This study aims to develop a comprehensive predictive model for Digital Quality Management (DQM) and to analyze the impact of various quality activities on different levels of DQM. By employing the Classification And Regression Tree (CART) methodology, we are able to present predictive scenarios that elucidate how varying quantitative levels of quality activities influence the five major categories of DQM. The findings reveal that the operation level of quality circles and the promotion level of suggestion systems are pivotal in enhancing DQM levels. Furthermore, the study emphasizes that an effective reward system is crucial to maximizing the effectiveness of these quality activities. Through a quantitative approach, this study demonstrates that for ventures and small-medium enterprises, expanding suggestion systems and implementing robust reward mechanisms can significantly improve DQM levels, particularly when the operation of quality circles is challenging. The research provides valuable insights, indicating that even in the absence of fully operational quality circles, other mechanisms can still drive substantial improvements in DQM. These results are particularly relevant in the context of digital transformation, offering practical guidelines for enterprises to establish and refine their quality management strategies. By focusing on suggestion systems and rewards, businesses can effectively navigate the complexities of digital transformation and achieve higher levels of quality management.

본 연구는 아프리카 전자상거래 법률 및 규정이 중국-아프리카 디지털 무역에 끼치는 영향을 탐색한다. 이를 위해, 구조방정식 모델링을 이용해 중국-아프리카 ICT 상품 무역액, 아프리카 전자상거래 발전 지수, 그리 고 전자상거래 법률 및 규정간의 상호 영향을 분석하였다. 결과적으로, 아프리카 전자상거래 법률 및 규정이 아프리카 전자상거래 발전과 중국- 아프리카 디지털 무역에 모두 긍정적으로 작용함을 확인하였다. 하지만 과도한 세금은 이러한 발전을 제한하는 요소로 작용하였다. 이 연구는 방법론적 혁신을 포함하며, 아프리카 전자상거래 법률 및 규정의 개선과 디지털 무역의 발전을 촉진하는 실증적 근거를 제시하였다. 다만, 데이터 와 이론적 한계로 인한 제약점이 존재하며, 향후 연구는 이를 극복하기 위한 방안을 제시하였다. 이 연구는 이론적 가치와 실질적 시사점을 제 공한다.

Hallyu, as a cultural phenomenon affects not only openness for Korean culture, but also influence buying behaviour of fans. Hungarian society is also affected by K-pop and K-drama, therefore significance of K-pop related characteristics of digital space (such as fear of missing out, peer pressure and fandoms) were examined in this study. Authors developed a model how these elements are connected to purchase intension of Hungarian fans.

The focus of this paper was on the establishment of a service design model for digital fabrication. Service design processes and tools were used to identify problems of current digital fabrication systems. Augmented reality was deployed to substantiate two-dimensional information by combining it with digital fabrication equipment to enhance interactivity and engagement. The fuzzy Delphi method was used to consult the expert’s opinions to optimize the model for increasing overall system satisfaction. A two-dimensional quality questionnaire was designed to survey the participant’s opinions on the system’s satisfaction. The result indicated that the participants reacted positively to augmented reality and the service design model. The result of this paper was helpful for the exchange and diffusion of digital knowledge to strengthen people’s interaction with information. It can improve the efficiency of entire value chains, including product development, marketing and service, which is crucial to future innovative design and fabrication practice.

We propose a sales prediction model based on the number of new members, online advertising, and consumer reviews for a short period. Considering purchase behaviors of new and existing members, we predict reliable sales amounts, which can be monthly updated. Our study provides digital marketers with a feasible prediction approach.

A lot of sensor and control signals is generated by an industrial controller and related internet-of-things in discrete manufacturing system. The acquired signals are such records indicating whether several process operations have been correctly conducted or not in the system, therefore they are usually composed of binary numbers. For example, once a certain sensor turns on, the corresponding value is changed from 0 to 1, and it means the process is finished the previous operation and ready to conduct next operation. If an actuator starts to move, the corresponding value is changed from 0 to 1 and it indicates the corresponding operation is been conducting. Because traditional fault detection approaches are generally conducted with analog sensor signals and the signals show stationary during normal operation states, it is not simple to identify whether the manufacturing process works properly via conventional fault detection methods. However, digital control signals collected from a programmable logic controller continuously vary during normal process operation in order to show inherent sequence information which indicates the conducting operation tasks. Therefore, in this research, it is proposed to a recurrent neural network-based fault detection approach for considering sequential patterns in normal states of the manufacturing process. Using the constructed long short-term memory based fault detection, it is possible to predict the next control signals and detect faulty states by compared the predicted and real control signals in real-time. We validated and verified the proposed fault detection methods using digital control signals which are collected from a laser marking process, and the method provide good detection performance only using binary values.

