item can be used to select design guidelines which can be applied first to create an aged-friendly physical environment.

• Journal of the Korean Institute of Landscape Architecture
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• v.44 no.5
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• pp.68-80
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• 2016

This study analyzed the influence of the perception of physical environment on user satisfaction and park use when people use the park to improve their health. The study is focused on neighborhood parks in Suseong-gu, Daegu city. Statistical analyses were employed to data collected from 143 visitors on site. First of all, in the perception evaluation of the physical environment of the park, accessibility and pedestrian environment are the highest at 4.04, while water space and attractions in the park as the lowest parts are at 2.32 and 2.66. After conduct factor analysis to type 22 physical environmental awareness components, five main factors--Comfort, Availability, Amenity, Facilities convenience and Visuality--were classified. Then, satisfaction and influence on park use were analyzed. As a result, the factors affecting user satisfaction were comfort, availability, amenity and facility convenience. Among them, the category of amenity was the most influential factor at 0.315. The factors affecting the park use were availability and amenity. Availability factor had a higher influence at 0.396 than amenity at 0.293. Therefore, in order to improve satisfaction and park use for health improvement, it is necessary to secure sufficient green areas and create a pleasant environment. Also, it is necessary to improve the quality of walkability from homes to parks, trail improvement and other improvements.

• Journal of the Korean Institute of Landscape Architecture
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• v.27 no.5
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• pp.138-149
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• 2000

The purpose of this study is to evaluate Suwon stream naturalness Index(S.N.I). and tofind out stats, problems and opportunities of the Suwon stream by assessment standard. Assessment standard is mainly based on physical structure of stream environment. the purpose evaluating sectors and elements are physical form and structure restoration of stream. To find out assessment standard of stream naturalness index, conceptual frame of assessment standard has been established, for which four sections, for example, longitudinal section, lateral section, stream bottom structure and water environment, have been selected. Overall stream naturalness index of the Suwon stream has been distributed at 3rd to 4th grade, and 3.3 of assessment index and mode were 3rd grade respectively. stream naturalness index of each section was as follows: Longitudinal section accounted for 3.7in average to be 4th grade, lateral section did 3.8 to be 4th grade, and water environment did 2.4 to be 2nd grade. Analysis of assessment outcome of stream naturalness index has checked status, problems and opportunities of corresponding stream. Assessment of stream naturalness index of the study provides useful information for restoration of close-to-nature stream, and furthermore has its meaning in checking problems and opportunities of Suwon stream.