• 벤처창업연구
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• 제18권6호
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• pp.117-132
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• 2023

최근 COVID-19 확산과 함께 온라인 쇼핑 시장의 규모가 지속적으로 증가하여 다양한 온라인 거래 플랫폼이 시장에 등장함에 따라 많은 소상공인이 플랫폼에 입점하고 있다. 이처럼 최근 소상공인의 플랫폼 활용이 크게 늘어나면서 적정 수수료에 대한 이슈가 제기됨에 따라 플랫폼 활용과 수수료에 대한 사회적 논의의 필요성이 제기된다. 현재 수수료에 대한 논의는 대부분 부정적인 측면에서 특정 사례 중심으로 이루어지고 있으며 플랫폼의 활용 가치와 수수료를 종합적으로 고려한 체계적인 논의는 부족한 실정이다. 따라서 본 연구는 플랫폼 서비스 활용 가치와 수수료 비용을 함께 고려하여 플랫폼 수수료에 대한 체계적이고 종합적인 이해를 목적으로 한다. 이를 위해 플랫폼 서비스별 경제적 가치를 추산하여 세부적으로 분석하였다. 온라인 플랫폼 사용이 활발한 배달 서비스, 이커머스 두 업계를 선정하고 판매자가 플랫폼 서비스를 이용함으로써 발생하는 기대수익 변화에 주목하였고, 판매자의 플랫폼 입점 여부, 서비스 이용 여부 등 시나리오별로 추산한 매출과 비용을 기반으로 기대수익을 비교분석하였다. 연구 결과, 플랫폼 입점과 플랫폼 서비스 활용은 매출 상승과 비용 절감을 가능하게 하며, 이는 판매자의 기대수익에 긍정적인 영향을 미치는 것으로 나타났다. 본 연구를 통해 플랫폼 수수료를 플랫폼 서비스 이용과 이에 따른 가치 획득에 대한 사용료 관점으로 이해하고 이를 기반으로 플랫폼 서비스와 수수료의 경제적 가치를 추산하여 플랫폼 서비스 활용 가치와 비용을 종합적이고 체계적인 논의로 확대하고자 한다.

• 한국해양공학회지
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• 제30권2호
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• pp.84-90
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• 2016

In this study, a six degree-of-freedom motion analysis of a wind-wave hybrid platform equipped with numerous wave energy converters (WECs) was carried out. To examine the effect of the WECs on the platform, an analysis of one-way coupling was carried out, which only considered the power take-off (PTO) damping of the static WECs on the platform. The equation of motion of a floating platform with mooring lines in the time domain was established, and the responses of the one-way coupled platform were then compared with the case of a platform without any coupling effects from the WECs. The hydrodynamic coefficients and wave exciting forces were obtained from the 3D diffraction/radiation pre-processor code WAMIT based on the boundary element method. Then, an analysis of the dynamic responses of the floating platform with or without the WEC effect in the time domain was carried out. All of the dynamics of a floating platform with multiple wind turbines were obtained by coupling FAST and CHARM3D in the time domain, which was further extended to include additional coupled dynamics for multiple turbines. The analysis showed that the PTO damping effect on platform motions was negligible, but coupled effects between multiple WECs and the platform may differentiate the heave, roll, and pitch platform motions from the one without any effects induced by WECs.

• Spatial Information Research
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• 제20권4호
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• pp.37-45
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• 2012

현재의 공간정보서비스는 스마트 사회의 도래에 따라 정보화 사회에서 축적된 공간정보의 콘텐츠 및 기술적 자산을 기반으로 스마트 사회에 걸맞은 모습으로 새롭게 전환되어야 할 필요가 있다. 본 연구는 공간정보 오픈플랫폼이 보다 경쟁력 있고 지속적인 자생력을 갖추기 위하여 공간정보 소셜플랫폼으로 전환해야 하는 필요성을 제시하였다. 공간정보 오픈플랫폼이 공간정보 소셜플랫폼으로 점진적으로 진화하기 위한 소셜화의 요구조건들을 P. Savalle가 제시한 소셜플랫폼이 갖추어야 할 주요 개념을 기준으로 검토하였다. 이를 기반으로 스마트 사회에 대응한 공간정보 서비스의 구현기반으로서 공간정보 소셜플랫폼의 개념과 플랫포머로서의 정부의 역할을 제시하였다.

• 대한임베디드공학회논문지
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• 제7권2호
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• pp.61-70
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• 2012

This paper describes terrain-adaptive attitude controller for a hybrid mobile platform which operates in wheel & track mode. The wheel mode of the hybrid mobile platform allows quick driving performance in the flatland, while the track mode provides adaptive movement in the rough ground or stairway. The switching of the platform between two modes is automatically controlled by attitude controller algorithm. In addition, in the track mode, the platform automatically adjusts its attitude angle to overcome the obstacles in front. This paper demonstrates the attitude controller for the aforementioned wheel-track hybrid mobile platform in order to overcome terrain obstacles by using an adaptive method. The driving performance of the hybrid mobile platform has been tested and verified in various surrounding environments in both wheel and track mode. Further, this paper presents the experiments by using the track structure of mobile platform on forming adaptive attitude under various types of obstacles. The practicability and effectiveness of the proposed attitude controller of the platform has been demonstrated in urban building and a test-bed.

