• Archives of design research
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• v.11 no.1
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• pp.73-80
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• 1998

Recently, the importance of cultural design has been increasing due to the globalization. However the cultural design is mainly focusing on the shape or color stereotype of different cultures, ignoring another important aspects of cultural design: the way of peoples' interacting with product. The study aims to develop usability test program for cultural user-interface design that operates in the world wide web. The study begins with discussing the nature of culture through defining culture and reviewing the depth and variables of culture. Based on the findings the structure of the usability testing program on the WWW design methods is identified. The usability testing program on the WWW comprises of five different modules: module for identifying users' demographic characteristics, module for cultural variables, module for population stereotype, module for usability testing, and module for data storage and analysis. Finally findings are summarized and further research prospects are outlined.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.22 no.3
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• pp.557-567
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• 2018

There are currently various file encryption solutions for encrypting and storing files on disk. However, the existing file encryption solutions handle encryption and decryption all at once by file or directory. In this paper, we propose a system call supporting partial encryption function of the file. The user sets the encryption information with the system call interface at a portion where encryption of the file data is desired. And then the user writes file data, the data is encrypted and stored. Also if the user sets decryption information and reads the file data, the necessary part is decrypted by applying the set information. For the proposed system call, It consists of inspection module, management module, encryption module, decryption module, and HMAC module as per required system call. And it was implemented on the Linux environment. Also the operation of implemented system call was verified on the development board, and the performance was analyzed by measuring performance speed.

• Journal of the Institute of Electronics and Information Engineers
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• v.53 no.2
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• pp.109-116
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• 2016

Sensing module of standing and moving human body using shutter method was developed. The module consists of Fresnel lens, pyroelectric infrared (PIR) sensor, interface circuit of the PIR, micro control unit(MCU), and alarm light emitting diode(LED). The principle for standing human body is chopping the thermal of human body using camera shutter. The human sensing signal in MCU by algorithm of interrupt function is detected. By unifying an apparatus and print circuit board(PCB), the developed module can be replaced as commercial moving human body detector. Experiment results show that sensing distance is about 7.0m and sensing angles is about $110^{\circ}$ at room temperature. In these condition, sending ratio was 100% and the power dissipation of the module was 100mW.

• Korean Journal of Cognitive Science
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• v.3 no.2
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• pp.291-309
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• 1992

The computer manipulation by means of natural language prcessing will be not only helpful to use the computer with more simple and more comfortable but also flexiable to communicate between human and computers.In this paper the natural language interfaces will be applied to an intelligent geography tutoring systems(IGTS),and we will inspect the something to consider in the case of its implementation.Each module of IGTS is connected to the interface module and correspondence with each other for the sake of natural conversation between system and learner.

• The KIPS Transactions:PartC
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• v.16C no.6
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• pp.747-752
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• 2009

The AUTOSAR(AUTOmotive Open System ARchitecture) is an open software platform for automotive. The AUTOSAR contains the modules of FlexRay that is the next generation automotive network protocol. We have developed the modules including FlexRay State Manager, FlexRay Transport, FlexRay Interface, FlexRay Transceiver Driver and FlexRay Driver based on the standard of the module. This thesis presented not only the result of development but the result of design and implementation. And the developed modules were ported to the microcontroller board and verified.

• Proceedings of the Computational Structural Engineering Institute Conference
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• 2008.04a
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• pp.265-268
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• 2008

With application of IT convergence technique in AEC industry, it is currently conducted the research on the virtual construction system. This paper aims at the pilot study on the structural design based on BIM used in collaboration environment. The work scope of structural design includes the structural analysis model, structural detail model and analytic model and we focuse the research on the interoperability among them. It is partly utilized the transfer module supplied by software developer and partly developed here the interface module through API. This paper shows the interoperability process to pilot test and indicates the problems occurred in interface.

• Journal of The Korean Astronomical Society
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• v.35 no.4
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• pp.221-227
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• 2002

Cassegrain interface module (CIM) of the fiber-fed high resolution echelle spectrograph has been designed and manufactured for the 1.8 m reflector at the Bohynsan Optical Astronomy Observatory. We also constructed a long slit spectrograph attached to this CIM, which would replace the earlier rather inefficient medium dispersion spectrometer. We present detailed description for design and manufacturing concepts of the CIM which consists of a slit assembly, slit monitoring system, calibration lamp system and a long slit spectrograph, in order to provide how the overall system and each part. are constructed. The preliminary performance test carried out so far seems to indicate a successful result.

• Proceedings of the Korean Society for Emotion and Sensibility Conference
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• 2001.05a
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• pp.42-47
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• 2001

가상현실 기술은 이제 컴퓨터가 생성한 환경과 사용자간의 자유로운 상호작용을 수행할 수 있도록 하는 것이 중요하게 되었다. 이러한 상호작용을 위해서는 시각 제시기뿐만 아니라 사용자가 가상환경에서 물리적인 힘을 느낄 수 있도록 하는 것이 중요하다. 본 논문은 가상환경에서 사용자에게 운동감을 제시할 수 있는 기기들의 소프트웨어적인 아키텍처를 제안하고, 또한 이러한 기기들을 연결하는 데 있어서 가상환경과 통합될 수 있도록 가상환경 서보와 힘 피드백 제시기간의 통신규약을 제시한다.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 1993.10a
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• pp.411-416
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• 1993

In order to achieve computer-oriented control and automation of manufacturing processec, a distributed NC (DNC_) system was developed for FMS under the Windows environment. The DNC system consists of conventional DNC, PMC interface and tool management modules. Real-time system conditon monitoring and control fuctions required for machine tools and machining processes were accomplished by developing a PMC interface module called MMC board. Tool condition monitoring and management was performed by the developed tool management module composed of a tool setting probe and softwares. Performance of the DNC system was confirmed on the horizontal and the vertical type machining center equipped with FANUC OMC for the large amount of experiments.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 1996.04a
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• pp.100-103
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• 1996

Presented in this study is an algorithmic procedure to obtain polyhedral model from a compound surface. The compound surface in this study denotes a collection of trimmed surfaces without topological relations. The procedure consists of two main modules: CAD data interface, and surface conversion to polyhedral model. The interface module gets geometric information from CAD databases, and makes topological information by scanning the geometric information. We are investigating CATIA system as a data source system. In the surface conversion module, a shell(compound surface with topological information) is approximated to a triangular-faceted polyhedral surface model through node sampling and triangulation steps. The obtained polyhedral model should obey the vertex-to-vertex rule and meet tolerance requirements. Since the polyhedral model has a simple data structure and geometry processing for it is very efficient and robust, the polyhedral model can be used in various applications, such as surface rendering in computer graphics, FEM model for engineering analysis, CAPP for surface machining, data generation for SLA, and NC tool path generation.