• Journal of the Korean Institute of Rural Architecture
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• v.19 no.1
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• pp.43-50
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• 2017

This paper presents improvement of consumer's access and convenience to Farmers Market(Local Food Shop). We analyzed case studies and proposed plans of Local Food Shop and related facilities. The results are described below. Thorough pre-education and public relations with extensive support for agricultural products in the area and external support are necessary. Most importantly, the consuming population was close. These factors were the factors of success. Tourists' visit is effective. Consumer distance should be within 10km. Long distance tourists need a way to attract tourists on weekends. It is an advantage that there are many consumers. And it would be nice to have a market in the vicinity. And it is necessary to develop various activities such as experience activities and programs. Also, a place convenient for cooperation with the government office, public health center, etc. is good. Accessibility is enhanced when ICs of frequent highway and highway are close to cars. As a suggestion of placing a direct sales place, we will set up a place for consumers to collaborate and relax and also consider the convenience of providers. For the convenience of consumers' shopping, including sales outlets, we set up booths for daily necessities and industrial products, and place other agricultural cooperatives (NACF banks), local cafes and farmer restaurants in front. Consider multifunction combined service center for consumers and farmers.

• Journal of Practical Engineering Education
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• v.7 no.1
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• pp.57-66
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• 2015

While North-South cooperation (NSC) continues to play a considerably dominant role in international development cooperation efforts, there is growing criticisms across the world as to the role and effectiveness of the NSC to support the developing countries to meet their development needs. As such, South-South cooperation (SSC) has become a subject of discussion in recent years across the world in international development and has increasingly become popular as an effective aid modality. However, there is unavailability of sufficient empirical studies about the efficacy of the SSC in the context of Bangladesh. The present paper attempts to examine two KOICA's projects to facilitate HRD in ICT in Bangladesh taking into consideration of Korea as a southern country. The study revealed that Korea's bilateral development cooperation efforts have been effective so far to fulfill their objectives. The findings of the study put forward that SSC may work in the form of technical cooperation to support the developing countries, provided that technical cooperation is demand-driven, and that there is sufficient level of absorptive capacity and supportive policy as well on the part of developing partner country to utilize external skills and technology.

• Journal of Biomedical Engineering Research
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• v.35 no.6
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• pp.219-226
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• 2014

This study is to develop a basic life support (BLS) app using the android based smartphone and to evaluate the function of the app. Suggested app contains chest compression feedback function, the map of automated external defibrillator (AED), direct emergency call and the basic knowledge of BLS. Using the accelerometer of the smartphone, we implemented a real-time algorithm that estimates the chest compression depth and rate for high quality cardiopulmonary resuscitation (CPR). The accuracy of algorithm was evaluated by manikin experiment. We made contents which were easy to learn the BLS for the layperson and implemented a function that provides the AED location information based on the user's current location. From the manikin experiment, the chest compression depth and rate were no significant differences between the manikin data and the app's feedback data (p > 0.05). Developed BLS app was uploaded on Google Play Store and it was free to download. We expected that this app is useful to learn the BLS for the layperson.

• Bulletin of the Korean Space Science Society
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• 2008.10a
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• pp.37.1-37.1
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• 2008

Space Science and Technology Laboratory at Kyung Hee University developed an 80cm Nasmyth telescope with the joint work of Space & Astronomy, Inc. It was set up at Muju county public astronomical observatory in Jeonlabuk-Do. Nasmyth focus system was selected for the telescope to use two focal points by a rotatable tertiary mirror. Focal ratios of the telescope are f10, f5 respectively. Support of the main mirror is made with Lasalle-system. This system uses 24-points in the back side of the mirror that are all resting on small counter-weights and side support is 10-points Boll link Flexible type with 2 Lasalle type. The mount is wheel & disk type Alt-Azimuth design using DC-servo motors. External high accuracy encoder has 47,600 sine-waves/rot. These encoders are used to make real-time corrections on all gearing errors.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2018.05a
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• pp.197-199
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• 2018

Recently, many industrial instruments face the problem of protocol compatibility with the external monitoring and control system. This paper is prepared in the main control board to support the industrial communication protocol conversion, control, and monitoring. The industrial communication gateway module is also designed to ensure that the protocol conversion of CAN bus and Ethernet. The main board processor is used the Atmega2560, and placed 4ea RS485 serial slots for sub-board. One of them is used for communication CAN bus and Ethernet. It provides analog and digital I / O through each of the slots is used for control and monitoring.