• 한국경영과학회지
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• 제35권4호
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• pp.55-79
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• 2010

This study deals with a model for platform competition in a two-sided market. We suppose there are both direct and indirect network externalities between suppliers and users of each platform. Moreover, we suppose that both users and suppliers are distributed in their relative affinity for each platform type. That is, each user [supplier] has his/her own preferential position toward each platform, and users [suppliers] are horizontally differentiated over [0, 1]. And for analytical tractability, some parameters like direct and indirect network externalities are the same across the markets. Given the parameters and the pricing profile, users and suppliers conduct subscription game, where participants select the platform that gives them the highest payoffs. This game proceeds according to a replicator dynamics of the evolutionary game, which is simplified by properly defining gains from participant's strategy in the subscription game. We find that depending on the strength of these network effects, there might either be multiple stable equilibria, at which users and suppliers distribute across both platforms, or one unstable interior equilibrium corresponding to the market tipping in favor of either platform. In both cases, we also consider the pricing power of competing platform providers under the framework of the Stackelberg game. In particular, our study examines the possible effects of the type of competition between platform providers, which may constrain the equilibrium selection in the subscription game.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2004년도 춘계학술대회 논문집
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• pp.1510-1512
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• 2004

Platform Screen Door System is a facility on platform to separate platform from track, having automatic sliding door structures interlocked to opening and closing of train door with integrated control unit. When a train comes to a stop at a designed position at a station, onboard ATC/ATO system transmits train berth signal to wayside signaling system. In case of automatic/driverless operation, opening and closing of the Platform Screen Door will be controlled by wayside signaling system. Unfortunately, we often see the case in news that passengers fall into track and their contact with train lead to critical accidents. However, passengers will be free from such accidents on the platform with the Platform Screen Door System. Especially during the rush hours, to ensure passenger's safety and smooth getting on & off, it is necessary to arrange. some station staffs on the platform without the Platform Screen Door System. On the other hand, the Platform Screen Door System will realize such operation by fewer staffs. Due to the above reasons, the Platform Screen Door System is becoming more popular in subway system recently.

• 건축역사연구
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• 제26권2호
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• pp.67-74
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• 2017

A very unique case is found in the architectural remains related to the north and south square-platform at the lecture hall site of Hwangnyongsa, that of Anyangsa, and the estimated lecture hall site of Beopsusa as they are not observed in the other lecture halls. The platform has been discovered at only those three Buddhist temples from Goryeo, and its case has not been found in ancient Buddhist temples of China and Japan. This study thus set out to investigate the north and south square-platform at lecture hall sites by examining in details its architectural remains at the three Buddhist temples and reviewing the Buddhist literature about the lecture halls of ancient Buddhist temples. Based on the findings, it was estimated that the architectural remains of north and south square-platform at the lecture hall sites of Buddhist temples were those of platform for Buddhist sermons or those of high chair platform. While the north square-platform involved the remains of north high chair for the Lecturer that gave lectures on the Buddhist scriptures, the south one did those of south high chair for the Reader who recited the Buddhist scriptures.

• 한국BIM학회 논문집
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• 제9권4호
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• pp.62-74
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• 2019

Because the existing BIM platform is based on user services, the focus is on the development of SaaS (Software as a Service), which provides business services online. However, since a harbor is a security facility, the harbor BIM platform is preferably provided in a private form, rather than relying on the infrastructure environment provided by external cloud providers. Therefore, this study analyzes and reviews the main functions to be provided as SaaS services of the harbor BIM platform. The goal is to build a cloud-based harbor BIM platform that can provide this service to users. To this end, we built IaaS (Infrastructure as a Service) environment of the harbor BIM platform based on the open source Open Stack and integrate and develop PaaS environment with Open Shift applied with IaaS. We applied the GPU to the harbor BIM platform to verify the performance of the harbor BIM platform, and found that the rendering and loading times are improved. In particular, it is expected to reduce the cost of introduction and provide it as the basic cloud environment of similar BIM platform for infrastructure facilities.

• Journal of Platform Technology
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• 제10권3호
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• pp.11-20
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• 2022

South Korea is now recognized as a world leader in the field of digital government thanks to a president who had insight in the field of e-Government more than 20 years ago. Today, many countries around the world are establishing various strategies to cope with the great digital transformation beyond the industrial society and the information society. The Korean government is also establishing and promoting digital government policies to respond to such a global digital transformation. In South Korea, the digital platform government policy began in 2022. Therefore, it is an early stage of policy formation, and many details are not well known yet. Recently, the Korean government announced the vision, three goals, and five strategies for realizing a digital platform government. And specific digital platform government projects that can be implemented are selected. In order to successfully implement a digital platform government, the following three policies should be prioritized. First, the digital platform government should be approached from the perspective of total government innovation, not industry revival. Second, the political perspective should be excluded from ICT policy. Third, the vision and strategy of the digital platform government should be established and clearly presented to the public. And based on this, strong governance should be formed and strongly promoted centered on the leadership of the president.

• 유통과학연구
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• 제20권10호
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• pp.105-117
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• 2022

Purpose: The digital healthcare business is rapidly growing due to the COVID-19 pandemic, and the medical service platform business based on smartphone apps is globally expanding. This study targeted medical information online to offline (O2O) platform users in the medical service field. It verified the effect relationship revealed in the continuous use intention of the platform with the mediation of platform quality components, namely perceived benefits, flow experience, and use satisfaction. Research design, data and methodology: Based on previous studies, three medical information O2O platform quality components, namely system quality, information quality, and service quality, were defined. And the questionnaire survey was carried out targeting 359 leading medical information O2O platform users in Korea. Results: As a result of the analysis, it was confirmed that system quality and service quality had a positive (+) effect on satisfaction and continuous use intention with the mediation of perceived benefits and flow experience. Meanwhile, information quality had a negative effect (-) on perceived benefits and flow experience and did not affect use satisfaction and continuous use intention. Conclusions: Consequently, it was ascertained that the system quality and service quality affecting user behavior and experience were more significant factors than information quality to medical information O2O platform users from the medical service aspect.