• Title/Summary/Keyword: Platform Delivery Service

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A Study on the Development of Energy IoT Platform (에너지 IoT 플랫폼 개발에 관한 연구)

  • Park, Myung Hye;Kim, Young Hyun;Lee, Seung Bae
    • KIPS Transactions on Computer and Communication Systems
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    • v.5 no.10
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    • pp.311-318
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    • 2016
  • IoT(Internet of Things areas) rich information based on the user easy access to service creation must be one of the power system of specificity due following: The IoT spread obstacle to the act be, and 'Smart Grid information of this is not easy under power plants approach the Directive on the protection measures, particularly when stringent security policies IoT technologies applied to Advanced Metering Infrastructure sector has been desired. This is a situation that occurs is limited to the application and use of IoT technologies in the power system. Power Information Network is whilst closed network operating is has a smart grid infrastructure, smart grid in an open two-way communication for review and although information security vulnerabilities increased risk of accidents increases as according to comprehensive security policies and technologies are required and can. In this paper, the IoT platform architecture design of information systems as part of the power of research and development IoT-based energy information platform aims. And to establish a standard framework for a connection to one 'Sensor-Gateway-Network-platform sensors Service' to provide power based on the IoT services and solutions. Framework is divided into "sensor-gateway" platform to link information modeling and gateways that can accommodate the interlocking standards and handling protocols variety of sensors Based on this real-time data collection, analysis and delivery platform that performs the role of the relevant and to secure technology.

The Effects of Perceived Risk and Review Diagnosticity on the Acceptance of Food Delivery Application (지각된 위험 및 리뷰 진단성이 배달앱 수용에 미치는 영향)

  • Roh, Minjung
    • The Journal of the Korea Contents Association
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    • v.19 no.10
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    • pp.581-592
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    • 2019
  • This study investigates the factors that stimulate or suppress the use of food delivery applications. As potential antecedent factors, the present research examined the review diagnosticity, descriptive norms, and multidimensional risk perception. Based on this, users' data were collected from major metropolitan cities where the food delivery application business is most active. The results of structural equation modeling confirmed that users' approach to food delivery apps becomes more favorable when the review diagnosticity and descriptive norms were improved and when the perceived multidimensional risk expected to be associated with app use is mitigated. Additionally, we found that the positive influence of these attitudes on the actual intention to accept delivery applications became weaker at higher levels of perceived risk. These empirical results may contribute to the formation of strategic and systematic guidelines for promoting the expansion of the recently emerging O2O service platform across diverse sectors. Namely, the significance of this study lies in that it has raised awareness regarding the strategic considerations that such new O2O service providers should take into account for their market positions, in addition to discovering factors that could aid the prompt expansion of the applications' user base.

Exploring the Feasibility of Differentiating IEEE 802.15.4 Networks to Support Health-Care Systems

  • Shin, Youn-Soon;Lee, Kang-Woo;Ahn, Jong-Suk
    • Journal of Communications and Networks
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    • v.13 no.2
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    • pp.132-141
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    • 2011
  • IEEE 802.15.4 networks are a feasible platform candidate for connecting all health-care-related equipment dispersed across a hospital room to collect critical time-sensitive data about patient health state, such as the heart rate and blood pressure. To meet the quality of service requirements of health-care systems, this paper proposes a multi-priority queue system that differentiates between various types of frames. The effect of the proposed system on the average delay and throughput is explored herein. By employing different contention window parameters, as in IEEE 802.11e, this multi-queue system prioritizes frames on the basis of priority classes. Performance under both saturated and unsaturated traffic conditions was evaluated using a novel analytical model that comprehensively integrates two legacy models for 802.15.4 and 802.11e. To improve the accuracy, our model also accommodates the transmission retries and deferment algorithms that significantly affect the performance of IEEE 802.15.4. The multi-queue scheme is predicted to separate the average delay and throughput of two different classes by up to 48.4% and 46%, respectively, without wasting bandwidth. These outcomes imply that the multi-queue system should be employed in health-care systems for prompt allocation of synchronous channels and faster delivery of urgent information. The simulation results validate these model's predictions with a maximum deviation of 7.6%.