기상청 일사관측소 관측환경 분석을 위하여 수치표고모델(DEM)과 태양복사모델을 이용하여 주변지형에 의한 차폐와 하늘시계요소(SVF) 및 일사량을 산출하였다. 지형고도자료(10 m 해상도)를 통해 관측소를 중심으로 주변 25 km내의 지형들을 이용하여 스카이라인과 SVF를 계산하였다. 또한, 일사관측소별 산출된 천기도와 스카이라인을 중첩하여 지형에 의한 차폐를 분석하였다. 특히 인천 관측소는 주변지형의 차폐가 적었고 청송군과 추풍령 관측소는 주변 지형에 의한 차폐가 큰 관측소로 나타났다. 태양복사모델을 이용하여 동일 조건에서 지형 특성에 따른 일사량을 산출하여 지형에 의한 기여도를 분석하였다. 연누적 일사량 계산결과, 청송군 관측소의 경우 수평면 일사량과 비교하였을 때 직달일사량은 12.0% 이상 차폐되었고 산란일사량은 5.6% 그리고 전천일사량은 4.7% 감소하였다. 평균 일누적 일사량을 기준으로 편차를 분석하였을 때 0.3% 이상 전천일사량이 감소되는 지점은 6개 관측소였다. 42개 관측소 중 8소는 관측소의 이전 또는 관측장비의 이동설치가 시급한 것으로 분석되었고 1/2 이상(24소)의 관측소는 일사관측환경에 대한 검토가 필요한 것으로 분석되었다. DEM자료는 관측소 주변의 인공구조물과 식생 등이 포함되지 않기 때문에 더 상세한 관측환경분석이 요구된다.

Digital signage in a smart store would engage and invoke responses from consumers because good in-store experiences are more important than ever. Thus, the present study investigates consumer perceptions of interactive digital signage integrating technology acceptance model. Specifically, the current study examined 1) the effects of personal and fashion innovativeness on interactivity; 2) the effect of interactivity on perceived usefulness, ease of use, and enjoyment; and 3) the effects of perceived usefulness, ease of use, and enjoyment on intentions to use the products and the store, visit the store, and engage in word-of-mouth. As a pre-study, two researchers visited the smart stores of six brands in Seoul, all of which integrate various technologies in the fashion field. A video clip was developed as a stimulus to the study. A total of 214 responses were gathered and analyzed. The results were as follows. Personal innovativeness has a significantly positive effect on interactivity, whereas fashion innovativeness has no significant effect. Interactivity had positive effects on the perceived usefulness, ease of use, and enjoyment. Consumer responses (i.e., intentions to use, visit, and engage in word-of-mouth) were predicted by usefulness and enjoyment, but not by ease of use. The findings of this study could provide the fashion industry and retailers practical and valuable insights into enhancing consumers’ in-store experiences through the use of interactive digital signage.

개인이 인터넷을 통해 정보 전달의 주체가 되어 자유로운 정보 공유를 하게 됨에 따라 자신이 만든 창작물에 대해 어떤 형태로든 저작권을 관리해야 하는 상황이 늘어나고 있다. 디지털 네트워크 기반을 바탕으로 콘텐츠 저작물 관련 비즈니스의 발전이 두드러짐에 따라 디지털 환경에서 저작권 관리는 점차 복잡화·다양화되고 있다. 본 연구에서는 일본의 디지털 저작권 관리 모델의 분석을 통하여 한국의 디지털 저작권 관계자에게 주는 시사점을 도출하고자 한다. 이를 위하여 현재까지 연구되어온 저작권 관리 모델을 대리관리형과 자율관리형으로 나누어 일본의 시각에서 정리해본다. 이어서 구체적인 관리 사례로서 일본의 자율관리형 저작권관리 모델의 효시로 각광을 받고 있는 카피마트(참여자，시스템 구조, 비즈니스 모델，영상카피마트 사례 등)에 대해 심층 분석을 실시하였다.

In order to find out the customer requirements and to develop new products more effectively, the Kano model and QFD(Quality Function Deployment), AHP(Analytic Hierarchy Process) developed and applied. But, Many companies difficult to select the CTQ(Critical to Quality) of new product. Especially the life cycle of Digital Camera is very short. In this thesis, the Kano model and AHP(Analytic Hierarchy Process) for finding the CTQ(Critical to Quality) for customer satisfaction are suggested. It is explained and discussed with the example of Digital Camera.