• International Journal of Naval Architecture and Ocean Engineering
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• v.8 no.2
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• pp.177-187
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• 2016

To evaluate the tractive performance of tracked trencher on seafloor surface, a new shear stress-displacement empirical model was proposed for saturated soft-plastic soil (SSP model). To validate the SSP model, a test platform, where track segment shear test can be performed in seafloor soil simulacrum (bentonite water mixture), was built. Series shear tests were carried out. Test results indicate that the SSP model can describe the mechanical behavior of track segment with good approximation in seafloor soil simulacrum. Through analyzing the main external forces applied to seafloor tracked trencher during the uniform linear trenching process, a drawbar pull prediction model was deduced with the SSP model. A tracked walking mechanism of the seafloor tracked trencher prototype was built, and verification tests were carried out. Test results indicate that this prediction model was feasible and effective; moreover, from another side, this conclusion also proved that the SSP model was effective.

• Journal of the Korean Society of Manufacturing Process Engineers
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• v.16 no.4
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• pp.38-45
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• 2017

A finite element analysis-based approach which investigates the causes of the breakdown in the outer ring of the choke at hot rod rolling mill is presented. Two-dimensional drawings of the whole vertical-type mill stand are transformed into three-dimensional CAD models. Non-linear elasto-plastic deformation analysis of material at the roll gap is performed for computing roll force and torque of the work roll. Then, the reaction forces of the bearing rings together with a set of roller bearings that support the work roll are obtained by means of rigid body motion analysis. Finally, stress behaviors in the bearing rings together with a set of roller bearings that support the work roll are investigated by linear elastic analysis. Results reveal that stress at the contact area between the outer ring and roller bearing is extraordinary high when an internal gap between an external surface of the outer ring and the internal surface of the chock due to wear of the inside of the chock occurs.

• The KIPS Transactions:PartA
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• v.13A no.7 s.104
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• pp.589-598
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• 2006

In this paper, we describe the development and optimization of an embedded Biuetooth solution on an SoC platform for real-time audio streaming over a Bluetooth wireless link. The solution includes embedded Bluetooth protocol stack and profile simplemented on a virtual operating system for portability, and other optimization techniques to fully exploit the benefits of multimedia-oriented SoC. The optimization techniques implemented in this paper are memory access minimization by using on-chip scratch pad memory, codec library optimization with DSP and parallel memory access instruction set, and dynamic audio quality adjustment regarding current wireless link status. Experimental results show that the optimized solution presented in this paper can support high-qualify audio streaming without the support of external memory.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.8 no.2
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• pp.456-463
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• 2004

Non-intrusive methods based on active remote IR illumination for eye tracking is important for many applications of vision-based man-machine interaction. One problem that has plagued those methods is their sensitivity to lighting condition change. This tends to significantly limit their scope of application. In this paper, we present a new real-time eye detection and tacking methodology that works under variable and realistic lighting conditions. Based on combining the bright-Pupil effect resulted from IR light and the conventional appearance-based object recognition technique, our method can robustly track eyes when the pupils ale not very bright due to significant external illumination interferences. The appearance model is incorporated in both eyes detection and tacking via the use of support vector machine and the mean shift tracking. Additional improvement is achieved from modifying the image acquisition apparatus including the illuminator and the camera.

• Proceedings of the KIEE Conference
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• 2003.11c
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• pp.673-676
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• 2003

In this paper, we designed the embedded system used for wireless LAN communication. Embedded system kernel is made from general linux kernel 2.4.18 by applying the ARM patch (2.4.18-rmk7) and the SA1100 patch(2.4.18-rmk7), then porting board level suitable to target system. The SA-1110 PCMCIA interface provides controls for one PCMCIA card slot with a PSKTSEL pin for support of a second slot. The embedded system requires external logic to complete the PCMCIA socket interface. For dual-voltage support, level shifting buffers are required for all SA-1110 input signals. Hot insertion capability requires that each socket be electrically isolated from each other, and from the remainder of the memory system. embedded system is for socket services approaching PCMCIA socket, detecting number of sockets, sensing insertion and removal, and applying power. It also provides interface with Card services. Embedded system supports Host driver for lucent chips that is installed orinoco driver cross compiled. The meaning can say that is doing wireless LAN communication through wireless LAN in imbedded system.