Study on Performance Prediction of Electric Propulsion System for Multirotor UAVs (멀티로터 무인항공기의 전기추진계통 성능예측에 대한 연구)

  • Jeong, Jinseok;Byun, Youngseop;Song, Woojin;Kang, Beomsoo
    • Journal of the Korean Society for Precision Engineering
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    • v.33 no.6
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    • pp.499-508
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    • 2016
  • This paper describes a study of performance prediction of an electric propulsion system for multirotor UAVs. The electric propulsion system consists of motors, propellers, batteries and speed controllers, and significantly affects performance characteristics of the platform. The performance of the electric propulsion system for multirotor UAVs was predicted using an analytical model derived from the characteristics of each component, operation experiments and statistical analyses. Ground performance tests and endurance flights were performed to verify the reliability of the proposed performance prediction method. A quadrotor platform was designed to demonstrate the parcel delivery service used in the endurance flight. From the result of verification tests, it was confirmed that the proposed method has a good agreement.

A Transmission Service Method for Processing Visual Recognition of Sender Information (발신자 정보에 대한 시각적 인식 처리를 위한 전송 서비스 기법)

  • 김기현
    • Journal of KIISE:Computing Practices and Letters
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    • v.10 no.4
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    • pp.328-336
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    • 2004
  • Recently a mobile service is changing into a system environment that offers the customer various contents service. Representative example of service is a Calling Identity Del ivory Service(CID). Such service has the problem in the case which the receiver cannot remember the phone number of the sender; it has a difficult problem that cannot easily confirm whose the phone number it is. Therefore, it is desirable to design and implement visual services that can enhance the recognition of users. In this paper, we propose the architecture that is similar to a Calling Identity Delivery Service. We propose the architecture for communication service and system that is able to visually display the information of the sender using 2D image data in mobile environment. After that we set the image information to represent the user and this method is able to visually display the information of the sender by transmitting an image data through channels from switch station or base station using the server. When the receiver receives a phone call from the sender, this method provides an efficient service by transmitting visual data with bell sound. That is, the image information of sender is appeared on liquid crystal display(LCD) of the receiver at the same time. We investigate the concepts for processing real-time transmission of image data and describe an example of the implementation result that is based on system. This technology has a potential influence on the marketing and presents an efficiency of this method.

A Case Study on Exploring Service Examples of Domestic and International Art Content Platform (국내외 아트 콘텐츠 플랫폼의 서비스 사례 고찰)

  • Jun Hee Park;Seung In Kim
    • Industry Promotion Research
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    • v.9 no.3
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    • pp.147-154
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    • 2024
  • Since the COVID-19 pandemic, art content platforms have evolved into content venues for the holistic experience of art, which is distinct from offline experiences, and possesses unique characteristics that are no longer just auxiliary means of information delivery. The purpose of this study is to explore the direction of platform development for art content in order to revitalize art experiences in the era of the Fourth Industrial Revolution by analyzing functional utility cases of art content platform services both domestically and abroad. To achieve this, factors for analyzing the functional utility of art content platforms were extracted through literature research. Then, the functions and services of domestic and foreign art content platforms were categorized into three groups, and based on the analysis factors of 'interaction', 'reliability', 'convenience', and 'diversity' extracted from the literature, the development direction of art content platforms was examined through a service and function analysis. The significance of this study is that it analyzed the overall user experience online and the development direction of art content platforms through functional utility analysis. Through this, it aims to provide implications by analyzing the various utilization possibilities of art content platforms and the perspective of users who experience art in the media environment.

SaaS based Contents mangement system Development Support and Service Delivery Platform (SaaS 기반의 콘텐츠 관리 시스템 개발 지원과 서비스 제공 플랫폼)

  • Paik, Kyoung-Seok;Park, Jeom-Bae;Oh, Jae-Chel
    • Proceedings of the Korea Contents Association Conference
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    • 2015.05a
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    • pp.295-296
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    • 2015
  • 콘텐츠 관리 시스템을 SaaS로 제공 할 수 있는 플랫폼을 개발 하였다. 서비스 제공자는 본 플랫폼에서 제공하는 API와 기본 기능을 활용하여 다양한 콘텐츠 관리 시스템을 직접 개발 할 수 있으며, 개발 완료 후에 해당 시스템을 일반 사용자에게 SaaS 형태로 본 플랫폼을 통해 서비스 할 수 있다. 이를 통해 다양한 요구사항과 저렴한 비용으로 콘텐츠 관리 시스템을 사용하고자 하는 중소 규모의 기업 또는 단체를 대상으로 콘텐츠 관리 시스템 구축 및 서비스 제공 비즈니스를 실현 할 수 있다.