본 연구는 3차원 지형 자료인 수치고도모델(DEM : Digital Elevation Model)을 이용하여 비행시뮬레이션을 위한 현실과 가까운 3차원 지형을 모델링 하는 것을 목표로 한다. DEM 데이터를 활용해 정규격자(Regular Grid)로 구성된 지형 모델을 만든 후, 고로우 쉐이딩(Gouraud Shading)을 통해 높이에 따른 색상의 차이를 표현한다. 이후 위성에서 찍은 사진을 맵핑하여 현실감을 높인 3차원 지형을 생성할 수 있다. 3차원지형 표현방법은 게임공간에서 지형표현이나 비행시뮬레이션과 같은 여러 분야에서 활용할 수 있다.

A three-dimensional digital image processing technique is proposed to quantitatively predict the dispersion phenomena of oil droplet onto the surface of the water. This technique is able to get the dispersion rate of an oil droplet three-dimensionally just below the surface of the water over time. The obtained dispersion rate obtained through this technique is informative to the investigation into the relationship among the gravity, surface tensions between oil, water, and air. This technique is based upon the three-dimensional PIV(Particle Imaging Velocimetry) technique and its system mainly consists of a three CCD(Charge Coupled Device) cameras, an image grabber, and a host computer in which an image processing algorithm is adopted for the acquisition of dispersion rate oil an oil droplet.

오대산 국립공원지역의 지형을 파악하기 위하여 1:50.000 지형도를 입력하여 100×100m 격자의 수치고도모델을 구축하였다. 오대산 국립공원 전체의 55%가 900m 이상인 고지로 되어 있고. 비로봉 자연보전지역은 90%가, l,100m 이상인 고산지역이다. 경사 20˚이상인 지역이 70% 정도로 험준한 산악지역이며, 경사향은 주로 동향과 서향으로 나타나고 있다.

Modal Analysis is the process of characterizing the dynamic properties of an elastic structure by identifying its modes of vibration. A mode of vibration is a global property of an elastic structure. That is, a mode has a specific natural frequency and damping factor which can be identified from response data at practically any point on a structure, and it has a characteristic mode shape which identifies the mode spatially over the entire structure. Modal testing is able to be performed on structural and mechanical structure in an effort to learn more about their elastic behavior. Once the dynamic properties of a structure are known its behavior can be predicted and therefore controlled or corrected. Resonant frequencies, damping factors and mode shape data can be used directly by a mechanical designer to pin point weak spots in a structure design, or this data can also be used to confirm or synthesize equations of motion for the elastic structure. These differential equations can be used to simulate structural response to know input forces and to examine the effects of pertubations in the distributed mass, stiffness and damping properties of the structure in more detail. In this paper the measurement of transfer functions in digital form, and the application of digital parameter identification techniques to identify modal parameters from the measured transfer function data are discussed. It is first shown that the transfer matrix, which is a complete dynamic model of an elastic plate structure can be written in terms of the structural modes of vibration. This special mathematical form allows one to identify the complete dynamics of the structure from a much reduced set of test data, and is the essence of the modal approach to identifying the dynamics of a structure. Finally, the application of transfer function models and identification techniques for obtaining modal parameters from the transfer function data are discussed. Characteristics on vibration response of elastic plate structure obtained from the dynamic analysis by Finite Element Method are compared with results of modal analysis.

The current domestic gaming market is flourishing, with a multitude of games centered around or incorporating elements of traditional culture. Notably, exceptional cases such as “Black Myth: Wukong” have even succeeded in exporting culture overseas. However, beneath this prosperity lie certain challenges. Most games that revolve around traditional culture suffer from certain gaps and lack subsequent work. Only a few manage to evolve into series. This paper primarily explores the feasibility and advantages of the IP economic model in propagating traditional culture through digital games, aiming to uncover novel strategies for disseminating traditional culture in the digital gaming realm.

실제 구조의 현재 상태를 모니터링하고 평가하기 위해 디지털트윈 기술이 적극적으로 연구되고 있다. 디지털트윈은 현장에서 수행되는 기존의 유지 관리 방법을 가상 온라인 모델을 사용하여 실시간으로 관찰하고 탐지할 수 있는 시스템으로 w 전환할 수 있다. 따라서 본 연구는 교량에 대한 디지털트윈 기술 구축을 위한 선행 연구로써 보 구조물에 대하여 디지털트윈 모델을 설계하고 검증하였다.