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Study on the MQTT protocol design for the application of the real-time HVAC System

  • Jung, Hun
    • International Journal of Internet, Broadcasting and Communication
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    • v.8 no.1
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    • pp.19-26
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    • 2016
  • In this paper, the existing domestic HVAC systems, devices TCP / IP does not support the most, thereby, not performed remote management, it is necessary to regularly field service, inefficiency and cost bring a burden. This is through a comparison of the IoT-based primary, real-time protocol of what has become a hot topic recently, to be able to control and real-time monitoring through the CCU device in the HVAC system. Compare for this Internet of Things device for real-time monitoring and control of the XMPP, CoAP, MQTT main real-time protocol is used on. Finally, flexibility, light weight, based on MQTT a two-way messaging protocols with reliable message delivery, implements the protocol on the real-time HVAC system in the cloud platform.

Development of Home Server and Mobile Platform for Real-time Multimedia Delivery Service in Home Network (홈-네트워크에서의 실시간 멀티미디어 전송 서비스를 위한 홈서버 및 모바일 플랫폼 개발)

  • Yang, Chang-Mo;Lee, Seok-Pil
    • Proceedings of the Korean Society of Broadcast Engineers Conference
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    • 2010.07a
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    • pp.372-375
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    • 2010
  • 본 논문에서는 홈-네트워크를 이용하여 댁네에서 실시간 멀티미디어 전송 서비스를 수행하기 위한 홈서버 및 모바일 플랫폼을 제안한다. 본 논문에서 제안한 홈서버는 기존의 기술들과는 달리 사용자 선호도 정보를 기반으로 멀티미디어 콘텐츠를 지능적으로 추천하는 기능과 함께 네트워크 상태 및 사용자 기기 정보를 고려한 전송 서비스를 제공한다. 또한 본 논문에서 제안한 모바일 플랫폼 하드웨어에는 고속의 중앙처리장치와 메모리 컨트롤러 및 별도의 그래픽 가속기를 탑재하였으며, 모바일 플랫폼의 멀티미디어 재생기는 확장성을 가지는 구조와 플랫폼 독립성을 지향하도록 설계 및 개발되었다.

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Preparatory Research prior to the Development of Consumer-Tailored 3D Printing Service Platform (소비자 맞춤형 삼차원 프린팅 서비스 플랫폼 개발을 위한 탐색)

  • Lee, Guk-Hee;Choi, Hye-Kyong
    • Science of Emotion and Sensibility
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    • v.20 no.1
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    • pp.3-16
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    • 2017
  • With the development and proliferation of three-dimensional(3D) printers, consumers in modern society can now print products of what they want three-dimensionally at home. However, consumers themselves would have to produce digital design maps that are compatible with 3D printers and to set up the optimum printing quality and temperature, as well as to pay for maintenance and repair of 3D printers and to respond to any possible lawsuits related to intellectual property right about designs in order to make possible consumer-tailored manufacturing through 3D printing. However, in reality, since it is very difficult for consumers to respond to these issues, it is necessary to develop services that perform 3D printing on behalf of consumers in the desired direction. Motivated by this objective, this study investigated user experiences on Shapeways(www.shapeways.com), which is a global online 3D printing product and sales companies, from many viewpoints in order to obtain insight into 3D printing services and modes which were preferred by consumers. The study result showed that quantitative evaluations on usability, search process, price adequacy, re-visit intention, diversity of design, and satisfaction of design was scored low overall. Furthermore, this study acquired insight about consumer-tailored 3D printing services through constructive suggestions on multi-language support, openness of manufacturing process, simultaneous operation of online and offline sites, design-oriented consumer-tailored manufacturing service, services that ensure delivery safety and product durability, and surface finishing services. This study is expected to provide a wide range of opinions not only on 3D printing service platform development but also on related industry and research.